1007 lines
32 KiB
Bash
Executable File
1007 lines
32 KiB
Bash
Executable File
#!/bin/sh -ef
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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://getkiss.org).
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#
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# This script runs with '-ef' meaning:
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# '-e': Abort on any non-zero exit code.
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# '-f': Disable globbing globally.
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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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# Dylan Araps.
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log() {
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# Print a message prettily.
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#
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# This function uses the literal escape character (Ctrl+V+Escape) as
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# a simple way of *safely* bypassing the escape sequence restrictions
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# on 'printf %s'. Cheeky, I know.
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#
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# '\033[1;32m' Set text to color '2' and make it bold.
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# '\033[m': Reset text formatting.
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# '${3:-->}': If the 3rd argument is missing, set prefix to '->'.
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# '${2:+[1;3Xm}': If the 2nd argument exists, set the text style of '$1'.
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# '$((${#1}%5+1))': Color the package name based on its length.
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# '${2:+[m}': If the 2nd argument exists, reset text formatting.
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printf '\033[1;33m%s \033[m%s\033[m %s\n' \
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"${3:-->}" "${2:+[1;3$((${#1}%5+1))m}$1${2:+[m}" "$2"
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}
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die() {
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# Print a message and exit with '1' (error).
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log "$1" "$2" "!>" >&2
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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
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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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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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read -r _
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}
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pkg_lint() {
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# Check that each mandatory file in the package entry exists.
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log "$1" "Checking repository files"
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repo_dir=$(pkg_find "$1")
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cd "$repo_dir" || die "'$repo_dir' not accessible"
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[ -f sources ] || die "$1" "Sources file not found"
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[ -x build ] || die "$1" "Build file not found or not executable"
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[ -s version ] || die "$1" "Version file not found or empty"
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read -r _ release < version
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[ "$release" ] || die "Release field not found in version file"
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}
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pkg_find() {
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# Figure out which repository a package belongs to by
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# searching for directories matching the package name
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# in $KISS_PATH/*.
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[ "$KISS_PATH" ] || die "\$KISS_PATH needs to be set"
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# Find the repository containing a package.
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# Searches installed packages if the package is absent
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# from the repositories.
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# See [1] at top of script.
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# shellcheck disable=2046,2086
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set -- "$1" $(IFS=:; find $KISS_PATH "$sys_db" -maxdepth 1 -name "$1")
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# A package may also not be found due to a repository not being
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# readable by the current user. Either way, we need to die here.
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[ "$2" ] || die "Package '$1' not in any repository"
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printf '%s\n' "$2"
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}
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pkg_list() {
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# List installed packages. As the format is files and
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# directories, this just involves a simple for loop and
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# file read.
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# Change directories to the database. This allows us to
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# avoid having to 'basename' each path. If this fails,
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# set '$1' to mimic a failed glob which indicates that
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# nothing is installed.
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cd "$sys_db" 2>/dev/null || set -- "$sys_db/"\*
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# Optional arguments can be passed to check for specific
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# packages. If no arguments are passed, list all. As we
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# loop over '$@', if there aren't any arguments we can
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# just set the directory contents to the argument list.
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[ "$1" ] || { set +f; set -f -- *; }
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# If the 'glob' above failed, exit early as there are no
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# packages installed.
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[ "$1" = "$sys_db/"\* ] && return 1
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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 "$pkg" ] || {
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log "Package '$pkg' is not installed"
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return 1
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}
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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_sources() {
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# Download any remote package sources. The existence of local
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# files is also checked.
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log "$1" "Downloading sources"
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# Store each downloaded source in a directory named after the
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# package it belongs to. This avoid conflicts between two packages
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# having a source of the same name.
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mkdir -p "$src_dir/$1" && cd "$src_dir/$1"
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repo_dir=$(pkg_find "$1")
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while read -r src _; do
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case $src in
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# Remote source.
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*://*)
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[ -f "${src##*/}" ] && {
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log "$1" "Found cached source '${src##*/}'"
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continue
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}
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wget "$src" || {
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rm -f "${src##*/}"
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die "$1" "Failed to download $src"
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}
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;;
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# Local source.
