forked from kiss-community/kiss
913 lines
30 KiB
Bash
Executable File
913 lines
30 KiB
Bash
Executable File
#!/bin/sh -e
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#
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# This is a simple package manager written in POSIX 'sh' for
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# KISS Linux utilizing the core UNIX utilities where needed.
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#
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# The script runs with 'set -e' enabled. It will exit on any
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# non-zero return code. This ensures that no function continues
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# if it fails at any point.
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#
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# Keep in mind that this involves extra code in the case where
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# an error is optional or required.
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#
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# Where possible the package manager should "error first".
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# Check things first, die if necessary and continue if all is well.
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#
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# The code below conforms to shellcheck's rules. However, some
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# lint errors *are* disabled as they relate to unexpected
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# behavior (which we do expect).
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#
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# KISS is available under the MIT license.
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#
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# - Dylan Araps.
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die() {
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# Print a message and exit with '1' (error).
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printf '\033[31m!>\033[m %s\n' "$@" >&2
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exit 1
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}
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log() {
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# Print a message with a colorful arrow to distinguish
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# from other output.
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printf '\033[32m=>\033[m %s\n' "$@"
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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_search "$1")
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cd "$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 "[$1]: Version file not found or empty."
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# Ensure that the release field in the version file is set
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# to something.
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read -r _ rel < version
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[ "$rel" ] || die "Release field not found in version file."
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# Unset this variable so it isn't used again on a failed
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# source. There's no 'local' keyword in POSIX sh.
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rel=
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}
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pkg_search() {
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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" ] || \
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die "\$KISS_PATH needs to be set." \
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"Example: KISS_PATH=/packages/core:/packages/extra:/packages/xorg" \
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"Repositories will be searched in the configured order." \
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"The variable should work just like \$PATH."
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# Disable globbing with 'set -f' to ensure that the unquoted
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# variable doesn't expand into anything nasty.
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# shellcheck disable=2086,2046
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{
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set -f
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set -- "$1" $(IFS=:; find $KISS_PATH -maxdepth 1 -name "$1")
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set +f
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}
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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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[ -z "$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 '$1' to mimic a failed glob which indicates that
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# nothing is installed.
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cd "$KISS_ROOT/var/db/kiss/" 2>/dev/null ||
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set -- "$KISS_ROOT/var/db/kiss/"\*
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# Optional arguments can be passed to check for specific
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# packages. If no arguments are passed, list all. As we
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# loop over '$@', 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 -- *
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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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[ "$1" = "$KISS_ROOT/var/db/kiss/"\* ] && return 1
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# Loop over each version file and warn if one doesn't exist.
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# Also warn if a package is missing its version file.
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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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[ -f "$pkg/version" ] || {
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log "Warning: Package '$pkg' has no version file."
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continue
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}
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read -r version release < "$pkg/version" &&
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printf '%s\n' "$pkg $version-$release"
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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 "[$1]: Downloading sources..."
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# Store each downloaded source in named after the package it
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# belongs to. This avoid conflicts between two packages having a
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# source of the same name.
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mkdir -p "$src_dir/$1" && cd "$src_dir/$1"
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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$1")
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while read -r src _; do
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case $src in
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# Git repository.
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git:*)
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git clone "${src##git:}" "$mak_dir"
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;;
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# Remote source.
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*://*)
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[ -f "${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 $src."
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}
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;;
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# Local files (Any source that is non-remote is assumed to be local).
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*)
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[ -f "$repo_dir/$src" ] ||
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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 "[$1]: Extracting sources..."
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# Store each downloaded source in named after the package it
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# belongs to. This avoid conflicts between two packages having a
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# source of the same name.
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mkdir -p "$mak_dir/$1" && cd "$mak_dir/$1"
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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$1")
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while read -r src dest; do
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mkdir -p "./$dest"
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case $src in
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# Do nothing as git repository was downloaded to the build
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# directory directly.
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git:*) ;;
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# Only 'tar' archives are currently supported for extraction.
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# Any other file-types are simply copied to '$mak_dir' which
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# allows you to extract them manually.
