kiss/kiss

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#!/bin/sh
# shellcheck source=/dev/null
#
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# This is a simple package manager written in POSIX 'sh' for use
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# in KISS Linux (https://k1ss.org).
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#
# [1] Warnings related to word splitting and globbing are disabled.
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# All word splitting in this script is *safe* and intentional.
#
# [2] Information is grabbed from 'ls -ld' output.
#
# This is fine _despite_ the usual gaggle about 'ls' and its
# use in scripting. The POSIX specification states that the
# link target must be the exact contents of the link.
#
# The specification:
#
# > If the file is a symbolic link and the -L option is not
# specified, this information shall be about the link
# itself and the <pathname> field shall be of the form:
#
# > "%s -> %s", <pathname of link>, <contents of link>
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#
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# Created by Dylan Araps.
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log() {
# Print a message prettily.
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#
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# All messages are printed to stderr to allow the user to hide build
# output which is the only thing printed to stdout.
#
# The l<word> variables contain escape sequence which are defined
# when '$KISS_COLOR' is equal to '1'.
printf '%b%s %b%s%b %s\n' \
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"$lcol" "${3:-->}" "${lclr}${2:+$lcol2}" "$1" "$lclr" "$2" >&2
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}
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war() {
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log "$1" "$2" "${3:-WARNING}"
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}
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die() {
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log "$1" "$2" "${3:-ERROR}"
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exit 1
}
contains() {
# Check if a "string list" contains a word.
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case " $1 " in *" $2 "*) return 0; esac; return 1
}
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prompt() {
# Ask the user for some input.
[ "$1" ] && log "$1"
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log "Continue?: Press Enter to continue or Ctrl+C to abort here"
# POSIX 'read' has none of the "nice" options like '-n', '-p'
# etc etc. This is the most basic usage of 'read'.
# '_' is used as 'dash' errors when no variable is given to 'read'.
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[ "$KISS_NOPROMPT" = 1 ] || read -r _
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}
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as_root() {
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# Simple function to run a command as root using either 'sudo',
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# 'doas' or 'su'. Hurrah for choice.
[ "$uid" = 0 ] || log "Using '${su:-su}' (to become ${user:=root})"
case ${su##*/} in
sudo) sudo -u "$user" -- env "$@" ;;
doas) doas -u "$user" -- env "$@" ;;
su) su -c "env $* <&3" "$user" 3<&0 </dev/tty ;;
*) die "Invalid KISS_SU value: $su (valid: doas, sudo, su)"
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esac
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}
file_owner() {
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# Grab the owner of the file/directory via 'ls -ld'
# See: [1] and [2] at top of script.
# shellcheck disable=2046
set -- $(ls -ld "$1"); user=${3:-root}
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# If the owner's user ID doesn't exist, fallback to using 'root'.
# This prevents the code from changing the permissions to something
# wonky.
id -u "$user" >/dev/null 2>&1 || user=root
}
run_hook() {
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# Provide a default post-build hook to remove files and directories
# for things we don't support out of the box. One can simply define
# their own hook to override this behavior.
[ "${KISS_HOOK:-}" ] || {
case $1 in post-build)
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rm -rf "$3/usr/share/gettext" "$3/usr/share/polkit-1" \
"$3/usr/share/locale" "$3/usr/share/info"
esac
return 0
}
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log "$2" "Running $1 hook"
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TYPE=$1 PKG=$2 DEST=$3 . "$KISS_HOOK"
}
decompress() {
case $1 in
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*.bz2) bzip2 -d ;;
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*.lzma) lzma -dc ;;
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*.lz) lzip -dc ;;
*.tar) cat ;;
*.tgz|*.gz) gzip -d ;;
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*.xz|*.txz) xz -dcT 0 ;;
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*.zst) zstd -dc ;;
esac < "$1"
}
sh256() {
# There's no standard utility to generate sha256 checksums.
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# This is a simple wrapper around sha256sum, sha256, shasum,
# openssl, digest, ... which will use whatever is available.
#
# All utilities must match 'sha256sum' output.
#
# Example: '<checksum> <file>'
[ -e "$1" ] || return 0
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hash=$(sha256sum "$1" ||
sha256 -r "$1" ||
openssl dgst -sha256 -r "$1" ||
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shasum -a 256 "$1" ||
digest -a sha256 "$1") 2>/dev/null
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printf '%s %s\n' "${hash%% *}" "$1"
}
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pkg_lint() {
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log "$1" "Checking repository files"
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cd "$(pkg_find "$1")"
read -r _ release 2>/dev/null < version || die "Version file not found"
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[ "$release" ] || die "$1" "Release field not found in version file"
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[ -x build ] || die "$1" "Build file not found or not executable"
[ -f sources ] || war "$1" "Sources file not found"
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[ ! -f sources ] || [ "$2" ] || [ -f checksums ] ||
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die "$1" "Checksums are missing"
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}
pkg_find() {
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# Figure out which repository a package belongs to by searching for
# directories matching the package name in $KISS_PATH/*.
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query=$1 all=$2 what=$3 IFS=:; set --
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# Both counts of word-splitting are intentional here. Firstly to split
# the repositories and secondly to allow for the query to be a glob.
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# shellcheck disable=2086
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for path in $KISS_PATH "${what:-$sys_db}"; do
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set +f
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for path2 in "$path/"$query; do
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test "${what:--d}" "$path2" && set -f -- "$@" "$path2"
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done
done
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unset IFS
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# A package may also not be found due to a repository not being readable
# by the current user. Either way, we need to die here.
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[ "$1" ] || die "Package '$query' not in any repository"
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# Show all search results if called from 'kiss search', else print only
# the first match.
[ "$all" ] && printf '%s\n' "$@" || printf '%s\n' "$1"
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}
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pkg_list() {
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# List installed packages. As the format is files and directories, this
# just involves a simple for loop and file read.
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cd "$sys_db" 2>/dev/null
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# Optional arguments can be passed to check for specific packages. If no
# arguments are passed, list all.
[ "$1" ] || { set +f; set -f -- *; }
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# Loop over each package and print its name and version.
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for pkg do
[ -d "$pkg" ] || { log "$pkg" "not installed"; return 1; }
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read -r version 2>/dev/null < "$pkg/version" || version=null
printf '%s\n' "$pkg $version"
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done
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}
pkg_cache() {
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# Find the tarball of a package using a glob. Use the first found match
# of '<pkg_name>#<pkg_version><pkg_release>.tar.*'.
read -r version release 2>/dev/null < "$(pkg_find "$1")/version"
set +f; set -f -- "$bin_dir/$1#$version-$release.tar."*
tar_file=$1
[ -f "$tar_file" ]
}
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pkg_sources() {
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# Download any remote package sources. The existence of local files is
# also checked.
repo_dir=$(pkg_find "$1")
# Support packages without sources. Simply do nothing.
[ -f "$repo_dir/sources" ] || return 0
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log "$1" "Downloading sources"
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# Store each downloaded source in a directory named after the package it
# belongs to. This avoid conflicts between two packages having a source
# of the same name.
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mkdir -p "$src_dir/$1" && cd "$src_dir/$1"
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while read -r src dest || [ "$src" ]; do
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# Comment.
if [ -z "${src##\#*}" ]; then :
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# Remote source (cached).
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elif [ -f "${src##*/}" ]; then
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log "$1" "Found cached source '${src##*/}'"
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# Remote git repository.
elif [ -z "${src##git+*}" ]; then
# This is a checksums check, skip it.
[ "$2" ] && continue
mkdir -p "$mak_dir/$1/$dest"
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# Run in a subshell to keep the variables, path and
# argument list local to each loop iteration.
(
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url=${src##git+}
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log "$1" "Cloning ${url%[@#]*}"
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# Git has no option to clone a repository to a
# specific location so we must do it ourselves
# beforehand.
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cd "$mak_dir/$1/$dest" 2>/dev/null || die
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# Clear the argument list as we'll be overwriting
# it below based on what kind of checkout we're
# dealing with.
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set -- "$url"
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# If a branch was given, shallow clone it directly.
# This speeds things up as we don't have to grab
# a lot of unneeded commits.
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[ "${src##*@*}" ] || set -- -b "${src##*@}" "${url%@*}"
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# Maintain compatibility with older versions of
# kiss by shallow cloning all branches. This has
# the added benefit of allowing checkouts of
# specific commits in specific branches.
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[ "${src##*#*}" ] || set -- --no-single-branch "${url%#*}"
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# Always do a shallow clone as we will unshallow it if
# needed later (when a commit is desired).
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git clone --depth=1 "$@" .
) || die "$1" "Failed to clone $src"
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# Remote source.
elif [ -z "${src##*://*}" ]; then
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log "$1" "Downloading $src"
curl "$src" -fLo "${src##*/}" || {
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rm -f "${src##*/}"
die "$1" "Failed to download $src"
}
# Local source.
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elif [ -f "$repo_dir/$src" ]; then
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log "$1" "Found local file '$src'"
else
die "$1" "No local file '$src'"
fi
done < "$repo_dir/sources"
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}
pkg_extract() {
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# Extract all source archives to the build directory and copy over any
# local repository files.
repo_dir=$(pkg_find "$1")
# Support packages without sources. Simply do nothing.
[ -f "$repo_dir/sources" ] || return 0
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log "$1" "Extracting sources"
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while read -r src dest || [ "$src" ]; do
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mkdir -p "$mak_dir/$1/$dest" && cd "$mak_dir/$1/$dest"
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case $src in
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# Git repository with supplied commit hash.
git+*\#*)
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log "Checking out ${src##*#}"
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# A commit was requested, unshallow the repository.
