forked from kiss-community/kiss
79ae82bd30
POSIX doesn't specify %*s for the printf command, with the rationale that one can just put the variable there in place, do that.
1606 lines
56 KiB
Bash
Executable File
1606 lines
56 KiB
Bash
Executable File
#!/bin/sh
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# shellcheck source=/dev/null
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#
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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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#
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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.
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#
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# Created by Dylan Araps.
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log() {
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# 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
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# output which is the only thing printed to stdout.
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#
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# The l<word> variables contain escape sequence which are defined
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# when '$KISS_COLOR' is equal to '1'.
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printf '%b%s %b%s%b %s\n' \
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"$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
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}
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contains() {
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# 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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}
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prompt() {
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# Ask the user for some input.
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[ "$1" ] && log "$1"
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log "Continue?: Press Enter to continue or Ctrl+C to abort here"
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# POSIX 'read' has none of the "nice" options like '-n', '-p'
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# etc etc. This is the most basic usage of 'read'.
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# '_' is used as 'dash' errors when no variable is given to 'read'.
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[ "$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.
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[ "$uid" = 0 ] || log "Using '${su:-su}' (to become ${user:=root})"
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case ${su##*/} in
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sudo) sudo -u "$user" -- env "$@" ;;
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doas) doas -u "$user" -- env "$@" ;;
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su) su -c "env $* <&3" "$user" 3<&0 </dev/tty ;;
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*) die "Invalid KISS_SU value: $su (valid: doas, sudo, su)"
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esac
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}
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file_owner() {
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# Grab the owner of the file/directory via 'ls -ld'. This is
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# fine despite the usual gabble about 'ls' and its usage in scripts.
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#
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# Grabbing permissions, ownership or symlink targets from 'ls -l'
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# output is totally fine and doesn't suffer from the disconnect
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# between the real and display representation of the information.
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#
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# Globbing is disabled and word splitting is intentional here.
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# shellcheck disable=2046
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set -- $(ls -ld "$1"); user=${3:-root}
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# If the owner's user ID doesn't exist, fallback to using 'root'.
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# This prevents the code from changing the permissions to something
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# wonky.
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id -u "$user" >/dev/null 2>&1 || user=root
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}
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run_hook() {
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# Provide a default post-build hook to remove files and directories
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# for things we don't support out of the box. One can simply define
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# their own hook to override this behavior.
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[ "${KISS_HOOK:-}" ] || {
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case $1 in post-build)
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rm -rf "$3/usr/share/gettext" "$3/usr/share/polkit-1" \
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"$3/usr/share/locale" "$3/usr/share/info"
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esac
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return 0
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}
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log "$2" "Running $1 hook"
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TYPE=$1 PKG=$2 DEST=$3 . "$KISS_HOOK"
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}
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decompress() {
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case $1 in
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*.bz2) bzip2 -d ;;
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*.lzma) lzma -dc ;;
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*.lz) lzip -dc ;;
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*.tar) cat ;;
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*.tgz|*.gz) gzip -d ;;
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*.xz|*.txz) xz -dcT 0 ;;
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*.zst) zstd -dc ;;
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esac < "$1"
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}
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sh256() {
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# There's no standard utility to generate sha256 checksums.
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# This is a simple wrapper around sha256sum, sha256, shasum,
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# openssl, digest, ... which will use whatever is available.
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#
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# All utilities must match 'sha256sum' output.
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#
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# Example: '<checksum> <file>'
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[ -e "$1" ] || return 0
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hash=$(sha256sum "$1" ||
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sha256 -r "$1" ||
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openssl dgst -sha256 -r "$1" ||
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shasum -a 256 "$1" ||
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digest -a sha256 "$1") 2>/dev/null
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printf '%s %s\n' "${hash%% *}" "$1"
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}
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pkg_lint() {
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log "$1" "Checking repository files"
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cd "$(pkg_find "$1")"
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read -r _ release 2>/dev/null < version || die "Version file not found"
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[ "$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"
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[ -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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}
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pkg_find() {
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# Figure out which repository a package belongs to by searching for
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# 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
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# 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
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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
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# 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
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# the first match.
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[ "$all" ] && printf '%s\n' "$@" || printf '%s\n' "$1"
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}
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pkg_list() {
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# List installed packages. As the format is files and directories, this
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# just involves a simple for loop and file read.
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cd "$sys_db" 2>/dev/null
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# Optional arguments can be passed to check for specific packages. If no
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# arguments are passed, list all.
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[ "$1" ] || { set +f; set -f -- *; }
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# Loop over each package and print its name and version.
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for pkg do
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[ -d "$pkg" ] || { log "$pkg" "not installed"; return 1; }
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read -r version 2>/dev/null < "$pkg/version" || version=null
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printf '%s\n' "$pkg $version"
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done
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}
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pkg_cache() {
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read -r version release 2>/dev/null < "$(pkg_find "$1")/version"
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set +f; set -f -- "$bin_dir/$1#$version-$release.tar."*
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tar_file=$1
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[ -f "$tar_file" ]
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}
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pkg_sources() {
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# Download any remote package sources. The existence of local files is
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# also checked.
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repo_dir=$(pkg_find "$1")
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# Support packages without sources. Simply do nothing.
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[ -f "$repo_dir/sources" ] || return 0
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log "$1" "Downloading sources"
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# Store each downloaded source in a directory named after the package it
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# belongs to. This avoid conflicts between two packages having a source
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# of the same name.
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mkdir -p "$src_dir/$1" && cd "$src_dir/$1"
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while read -r src dest || [ "$src" ]; do
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# Comment.
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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.
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elif [ -z "${src##git+*}" ]; then
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# This is a checksums check, skip it.
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[ "$2" ] && continue
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mkdir -p "$mak_dir/$1/$dest"
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# Run in a subshell to keep the variables, path and
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# argument list local to each loop iteration.
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(
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repo_src=${src##git+}
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log "$1" "Cloning ${repo_src%[@#]*}"
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# Git has no option to clone a repository to a
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# specific location so we must do it ourselves
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# beforehand.