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*)
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[ -f "$repo_dir/$src" ] || die "$1" "No local file '$src'"
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log "$1" "Found local file '$src'"
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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_extract() {
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# Extract all source archives to the build directory and copy over
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# any local repository files.
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log "$1" "Extracting sources"
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repo_dir=$(pkg_find "$1")
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while read -r src dest; do
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mkdir -p "$mak_dir/$1/$dest" && cd "$mak_dir/$1/$dest"
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case $src in
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# Only 'tar' archives are currently supported for extraction.
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# Any other file-types are simply copied to '$mak_dir' which
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# allows for manual extraction.
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*://*.tar*|*://*.tgz)
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tar xf "$src_dir/$1/${src##*/}" --strip-components 1 \
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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.
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repo_dir=$(pkg_find "$1")
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# This does a depth-first search. The deepest dependencies are
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# listed first and then the parents in reverse order.
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contains "$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 "$1" >/dev/null) && return
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# Recurse through the dependencies of the child packages.
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while read -r dep _; do
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[ "${dep##\#*}" ] && pkg_depends "$dep"
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done 2>/dev/null < "$repo_dir/depends" ||:
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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 $1 "
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}
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}
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pkg_strip() {
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# Strip package binaries and libraries. This saves space on the
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# system as well as on the tar-balls we ship for installation.
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# Package has stripping disabled, stop here.
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[ -f "$(pkg_find "$1")/nostrip" ] && return
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log "$1" "Stripping binaries and libraries"
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# Strip only files matching the below ELF types.
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find "$pkg_dir/$1" -type f | while read -r file; do
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case $(readelf -h "$file" 2>/dev/null) in
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*" DYN "*) strip_opt=--strip-unneeded ;;
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*" EXEC "*) strip_opt=--strip-all ;;
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*" REL "*) strip_opt=--strip-debug ;;
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*) continue
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esac
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# Suppress errors here as some binaries and libraries may
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# fail to strip. This is OK.
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strip "$strip_opt" "$file" 2>/dev/null ||:
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done
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}
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pkg_fixdeps() {
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# Dynamically look for missing runtime dependencies by checking
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# each binary and library with 'ldd'. This catches any extra
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# libraries and or dependencies pulled in by the package's
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# build suite.
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log "$1" "Checking for missing dependencies"
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# Go to the directory containing the built package to
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# simplify path building.
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cd "$pkg_dir/$1/$pkg_db/$1"
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# Make a copy of the depends file if it exists to have a
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# reference to 'diff' against.
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[ -f depends ] && cp -f depends depends-copy
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# Get a list of binaries and libraries, false files
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# will be found, however it's faster to get 'ldd' to check
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# them anyway than to filter them out.
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find "$pkg_dir/$1" -type f 2>/dev/null | while read -r file; do
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# Run 'ldd' on the file and parse each line. The code
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# then checks to see which packages own the linked
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# libraries and it prints the result.
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ldd "$file" 2>/dev/null | while read -r dep; do
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# Skip lines containing 'ldd'.
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[ "${dep##*ldd*}" ] || continue
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# Extract the file path from 'ldd' output.
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dep=${dep#* => }
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dep=${dep% *}
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# Traverse symlinks to get the true path to the file.
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dep=$(readlink -f "$KISS_ROOT/${dep##$KISS_ROOT}")
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# Figure out which package owns the file.
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dep=$(set +f; grep -lFx "${dep##$KISS_ROOT}" "$sys_db/"*/manifest)
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# Extract package name from 'grep' match.
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dep=${dep%/*}
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dep=${dep##*/}
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case $dep in
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# Skip listing these packages as dependencies.
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musl|gcc|${PWD##*/}) ;;
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*) printf '%s\n' "$dep" ;;
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esac
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done ||:
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done >> depends-copy
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# Remove duplicate entries from the new depends file.
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# This remove duplicate lines looking *only* at the
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# first column.
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sort -u -k1,1 depends-copy > depends-new
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# Display a 'diff' of the new dependencies agaisnt
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# the old ones. '-N' treats non-existent files as blank.