# This will convert it to a regular repository with
# full history.
git fetch --unshallow
# Try to checkout the repository. If we fail here,
# the requested commit doesn't exist.
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git -c advice.detachedHead=false checkout "${src##*#}" ||
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die "Commit hash ${src##*#} doesn't exist"
;;
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# Git repository, comment or blank line.
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git+*|\#*|'') ;;
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# Tarballs of any kind. This is a shell equivalent of
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# GNU tar's '--strip-components 1'.
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*://*.tar|*://*.tar.??|*://*.tar.???|*://*.tar.????|*://*.t?z)
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# Decompress the archive to a temporary .tar archive.
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decompress "$src_dir/$1/${src##*/}" > .ktar
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# Extract the tar archive to the current directory.
tar xf .ktar || die "$1" "Couldn't extract ${src##*/}"
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# Iterate over all directories in the first level of the
# tarball's manifest. This is our equivalent of GNU tar's
# '--strip-components 1'.
tar tf .ktar | while IFS=/ read -r dir _; do
# Some tarballs contain './' as the top-level directory,
# we need to skip these occurances.
[ -d "${dir#.}" ] || continue
# Move the directory to prevent naming conflicts between
# the child and parent
mv -f "$dir" "$$-$dir"
# First attempt to move all files up a directory level,
# if any files/directories fail (due to mv's lack of
# directory merge capability), simply do the exercise
# again and copy-merge the remaining files/directories.
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#
# We can use '-exec {} +' with any arguments between
# the '{}' and '+' as this is not POSIX. We must also
# use '$0' and '$@' to reference all arguments.
#
# Using only '$@' causes a single file from each
# invocation to be left out of the list. Weird, right?
{
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find "$$-$dir/." ! -name . -prune \
-exec sh -c 'mv -f "$0" "$@" .' {} + ||
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find "$$-$dir/." ! -name . -prune \
-exec sh -c 'cp -fRp "$0" "$@" .' {} +
} 2>/dev/null
# Remove the directory now that all files have been
# transferred out of it. This can't be a simple 'rmdir'
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# as we may leave files in here due to above.
rm -rf "$$-$dir"
done
# Clean up after ourselves and remove the temporary tar
# archive we've created. Not needed at all really.
rm -f .ktar
;;
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# Zip archives.
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*://*.zip)
unzip "$src_dir/$1/${src##*/}" ||
die "$1" "Couldn't extract ${src##*/}"
;;
*)
# Local file.
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if [ -f "$repo_dir/$src" ]; then
cp -f "$repo_dir/$src" .
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# Remote file.
elif [ -f "$src_dir/$1/${src##*/}" ]; then
cp -f "$src_dir/$1/${src##*/}" .
else
die "$1" "Local file $src not found"
fi
;;
esac
done < "$repo_dir/sources"
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}
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pkg_depends() {
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# Resolve all dependencies and generate an ordered list. This does a
# depth-first search. The deepest dependencies are listed first and then
# the parents in reverse order.
contains "$deps" "$1" || {
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# Filter out non-explicit, aleady installed dependencies.
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# Only filter installed if called from 'pkg_build()'.
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[ "$pkg_build" ] && [ -z "$2" ] &&
(pkg_list "$1" >/dev/null) && return
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# Recurse through the dependencies of the child packages.
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while read -r dep _ || [ "$dep" ]; do
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[ "${dep##\#*}" ] && pkg_depends "$dep"
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done 2>/dev/null < "$(pkg_find "$1")/depends" ||:
# After child dependencies are added to the list,
# add the package which depends on them.
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[ "$2" = explicit ] || deps="$deps $1 "
}
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}
pkg_order() {
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# Order a list of packages based on dependence and take into account
# pre-built tarballs if this is to be called from 'kiss i'.
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order=; redro=; deps=
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for pkg do case $pkg in
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*.tar.*) deps="$deps $pkg " ;;
*) pkg_depends "$pkg" raw
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esac done
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# Filter the list, only keeping explicit packages. The purpose of these
# two loops is to order the argument list based on dependence.
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for pkg in $deps; do contains "$*" "$pkg" && {
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order="$order $pkg "
redro=" $pkg $redro"
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} done
deps=
}
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pkg_strip() {
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# Strip package binaries and libraries. This saves space on the system as
# well as on the tarballs we ship for installation.
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[ -f "$mak_dir/$pkg/nostrip" ] && return
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log "$1" "Stripping binaries and libraries"
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# Strip only files matching the below ELF types. This uses 'od' to print
# the 2 bytes starting from an offset of 16 bytes (bytes 17 and 18). This
# is the location of the ELF type inside of the ELF headers.
#
# Static libraries (.a) are in reality AR archives which contain ELF
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# objects. Tools like 'readelf' will seamlessly read '.a' files as if they
# were of ELF format (effectively hiding this fact).
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#
# Example ELF output:
# 0000000 177 E L F 002 001 001 \0 \0 \0 \0 \0 \0 \0 \0 \0
# 0000020 003 \0
# 0000022
#
# Example AR output (.a):
# 0000000 ! < a r c h > \n /
# 0000020
# 0000022
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find "$pkg_dir/$1" -type f | while read -r file; do
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case $(od -cN 18 "$file") in
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# REL (object files (.o), static libraries (.a)).
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*177*E*L*F*0000020\ 001\ *|*\!*\<*a*r*c*h*\>*)
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strip -g -R .comment -R .note "$file"
;;
# EXEC (binaries), DYN (shared libraries).
# Shared libraries keep global symbols in a separate ELF section
# called '.dynsym'. '--strip-all/-s' does not touch the dynamic
# symbol entries which makes this safe to do.
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*177*E*L*F*0000020\ 00[23]\ *)
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strip -s -R .comment -R .note "$file"
;;
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esac
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done 2>/dev/null ||:
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}
pkg_fixdeps() {
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# Dynamically look for missing runtime dependencies by checking each
# binary and library with 'ldd'. This catches any extra libraries and or
# dependencies pulled in by the package's build suite.
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log "$1" "Checking for missing dependencies"
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# Go to the built package directory to simplify path building.
cd "$pkg_dir/$1/$pkg_db/$1"
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# Generate a list of all installed manifests.
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set +f; set -f -- "$sys_db/"*/manifest
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# Create the depends file if it doesn't exist to have something to
# compare against (even if empty). We will remove this blank file
# later if needed.
touch depends
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# Get a list of binaries and libraries, false files will be found,
# however it's faster to get 'ldd' to check them anyway than to filter
# them out.
2020-03-23 10:40:38 +00:00
find "$pkg_dir/${PWD##*/}/" -type f 2>/dev/null |
2020-01-12 17:55:12 +00:00
while read -r file; do
2020-05-21 07:38:07 +00:00
# Run 'ldd' on the file and parse each line. The code then checks to
# see which packages own the linked libraries and it prints the result.
2020-05-22 09:40:09 +00:00
ldd "$file" 2>/dev/null | while read -r _ _ dep _; do
# Resolve path symlinks to find the real location to the library.
cd -P "${dep%/*}" 2>/dev/null || continue
2020-05-09 15:18:52 +00:00
# 'ls' is used to obtain the target of the symlink.
2020-05-22 09:40:09 +00:00
# See: [2] at top of script.
2020-05-09 15:18:52 +00:00
lso=$(ls -ld "$PWD/${dep##*/}" 2>/dev/null) &&
2020-05-22 09:40:09 +00:00
case $lso in *' -> '*) lso=${lso##* -> } dep=$PWD/${lso##*/}; esac
# Figure out which package owns the file.
2020-05-22 09:40:09 +00:00
dep=$(grep -lFx "${dep##$KISS_ROOT}" "$@")
dep=${dep%/*} dep=${dep##*/}
2020-03-25 15:36:13 +00:00
# Skip listing these packages as dependencies.
2020-05-22 09:40:09 +00:00
case $dep in
musl|gcc|llvm|"${OLDPWD##*/}"|"${OLDPWD##*/}-bin"|"") ;;
*) printf '%s\n' "$dep"
esac
done ||:
2020-05-22 10:13:22 +00:00
done | sort -uk1,1 depends - > "$mak_dir/d"
2020-03-08 22:14:06 +00:00
# Display a 'diff' of the new dependencies against the old ones.
2020-05-22 10:13:22 +00:00
diff -U 3 depends - < "$mak_dir/d" ||:
# Swap out the old depends file for the new one which contains
# an amended dependency list.
mv -f "$mak_dir/d" depends
2020-05-22 10:13:22 +00:00
# Remove the package's depends file if it's empty. (The package has
# no dependencies, automatically detected or otherwise).
[ -s depends ] || rm -f depends
}
2019-06-29 20:38:35 +00:00
pkg_manifest() (
# Generate the package's manifest file. This is a list of each file
# and directory inside the package. The file is used when uninstalling
# packages, checking for package conflicts and for general debugging.
2019-09-21 17:22:56 +00:00
log "$1" "Generating manifest"
2019-06-30 08:35:54 +00:00
2020-02-07 11:27:45 +00:00
# This function runs as a sub-shell to avoid having to 'cd' back to the
2019-06-29 20:38:35 +00:00
# prior directory before being able to continue.
cd "${2:-$pkg_dir}/$1"