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cd "$mak_dir/$1/$dest" 2>/dev/null || die
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# Clear the argument list as we'll be overwriting
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# it below based on what kind of checkout we're
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# dealing with.
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set -- "$repo_src"
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# If a branch was given, shallow clone it directly.
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# This speeds things up as we don't have to grab
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# a lot of unneeded commits.
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[ "${src##*@*}" ] ||
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set -- -b "${src##*@}" "${repo_src%@*}"
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# Maintain compatibility with older versions of
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# kiss by shallow cloning all branches. This has
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# the added benefit of allowing checkouts of
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# specific commits in specific branches.
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[ "${src##*#*}" ] ||
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set -- --no-single-branch "${repo_src%#*}"
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# Always do a shallow clone as we will unshallow it if
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# needed later (when a commit is desired).
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git clone --depth=1 "$@" .
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) || die "$1" "Failed to clone $src"
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# Remote source.
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elif [ -z "${src##*://*}" ]; then
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log "$1" "Downloading $src"
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curl "$src" -fLo "${src##*/}" || {
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rm -f "${src##*/}"
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die "$1" "Failed to download $src"
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}
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# Local source.
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elif [ -f "$repo_dir/$src" ]; then
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log "$1" "Found local file '$src'"
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else
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die "$1" "No local file '$src'"
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fi
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done < "$repo_dir/sources"
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}
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pkg_extract() {
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# Extract all source archives to the build directory and copy over any
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# local repository files.
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repo_dir=$(pkg_find "$1")
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# Support packages without sources. Simply do nothing.
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[ -f "$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.
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git+*\#*)
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log "Checking out ${src##*#}"
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# A commit was requested, unshallow the repository.
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# This will convert it to a regular repository with
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# full history.
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git fetch --unshallow
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# Try to checkout the repository. If we fail here,
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# the requested commit doesn't exist.
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git -c advice.detachedHead=false checkout "${src##*#}" ||
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die "Commit hash ${src##*#} doesn't exist"
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;;
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# Git repository, comment or blank line.
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git+*|\#*|'') continue ;;
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# Tarballs of any kind. This is a shell equivalent of
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# GNU tar's '--strip-components 1'.
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*://*.tar|*://*.tar.??|*://*.tar.???|*://*.tar.????|*://*.t?z)
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decompress "$src_dir/$1/${src##*/}" > .ktar
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tar xf .ktar ||
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die "$1" "Couldn't extract ${src##*/}"
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tar tf .ktar | while IFS=/ read -r dir _; do
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# Some tarballs contain './' as the top-level directory,
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# we need to skip these occurances.
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[ -d "${dir#.}" ] || continue
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# Move the directory to prevent naming conflicts between
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# the child and parent
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mv -f "$dir" "$$-$dir"
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# First attempt to move all files up a directory level,
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# if any files/directories fail (due to mv's lack of
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# directory merge capability), simply do the exercise
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# again and copy-merge the remaining files/directories.
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#
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# We can use '-exec {} +' with any arguments between
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# the '{}' and '+' as this is not POSIX. We must also
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# use '$0' and '$@' to reference all arguments.
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#
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# Using only '$@' causes a single file from each
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# invocation to be left out of the list. Weird, right?
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{
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find "$$-$dir/." ! -name . -prune \
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-exec sh -c 'mv -f "$0" "$@" .' {} + ||
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find "$$-$dir/." ! -name . -prune \
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-exec sh -c 'cp -fRp "$0" "$@" .' {} +
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} 2>/dev/null
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# Remove the directory now that all files have been
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# transferred out of it. This can't be a simple 'rmdir'
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# as we may leave files in here due to above.
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rm -rf "$$-$dir"
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done
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# Clean up after ourselves and remove the temporary tar
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# archive we've created. Not needed at all really.
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rm -f .ktar
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;;
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# Zip archives.
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*://*.zip)
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unzip "$src_dir/$1/${src##*/}" ||
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die "$1" "Couldn't extract ${src##*/}"
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;;
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*)
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# Local file.
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if [ -f "$repo_dir/$src" ]; then
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cp -f "$repo_dir/$src" .
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# Remote file.
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elif [ -f "$src_dir/$1/${src##*/}" ]; then
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cp -f "$src_dir/$1/${src##*/}" .
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else
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die "$1" "Local file $src not found"
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fi
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;;
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esac
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done < "$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
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# depth-first search. The deepest dependencies are listed first and then
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# the parents in reverse order.
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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" ] &&
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(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" ||:
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|
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# After child dependencies are added to the list,
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# add the package which depends on them.
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[ "$2" = explicit ] || deps="$deps $1 "
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}
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}
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pkg_order() {
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# Order a list of packages based on dependence and take into account
|
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# pre-built tarballs if this is to be called from 'kiss i'.
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order=; redro=; deps=
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|
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for pkg do case $pkg in
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*.tar.*) deps="$deps $pkg " ;;
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*) pkg_depends "$pkg" raw
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esac done
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|
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# Filter the list, only keeping explicit packages. The purpose of these
|
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# 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 "
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redro=" $pkg $redro"
|
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} done
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|
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deps=
|
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}
|
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|
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pkg_strip() {
|
||
# Strip package binaries and libraries. This saves space on the system as
|
||
# well as on the tarballs we ship for installation.
|
||
[ -f "$mak_dir/$pkg/nostrip" ] && return
|
||
|
||
log "$1" "Stripping binaries and libraries"
|
||
|
||
# Strip only files matching the below ELF types.
|
||
find "$pkg_dir/$1" -type f | while read -r file; do
|
||
case $(readelf -h "$file" 2>/dev/null) in
|
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*" DYN "*) strip_opt=unneeded ;;
|
||
*" EXEC "*) strip_opt=all ;;
|
||
*" REL "*) strip_opt=debug ;;
|
||
*) continue
|
||
esac
|
||
|
||
strip "--strip-$strip_opt" "$file" 2>/dev/null
|
||
done 2>/dev/null ||:
|
||
}
|
||
|
||
pkg_fixdeps() {
|
||
# 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.
|
||
log "$1" "Checking for missing dependencies"