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diff -N depends depends-new ||:
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# Do some clean up as this required a few temporary files.
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mv -f depends-new depends
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rm -f depends-copy
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}
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pkg_manifest() (
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# Generate the package's manifest file. This is a list of each file
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# and directory inside the package. The file is used when uninstalling
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# packages, checking for package conflicts and for general debugging.
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log "$1" "Generating manifest"
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# This funcion runs as a sub-shell to avoid having to 'cd' back to the
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# prior directory before being able to continue.
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cd "$pkg_dir/$1"
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# find: Print all files and directories and append '/' to directories.
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# sort: Sort the output in *reverse*. Directories appear *after* their
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# contents.
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# sed: Remove the first character in each line (./dir -> /dir).
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find . -mindepth 1 -type d -exec printf '%s/\n' {} + -or -print |
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sort -r | sed ss.ss > "$pkg_dir/$1/$pkg_db/$1/manifest"
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)
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pkg_tar() {
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# Create a tar-ball from the built package's files.
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# This tar-ball also contains the package's database entry.
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log "$1" "Creating tar-ball"
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# Read the version information to name the package.
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read -r version release < "$(pkg_find "$1")/version"
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# Create a tar-ball from the contents of the built package.
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tar zpcf "$bin_dir/$1#$version-$release.tar.gz" -C "$pkg_dir/$1" . ||
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die "$1" "Failed to create tar-ball"
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log "$1" "Successfully created tar-ball"
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}
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pkg_build() {
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# Build packages and turn them into packaged tar-balls. This function
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# also checks checksums, downloads sources and ensure all dependencies
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# are installed.
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pkg_build=1
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log "Resolving dependencies"
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for pkg; do
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contains "$explicit" "$pkg" || {
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pkg_depends "$pkg" explicit
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# Mark packages passed on the command-line
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# separately from those detected as dependencies.
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explicit="$explicit $pkg "
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}
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done
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explicit_build=$explicit
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# If an explicit package is a dependency of another explicit
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# package, remove it from the explicit list as it needs to be
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# installed as a dependency.
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for pkg; do
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# There's no better way to remove a word from a string in
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# POSIX 'sh' sadly.
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contains "$deps" "$pkg" &&
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explicit=$(echo "$explicit" | sed "s/ $pkg / /g")
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done
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# See [1] at top of script.
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# shellcheck disable=2046,2086
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set -- $deps $explicit
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log "Building: $*"
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# Only ask for confirmation if more than one package needs to be built.
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[ $# -gt 1 ] || [ "$pkg_update" ] && prompt
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log "Checking to see if any dependencies have already been built"
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log "Installing any pre-built dependencies"
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# Install any pre-built dependencies if they exist in the binary
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# directory and are up to date.
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for pkg; do
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# Don't check for a pre-built package if it was passed
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# to KISS directly.
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contains "$explicit_build" "$pkg" || {
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# Figure out the version and release.
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read -r version release < "$(pkg_find "$pkg")/version"
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# Install any pre-built binaries if they exist.
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# This calls 'args' to inherit a root check and call
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# to 'sudo' to elevate permissions.
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[ -f "$bin_dir/$pkg#$version-$release.tar.gz" ] && {
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log "$pkg" "Found pre-built binary, installing"
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(KISS_FORCE=1 args i "$bin_dir/$pkg#$version-$release.tar.gz")
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# Remove the now installed package from the build
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# list. No better way than using 'sed' in POSIX 'sh'.
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# See [1] at top of script.
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# shellcheck disable=2046,2086
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set -- $(echo " $* " | sed "s/ $pkg / /")
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}
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}
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done
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for pkg; do pkg_lint "$pkg"; done
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for pkg; do
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# Ensure that checksums exist prior to building the package.
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[ -f "$(pkg_find "$pkg")/checksums" ] || {
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log "$pkg" "Checksums are missing"
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# Instead of dying above, log it to the terminal. Also define a
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# variable so we *can* die after all checksum files have been
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# checked.
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no_sums="$no_sums$pkg "
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}
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done
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# Die here as packages without checksums were found above.