2019-06-29 20:38:35 +00:00
2019-09-21 16:03:11 +00:00
# find: Print all files and directories and append '/' to directories.
# sort: Sort the output in *reverse*. Directories appear *after* their
# contents.
# sed: Remove the first character in each line (./dir -> /dir) and
# remove all lines which only contain '.'.
find . -type d -exec printf '%s/\n' {} + -o -print |
sort -r | sed '/^\.\/$/d;ss.ss' > "${2:-$pkg_dir}/$1/$pkg_db/$1/manifest"
2019-06-29 20:38:35 +00:00
)
2019-06-13 14:48:08 +00:00
2020-02-05 08:56:25 +00:00
pkg_etcsums() (
2020-05-21 07:38:07 +00:00
# Generate checksums for each configuration file in the package's /etc/
# directory for use in "smart" handling of these files.
2020-02-05 08:56:25 +00:00
log "$1" "Generating etcsums"
2020-02-07 11:27:45 +00:00
# This function runs as a sub-shell to avoid having to 'cd' back to the
2020-02-05 08:56:25 +00:00
# prior directory before being able to continue.
2020-05-16 12:20:53 +00:00
[ -d "$pkg_dir/$1/etc" ] || return 0
cd "$pkg_dir/$1"
2020-02-05 08:56:25 +00:00
find etc -type f | while read -r line; do
sh256 "$line"
done > "$pkg_dir/$1/$pkg_db/$1/etcsums"
2020-02-05 08:56:25 +00:00
)
kiss: Various portability fixes. - Added POSIX shell implementation of the 'readlink' utility for use _only_ when the 'readlink' utility is not available. - Made tar usage more portable. All that is left now is the removal of --strip-components 1 for full (presumed) portability. - Swapped from sha256sum to shasum as it's more portable. This is still not a full solution. Here's a checklist of where we currently are: POSIX Core utilities (depends coreutils) - [x] sh (POSIX) - [x] find (POSIX) -type f, -type d, -exec {} [+;], -o, -print, ! - [x] ls (POSIX) -l, -d - [x] sed (POSIX) -n, s/<search>/<replace>/g, /<delete>/d - [x] grep (POSIX) -l, -F, -x, -f, -q, -v - [x] sort (POSIX) -r, -u, -k - [x] tee (POSIX) - [x] date (POSIX) - [x] mkdir (POSIX) -p - [x] rm (POSIX) -f, -r - [x] rmdir (POSIX) - [x] cp (POSIX) -f, -P, -p, -L, -R - [x] mv (POSIX) -f - [x] chown (POSIX) -h - [x] diff (POSIX) -U BSD utilities - [x] install (BSD, not POSIX) (still portable) -o, -g, -m, -d Misc - [x] readlink (NOT POSIX) (fallback shell implementation) - [x] su* (sudo, doas, su) (in order, optional) - [x] git (downloads from git) (must link to curl) Compiler/libc utilities (depends cc & libc) - [x] readelf (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] strip (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] ldd (Part of libc) Tarball compression - [ ] tar (must have --strip-components) (busybox, GNU, libarchive)) - [x] bzip2 (widely used) -d, -z - [x] xz (widely used) -d, -z, -c, -T - [x] gzip (widely used) -d, -6 - [x] zstd (optional) -d, -z, -c - [x] unzip (optional) - [ ] shasum (checksums) (NO standard. Portable across Linux/BSD)
2020-04-30 16:38:37 +00:00
pkg_tar() (
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# Create a tarball from the built package's files. This tarball also
# contains the package's database entry.
2020-04-24 08:04:05 +00:00
log "$1" "Creating tarball"
2019-06-29 20:38:35 +00:00
# Read the version information to name the package.
read -r version release < "$(pkg_find "$1")/version"
2019-06-29 20:38:35 +00:00
2020-05-21 07:38:07 +00:00
# Use 'cd' to avoid needing tar's '-C' flag which may not be portable
# across implementations.
kiss: Various portability fixes. - Added POSIX shell implementation of the 'readlink' utility for use _only_ when the 'readlink' utility is not available. - Made tar usage more portable. All that is left now is the removal of --strip-components 1 for full (presumed) portability. - Swapped from sha256sum to shasum as it's more portable. This is still not a full solution. Here's a checklist of where we currently are: POSIX Core utilities (depends coreutils) - [x] sh (POSIX) - [x] find (POSIX) -type f, -type d, -exec {} [+;], -o, -print, ! - [x] ls (POSIX) -l, -d - [x] sed (POSIX) -n, s/<search>/<replace>/g, /<delete>/d - [x] grep (POSIX) -l, -F, -x, -f, -q, -v - [x] sort (POSIX) -r, -u, -k - [x] tee (POSIX) - [x] date (POSIX) - [x] mkdir (POSIX) -p - [x] rm (POSIX) -f, -r - [x] rmdir (POSIX) - [x] cp (POSIX) -f, -P, -p, -L, -R - [x] mv (POSIX) -f - [x] chown (POSIX) -h - [x] diff (POSIX) -U BSD utilities - [x] install (BSD, not POSIX) (still portable) -o, -g, -m, -d Misc - [x] readlink (NOT POSIX) (fallback shell implementation) - [x] su* (sudo, doas, su) (in order, optional) - [x] git (downloads from git) (must link to curl) Compiler/libc utilities (depends cc & libc) - [x] readelf (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] strip (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] ldd (Part of libc) Tarball compression - [ ] tar (must have --strip-components) (busybox, GNU, libarchive)) - [x] bzip2 (widely used) -d, -z - [x] xz (widely used) -d, -z, -c, -T - [x] gzip (widely used) -d, -6 - [x] zstd (optional) -d, -z, -c - [x] unzip (optional) - [ ] shasum (checksums) (NO standard. Portable across Linux/BSD)
2020-04-30 16:38:37 +00:00
cd "$pkg_dir/$1"
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# Create a tarball from the contents of the built package.
tar cf - . | case ${KISS_COMPRESS:=gz} in
bz2) bzip2 -z ;;
gz) gzip -6 ;;
2020-05-07 13:25:53 +00:00
lzma) lzma -z ;;
2020-05-07 15:17:12 +00:00
lz) lzip -z ;;
xz) xz -zT 0 ;;
zst) zstd -z ;;
2020-03-23 11:04:45 +00:00
esac > "$bin_dir/$1#$version-$release.tar.${KISS_COMPRESS:=gz}"
2019-06-29 20:38:35 +00:00
2020-04-24 08:04:05 +00:00
log "$1" "Successfully created tarball"
kiss: Various portability fixes. - Added POSIX shell implementation of the 'readlink' utility for use _only_ when the 'readlink' utility is not available. - Made tar usage more portable. All that is left now is the removal of --strip-components 1 for full (presumed) portability. - Swapped from sha256sum to shasum as it's more portable. This is still not a full solution. Here's a checklist of where we currently are: POSIX Core utilities (depends coreutils) - [x] sh (POSIX) - [x] find (POSIX) -type f, -type d, -exec {} [+;], -o, -print, ! - [x] ls (POSIX) -l, -d - [x] sed (POSIX) -n, s/<search>/<replace>/g, /<delete>/d - [x] grep (POSIX) -l, -F, -x, -f, -q, -v - [x] sort (POSIX) -r, -u, -k - [x] tee (POSIX) - [x] date (POSIX) - [x] mkdir (POSIX) -p - [x] rm (POSIX) -f, -r - [x] rmdir (POSIX) - [x] cp (POSIX) -f, -P, -p, -L, -R - [x] mv (POSIX) -f - [x] chown (POSIX) -h - [x] diff (POSIX) -U BSD utilities - [x] install (BSD, not POSIX) (still portable) -o, -g, -m, -d Misc - [x] readlink (NOT POSIX) (fallback shell implementation) - [x] su* (sudo, doas, su) (in order, optional) - [x] git (downloads from git) (must link to curl) Compiler/libc utilities (depends cc & libc) - [x] readelf (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] strip (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] ldd (Part of libc) Tarball compression - [ ] tar (must have --strip-components) (busybox, GNU, libarchive)) - [x] bzip2 (widely used) -d, -z - [x] xz (widely used) -d, -z, -c, -T - [x] gzip (widely used) -d, -6 - [x] zstd (optional) -d, -z, -c - [x] unzip (optional) - [ ] shasum (checksums) (NO standard. Portable across Linux/BSD)
2020-04-30 16:38:37 +00:00
)
2019-06-13 14:48:08 +00:00
2019-06-29 20:38:35 +00:00
pkg_build() {
2020-05-21 07:38:07 +00:00
# Build packages and turn them into packaged tarballs.
2019-09-16 08:57:35 +00:00
pkg_build=1
2019-06-17 07:18:36 +00:00
2019-09-13 18:25:33 +00:00
log "Resolving dependencies"
2019-09-13 21:20:33 +00:00
2020-05-16 06:26:34 +00:00
# Mark packages passed on the command-line separately from those
# detected as dependencies. We need to treat explicitly passed packages
# differently from those pulled in as dependencies.
#
# This also resolves all dependencies and stores the result in '$deps'.
# Any duplicates are also filtered out.
2020-03-21 11:48:05 +00:00
for pkg do contains "$explicit" "$pkg" || {
pkg_depends "$pkg" explicit
explicit="$explicit $pkg "
} done
2019-09-13 18:25:33 +00:00
2020-05-16 06:26:34 +00:00
# If this is an update, don't always build explicitly passsed packages
# and instead install pre-built binaries if they exist.
2020-01-11 12:07:21 +00:00
[ "$pkg_update" ] || explicit_build=$explicit
2019-09-13 20:52:15 +00:00
2020-05-16 06:26:34 +00:00
# If an explicit package is a dependency of another explicit package,
# remove it from the explicit list as it needs to be installed as a
# dependency.
2020-05-16 06:36:07 +00:00
for pkg do contains "$deps" "$pkg" ||
explicit2=" $explicit2 $pkg "