|
||
|
||
# Go to the built package directory to simplify path building.
|
||
cd "$pkg_dir/$1/$pkg_db/$1"
|
||
|
||
# Generate a list of all installed manifests.
|
||
set +f; set -f -- "$sys_db/"*/manifest
|
||
|
||
# Make a copy of the depends file if it exists to have a reference to
|
||
# 'diff' against.
|
||
if [ -f depends ]; then
|
||
cp -f depends "$mak_dir/d"
|
||
dep_file=$mak_dir/d
|
||
else
|
||
dep_file=/dev/null
|
||
fi
|
||
|
||
# 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.
|
||
find "$pkg_dir/${PWD##*/}/" -type f 2>/dev/null |
|
||
|
||
while read -r file; do
|
||
# 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.
|
||
ldd "$file" 2>/dev/null | while read -r dep; do
|
||
# Skip lines containing 'ldd'.
|
||
[ "${dep##*ldd*}" ] || continue
|
||
|
||
# Extract the file path from 'ldd' output.
|
||
dep=${dep#* => } dep=${dep% *} old_PWD=$PWD
|
||
|
||
# False positive (we need to modify PWD).
|
||
# shellcheck disable=2030
|
||
cd -P "${dep%/*}" 2>/dev/null || PWD=${1%/*}
|
||
|
||
# 'ls' is used to obtain the target of the symlink.
|
||
#
|
||
# This is fine _despite_ the usual gaggle about 'ls' and its
|
||
# use in scripting. The POSIX specification states that the
|
||
# link target must be the exact contents of the link.
|
||
#
|
||
# The specification:
|
||
#
|
||
# > If the file is a symbolic link and the -L option is not
|
||
# specified, this information shall be about the link
|
||
# itself and the <pathname> field shall be of the form:
|
||
#
|
||
# > "%s -> %s", <pathname of link>, <contents of link>
|
||
lso=$(ls -ld "$PWD/${dep##*/}" 2>/dev/null) &&
|
||
case $lso in *' -> '*)
|
||
lso=${lso##*" -> "} dep=$PWD/${lso##*/}
|
||
esac
|
||
|
||
# We need to go back to where we came from as the old PWD
|
||
# stores the name of the current package.
|
||
cd "$old_PWD"
|
||
|
||
# Figure out which package owns the file.
|
||
own=$(grep -lFx "${dep##$KISS_ROOT}" "$@")
|
||
own=${own%/*} own=${own##*/}
|
||
|
||
# Skip listing these packages as dependencies.
|
||
case $own in musl|gcc|llvm|"${PWD##*/}"|"${PWD##*/}-bin"|"")
|
||
continue
|
||
esac
|
||
|
||
printf '%s\n' "$own"
|
||
done ||:
|
||
done >> depends
|
||
|
||
# Remove duplicate entries from the new depends file. This removes
|
||
# duplicate lines looking *only* at the first column.
|
||
sort -uk1,1 -o depends depends 2>/dev/null ||:
|
||
|
||
# Display a 'diff' of the new dependencies against the old ones.
|
||
diff -U 3 "$dep_file" depends ||:
|
||
|
||
# Remove the package's depends file if it's empty.
|
||
[ -s depends ] || rm -f depends
|
||
}
|
||
|
||
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.
|
||
log "$1" "Generating manifest"
|
||
|
||
# This function runs as a sub-shell to avoid having to 'cd' back to the
|
||
# prior directory before being able to continue.
|
||
cd "${2:-$pkg_dir}/$1"
|
||
|
||
# find: Print all files and directories and append '/' to directories.
|
||
# sort: Sort the output in *reverse*. Directories appear *after* their
|
||
# contents.
|
||
# sed: Remove the first character in each line (./dir -> /dir) and
|
||
# remove all lines which only contain '.'.
|
||
find . -type d -exec printf '%s/\n' {} + -o -print |
|
||
sort -r | sed '/^\.\/$/d;ss.ss' > "${2:-$pkg_dir}/$1/$pkg_db/$1/manifest"
|
||
)
|
||
|
||
pkg_etcsums() (
|
||
# Generate checksums for each configuration file in the package's /etc/
|
||
# directory for use in "smart" handling of these files.
|
||
log "$1" "Generating etcsums"
|
||
|
||
# This function runs as a sub-shell to avoid having to 'cd' back to the
|
||
# prior directory before being able to continue.
|
||
[ -d "$pkg_dir/$1/etc" ] || return 0
|
||
|
||
cd "$pkg_dir/$1"
|
||
|
||
find etc -type f | while read -r line; do
|
||
sh256 "$line"
|
||
done > "$pkg_dir/$1/$pkg_db/$1/etcsums"
|
||
)
|
||
|
||
pkg_tar() (
|
||
# Create a tarball from the built package's files. This tarball also
|
||
# contains the package's database entry.
|
||
log "$1" "Creating tarball"
|
||
|
||
# Read the version information to name the package.
|
||
read -r version release < "$(pkg_find "$1")/version"
|
||
|
||
# Use 'cd' to avoid needing tar's '-C' flag which may not be portable
|
||
# across implementations.
|
||
cd "$pkg_dir/$1"
|
||
|
||
# Create a tarball from the contents of the built package.
|
||
tar cf - . | case ${KISS_COMPRESS:=gz} in
|
||
bz2) bzip2 -z ;;
|
||
gz) gzip -6 ;;
|
||
lzma) lzma -z ;;
|
||
lz) lzip -z ;;
|
||
xz) xz -zT 0 ;;
|
||
zst) zstd -z ;;
|
||
esac > "$bin_dir/$1#$version-$release.tar.${KISS_COMPRESS:=gz}"
|
||
|
||
log "$1" "Successfully created tarball"
|
||
)
|
||
|
||
pkg_build() {
|
||
# Build packages and turn them into packaged tarballs.
|
||
pkg_build=1
|
||
|
||
log "Resolving dependencies"