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[ "$no_sums" ] && die "Checksums missing, run 'kiss checksum ${no_sums% }'"
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for pkg; do pkg_sources "$pkg"; done
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# Verify all package checksums. This is achieved by generating
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# a new set of checksums and then comparing those with the old
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# set.
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for pkg; do
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pkg_checksums "$pkg" | cmp -s - "$(pkg_find "$pkg")/checksums" || {
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log "$pkg" "Checksum mismatch"
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# Instead of dying above, log it to the terminal. Also define a
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# variable so we *can* die after all checksum files have been
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# checked.
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mismatch="$mismatch$pkg "
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}
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done
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# Die here as packages with differing checksums were found above.
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[ "$mismatch" ] && die "Checksum mismatch with: ${mismatch% }"
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# Finally build and create tarballs for all passed packages and
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# dependencies.
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for pkg; do
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pkg_extract "$pkg"
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repo_dir=$(pkg_find "$pkg")
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# Install built packages to a directory under the package name
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# to avoid collisions with other packages.
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mkdir -p "$pkg_dir/$pkg/$pkg_db"
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# Move to the build directory.
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cd "$mak_dir/$pkg"
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# Call the build script.
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"$repo_dir/build" "$pkg_dir/$pkg" || die "$pkg" "Build failed"
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# Copy the repository files to the package directory.
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# This acts as the database entry.
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cp -Rf "$repo_dir" "$pkg_dir/$pkg/$pkg_db/"
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log "$pkg" "Successfully built package"
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# Create the manifest file early and make it empty.
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# This ensure that the manifest is added to the manifest...
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: > "$pkg_dir/$pkg/$pkg_db/$pkg/manifest"
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pkg_strip "$pkg"
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pkg_fixdeps "$pkg"
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pkg_manifest "$pkg"
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pkg_tar "$pkg"
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# Install only dependencies of passed packages.
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# Skip this check if this is a package update.
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contains "$explicit" "$pkg" && [ -z "$pkg_update" ] && continue
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log "$pkg" "Needed as a dependency or has an update, installing"
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(KISS_FORCE=1 args i "$pkg")
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done
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# End here as this was a system update and all packages have been installed.
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[ "$pkg_update" ] && return
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log "Successfully built package(s)"
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# Turn the explicit packages into a 'list'.
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# See [1] at top of script.
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# shellcheck disable=2046,2086
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set -- $explicit
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# Only ask for confirmation if more than one package needs to be installed.
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[ $# -gt 1 ] && {
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log "Install built packages? [$*]"
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prompt && {
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args i "$@"
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return
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}
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}
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log "Run 'kiss i $*' to install the package(s)"
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}
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pkg_checksums() {
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# Generate checksums for packages.
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repo_dir=$(pkg_find "$1")
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while read -r src _; do
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# File is local to the package.
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if [ -f "$repo_dir/$src" ]; then
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src_path=$repo_dir/${src%/*}
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# File is remote and was downloaded.
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elif [ -f "$src_dir/$1/${src##*/}" ]; then
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src_path=$src_dir/$1
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# Die here if source for some reason, doesn't exist.
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else
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die "$1" "Couldn't find source '$src'"
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fi
|
||
|
||
# An easy way to get 'sha256sum' to print with the 'basename'
|
||
# of files is to 'cd' to the file's directory beforehand.
|
||
(cd "$src_path" && sha256sum "${src##*/}") ||
|
||
die "$1" "Failed to generate checksums"
|
||
done < "$repo_dir/sources"
|
||
}
|
||
|
||
pkg_conflicts() {
|
||
# Check to see if a package conflicts with another.
|
||
log "$2" "Checking for package conflicts"
|
||
|
||
set +ef
|
||
|
||
# Extract manifest from tarball and only print files which
|
||
# exist in the filesystem. It's pointless to check for conflicts
|
||
# with files which don't presently exist.
|
||
tar xf "$1" -O "./$pkg_db/$2/manifest" | while read -r file; do
|
||
[ -f "$KISS_ROOT/$file" ] && printf '%s\n' "$file"