2019-09-13 18:25:33 +00:00
done
2020-05-16 06:36:07 +00:00
explicit=$explicit2
2019-09-20 14:54:12 +00:00
# See [1] at top of script.
# shellcheck disable=2046,2086
2019-09-15 06:15:32 +00:00
set -- $deps $explicit
2019-08-19 17:15:50 +00:00
log "Building: $*"
2019-07-11 06:14:17 +00:00
# Only ask for confirmation if more than one package needs to be built.
2020-02-18 19:28:35 +00:00
[ $# -gt 1 ] || [ "$pkg_update" ] && prompt
2019-07-11 06:14:17 +00:00
2020-03-26 12:53:03 +00:00
for pkg do pkg_lint "$pkg"; done
2020-04-24 08:04:05 +00:00
log "Checking for pre-built dependencies"
# Install any pre-built dependencies if they exist in the binary
# directory and are up to date.
2020-03-21 11:54:48 +00:00
for pkg do ! contains "$explicit_build" "$pkg" && pkg_cache "$pkg" && {
log "$pkg" "Found pre-built binary, installing"
(KISS_FORCE=1 args i "$tar_file")
# Remove the now installed package from the build list.
2020-05-16 06:36:07 +00:00
shift
2020-03-21 11:54:48 +00:00
} done
2019-06-29 20:38:35 +00:00
2020-03-21 11:48:05 +00:00
for pkg do pkg_sources "$pkg"; done
2020-02-08 18:36:58 +00:00
pkg_verify "$@"
2019-06-13 14:48:08 +00:00
2019-07-03 13:35:14 +00:00
# Finally build and create tarballs for all passed packages and
# dependencies.
2020-05-14 14:17:48 +00:00
for pkg do in=$((in + 1))
log "$pkg" "Building package ($in/$#)"
2020-01-03 07:10:41 +00:00
2019-09-16 07:37:50 +00:00
pkg_extract "$pkg"
repo_dir=$(pkg_find "$pkg")
2019-06-17 07:18:36 +00:00
2020-05-21 07:38:07 +00:00
# Install built packages to a directory under the package name to
# avoid collisions with other packages.
mkdir -p "$pkg_dir/$pkg/$pkg_db" "$mak_dir/$pkg"
cd "$mak_dir/$pkg"
2019-09-01 11:50:15 +00:00
2020-05-21 07:38:07 +00:00
# Log the version so we can pass it to the package build file.
read -r build_version _ < "$repo_dir/version"
log "$pkg" "Starting build"
2020-03-05 15:59:47 +00:00
run_hook pre-build "$pkg" "$pkg_dir/$pkg"
2020-05-21 07:38:07 +00:00
# Call the build script, log the output to the terminal and to a file.
# There's no PIPEFAIL in POSIX shelll so we must resort to tricks like
# killing the script ourselves.
{ "$repo_dir/build" "$pkg_dir/$pkg" "$build_version" 2>&1 || {
2020-01-28 08:08:15 +00:00
log "$pkg" "Build failed"
log "$pkg" "Log stored to $log_dir/$pkg-$time-$pid"
2020-03-05 15:59:47 +00:00
run_hook build-fail "$pkg" "$pkg_dir/$pkg"
2020-01-28 08:08:15 +00:00
pkg_clean
kill 0
2020-02-10 17:36:24 +00:00
} } | tee "$log_dir/$pkg-$time-$pid"
2020-01-28 08:08:15 +00:00
2020-05-21 07:38:07 +00:00
# Delete the log file if the build succeeded to prevent the directory
# from filling very quickly with useless logs.
2020-02-08 08:55:58 +00:00
[ "$KISS_KEEPLOG" = 1 ] || rm -f "$log_dir/$pkg-$time-$pid"
2019-06-29 20:38:35 +00:00
2020-05-21 07:38:07 +00:00
# Copy the repository files to the package directory. This acts as the
# database entry.
2019-10-22 08:54:04 +00:00
cp -LRf "$repo_dir" "$pkg_dir/$pkg/$pkg_db/"
2019-06-29 20:38:35 +00:00
2020-05-21 07:38:07 +00:00
# We never ever want this. Let's end the endless conflicts and remove
# it. This will be the only exception for a specific removal of this
# kind. A 'find' is used instead of 'rm' so as to not hardcode the
# location to this file.
find "$pkg_dir/$pkg" -type f -name charset.alias -exec rm -f {} +
2019-09-21 17:22:56 +00:00
log "$pkg" "Successfully built package"
2020-03-05 15:59:47 +00:00
run_hook post-build "$pkg" "$pkg_dir/$pkg"
2020-05-21 07:38:07 +00:00
# Create the manifest file early and make it empty. This ensures that
# the manifest is added to the manifest.
2019-07-19 22:14:46 +00:00
: > "$pkg_dir/$pkg/$pkg_db/$pkg/manifest"
2019-06-26 16:27:36 +00:00
2020-05-21 07:38:07 +00:00
# If the package contains '/etc', add a file called 'etcsums' to the
# manifest. See comment directly above.
2020-05-16 06:26:34 +00:00
[ -d "$pkg_dir/$pkg/etc" ] && : > "$pkg_dir/$pkg/$pkg_db/$pkg/etcsums"
2020-02-05 08:56:25 +00:00
pkg_strip "$pkg"
pkg_fixdeps "$pkg"
pkg_manifest "$pkg"
pkg_etcsums "$pkg"
pkg_tar "$pkg"
2019-06-26 16:27:36 +00:00
2020-05-16 06:26:34 +00:00
# Install only dependencies of passed packages. If this is an update,
# install the built package regardless.
contains "$explicit" "$pkg" && [ -z "$pkg_update" ] && continue
2019-08-24 09:10:15 +00:00
2019-09-21 17:22:56 +00:00
log "$pkg" "Needed as a dependency or has an update, installing"
2020-01-30 07:27:25 +00:00
(KISS_FORCE=1 args i "$pkg")
done
2019-06-29 20:38:35 +00:00
2019-08-24 09:18:08 +00:00
# End here as this was a system update and all packages have been installed.
[ "$pkg_update" ] && return
2019-08-19 17:15:50 +00:00
log "Successfully built package(s)"
# Turn the explicit packages into a 'list'.
2019-09-20 14:54:12 +00:00
# See [1] at top of script.
# shellcheck disable=2046,2086
2019-09-13 18:09:25 +00:00
set -- $explicit
# Only ask for confirmation if more than one package needs to be installed.
[ $# -gt 1 ] && prompt "Install built packages? [$*]" && {
args i "$@"
return
}
2019-09-22 11:35:07 +00:00
log "Run 'kiss i $*' to install the package(s)"
2019-06-29 20:38:35 +00:00
}
pkg_checksums() {
# Generate checksums for packages.
repo_dir=$(pkg_find "$1")
# Support packages without sources. Simply do nothing.
[ -f "$repo_dir/sources" ] || return 0
while read -r src _ || [ "$src" ]; do case $src in \#*) ;;
git+*) printf 'git %s\n' "$src" ;;
*)
# File is local to the package.
if [ -f "$repo_dir/$src" ]; then
cd "$repo_dir/${src%/*}"
# File is remote and was downloaded.
elif [ -f "$src_dir/$1/${src##*/}" ]; then
cd "$src_dir/$1"
fi
2020-05-22 10:43:27 +00:00
sh256 "${src##*/}" || die "$1" "Failed to generate checksums"
;;
esac; done < "$repo_dir/sources"
2019-06-29 20:38:35 +00:00
}
2020-02-08 18:36:58 +00:00
pkg_verify() {
2020-05-21 07:38:07 +00:00
# Verify all package checksums. This is achieved by generating a new set
# of checksums and then comparing those with the old set.
for pkg do repo_dir=$(pkg_find "$pkg")
[ -f "$repo_dir/sources" ] || continue
2020-02-08 18:36:58 +00:00
pkg_checksums "$pkg" | diff - "$repo_dir/checksums" || {
log "$pkg" "Checksum mismatch"
# Instead of dying above, log it to the terminal. Also define a
# variable so we *can* die after all checksum files have been
# checked.
mismatch="$mismatch$pkg "
}
done
2020-02-08 18:36:58 +00:00
[ -z "$mismatch" ] || die "Checksum mismatch with: ${mismatch% }"
2020-05-16 06:26:34 +00:00
log "Verified all checksums"
2020-02-08 18:36:58 +00:00
}
2019-06-29 20:38:35 +00:00
pkg_conflicts() {
# Check to see if a package conflicts with another.
log "$1" "Checking for package conflicts"
2019-06-29 20:38:35 +00:00
2020-05-16 06:26:34 +00:00
# Filter the tarball's manifest and select only files. Resolve all
# symlinks in file paths as well.
2020-05-22 09:53:40 +00:00
while read -r file; do file=$KISS_ROOT/${file#/}
2020-05-16 06:26:34 +00:00
# Skip all directories.
2019-11-21 00:45:52 +00:00
case $file in */) continue; esac
2020-05-09 15:18:52 +00:00
# Attempt to resolve symlinks by using 'cd'.
# If this fails, fallback to the file's parent
# directory.
cd -P "${file%/*}" 2>/dev/null || PWD=${file%/*}
2020-05-16 06:26:34 +00:00
# Print the file with all symlinks in its path
# resolved to their real locations.
printf '%s\n' "${PWD#$KISS_ROOT}/${file##*/}"
2020-05-21 08:42:33 +00:00
done < "$tar_dir/$1/$pkg_db/$1/manifest" > "$mak_dir/$pid-m"