|
||
|
||
# Mark packages passed on the command-line separately from those
|
||
# detected as dependencies. We need to treat explicitly passed packages
|
||
# differently from those pulled in as dependencies.
|
||
#
|
||
# This also resolves all dependencies and stores the result in '$deps'.
|
||
# Any duplicates are also filtered out.
|
||
for pkg do contains "$explicit" "$pkg" || {
|
||
pkg_depends "$pkg" explicit
|
||
explicit="$explicit $pkg "
|
||
} done
|
||
|
||
# If this is an update, don't always build explicitly passsed packages
|
||
# and instead install pre-built binaries if they exist.
|
||
[ "$pkg_update" ] || explicit_build=$explicit
|
||
|
||
# If an explicit package is a dependency of another explicit package,
|
||
# remove it from the explicit list as it needs to be installed as a
|
||
# dependency.
|
||
for pkg do contains "$deps" "$pkg" ||
|
||
explicit2=" $explicit2 $pkg "
|
||
done
|
||
explicit=$explicit2
|
||
|
||
# See [1] at top of script.
|
||
# shellcheck disable=2046,2086
|
||
set -- $deps $explicit
|
||
|
||
log "Building: $*"
|
||
|
||
# Only ask for confirmation if more than one package needs to be built.
|
||
[ $# -gt 1 ] || [ "$pkg_update" ] && prompt
|
||
|
||
for pkg do pkg_lint "$pkg"; done
|
||
|
||
log "Checking for pre-built dependencies"
|
||
|
||
# Install any pre-built dependencies if they exist in the binary
|
||
# directory and are up to date.
|
||
for pkg do ! contains "$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.
|
||
shift
|
||
} done
|
||
|
||
for pkg do pkg_sources "$pkg"; done
|
||
pkg_verify "$@"
|
||
|
||
# Finally build and create tarballs for all passed packages and
|
||
# dependencies.
|
||
for pkg do in=$((in + 1))
|
||
log "$pkg" "Building package ($in/$#)"
|
||
|
||
pkg_extract "$pkg"
|
||
repo_dir=$(pkg_find "$pkg")
|
||
|
||
# Install built packages to a directory under the package name to
|
||
# avoid collisions with other packages.
|
||
mkdir -p "$pkg_dir/$pkg/$pkg_db" "$mak_dir/$pkg"
|
||
cd "$mak_dir/$pkg"
|
||
|
||
# Log the version so we can pass it to the package build file.
|
||
read -r build_version _ < "$repo_dir/version"
|
||
|
||
log "$pkg" "Starting build"
|
||
run_hook pre-build "$pkg" "$pkg_dir/$pkg"
|
||
|
||
# Call the build script, log the output to the terminal and to a file.
|
||
# There's no PIPEFAIL in POSIX shelll so we must resort to tricks like
|
||
# killing the script ourselves.
|
||
{ "$repo_dir/build" "$pkg_dir/$pkg" "$build_version" 2>&1 || {
|
||
log "$pkg" "Build failed"
|
||
log "$pkg" "Log stored to $log_dir/$pkg-$time-$pid"
|
||
run_hook build-fail "$pkg" "$pkg_dir/$pkg"
|
||
pkg_clean
|
||
kill 0
|
||
} } | tee "$log_dir/$pkg-$time-$pid"
|
||
|
||
# Delete the log file if the build succeeded to prevent the directory
|
||
# from filling very quickly with useless logs.
|
||
[ "$KISS_KEEPLOG" = 1 ] || rm -f "$log_dir/$pkg-$time-$pid"
|
||
|
||
# Copy the repository files to the package directory. This acts as the
|
||
# database entry.
|
||
cp -LRf "$repo_dir" "$pkg_dir/$pkg/$pkg_db/"
|
||
|
||
# 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 {} +
|
||
|
||
log "$pkg" "Successfully built package"
|
||
run_hook post-build "$pkg" "$pkg_dir/$pkg"
|
||
|
||
# Create the manifest file early and make it empty. This ensures that
|
||
# the manifest is added to the manifest.
|
||
: > "$pkg_dir/$pkg/$pkg_db/$pkg/manifest"
|
||
|
||
# If the package contains '/etc', add a file called 'etcsums' to the
|
||
# manifest. See comment directly above.
|
||
[ -d "$pkg_dir/$pkg/etc" ] && : > "$pkg_dir/$pkg/$pkg_db/$pkg/etcsums"
|
||
|
||
pkg_strip "$pkg"
|
||
pkg_fixdeps "$pkg"
|
||
pkg_manifest "$pkg"
|
||
pkg_etcsums "$pkg"
|
||
pkg_tar "$pkg"
|
||
|
||
# Install only dependencies of passed packages. If this is an update,
|
||
# install the built package regardless.
|
||
contains "$explicit" "$pkg" && [ -z "$pkg_update" ] && continue
|
||
|
||
log "$pkg" "Needed as a dependency or has an update, installing"
|
||
(KISS_FORCE=1 args i "$pkg")
|
||
done
|
||
|
||
# End here as this was a system update and all packages have been installed.
|
||
[ "$pkg_update" ] && return
|
||
|
||
log "Successfully built package(s)"
|
||
|
||
# Turn the explicit packages into a 'list'.
|
||
# See [1] at top of script.
|
||
# shellcheck disable=2046,2086
|
||
set -- $explicit
|
||
|
||
# Only ask for confirmation if more than one package needs to be installed.
|
||
[ $# -gt 1 ] && prompt "Install built packages? [$*]" && {
|
||
args i "$@"
|
||
return
|
||
}
|
||
|
||
log "Run 'kiss i $*' to install the package(s)"
|
||
}
|
||
|
||
pkg_checksums() {
|
||
# Generate checksums for packages.
|
||
repo_dir=$(pkg_find "$1")