|
||
done |
|
||
|
||
# Filter the existing file list through the manifest of the
|
||
# presently installed version of the package (if it exists).
|
||
grep -svFxf "$sys_db/$2/manifest" - 2>/dev/null > "$cac_dir/$pid-m"
|
||
|
||
# If the generated manifest contains matches, check the
|
||
# contents for conflicts.
|
||
[ -s "$cac_dir/$pid-m" ] &&
|
||
grep -Fxf "$cac_dir/$pid-m" -- "$sys_db"/*/manifest &&
|
||
die "Package '$2' conflicts with another package"
|
||
|
||
set -ef
|
||
}
|
||
|
||
pkg_remove() {
|
||
# Remove a package and all of its files. The '/etc' directory
|
||
# is handled differently and configuration files are *not*
|
||
# overwritten.
|
||
|
||
# The package is not installed, don't do anything.
|
||
pkg_list "$1" >/dev/null || {
|
||
log "$1" "Not installed"
|
||
return
|
||
}
|
||
|
||
# Enable globbing.
|
||
set +f
|
||
|
||
# Make sure that nothing depends on this package.
|
||
[ "$2" = check ] && for file in "$sys_db/"*; do
|
||
# Check each depends file for the package and if it's
|
||
# a run-time dependency, append to the $required_by string.
|
||
grep -qFx "$1" "$file/depends" 2>/dev/null &&
|
||
required_by="$required_by'${file##*/}', "
|
||
done
|
||
|
||
# Disable globbing.
|
||
set -f
|
||
|
||
[ "$required_by" ] && die "$1" "Package is required by ${required_by%, }"
|
||
|
||
# Block being able to abort the script with 'Ctrl+C' during removal.
|
||
# Removes all risk of the user aborting a package removal leaving
|
||
# an incomplete package installed.
|
||
trap '' INT
|
||
|
||
while read -r file; do
|
||
# The file is in '/etc' skip it. This prevents the package
|
||
# manager from removing user edited configuration files.
|
||
[ "${file##/etc/*}" ] || continue
|
||
|
||
if [ -d "$KISS_ROOT/$file" ]; then
|
||
rmdir "$KISS_ROOT/$file" 2>/dev/null || continue
|
||
else
|
||
rm -f "$KISS_ROOT/$file"
|
||
fi
|
||
done < "$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 tar-ball.
|
||
|
||
# Install can also take the full path to a tar-ball.
|
||
# We don't need to check the repository if this is the case.
|
||
if [ -f "$1" ] && [ -z "${1%%*.tar.gz}" ] ; then
|
||
tar_file=$1
|
||
|
||
else
|
||
# Read the version information to name the package.
|
||
read -r version release < "$(pkg_find "$1")/version"
|
||
|
||
# Construct the name of the package tarball.
|
||
tar_name=$1\#$version-$release.tar.gz
|
||
|
||
[ -f "$bin_dir/$tar_name" ] ||
|
||
die "Package '$1' has not been built, run 'kiss build $1'"
|
||
|
||
tar_file=$bin_dir/$tar_name
|
||
fi
|
||
|
||
# Figure out which package the tar-ball installs by checking for
|
||
# a database entry inside the tar-ball. If no database entry exists,
|
||
# exit here as the tar-ball is *most likely* not a KISS package.
|
||
pkg_name=$(tar tf "$tar_file" | grep -x "\./$pkg_db/.*/version") ||
|
||
die "'${tar_file##*/}' is not a valid KISS package"
|
||
|
||
pkg_name=${pkg_name%/*}
|
||
pkg_name=${pkg_name##*/}
|
||
|
||
pkg_conflicts "$tar_file" "$pkg_name"
|
||
|
||
mkdir -p "$tar_dir/$pkg_name"
|
||
|
||
# Extract the tar-ball to catch any errors before installation begins.
|
||
tar pxf "$tar_file" -C "$tar_dir/$pkg_name" ||
|
||
die "$pkg_name" "Failed to extract tar-ball"
|
||
|
||
log "$pkg_name" "Checking that all dependencies are installed"
|
||
|
||
# Make sure that all run-time dependencies are installed prior to
|
||
# installing the package.
|
||
[ -f "$tar_dir/$pkg_name/$pkg_db/$pkg_name/depends" ] &&
|
||
[ -z "$KISS_FORCE" ] &&
|
||
while read -r dep dep_type; do
|
||
[ "${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 ${install_dep%, }"
|
||
|
||
log "$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 file.