2020-01-06 05:49:52 +00:00
p_name=$1
2020-05-16 06:26:34 +00:00
set +f
set -f "$sys_db"/*/manifest
2020-01-06 05:49:52 +00:00
2020-05-16 06:26:34 +00:00
# Generate a list of all installed package manifests and remove the
# current package from the list. This is the simplest method of
# dropping an item from the argument list. The one downside is that
2020-05-22 10:13:22 +00:00
# it cannot live in a function due to scoping of arguments.
2020-05-16 06:26:34 +00:00
for manifest do shift
[ "$sys_db/$p_name/manifest" = "$manifest" ] && continue
set -- "$@" "$manifest"
done
2020-01-28 15:00:29 +00:00
2020-05-06 19:31:54 +00:00
# Store the list of found conflicts in a file as we'll be using the
# information multiple times. Storing things in the cache dir allows
# us to be lazy as they'll be automatically removed on script end.
2020-05-21 08:42:33 +00:00
grep -Fxf "$mak_dir/$pid-m" -- "$@" 2>/dev/null > "$mak_dir/$pid-c" ||:
2020-05-06 19:31:54 +00:00
2020-02-10 20:04:34 +00:00
# Enable alternatives automatically if it is safe to do so.
# This checks to see that the package that is about to be installed
# doesn't overwrite anything it shouldn't in '/var/db/kiss/installed'.
2020-05-21 08:42:33 +00:00
grep -q ":/var/db/kiss/installed/" "$mak_dir/$pid-c" || choice_auto=1
2020-01-28 16:23:42 +00:00
2020-02-10 20:04:34 +00:00
if [ "$KISS_CHOICE" != 0 ] && [ "$choice_auto" = 1 ]; then
2020-01-28 12:07:08 +00:00
# This is a novel way of offering an "alternatives" system.
# It is entirely dynamic and all "choices" are created and
# destroyed on the fly.
#
# When a conflict is found between two packages, the file
# is moved to a directory called "choices" and its name
# changed to store its parent package and its intended
# location.
#
# The package's manifest is then updated to reflect this
# new location.
#
# The 'kiss choices' command parses this directory and
# offers you the CHOICE of *swapping* entries in this
# directory for those on the filesystem.
#
# The choices command does the same thing we do here,
# it rewrites manifests and moves files around to make
# this work.
#
# Pretty nifty huh?
2020-03-11 17:36:31 +00:00
while IFS=: read -r _ con; do
printf '%s\n' "Found conflict $con"
2020-01-28 12:07:08 +00:00
# Create the "choices" directory inside of the tarball.
# This directory will store the conflicting file.
mkdir -p "$tar_dir/$p_name/${cho_dir:=var/db/kiss/choices}"
# Construct the file name of the "db" entry of the
# conflicting file. (pkg_name>usr>bin>ls)
2020-01-28 22:41:45 +00:00
con_name=$(printf %s "$con" | sed 's|/|>|g')
2020-01-28 12:07:08 +00:00
# Move the conflicting file to the choices directory
# and name it according to the format above.
2020-01-28 12:13:26 +00:00
mv -f "$tar_dir/$p_name/$con" \
2020-02-11 10:04:44 +00:00
"$tar_dir/$p_name/$cho_dir/$p_name$con_name" 2>/dev/null || {
log "File must be in ${con%/*} and not a symlink to it"
log "This usually occurs when a binary is installed to"
log "/sbin instead of /usr/bin (example)"
log "Before this package can be used as an alternative,"
log "this must be fixed in $p_name. Contact the maintainer"
2020-05-07 11:46:50 +00:00
die "by finding their details via 'kiss-maintainer'" "" "!>"
2020-02-11 10:04:44 +00:00
}
2020-05-21 08:42:33 +00:00
done < "$mak_dir/$pid-c"
2020-02-06 12:24:21 +00:00
2020-05-22 09:53:40 +00:00
log "$p_name" "Converted all conflicts to choices (kiss a)"
# Rewrite the package's manifest to update its location
# to its new spot (and name) in the choices directory.
pkg_manifest "$p_name" "$tar_dir" 2>/dev/null
2020-05-21 08:42:33 +00:00
elif [ -s "$mak_dir/$pid-c" ]; then
2020-02-06 12:24:21 +00:00
log "Package '$p_name' conflicts with another package" "" "!>"
log "Run 'KISS_CHOICE=1 kiss i $p_name' to add conflicts" "" "!>"
2020-05-07 11:46:50 +00:00
die "as alternatives." "" "!>"
2020-01-28 15:00:29 +00:00
fi
2019-06-13 14:48:08 +00:00
}
2020-01-28 13:07:11 +00:00
pkg_swap() {
# Swap between package alternatives.
2020-01-28 13:07:11 +00:00
pkg_list "$1" >/dev/null
alt=$(printf %s "$1$2" | sed 's|/|>|g')
cd "$sys_db/../choices"
2020-01-28 13:07:11 +00:00
[ -f "$alt" ] || [ -h "$alt" ] ||
2020-01-28 13:07:11 +00:00
die "Alternative '$1 $2' doesn't exist"
if [ -f "$2" ]; then
2020-05-21 08:03:13 +00:00
# Figure out which package owns the file we are going to swap for
# another package's. Print the full path to the manifest file which
# contains the match to our search.
pkg_owns=$(set +f; grep -lFx "$2" "$sys_db/"*/manifest) ||:
# Extract the package name from the path above.
pkg_owns=${pkg_owns%/*}
pkg_owns=${pkg_owns##*/}
2020-05-21 08:03:13 +00:00
# Ensure that the file we're going to swap is actually owned by a
# package. If it is not, we have to die here.
[ "$pkg_owns" ] || die "File '$2' exists on filesystem but isn't owned"
log "Swapping '$2' from '$pkg_owns' to '$1'"
2020-05-21 08:03:13 +00:00
# Convert the current owner to an alternative and rewrite its manifest
# file to reflect this.
cp -Pf "$KISS_ROOT/$2" "$pkg_owns>${alt#*>}"
2020-04-29 07:12:09 +00:00
2020-05-21 08:03:13 +00:00
# The separator is the ASCII unit separator which should be safe to
# use as files should never contain this character (I hope to god)..
2020-05-16 06:49:05 +00:00
sed "s^$2$${PWD#$KISS_ROOT}/$pkg_owns>${alt#*>}" \
2020-05-11 14:38:24 +00:00
"../installed/$pkg_owns/manifest" | sort -r > "$mak_dir/.$1"
2020-04-29 07:12:09 +00:00
mv -f "$mak_dir/.$1" "../installed/$pkg_owns/manifest"
fi
2020-05-21 08:03:13 +00:00
# Convert the desired alternative to a real file and rewrite the manifest
# file to reflect this. The reverse of above.
mv -f "$alt" "$KISS_ROOT/$2"
2020-04-29 07:12:09 +00:00
2020-05-21 08:03:13 +00:00
# The separator is the ASCII unit separator which should be safe to use
# as files should never contain this character (I hope to god).
2020-05-16 06:49:05 +00:00
sed "s${PWD#$KISS_ROOT}/$alt$2" \
2020-05-11 14:38:24 +00:00
"../installed/$1/manifest" | sort -r > "$mak_dir/.$1"
2020-04-29 07:12:09 +00:00
mv -f "$mak_dir/.$1" "../installed/$1/manifest"
2020-01-28 13:07:11 +00:00
}
2020-04-22 06:18:12 +00:00
pkg_install_files() {
2020-05-21 07:38:07 +00:00
# Reverse the manifest file so that we start shallow and go deeper as we
# iterate over each item. This is needed so that directories are created
# going down the tree.
2020-04-22 14:51:42 +00:00
sort "$2/$pkg_db/${2##*/}/manifest" |
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while read -r line; do
# Grab the octal permissions so that directory creation
# preserves permissions.
2020-05-22 09:40:09 +00:00
# See: [2] at top of script.
2020-05-01 16:26:36 +00:00
rwx=$(ls -ld "$2/$line") oct='' b='' o=0
2020-04-28 04:43:54 +00:00
2020-05-01 16:26:36 +00:00
# Convert the output of 'ls' (rwxrwx---) to octal. This is simply
2020-04-28 04:43:54 +00:00
# a 1-9 loop with the second digit being the value of the field.
for c in 14 22 31 44 52 61 74 82 91; do rwx=${rwx#?}
2020-05-01 16:26:36 +00:00
case $rwx in
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[rwx]*): $((o+=${c#?})) ;;
[st]*): $((o+=1)) $((b+=4 / (${c%?}/3))) ;;
[ST]*): $((b+=1)) ;;
esac
[ "$((${c%?} % 3))" = 0 ] && oct=$oct$o o=0
done
# Copy files and create directories (preserving permissions),
# skipping anything located in /etc/.
#
# The 'test' will run with '-e' for no-overwrite and '-z'
# for overwrite.
case $line in /etc/*) ;;
2020-05-01 16:26:36 +00:00
*/)
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# Skip directories if they already exist in the file system.