|
||
|
||
# Support packages without sources. Simply do nothing.
|
||
[ -f "$repo_dir/sources" ] || return 0
|
||
|
||
while read -r src _ || [ "$src" ]; do
|
||
# Comment.
|
||
if [ -z "${src##\#*}" ]; then
|
||
continue
|
||
|
||
# File is local to the package.
|
||
elif [ -f "$repo_dir/$src" ]; then
|
||
src_path=$repo_dir/${src%/*}
|
||
|
||
# File is remote and was downloaded.
|
||
elif [ -f "$src_dir/$1/${src##*/}" ]; then
|
||
src_path=$src_dir/$1
|
||
|
||
# File is a git repository.
|
||
elif [ -z "${src##git+*}" ]; then
|
||
printf 'git %s\n' "$src"
|
||
continue
|
||
|
||
# Die here if source for some reason, doesn't exist.
|
||
else
|
||
die "$1" "Couldn't find source '$src'"
|
||
fi
|
||
|
||
# An easy way to get 'sha256sum' to print with the 'basename'
|
||
# of files is to 'cd' to the file's directory beforehand.
|
||
(cd "$src_path" && sh256 "${src##*/}") ||
|
||
die "$1" "Failed to generate checksums"
|
||
done < "$repo_dir/sources"
|
||
}
|
||
|
||
pkg_verify() {
|
||
# 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 "$repo_dir/sources" ] || continue
|
||
|
||
pkg_checksums "$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
|
||
|
||
[ -z "$mismatch" ] || die "Checksum mismatch with: ${mismatch% }"
|
||
|
||
log "Verified all checksums"
|
||
}
|
||
|
||
pkg_conflicts() {
|
||
# Check to see if a package conflicts with another.
|
||
log "$1" "Checking for package conflicts"
|
||
|
||
# Filter the tarball's manifest and select only files. Resolve all
|
||
# symlinks in file paths as well.
|
||
while read -r file; do
|
||
# Skip all directories.
|
||
case $file in */) continue; esac
|
||
|
||
# False positive.
|
||
# shellcheck disable=2031
|
||
old_PWD=$PWD file=$KISS_ROOT/${file#/}
|
||
|
||
# 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%/*}
|
||
|
||
# Print the file with all symlinks in its path
|
||
# resolved to their real locations.
|
||
printf '%s\n' "${PWD#$KISS_ROOT}/${file##*/}"
|
||
|
||
cd "$old_PWD"
|
||
done < "$tar_dir/$1/$pkg_db/$1/manifest" > "$mak_dir/$pid-m"
|
||
|
||
p_name=$1
|
||
set +f
|
||
set -f "$sys_db"/*/manifest
|
||
|
||
# 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
|
||
# it cannot live in a function due to scoping.
|
||
for manifest do shift
|
||
[ "$sys_db/$p_name/manifest" = "$manifest" ] && continue
|
||
|
||
set -- "$@" "$manifest"
|
||
done
|
||
|
||
# Store the list of found conflicts in a file as we'll be using the
|
||
# information multiple times. Storing things in the cache dir allows
|
||
# us to be lazy as they'll be automatically removed on script end.
|
||
grep -Fxf "$mak_dir/$pid-m" -- "$@" 2>/dev/null > "$mak_dir/$pid-c" ||:
|
||
|
||
# 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'.
|
||
grep -q ":/var/db/kiss/installed/" "$mak_dir/$pid-c" || choice_auto=1
|
||
|
||
# Use 'grep' to list matching lines between the to
|
||
# be installed package's manifest and the above filtered
|
||
# list.
|
||
if [ "$KISS_CHOICE" != 0 ] && [ "$choice_auto" = 1 ]; then
|
||
|
||
# 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?
|
||
while IFS=: read -r _ con; do
|
||
printf '%s\n' "Found conflict $con"
|
||
|
||
# Create the "choices" directory inside of the tarball.
|
||
# This directory will store the conflicting file.
|
||
mkdir -p "$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)
|
||
con_name=$(printf %s "$con" | sed 's|/|>|g')
|
||
|
||
# Move the conflicting file to the choices directory
|
||
# and name it according to the format above.
|
||
mv -f "$tar_dir/$p_name/$con" \
|
||
"$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 $p_name. Contact the maintainer"
|
||
die "by finding their details via 'kiss-maintainer'" "" "!>"
|
||
}
|
||
done < "$mak_dir/$pid-c"
|
||
|
||
# Rewrite the package's manifest to update its location
|
||
# to its new spot (and name) in the choices directory.
|
||
pkg_manifest "$p_name" "$tar_dir" 2>/dev/null
|
||
|
||
elif [ -s "$mak_dir/$pid-c" ]; then
|
||
log "Package '$p_name' conflicts with another package" "" "!>"
|
||
log "Run 'KISS_CHOICE=1 kiss i $p_name' to add conflicts" "" "!>"
|
||
die "as alternatives." "" "!>"
|
||
fi
|
||
}
|
||
|
||
pkg_swap() {
|
||
# Swap between package alternatives.
|
||
pkg_list "$1" >/dev/null
|
||
|
||
alt=$(printf %s "$1$2" | sed 's|/|>|g')
|
||
cd "$sys_db/../choices"
|
||
|
||
[ -f "$alt" ] || [ -h "$alt" ] ||
|
||
die "Alternative '$1 $2' doesn't exist"
|
||
|
||
if [ -f "$2" ]; then
|
||
# Figure out which package owns the file we are going to swap for
|
||
# another package's. Print the full path to the manifest file which
|
||
# contains the match to our search.
|
||
pkg_owns=$(set +f; grep -lFx "$2" "$sys_db/"*/manifest) ||:
|
||
|
||
# Extract the package name from the path above.
|
||
pkg_owns=${pkg_owns%/*}
|
||
pkg_owns=${pkg_owns##*/}
|
||
|
||
# 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 '$1'"
|
||
|
||
# Convert the current owner to an alternative and rewrite its manifest
|
||
# file to reflect this.
|
||
cp -Pf "$KISS_ROOT/$2" "$pkg_owns>${alt#*>}"
|
||
|
||
# The separator is the ASCII unit separator which should be safe to
|
||
# use as files should never contain this character (I hope to god)..
|
||
sed "s^$2$${PWD#$KISS_ROOT}/$pkg_owns>${alt#*>}" \
|
||
"../installed/$pkg_owns/manifest" | sort -r > "$mak_dir/.$1"
|
||
|
||
mv -f "$mak_dir/.$1" "../installed/$pkg_owns/manifest"