|
||
old_manifest=$(cat "$sys_db/$pkg_name/manifest" 2>/dev/null ||:)
|
||
|
||
# This is repeated multiple times. Better to make it a function.
|
||
pkg_rsync() {
|
||
rsync --chown=root:root -WhHKa --no-compress "$1" --exclude etc \
|
||
"$tar_dir/$pkg_name/" "$KISS_ROOT/"
|
||
}
|
||
|
||
# Install the package by using 'rsync' and overwrite any existing files
|
||
# (excluding '/etc/').
|
||
pkg_rsync --info=progress2
|
||
|
||
# If '/etc/' exists in the package, install it but don't overwrite.
|
||
[ -d "$tar_dir/$pkg_name/etc" ] &&
|
||
rsync --chown=root:root -WhHKa --no-compress --ignore-existing \
|
||
"$tar_dir/$pkg_name/etc" "$KISS_ROOT/"
|
||
|
||
# Remove any leftover files if this is an upgrade.
|
||
[ "$old_manifest" ] && {
|
||
printf '%s\n' "$old_manifest" |
|
||
grep -vFxf "$sys_db/$pkg_name/manifest" - |
|
||
|
||
while read -r file; do
|
||
# Skip deleting some leftover files.
|
||
case $file in
|
||
/etc/*|*bin/rm|*bin/busybox|*bin/rsync) continue
|
||
esac
|
||
|
||
file=$KISS_ROOT/$file
|
||
|
||
# Remove files.
|
||
if [ -f "$file" ] && [ ! -L "$file" ]; then
|
||
rm -f "$file"
|
||
|
||
# Remove file symlinks.
|
||
elif [ -L "$file" ] && [ ! -d "$file" ]; then
|
||
unlink "$file" ||:
|
||
|
||
# Skip directory symlinks.
|
||
elif [ -L "$file" ] && [ -d "$file" ]; then :
|
||
|
||
# Remove directories if empty.
|
||
elif [ -d "$file" ]; then
|
||
rmdir "$file" 2>/dev/null ||:
|
||
fi
|
||
done ||:
|
||
}
|
||
|
||
# Install the package again to fix any non-leftover files being
|
||
# removed above.
|
||
pkg_rsync -v ||:
|
||
pkg_rsync -v ||:
|
||
|
||
# Reset 'trap' to its original value. Installation is done so
|
||
# we no longer need to block 'Ctrl+C'.
|
||
trap pkg_clean EXIT INT
|
||
|
||
if [ -x "$sys_db/$pkg_name/post-install" ]; then
|
||
log "$pkg_name" "Running post-install script"
|
||
"$sys_db/$pkg_name/post-install" ||:
|
||
fi
|
||
|
||
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 -- $KISS_PATH; IFS=$old_ifs; }
|
||
|
||
# Update each repository in '$KISS_PATH'. It is assumed that
|
||
# each repository is 'git' tracked.
|
||
for repo; do
|
||
cd "$repo"
|
||
|
||
# Go to the root of the repository (if it exists).
|
||
cd "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null ||:
|
||
|
||
[ -d .git ] || {
|
||
log "$repo" "Not a git repository, skipping"
|
||
continue
|
||
}
|
||
|
||
[ "$(git remote 2>/dev/null)" ] || {
|
||
log "$repo" "No remote, skipping"
|
||
continue
|
||
}
|
||
|
||
contains "$repos" "$PWD" || {
|
||
repos="$repos $PWD "
|
||
|
||
log "$PWD" "Updating repository"
|
||
|
||
if [ -w "$PWD" ]; then
|
||
git pull
|
||
else
|
||
log "$PWD" "Need root to update"
|
||
sudo git pull
|
||
fi
|
||
}
|
||
done
|
||
|
||
log "Checking for new package versions"