# (Think /usr/bin, /usr/lib, etc).
[ -d "$KISS_ROOT/$line" ] || mkdir -m "$oct" "$KISS_ROOT/$line"
2020-04-26 08:00:28 +00:00
;;
2020-04-22 06:37:46 +00:00
*) test "$1" "$KISS_ROOT/$line" ||
2020-04-22 10:50:02 +00:00
2020-05-01 16:26:36 +00:00
if [ -h "$2/$line" ]; then
2020-04-26 08:00:28 +00:00
# Skip symlinks which already exist as directories.
# (Think baselayout being updated)
[ -d "$KISS_ROOT/$line" ] && continue
2020-05-23 07:05:19 +00:00
cp -fPp "$2/$line" "$KISS_ROOT/$line"
2020-05-12 07:51:12 +00:00
chown -h "$USER:$USER" "$KISS_ROOT/$line"
2020-04-22 16:35:17 +00:00
else
cp -f "$2/$line" "$KISS_ROOT/$line"
chmod "$b$oct" "$KISS_ROOT/$line"
2020-04-22 16:35:17 +00:00
fi
2020-04-22 16:29:55 +00:00
esac
done
2020-04-22 06:18:12 +00:00
}
2020-05-21 07:55:29 +00:00
pkg_remove_files() {
# Remove a file list from the system. This function runs during package
# installation and package removal. Combining the removals in these two
# functions allows us to stop duplicating code.
while read -r file; do
# Skip deleting some leftover files.
case $file in /etc/*) continue; esac
file=$KISS_ROOT/$file
# Remove files.
if [ -f "$file" ] && [ ! -h "$file" ]; then
rm -f "$file"
# Remove file symlinks.
elif [ -h "$file" ] && [ ! -d "$file" ]; then
rm -f "$file"
# Skip directory symlinks.
elif [ -h "$file" ] && [ -d "$file" ]; then :
# Remove directories if empty.
elif [ -d "$file" ]; then
rmdir "$file" 2>/dev/null ||:
fi
done ||:
}
2020-05-14 14:17:48 +00:00
pkg_etc() (
2020-03-25 10:21:10 +00:00
[ -d "$tar_dir/$pkg_name/etc" ] || return 0
2020-05-14 14:17:48 +00:00
cd "$tar_dir/$pkg_name"
2020-03-25 10:21:10 +00:00
# Create all directories beforehand.
find etc -type d | while read -r dir; do
mkdir -p "$KISS_ROOT/$dir"
done
# Handle files in /etc/ based on a 3-way checksum check.
find etc ! -type d | while read -r file; do
{ sum_new=$(sh256 "$file")
sum_sys=$(cd "$KISS_ROOT/"; sh256 "$file")
sum_old=$(grep "$file$" "$mak_dir/c"); } 2>/dev/null ||:
2020-03-25 10:21:10 +00:00
log "$pkg_name" "Doing 3-way handshake for $file"
printf '%s\n' "Previous: ${sum_old:-null}"
printf '%s\n' "System: ${sum_sys:-null}"
printf '%s\n' "New: ${sum_new:-null}"
# Use a case statement to easily compare three strings at
# the same time. Pretty nifty.
case ${sum_old:-null}${sum_sys:-null}${sum_new} in
# old = Y, sys = X, new = Y
"${sum_new}${sum_sys}${sum_old}")
log "Skipping $file"
continue
;;
# old = X, sys = X, new = X
# old = X, sys = Y, new = Y
# old = X, sys = X, new = Y
"${sum_old}${sum_old}${sum_old}"|\
"${sum_old:-null}${sum_sys}${sum_sys}"|\
"${sum_sys}${sum_old}"*)
log "Installing $file"
new=
;;
# All other cases.
*)
2020-04-28 15:40:59 +00:00
war "$pkg_name" "saving /$file as /$file.new"
2020-03-25 10:21:10 +00:00
new=.new
;;
esac
2020-04-22 17:08:47 +00:00
cp -fPp "$file" "$KISS_ROOT/${file}${new}"
2020-03-25 10:21:10 +00:00
chown root:root "$KISS_ROOT/${file}${new}" 2>/dev/null
2020-05-14 14:17:48 +00:00
done ||:
)
2020-03-25 10:21:10 +00:00
2019-06-13 14:48:08 +00:00
pkg_remove() {
2020-05-21 07:38:07 +00:00
# Remove a package and all of its files. The '/etc' directory is handled
# differently and configuration files are *not* overwritten.
pkg_list "$1" >/dev/null || return
# Make sure that nothing depends on this package.
2020-05-19 09:38:54 +00:00
[ "$KISS_FORCE" ] || {
2020-03-26 10:15:05 +00:00
log "$1" "Checking for reverse dependencies"
2020-01-29 13:03:18 +00:00
(cd "$sys_db"; set +f; grep -lFx "$1" -- */depends) &&
2020-03-26 10:15:05 +00:00
die "$1" "Can't remove package, others depend on it"
}
2019-07-26 16:21:44 +00:00
# Block being able to abort the script with 'Ctrl+C' during removal.
2020-05-21 07:38:07 +00:00
# Removes all risk of the user aborting a package removal leaving an
# incomplete package installed.
2019-07-04 15:32:53 +00:00
trap '' INT
if [ -x "$sys_db/$1/pre-remove" ]; then
log "$1" "Running pre-remove script"
"$sys_db/$1/pre-remove" ||:
fi
2020-05-21 07:55:29 +00:00
pkg_remove_files < "$sys_db/$1/manifest"
2019-07-26 16:21:44 +00:00
# Reset 'trap' to its original value. Removal is done so
2019-07-04 15:32:53 +00:00
# we no longer need to block 'Ctrl+C'.
trap pkg_clean EXIT INT
2019-09-21 17:22:56 +00:00
log "$1" "Removed successfully"
2019-06-13 14:48:08 +00:00
}
2019-06-29 20:38:35 +00:00
pkg_install() {
2020-04-24 08:04:05 +00:00
# Install a built package tarball.
#
2020-05-21 07:38:07 +00:00
# Package installation works similarly to the method used by Slackware in
# some of their tooling. It's not the obvious solution to the problem,
# however it is the best solution at this given time.
#
2020-05-21 07:38:07 +00:00
# When an installation is an update to an existing package, instead of
# removing the old version first we do something different.
#
2020-05-21 07:38:07 +00:00
# The new version is installed overwriting any files which it has in
# common with the previously installed version of the package.
#
2020-05-21 07:38:07 +00:00
# A "diff" is then generated between the old and new versions and contains
# any files existing in the old version but not the new version.
#
2020-05-21 07:38:07 +00:00
# The package manager then goes and removes these files which leaves us
# with the new package version in the file system and all traces of the
# old version gone.
#
2020-05-21 07:38:07 +00:00
# For good measure the package manager will then install the new package
# an additional time. This is to ensure that the above diff didn't contain
# anything incorrect.
#
2020-05-21 07:38:07 +00:00
# This is the better method as it is "seamless". An update to busybox won't
# create a window in which there is no access to all of its utilities to
# give an example.
2019-06-14 05:58:09 +00:00
2020-05-21 07:38:07 +00:00
# Install can also take the full path to a tarball. We don't need to check
# the repository if this is the case.
if [ -f "$1" ] && [ -z "${1%%*.tar.*}" ] && [ -z "${1##*/*}" ]; then
2020-03-25 11:11:22 +00:00
tar_file=$1 pkg_name=${1##*/} pkg_name=${pkg_name%#*}
2019-06-29 20:38:35 +00:00
elif pkg_cache "$1" 2>/dev/null; then
pkg_name=$1
else
die "package has not been built, run 'kiss b pkg'"
fi
2019-06-29 20:38:35 +00:00
mkdir -p "$tar_dir/$pkg_name"
log "$pkg_name" "Extracting $tar_file"
2019-06-29 20:38:35 +00:00
2020-05-21 07:38:07 +00:00
# The tarball is extracted to a temporary directory where its contents are
# then "installed" to the filesystem. Running this step as soon as possible
# allows us to also check the validity of the tarball and bail out early
# if needed.
kiss: Various portability fixes. - Added POSIX shell implementation of the 'readlink' utility for use _only_ when the 'readlink' utility is not available. - Made tar usage more portable. All that is left now is the removal of --strip-components 1 for full (presumed) portability. - Swapped from sha256sum to shasum as it's more portable. This is still not a full solution. Here's a checklist of where we currently are: POSIX Core utilities (depends coreutils) - [x] sh (POSIX) - [x] find (POSIX) -type f, -type d, -exec {} [+;], -o, -print, ! - [x] ls (POSIX) -l, -d - [x] sed (POSIX) -n, s/<search>/<replace>/g, /<delete>/d - [x] grep (POSIX) -l, -F, -x, -f, -q, -v - [x] sort (POSIX) -r, -u, -k - [x] tee (POSIX) - [x] date (POSIX) - [x] mkdir (POSIX) -p - [x] rm (POSIX) -f, -r - [x] rmdir (POSIX) - [x] cp (POSIX) -f, -P, -p, -L, -R - [x] mv (POSIX) -f - [x] chown (POSIX) -h - [x] diff (POSIX) -U BSD utilities - [x] install (BSD, not POSIX) (still portable) -o, -g, -m, -d Misc - [x] readlink (NOT POSIX) (fallback shell implementation) - [x] su* (sudo, doas, su) (in order, optional) - [x] git (downloads from git) (must link to curl) Compiler/libc utilities (depends cc & libc) - [x] readelf (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] strip (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] ldd (Part of libc) Tarball compression - [ ] tar (must have --strip-components) (busybox, GNU, libarchive)) - [x] bzip2 (widely used) -d, -z - [x] xz (widely used) -d, -z, -c, -T - [x] gzip (widely used) -d, -6 - [x] zstd (optional) -d, -z, -c - [x] unzip (optional) - [ ] shasum (checksums) (NO standard. Portable across Linux/BSD)
2020-04-30 16:38:37 +00:00
(
cd "$tar_dir/$pkg_name"
decompress "$tar_file" | tar xf -
kiss: Various portability fixes. - Added POSIX shell implementation of the 'readlink' utility for use _only_ when the 'readlink' utility is not available. - Made tar usage more portable. All that is left now is the removal of --strip-components 1 for full (presumed) portability. - Swapped from sha256sum to shasum as it's more portable. This is still not a full solution. Here's a checklist of where we currently are: POSIX Core utilities (depends coreutils) - [x] sh (POSIX) - [x] find (POSIX) -type f, -type d, -exec {} [+;], -o, -print, ! - [x] ls (POSIX) -l, -d - [x] sed (POSIX) -n, s/<search>/<replace>/g, /<delete>/d - [x] grep (POSIX) -l, -F, -x, -f, -q, -v - [x] sort (POSIX) -r, -u, -k - [x] tee (POSIX) - [x] date (POSIX) - [x] mkdir (POSIX) -p - [x] rm (POSIX) -f, -r - [x] rmdir (POSIX) - [x] cp (POSIX) -f, -P, -p, -L, -R - [x] mv (POSIX) -f - [x] chown (POSIX) -h - [x] diff (POSIX) -U BSD utilities - [x] install (BSD, not POSIX) (still portable) -o, -g, -m, -d Misc - [x] readlink (NOT POSIX) (fallback shell implementation) - [x] su* (sudo, doas, su) (in order, optional) - [x] git (downloads from git) (must link to curl) Compiler/libc utilities (depends cc & libc) - [x] readelf (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] strip (Part of compiler toolchain) (GNU, LLVM or elfutils) - [x] ldd (Part of libc) Tarball compression - [ ] tar (must have --strip-components) (busybox, GNU, libarchive)) - [x] bzip2 (widely used) -d, -z - [x] xz (widely used) -d, -z, -c, -T - [x] gzip (widely used) -d, -6 - [x] zstd (optional) -d, -z, -c - [x] unzip (optional) - [ ] shasum (checksums) (NO standard. Portable across Linux/BSD)
2020-04-30 16:38:37 +00:00
)