|
||
fi
|
||
|
||
# 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/$2"
|
||
|
||
# The separator is the ASCII unit separator which should be safe to use
|
||
# as files should never contain this character (I hope to god).
|
||
sed "s${PWD#$KISS_ROOT}/$alt$2" \
|
||
"../installed/$1/manifest" | sort -r > "$mak_dir/.$1"
|
||
|
||
mv -f "$mak_dir/.$1" "../installed/$1/manifest"
|
||
}
|
||
|
||
pkg_install_files() {
|
||
# 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.
|
||
sort "$2/$pkg_db/${2##*/}/manifest" |
|
||
|
||
while read -r line; do
|
||
# Grab the octal permissions so that directory creation
|
||
# preserves permissions.
|
||
rwx=$(ls -ld "$2/$line") oct='' b='' o=0
|
||
|
||
# Convert the output of 'ls' (rwxrwx---) to octal. This is simply
|
||
# 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#?}
|
||
case $rwx in
|
||
[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 $line in /etc/*) ;;
|
||
*/)
|
||
# Skip directories if they already exist in the file system.
|
||
# (Think /usr/bin, /usr/lib, etc).
|
||
[ -d "$KISS_ROOT/$line" ] || mkdir -m "$oct" "$KISS_ROOT/$line"
|
||
;;
|
||
|
||
*) test "$1" "$KISS_ROOT/$line" ||
|
||
|
||
if [ -h "$2/$line" ]; then
|
||
# Skip symlinks which already exist as directories.
|
||
# (Think baselayout being updated)
|
||
[ -d "$KISS_ROOT/$line" ] && continue
|
||
|
||
cp -fPp "$2/$line" "$KISS_ROOT/$line"
|
||
chown -h "$USER:$USER" "$KISS_ROOT/$line"
|
||
else
|
||
cp -f "$2/$line" "$KISS_ROOT/$line"
|
||
chmod "$b$oct" "$KISS_ROOT/$line"
|
||
fi
|
||
esac
|
||
done
|
||
}
|
||
|
||
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 "$file" 2>/dev/null ||:
|
||
fi
|
||
done ||:
|
||
}
|
||
|
||
pkg_etc() (
|
||
[ -d "$tar_dir/$pkg_name/etc" ] || return 0
|
||
|
||
cd "$tar_dir/$pkg_name"
|
||
|
||
# Create all directories beforehand.
|
||
find etc -type d | while read -r dir; do
|
||
mkdir -p "$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 ||:
|
||
|
||
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 $file"
|
||
new=
|
||
;;
|
||
|
||
# All other cases.
|
||
*)
|
||
war "$pkg_name" "saving /$file as /$file.new"
|
||
new=.new
|
||
;;
|
||
esac
|
||
|
||
cp -fPp "$file" "$KISS_ROOT/${file}${new}"
|
||
chown root:root "$KISS_ROOT/${file}${new}" 2>/dev/null
|
||
done ||:
|
||
)
|
||
|
||
pkg_remove() {
|
||
# Remove a package and all of its files. The '/etc' directory is handled
|
||
# differently and configuration files are *not* overwritten.
|
||
pkg_list "$1" >/dev/null || return
|
||
|
||
# Make sure that nothing depends on this package.
|
||
[ "$KISS_FORCE" ] || {
|
||
log "$1" "Checking for reverse dependencies"
|
||
|
||
(cd "$sys_db"; set +f; grep -lFx "$1" -- */depends) &&
|
||
die "$1" "Can't remove package, others depend on it"
|
||
}
|
||
|
||
# Block being able to abort the script with 'Ctrl+C' during removal.
|
||
# Removes all risk of the user aborting a package removal leaving an
|
||
# incomplete package installed.
|
||
trap '' INT
|
||
|
||
if [ -x "$sys_db/$1/pre-remove" ]; then
|
||
log "$1" "Running pre-remove script"
|
||
"$sys_db/$1/pre-remove" ||:
|
||
fi
|
||
|
||
pkg_remove_files < "$sys_db/$1/manifest"
|
||
|
||
# Reset 'trap' to its original value. Removal is done so
|
||
# we no longer need to block 'Ctrl+C'.
|
||
trap pkg_clean EXIT INT
|
||
|
||
log "$1" "Removed successfully"
|
||
}
|
||
|
||
pkg_install() {
|
||
# Install a built package tarball.
|
||
#
|
||
# 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.
|
||
#
|
||
# When an installation is an update to an existing package, instead of
|
||
# removing the old version first we do something different.
|
||
#
|
||
# The new version is installed overwriting any files which it has in
|
||
# common with the previously installed version of the package.
|
||
#
|
||
# 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.
|
||
#
|
||
# 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.
|
||
#
|
||
# 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.
|
||
#
|
||
# 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.
|
||
|
||
# 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
|
||
tar_file=$1 pkg_name=${1##*/} pkg_name=${pkg_name%#*}
|
||
|
||
elif pkg_cache "$1" 2>/dev/null; then
|
||
pkg_name=$1
|
||
|
||
else
|
||
die "package has not been built, run 'kiss b pkg'"
|
||
fi
|
||
|
||
mkdir -p "$tar_dir/$pkg_name"
|
||
log "$pkg_name" "Extracting $tar_file"
|
||
|
||
# The tarball is extracted to a temporary directory where its contents are
|
||
# then "installed" to the filesystem. Running this step as soon as possible
|
||
# allows us to also check the validity of the tarball and bail out early
|
||
# if needed.
|
||
(
|
||
cd "$tar_dir/$pkg_name"
|
||
|
||
decompress "$tar_file" | tar xf -
|
||
)
|
||
|
||
# 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 "'${tar_file##*/}' is not a valid KISS package"
|
||
|
||
# Ensure that the tarball's manifest is correct by checking that each file
|
||
# and directory inside of it actually exists.
|
||
[ "$KISS_FORCE" = 1 ] || {
|
||
log "$pkg_name" "Checking that manifest is valid"
|
||
while read -r line; do
|
||
[ -h "$tar_dir/$pkg_name/$line" ] ||
|
||
[ -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"
|
||
[ -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 ${install_dep%, }"
|
||
}
|
||
|
||
run_hook pre-install "$pkg_name" "$tar_dir/$pkg_name"
|
||
pkg_conflicts "$pkg_name"
|
||
|
||
log "$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
|
||
|
||
# If the package is already installed (and this is an upgrade) make a
|
||
# backup of the manifest and etcsums files.
|
||
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.