|
||
|
||
# Enable globbing.
|
||
set +f
|
||
|
||
for pkg in "$sys_db/"*; do
|
||
pkg_name=${pkg##*/}
|
||
|
||
# Read version and release information from the installed packages
|
||
# and repository.
|
||
read -r db_ver db_rel < "$pkg/version"
|
||
read -r re_ver re_rel < "$(pkg_find "$pkg_name")/version"
|
||
|
||
# Compare installed packages to repository packages.
|
||
[ "$db_ver-$db_rel" != "$re_ver-$re_rel" ] && {
|
||
printf '%s\n' "$pkg_name $db_ver-$db_rel ==> $re_ver-$re_rel"
|
||
outdated="$outdated$pkg_name "
|
||
}
|
||
done
|
||
|
||
# If the package manager has an update, handle it first.
|
||
contains "$outdated" kiss && {
|
||
log "Detected package manager update"
|
||
log "The package manager will be updated first"
|
||
|
||
prompt
|
||
|
||
pkg_build kiss
|
||
args i kiss
|
||
|
||
log "Updated the package manager"
|
||
log "Re-run 'kiss update' to update your system"
|
||
|
||
exit 0
|
||
}
|
||
|
||
# Disable globbing.
|
||
set -f
|
||
|
||
# End here if no packages have an update.
|
||
[ "$outdated" ] || {
|
||
log "Everything is up to date"
|
||
return
|
||
}
|
||
|
||
log "Packages to update: ${outdated% }"
|
||
|
||
# Tell 'pkg_build' to always prompt before build.
|
||
pkg_update=1
|
||
|
||
# Build all packages requiring an update.
|
||
# See [1] at top of script.
|
||
# shellcheck disable=2046,2086
|
||
pkg_build $outdated
|
||
|
||
log "Updated all packages"
|
||
}
|
||
|
||
pkg_clean() {
|
||
# Clean up on exit or error. This removes everything related
|
||
# to the build.
|
||
[ "$KISS_DEBUG" != 1 ] || return
|
||
|
||
# Block 'Ctrl+C' while cache is being cleaned.
|
||
trap '' INT
|
||
|
||
# Remove temporary items.
|
||
rm -rf -- "$mak_dir" "$pkg_dir" "$tar_dir" "$cac_dir/$pid-m"
|
||
}
|
||
|
||
args() {
|
||
# Parse script arguments manually. POSIX 'sh' has no 'getopts'
|
||
# or equivalent built in. 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=$1
|
||
|
||
# 'dash' exits on error here if 'shift' is used and there are zero
|
||
# arguments despite trapping the error ('|| :').
|
||
shift "$(($# > 0 ? 1 : 0))"
|
||
|
||
# Parse some arguments earlier to remove the need to duplicate code.
|
||
case $action in
|
||
c|checksum|s|search)
|
||
[ "$1" ] || die "'kiss $action' requires an argument"
|
||
;;
|
||
|
||
i|install|r|remove)
|
||
[ "$1" ] || die "'kiss $action' requires an argument"
|
||
|
||
# Rerun the script with 'sudo' if the user isn't root.
|
||
# Cheeky but 'sudo' can't be used on shell functions themselves.
|
||
[ "$(id -u)" = 0 ] || {
|
||
sudo -E KISS_FORCE="$KISS_FORCE" kiss "$action" "$@"
|
||
return
|
||
}
|
||
;;
|
||
esac
|
||
|
||
# Actions can be abbreviated to their first letter. This saves
|
||
# keystrokes once you memorize the commands.
|
||
case $action in
|
||
b|build)
|
||
# If no arguments were passed, rebuild all packages.
|
||
[ "$1" ] || {
|
||
cd "$sys_db" || die "Failed to find package db"