2019-07-04 14:43:10 +00:00
2020-05-21 07:38:07 +00:00
# Naively assume that the existence of a manifest file is all that
# determines a valid KISS package from an invalid one. This should be a
# fine assumption to make in 99.99% of cases.
[ -f "$tar_dir/$pkg_name/$pkg_db/$pkg_name/manifest" ] ||
die "'${tar_file##*/}' is not a valid KISS package"
2020-05-21 07:38:07 +00:00
# Ensure that the tarball's manifest is correct by checking that each file
# and directory inside of it actually exists.
[ "$KISS_FORCE" = 1 ] || {
log "$pkg_name" "Checking that manifest is valid"
2020-05-01 16:26:36 +00:00
while read -r line; do
2020-04-26 02:38:16 +00:00
[ -h "$tar_dir/$pkg_name/$line" ] ||
2020-05-01 16:26:36 +00:00
[ -e "$tar_dir/$pkg_name/$line" ] ||
die "File $line missing from tarball but mentioned in manifest"
done < "$tar_dir/$pkg_name/$pkg_db/$pkg_name/manifest"
log "$pkg_name" "Checking that all dependencies are installed"
2020-03-26 13:00:29 +00:00
[ -f "$tar_dir/$pkg_name/$pkg_db/$pkg_name/depends" ] &&
while read -r dep dep_type || [ "$dep" ]; do
[ "${dep##\#*}" ] || continue
[ "$dep_type" ] || pkg_list "$dep" >/dev/null ||
install_dep="$install_dep'$dep', "
done < "$tar_dir/$pkg_name/$pkg_db/$pkg_name/depends"
[ "$install_dep" ] && die "$1" "Package requires ${install_dep%, }"
}
2019-07-05 06:34:06 +00:00
2020-03-05 15:59:47 +00:00
run_hook pre-install "$pkg_name" "$tar_dir/$pkg_name"
pkg_conflicts "$pkg_name"
2020-01-28 12:07:08 +00:00
2019-09-21 17:22:56 +00:00
log "$pkg_name" "Installing package incrementally"
# Block being able to abort the script with Ctrl+C during installation.
# Removes all risk of the user aborting a package installation leaving
# an incomplete package installed.
trap '' INT
2019-07-21 08:14:34 +00:00
# If the package is already installed (and this is an upgrade) make a
# backup of the manifest and etcsums files.
2020-02-06 12:20:01 +00:00
cp -f "$sys_db/$pkg_name/manifest" "$mak_dir/m" 2>/dev/null ||:
cp -f "$sys_db/$pkg_name/etcsums" "$mak_dir/c" 2>/dev/null ||:
# Install the package's files by iterating over its manifest.
2020-05-15 07:49:42 +00:00
pkg_install_files -z "$tar_dir/$pkg_name"
# Handle /etc/ files in a special way (via a 3-way checksum) to determine
# how these files should be installed. Do we overwrite the existing file?
# Do we install it as $file.new to avoid deleting user configuration? etc.
#
# This is more or less similar to Arch Linux's Pacman with the user manually
# handling the .new files when and if they appear.
2020-03-25 10:21:10 +00:00
pkg_etc
2019-07-21 08:14:34 +00:00
# This is the aforementioned step removing any files from the old version of
# the package if the installation is an update. Each file type has to be
# specially handled to ensure no system breakage occurs.
#
# Files in /etc/ are skipped entirely as they'll be handled via a 3-way
# checksum system due to the nature of their existence.
grep -vFxf "$sys_db/$pkg_name/manifest" "$mak_dir/m" 2>/dev/null |
2020-05-21 07:55:29 +00:00
pkg_remove_files
2019-06-29 20:38:35 +00:00
# Install the package's files a second time to fix any mess caused by the
# above removal of the previous version of the package.
2020-04-22 16:29:55 +00:00
log "$pkg_name" "Verifying installation"
2020-05-15 07:49:42 +00:00
pkg_install_files -e "$tar_dir/$pkg_name"
2019-07-22 08:01:37 +00:00
2020-05-21 07:38:07 +00:00
# Reset 'trap' to its original value. Installation is done so we no longer
# need to block 'Ctrl+C'.
trap pkg_clean EXIT INT
2019-09-20 16:53:58 +00:00
if [ -x "$sys_db/$pkg_name/post-install" ]; then
log "$pkg_name" "post-install log"
"$sys_db/$pkg_name/post-install"
fi 2>&1 | tee -a "$log_dir/post-install-$time-$pid" >/dev/null
2019-06-29 20:38:35 +00:00
2020-03-13 09:37:28 +00:00
run_hook post-install "$pkg_name" "$sys_db/$pkg_name"
2019-09-21 17:22:56 +00:00
log "$pkg_name" "Installed successfully"
2019-06-13 14:48:08 +00:00
}
2019-06-29 20:38:35 +00:00
pkg_updates() {
# Check all installed packages for updates. So long as the installed
# version and the version in the repositories differ, it's considered
# an update.
2019-08-19 17:15:50 +00:00
log "Updating repositories"
# Create a list of all repositories.
2019-09-20 14:54:12 +00:00
# See [1] at top of script.
# shellcheck disable=2046,2086
2020-04-20 09:14:25 +00:00
{ IFS=:; set -- $KISS_PATH; unset IFS; }
2020-05-21 07:38:07 +00:00
# Update each repository in '$KISS_PATH'.
2020-03-21 11:48:05 +00:00
for repo do
2019-08-14 09:58:14 +00:00
# Go to the root of the repository (if it exists).
2020-02-06 12:06:51 +00:00
cd "$repo"
2019-08-14 09:58:14 +00:00
cd "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null ||:
2020-03-29 07:08:08 +00:00
[ "$(git remote 2>/dev/null)" ] || {
log "$repo" " "
2020-05-21 08:32:32 +00:00
printf '%s\n' "No remote or not git repository, skipping."
continue
}
contains "$repos" "$PWD" || {
repos="$repos $PWD "
2019-08-14 09:58:14 +00:00
2019-10-04 10:47:25 +00:00
# Display a tick if signing is enabled for this
# repository.
case $(git config merge.verifySignatures) in
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true) log "$PWD" "[signed ✓] " ;;
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*) log "$PWD" " " ;;
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esac
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if [ -w "$PWD" ] && [ "$uid" != 0 ]; then
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git fetch
git merge
git submodule update --remote --init -f
else
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[ "$uid" = 0 ] || log "$PWD" "Need root to update"
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# Find out the owner of the repository and spawn
# git as this user below.
#
# This prevents 'git' from changing the original
# ownership of files and directories in the rare
# case that the repository is owned by a 3rd user.
(
file_owner "$PWD"
# We're in a repository which is owned by a 3rd
# user. Not root or the current user.
[ "$user" = root ] ||
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log "Dropping permissions to $user for pull"
# 'sudo' and 'doas' properly parse command-line
# arguments and split them in the common way. 'su'
# on the other hand requires that each argument be
# properly quoted as the command passed to it must
# be a string... This sets quotes where needed.
git_cmd="git fetch && git merge"
git_cmd="$git_cmd && git submodule update --remote --init -f"
case $su in *su) git_cmd="'$git_cmd'"; esac
# Spawn a subshell to run multiple commands as
# root at once. This makes things easier on users
# who aren't using persist/timestamps for auth
# caching.
user=$user as_root sh -c "$git_cmd"
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)
fi
}
done
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log "Checking for new package versions"
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set +f --
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for pkg in "$sys_db/"*; do
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read -r db_ver db_rel < "$pkg/version"
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read -r re_ver re_rel < "$(pkg_find "${pkg##*/}")/version"
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# Compare installed packages to repository packages.
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[ "$db_ver-$db_rel" = "$re_ver-$re_rel" ] || {
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printf '%s\n' "${pkg##*/} $db_ver-$db_rel ==> $re_ver-$re_rel"
set -- "$@" "${pkg##*/}"
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}
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done
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set -f
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contains "$*" kiss && {
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log "Detected package manager update"
log "The package manager will be updated first"
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prompt
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pkg_build kiss
args i kiss
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log "Updated the package manager"
log "Re-run 'kiss update' to update your system"
exit 0
}
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[ "$1" ] || {
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log "Everything is up to date"
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return
}
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log "Packages to update: $*"
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# Build all packages requiring an update.
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# See [1] at top of script.