|
||
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 $file.new to avoid deleting user configuration? etc.
|
||
#
|
||
# This is more or less similar to Arch Linux's Pacman with the user manually
|
||
# handling the .new files when and if they appear.
|
||
pkg_etc
|
||
|
||
# This is the aforementioned step removing any files from the old version of
|
||
# the package if the installation is an update. Each file type has to be
|
||
# specially handled to ensure no system breakage occurs.
|
||
#
|
||
# Files in /etc/ are skipped entirely as they'll be handled via a 3-way
|
||
# checksum system due to the nature of their existence.
|
||
grep -vFxf "$sys_db/$pkg_name/manifest" "$mak_dir/m" 2>/dev/null |
|
||
pkg_remove_files
|
||
|
||
# Install the package's files a second time to fix any mess caused by the
|
||
# above removal of the previous version of the package.
|
||
log "$pkg_name" "Verifying installation"
|
||
pkg_install_files -e "$tar_dir/$pkg_name"
|
||
|
||
# Reset 'trap' to its original value. Installation is done so we no longer
|
||
# need to block 'Ctrl+C'.
|
||
trap pkg_clean EXIT INT
|
||
|
||
if [ -x "$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-$pid" >/dev/null
|
||
|
||
run_hook post-install "$pkg_name" "$sys_db/$pkg_name"
|
||
|
||
log "$pkg_name" "Installed successfully"
|
||
}
|
||
|
||
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.
|
||
log "Updating repositories"
|
||
|
||
# Create a list of all repositories.
|
||
# See [1] at top of script.
|
||
# shellcheck disable=2046,2086
|
||
{ IFS=:; set -- $KISS_PATH; unset IFS; }
|
||
|
||
# Update each repository in '$KISS_PATH'.
|
||
for repo do
|
||
# Go to the root of the repository (if it exists).
|
||
cd "$repo"
|
||
cd "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null ||:
|
||
|
||
[ "$(git remote 2>/dev/null)" ] || {
|
||
log "$repo" " "
|
||
printf '%s\n' "No remote or not git repository, skipping."
|
||
continue
|
||
}
|
||
|
||
contains "$repos" "$PWD" || {
|
||
repos="$repos $PWD "
|
||
|
||
# Display a tick if signing is enabled for this
|
||
# repository.
|
||
case $(git config merge.verifySignatures) in
|
||
true) log "$PWD" "[signed ✓] " ;;
|
||
*) log "$PWD" " " ;;
|
||
esac
|
||
|
||
if [ -w "$PWD" ] && [ "$uid" != 0 ]; then
|
||
git fetch
|
||
git merge
|
||
git submodule update --remote --init -f
|
||
|
||
else
|
||
[ "$uid" = 0 ] || log "$PWD" "Need root to update"
|
||
|
||
# Find out the owner of the repository and spawn
|
||
# git as this user below.
|
||
#
|
||
# This prevents 'git' from changing the original
|
||
# ownership of files and directories in the rare
|
||
# case that the repository is owned by a 3rd user.
|
||
(
|
||
file_owner "$PWD"
|
||
|
||
# We're in a repository which is owned by a 3rd
|
||
# user. Not root or the current user.
|
||
[ "$user" = root ] ||
|
||
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"
|
||
)
|
||
fi
|
||
}
|
||
done
|
||
|
||
log "Checking for new package versions"
|
||
|
||
set +f --
|
||
|
||
for pkg in "$sys_db/"*; do
|
||
read -r db_ver db_rel < "$pkg/version"
|
||
read -r re_ver re_rel < "$(pkg_find "${pkg##*/}")/version"
|
||
|
||
# Compare installed packages to repository packages.
|
||
[ "$db_ver-$db_rel" = "$re_ver-$re_rel" ] || {
|
||
printf '%s\n' "${pkg##*/} $db_ver-$db_rel ==> $re_ver-$re_rel"
|
||
set -- "$@" "${pkg##*/}"
|
||
}
|
||
done
|
||
|
||
set -f
|
||
|
||
contains "$*" kiss && {
|
||
log "Detected package manager update"
|
||
log "The package manager will be updated first"
|
||
|
||
prompt
|
||
|
||
pkg_build kiss
|
||
args i kiss
|
||
|
||
log "Updated the package manager"
|
||
log "Re-run 'kiss update' to update your system"
|
||
|
||
exit 0
|
||
}
|
||
|
||
[ "$1" ] || {
|
||
log "Everything is up to date"
|
||
return
|
||
}
|
||
|
||
log "Packages to update: $*"
|
||
|
||
# Build all packages requiring an update.
|
||
# See [1] at top of script.
|
||
# shellcheck disable=2046,2086
|
||
{
|
||
pkg_update=1
|
||
pkg_order "$@"
|
||
pkg_build $order
|
||
}
|
||
|
||
log "Updated all packages"
|
||
}
|
||
|
||
pkg_clean() {
|
||
# Clean up on exit or error. This removes everything related to the build.
|
||
[ "$KISS_DEBUG" != 1 ] || return
|
||
|
||
# Create a list containing the current invocation's temporary files and
|
||
# directories.
|
||
set +f -- "$mak_dir" "$pkg_dir" "$tar_dir"
|
||
|
||
# Go through the cache and add any entries which don't belong to a
|
||
# currently running kiss instance.
|
||
for dir in "$cac_dir/"[bep]*-[0-9]*; do
|
||
[ -e "/proc/${dir##*-}" ] || set -- "$@" "$dir"
|
||
done
|
||
|
||
rm -rf -- "$@"
|
||
}
|
||
|
||
args() {
|
||
# 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.
|
||
action=$1
|
||
shift "$(($# ? 1 : 0))"