|
||
|
||
# Use a glob after 'cd' to generate a list of all installed
|
||
# packages based on directory names.
|
||
set +f; set -f -- *
|
||
|
||
# Undo the above 'cd' to ensure we stay in the same location.
|
||
cd - >/dev/null
|
||
}
|
||
|
||
pkg_build "$@"
|
||
;;
|
||
|
||
c|checksum)
|
||
for pkg; do pkg_lint "$pkg"; done
|
||
for pkg; do pkg_sources "$pkg"; done
|
||
for pkg; do
|
||
pkg_checksums "$pkg" > "$(pkg_find "$pkg")/checksums"
|
||
|
||
log "$pkg" "Generated checksums"
|
||
done
|
||
;;
|
||
|
||
i|install)
|
||
# Create a list of each package's dependencies.
|
||
for pkg; do
|
||
case $pkg in
|
||
*.tar.gz) deps="$deps $pkg " ;;
|
||
*) pkg_depends "$pkg" install
|
||
esac
|
||
done
|
||
|
||
# Filter the list, only installing explicit packages.
|
||
# The purpose of these two loops is to order the
|
||
# argument list based on dependence.
|
||
for pkg in $deps; do
|
||
! contains "$*" "$pkg" || pkg_install "$pkg"
|
||
done
|
||
;;
|
||
|
||
r|remove)
|
||
log "Removing packages"
|
||
|
||
# Create a list of each package's dependencies.
|
||
for pkg; do pkg_depends "$pkg" remove; done
|
||
|
||
# Reverse the list of dependencies filtering out anything
|
||
# not explicitly set for removal.
|
||
for pkg in $deps; do
|
||
contains "$*" "$pkg" && remove_pkgs="$pkg $remove_pkgs"
|
||
done
|
||
|
||
for pkg in $remove_pkgs; do
|
||
pkg_list "$pkg" >/dev/null ||
|
||
die "$pkg" "Not installed"
|
||
|
||
pkg_remove "$pkg" "${KISS_FORCE:-check}"
|
||
done
|
||
;;
|
||
|
||
l|list)
|
||
pkg_list "$@"
|
||
;;
|
||
|
||
u|update)
|
||
pkg_updates
|
||
;;
|
||
|
||
s|search)
|
||
for pkg; do pkg_find "$pkg"; done
|
||
;;
|
||
|
||
v|version|-v|--version)
|
||
log kiss 0.30.2
|
||
;;
|
||
|
||
h|help|-h|--help|'')
|
||
log 'kiss [b|c|i|l|r|s|u] [pkg] [pkg] [pkg]'
|
||
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: Check for updates'
|
||
;;
|
||
|
||
*) die "'kiss $action' is not a valid command" ;;
|
||
esac
|
||
}
|
||
|
||
main() {
|
||
# Set the location to the repository and package database.
|
||
pkg_db=var/db/kiss/installed
|
||
|
||
# The PID of the current shell process is used to isolate directories
|
||
# to each specific KISS instance. This allows multiple package manager
|
||
# instances to be run at once. Store the value in another variable so
|
||
# that it doesn't change beneath us.
|
||
pid=${KISS_PID:-$$}
|
||
|
||
# Store the original value of IFS so we can revert back to it if the
|
||
# variable is ever changed.
|
||
old_ifs=$IFS
|
||
|
||
# Catch errors and ensure that build files and directories are cleaned
|
||
# up before we die. This occurs on 'Ctrl+C' as well as success and error.
|
||
trap pkg_clean EXIT INT
|
||
|
||
# This allows for automatic setup of a KISS chroot and will
|
||
# do nothing on a normal system.
|
||
mkdir -p "${sys_db:=$KISS_ROOT/$pkg_db}" 2>/dev/null ||:
|
||
|
||
# Create the required temporary directories and set the variables
|
||
# which point to them.
|
||
mkdir -p "${cac_dir:=$KISS_ROOT${XDG_CACHE_HOME:-$HOME/.cache}/kiss}" \
|
||
"${mak_dir:=$cac_dir/build-$pid}" \
|
||
"${pkg_dir:=$cac_dir/pkg-$pid}" \
|
||
"${tar_dir:=$cac_dir/extract-$pid}" \
|
||
"${src_dir:=$cac_dir/sources}" \
|
||
"${bin_dir:=$cac_dir/bin}" \
|
||
|| die "Couldn't create cache directories"
|
||
|
||
args "$@"
|
||
}
|
||
|
||
main "$@"
|