# shellcheck disable=2046,2086
{
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pkg_update=1
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pkg_order "$@"
pkg_build $order
}
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log "Updated all packages"
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}
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pkg_clean() {
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# Clean up on exit or error. This removes everything related to the build.
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[ "$KISS_DEBUG" != 1 ] || return
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# Create a list containing the current invocation's temporary files and
# directories.
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set +f -- "$mak_dir" "$pkg_dir" "$tar_dir"
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# Go through the cache and add any entries which don't belong to a
# currently running kiss instance.
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for dir in "$cac_dir/"[bep]*-[0-9]*; do
[ -e "/proc/${dir##*-}" ] || set -- "$@" "$dir"
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done
rm -rf -- "$@"
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}
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args() {
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# Parse script arguments manually. This is rather easy to do in our case
# since the first argument is always an "action" and the arguments that
# follow are all package names.
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action=$1
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shift "$(($# ? 1 : 0))"
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# Unless this is a search, sanitize the user's input. The call to
# 'pkg_find()' supports basic globbing, ensure input doesn't expand
# to anything except for when this behavior is needed.
#
# This handles the globbing characters '*', '!', '[' and ']' as per:
# https://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html
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[ "${action##[as]*}" ] && case "$*" in *\**|*\!*|*\[*|*\]*)
die "Arguments contain invalid characters: '!*[]' ($*)"
esac
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# CRUX style usage using the current directory as the name of the package
# to be operated on. This needs to sit before the 'as_root()' calls as
# they reset the current working directory during their invocations.
[ "$1" ] || case $action in b|build|c|checksum|i|install|r|remove)
export KISS_PATH=${PWD%/*}:$KISS_PATH
set -- "${PWD##*/}"
esac
# Rerun the script as root with a fixed environment if needed. We sadly
# can't run singular functions as root so this is needed.
case $action in a|alternatives|i|install|r|remove)
[ -z "$1" ] || [ -w "$KISS_ROOT/" ] || [ "$uid" = 0 ] || {
as_root HOME="$HOME" \
XDG_CACHE_HOME="$XDG_CACHE_HOME" \
KISS_PATH="$KISS_PATH" \
KISS_FORCE="$KISS_FORCE" \
KISS_ROOT="$KISS_ROOT" \
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KISS_CHOICE="$KISS_CHOICE" \
kiss "$action" "$@"
return
}
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esac
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2020-05-21 07:38:07 +00:00
# Actions can be abbreviated to their first letter. This saves keystrokes
# once you memorize the commands.
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case $action in
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a|alternatives)
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if [ "$1" = - ]; then
while read -r pkg path; do
pkg_swap "$pkg" "$path"
done
elif [ "$1" ]; then
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pkg_swap "$@"
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else
# Go over each alternative and format the file
# name for listing. (pkg_name>usr>bin>ls)
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set +f; for pkg in "$sys_db/../choices"/*; do
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printf '%s\n' "${pkg##*/}"
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done | sed 's|>| /|; s|>|/|g; /\*/d'
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fi
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;;
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c|checksum)
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for pkg do pkg_lint "$pkg" c; done
for pkg do pkg_sources "$pkg" c; done
for pkg do
repo_dir=$(pkg_find "$pkg")
# Support packages without sources. Simply do nothing.
[ -f "$repo_dir/sources" ] || {
log "$pkg" "No sources file, skipping checksums"
continue
}
pkg_checksums "$pkg" |
if touch "$repo_dir/checksums" 2>/dev/null; then
tee "$repo_dir/checksums"
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else
log "$pkg" "Need permissions to generate checksums"
file_owner "$repo_dir"
user=$user as_root tee "$repo_dir/checksums"
fi
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log "$pkg" "Generated checksums"
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done
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;;
i|install|r|remove)
pkg_order "$@"
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case $action in
i*) for pkg in $order; do pkg_install "$pkg"; done ;;
r*) for pkg in $redro; do pkg_remove "$pkg"; done
esac
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;;
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b|build) pkg_build "${@:?No packages installed}" ;;
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l|list) pkg_list "$@" ;;
u|update) pkg_updates ;;
s|search) for pkg do pkg_find "$pkg" all; done ;;
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v|version) printf '2.0.7\n' ;;
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2019-08-19 18:45:19 +00:00
h|help|-h|--help|'')
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log 'kiss [a|b|c|i|l|r|s|u|v] [pkg]...'
log 'alternatives List and swap to alternatives'
log 'build Build a package'
log 'checksum Generate checksums'
log 'install Install a package'
log 'list List installed packages'
log 'remove Remove a package'
log 'search Search for a package'
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log 'update Update the system'
log 'version Package manager version
'
log "Installed extensions (kiss-* in \$PATH)"
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# shellcheck disable=2046
# see [1] at top of script.
set -- $(KISS_PATH=$PATH pkg_find kiss-\* all -x)
# To align descriptions figure out which extension has the longest
# name by doing a simple 'name > max ? name : max' on the basename
# of the path with 'kiss-' stripped as well.
#
# This also removes any duplicates found in '$PATH', picking the
# first match.
for path do p=${path#*/kiss-}
case " $seen " in
*" $p "*) shift ;;
*) seen=" $seen $p " max=$((${#p} > max ? ${#p}+1 : max))
esac
done
# Print each extension, grab its description from the second line
# in the file and align the output based on the above max.
for path do
printf "%b->%b %-${max}s " "$lcol" "$lclr" "${path#*/kiss-}"
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sed -n 's/^# *//;2p' "$path"
done >&2
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;;
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*)
2020-05-08 15:48:16 +00:00
util=$(KISS_PATH=$PATH pkg_find "kiss-$action*" "" -x 2>/dev/null) ||
die "'kiss $action' is not a valid command"
"$util" "$@"
;;
2019-06-13 14:48:08 +00:00
esac
if [ -s "$log_dir/post-install-$time-$pid" ]; then
cat "$log_dir/post-install-$time-$pid"
log "Post-install log stored to $log_dir/post-install-$time-$pid"
fi
2019-06-13 14:48:08 +00:00
}
main() {
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# Globally disable globbing and enable exit-on-error.
set -ef
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# Die here if the user has no set KISS_PATH. This is a rare occurance as
# the environment variable should always be defined.
2020-03-21 11:29:56 +00:00
[ "$KISS_PATH" ] || die "\$KISS_PATH needs to be set"
# Allow the user to disable colors in output via an environment variable.
# Check this once so as to not slow down printing.
[ "$KISS_COLOR" = 0 ] || lcol='\033[1;33m' lcol2='\033[1;36m' lclr='\033[m'
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# The PID of the current shell process is used to isolate directories
# to each specific KISS instance. This allows multiple package manager
# instances to be run at once. Store the value in another variable so
# that it doesn't change beneath us.
pid=${KISS_PID:-$$}
2019-06-13 15:11:59 +00:00
2020-03-26 10:21:57 +00:00
# Force the C locale to speed up things like 'grep' which disable unicode
# etc when this is set. We don't need unicode and a speed up is always
# welcome.
2020-04-20 08:07:48 +00:00
export LC_ALL=C
2020-03-26 10:21:57 +00:00
2019-06-29 20:38:35 +00:00
# Catch errors and ensure that build files and directories are cleaned
# up before we die. This occurs on 'Ctrl+C' as well as success and error.
2019-06-29 20:38:35 +00:00
trap pkg_clean EXIT INT
2019-06-13 14:48:08 +00:00
2020-05-21 07:38:07 +00:00
# Figure out which 'sudo' command to use based on the user's choice or what
# is available on the system.
su=${KISS_SU:-$(command -v sudo || command -v doas)} || su=su
2020-05-21 07:38:07 +00:00
# Store the date and time of script invocation to be used as the name of
# the log files the package manager creates uring builds.
2020-01-30 11:43:30 +00:00
time=$(date '+%Y-%m-%d-%H:%M')
2020-01-28 08:08:15 +00:00
2020-02-10 18:02:45 +00:00
# Make note of the user's current ID to do root checks later on.
# This is used enough to warrant a place here.
uid=$(id -u)
2020-05-21 07:38:07 +00:00
# Make sure that the KISS_ROOT doesn't end with a '/'. This might break
# some operations if left unchecked.
KISS_ROOT=${KISS_ROOT%/}
2020-05-21 08:47:13 +00:00
# Define some paths which we will then use throughout the script.
2020-05-23 07:05:19 +00:00
sys_db=$KISS_ROOT/${pkg_db:=var/db/kiss/installed}
2019-09-10 12:43:34 +00:00
# This allows for automatic setup of a KISS chroot and will
# do nothing on a normal system.
mkdir -p "$KISS_ROOT/" 2>/dev/null ||:
2019-09-10 12:43:34 +00:00
2020-05-21 07:38:07 +00:00
# Create the required temporary directories and set the variables which
# point to them.
2020-05-12 07:38:38 +00:00
mkdir -p "${cac_dir:=${XDG_CACHE_HOME:-$HOME/.cache}/kiss}" \
2020-05-12 09:37:40 +00:00
"${mak_dir:=${KISS_TMPDIR:-$cac_dir}/build-$pid}" \
"${pkg_dir:=${KISS_TMPDIR:-$cac_dir}/pkg-$pid}" \
"${tar_dir:=${KISS_TMPDIR:-$cac_dir}/extract-$pid}" \
2019-07-21 10:10:51 +00:00
"${src_dir:=$cac_dir/sources}" \
2020-01-28 08:08:15 +00:00
"${log_dir:=$cac_dir/logs}" \
2020-02-19 22:57:12 +00:00
"${bin_dir:=$cac_dir/bin}"
2019-07-03 13:35:14 +00:00
2019-06-13 14:48:08 +00:00
args "$@"
}
main "$@"