|
||
|
||
# Unless this is a search, sanitize the user's input. The call to
|
||
# 'pkg_find()' supports basic globbing, ensure input doesn't expand
|
||
# to anything except for when this behavior is needed.
|
||
#
|
||
# This handles the globbing characters '*', '!', '[' and ']' as per:
|
||
# https://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html
|
||
[ "${action##[as]*}" ] && case "$*" in *\**|*\!*|*\[*|*\]*)
|
||
die "Arguments contain invalid characters: '!*[]' ($*)"
|
||
esac
|
||
|
||
# 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" \
|
||
kiss "$action" "$@"
|
||
|
||
return
|
||
}
|
||
esac
|
||
|
||
# Actions can be abbreviated to their first letter. This saves keystrokes
|
||
# once you memorize the commands.
|
||
case $action in
|
||
a|alternatives)
|
||
if [ "$1" = - ]; then
|
||
while read -r pkg path; do
|
||
pkg_swap "$pkg" "$path"
|
||
done
|
||
|
||
elif [ "$1" ]; then
|
||
pkg_swap "$@"
|
||
|
||
else
|
||
# Go over each alternative and format the file
|
||
# name for listing. (pkg_name>usr>bin>ls)
|
||
set +f; for pkg in "$sys_db/../choices"/*; do
|
||
printf '%s\n' "${pkg##*/}"
|
||
done | sed 's|>| /|; s|>|/|g; /\*/d'
|
||
fi
|
||
;;
|
||
|
||
c|checksum)
|
||
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 "$repo_dir/checksums"
|
||
|
||
else
|
||
log "$pkg" "Need permissions to generate checksums"
|
||
|
||
file_owner "$repo_dir"
|
||
pkg_checksums "$pkg" |
|
||
|
||
user=$user as_root tee "$repo_dir/checksums"
|
||
fi
|
||
|
||
log "$pkg" "Generated checksums"
|
||
done
|
||
;;
|
||
|
||
i|install|r|remove)
|
||
pkg_order "$@"
|
||
|
||
case $action in
|
||
i*) for pkg in $order; do pkg_install "$pkg"; done ;;
|
||
r*) for pkg in $redro; do pkg_remove "$pkg"; done
|
||
esac
|
||
;;
|
||
|
||
b|build) pkg_build "${@:?No packages installed}" ;;
|
||
l|list) pkg_list "$@" ;;
|
||
u|update) pkg_updates ;;
|
||
s|search) for pkg do pkg_find "$pkg" all; done ;;
|
||
v|version) printf '2.0.7\n' ;;
|
||
|
||
h|help|-h|--help|'')
|
||
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'
|
||
log 'update Update the system'
|
||
log 'version Package manager version
|
||
'
|
||
|
||
log "Installed extensions (kiss-* in \$PATH)"
|
||
|
||
set --
|
||
|
||
for path in $(KISS_PATH=$PATH pkg_find kiss-\* all -x); do
|
||
[ -x "$path" ] && set -- "${path#*/kiss-}" "$@"
|
||
max=$((${#1} > max ? ${#1} : max))
|
||
done
|
||
|
||
for path do
|
||
printf "%b->%b %-${max}s " "$lcol" "$lclr" "${path#*/kiss-}"
|
||
sed -n 's/^# *//;2p' "$(command -v "kiss-$path")"
|
||
done | sort -uk1 >&2
|
||
;;
|
||
|
||
*)
|
||
util=$(KISS_PATH=$PATH pkg_find "kiss-$action*" "" -x 2>/dev/null) ||
|
||
die "'kiss $action' is not a valid command"
|
||
|
||
"$util" "$@"
|
||
;;
|
||
esac
|
||
|
||
if [ -s "$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-$pid"
|
||
fi
|
||
}
|
||
|
||
main() {
|
||
# Globally disable globbing and enable exit-on-error.
|
||
set -ef
|
||
|
||
# Die here if the user has no set KISS_PATH. This is a rare occurance as
|
||
# the environment variable should always be defined.
|
||
[ "$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.
|
||
[ "$KISS_COLOR" = 0 ] || lcol='\033[1;33m' lcol2='\033[1;36m' lclr='\033[m'
|
||
|
||
# The PID of the current shell process is used to isolate directories
|
||
# to each specific KISS instance. This allows multiple package manager
|
||
# instances to be run at once. Store the value in another variable so
|
||
# that it doesn't change beneath us.
|
||
pid=${KISS_PID:-$$}
|
||
|
||
# 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.
|
||
export LC_ALL=C
|
||
|
||
# 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.
|
||
trap pkg_clean EXIT INT
|
||
|
||
# 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
|
||
|
||
# Store the date and time of script invocation to be used as the name of
|
||
# the log files the package manager creates uring builds.
|
||
time=$(date '+%Y-%m-%d-%H:%M')
|
||
|
||
# Make note of the user's current ID to do root checks later on.
|
||
# This is used enough to warrant a place here.
|
||
uid=$(id -u)
|
||
|
||
# Make sure that the KISS_ROOT doesn't end with a '/'. This might break
|
||
# some operations if left unchecked.
|
||
KISS_ROOT=${KISS_ROOT%/}
|
||
|
||
# Define some paths which we will then use throughout the script.
|
||
pkg_db=var/db/kiss/installed
|
||
sys_db=$KISS_ROOT/$pkg_db
|
||
|
||
# This allows for automatic setup of a KISS chroot and will
|
||
# do nothing on a normal system.
|
||
mkdir -p "$KISS_ROOT/" 2>/dev/null ||:
|
||
|
||
# Create the required temporary directories and set the variables which
|
||
# point to them.
|
||
mkdir -p "${cac_dir:=${XDG_CACHE_HOME:-$HOME/.cache}/kiss}" \
|
||
"${mak_dir:=${KISS_TMPDIR:-$cac_dir}/build-$pid}" \
|
||
"${pkg_dir:=${KISS_TMPDIR:-$cac_dir}/pkg-$pid}" \
|
||
"${tar_dir:=${KISS_TMPDIR:-$cac_dir}/extract-$pid}" \
|
||
"${src_dir:=$cac_dir/sources}" \
|
||
"${log_dir:=$cac_dir/logs}" \
|
||
"${bin_dir:=$cac_dir/bin}"
|
||
|
||
args "$@"
|
||
}
|
||
|
||
main "$@"
|