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*://*.tar*|*://*.tgz)
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tar xf "$src_dir/$1/${src##*/}" -C "./$dest" \
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--strip-components 1 \
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|| die "[$1]: Couldn't extract ${src##*/}."
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;;
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# Local files (Any source that is non-remote is assumed to be local).
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*)
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[ -f "$repo_dir/$src" ] ||
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die "[$1]: Local file $src not found."
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cp -f "$repo_dir/$src" "./$dest"
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;;
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esac
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done < "$repo_dir/sources"
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}
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pkg_depends() {
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# Resolve all dependencies and install them in the right order.
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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$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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if pkg_list "$1" >/dev/null; then
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# If a package is already installed but 'pkg_depends' was
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# given an argument, add it to the list anyway.
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[ "$2" ] && missing_deps="$missing_deps $1 "
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else
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case $missing_deps in
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# Dependency is already in list, skip it.
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*" $1 "*) ;;
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*)
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# Recurse through the dependencies of the child
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# packages. Keep doing this.
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[ -f "$repo_dir/depends" ] &&
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while read -r dep _; do
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pkg_depends "$dep" ||:
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done < "$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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missing_deps="$missing_deps $1 "
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;;
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esac
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fi
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}
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pkg_verify() {
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# Verify all package checksums. This is achieved by generating
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# a new set of checksums and then comparing those with the old
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# set.
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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$1")
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# Generate a second set of checksums to compare against the
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# repository's checksums for the package.
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pkg_checksums .checksums "$1"
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# Compare the checksums using 'cmp'.
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cmp -s "$repo_dir/.checksums" "$repo_dir/checksums" || {
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log "[$1]: Checksum mismatch."
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# Instead of dying above, log it to the terminal. Also define a
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# variable so we *can* die after all checksum files have been
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# checked.
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mismatch="$mismatch$1 "
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}
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# The second set of checksums use a temporary file, we need to
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# delete it.
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rm -f "$repo_dir/.checksums"
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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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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$1")
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# Package has stripping disabled, stop here.
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[ -f "$repo_dir/nostrip" ] && return
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log "[$1]: Stripping binaries and libraries..."
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find "$pkg_dir/$1" -type f | while read -r binary; do
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case $(file -bi "$binary") in
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application/x-sharedlib*|application/x-pie-executable*)
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strip_opts=--strip-unneeded
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;;
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application/x-archive*) strip_opts=--strip-debug ;;
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application/x-executable*) strip_opts=--strip-all ;;
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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 "$strip_opts" "$binary" 2>/dev/null ||:
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done
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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/$1"
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# Find all files and directories in the package. Directories are printed
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# with a trailing forward slash '/'. The list is then reversed with
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# directories appearing *after* their contents.
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find . -mindepth 1 -type d -exec printf '%s/\n' {} + -or -print |
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sort -r | sed -e ss.ss > "$pkg_dir/$1/var/db/kiss/$1/manifest"
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log "[$1]: Generated 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 "[$1]: Creating tar-ball..."
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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$1")
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# Read the version information to name the package.
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read -r version release < "$repo_dir/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 "[$1]: Successfully created tar-ball."
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}
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pkg_build() {
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# Build packages and turn them into packaged tar-balls. This function
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# also checks checksums, downloads sources and ensure all dependencies
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# are installed.
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# Resolve dependencies and generate a list.
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# Send 'force' to 'pkg_depends' to always include the explicitly
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# requested packages.
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log "Resolving dependencies..."
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for pkg; do pkg_depends "$pkg" force; done
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# Store the explicit packages so we can handle them differently
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# below. Dependencies are automatically installed but packages
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# passed to KISS aren't.
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explicit_packages=" $* "
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# Disable globbing with 'set -f' to ensure that the unquoted
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# variable doesn't expand into anything nasty.
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# shellcheck disable=2086,2046
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{
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# Set the resolved dependency list as the function's arguments.
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set -f
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set -- $missing_deps
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set +f
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}
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log "Building: $*."
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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 pre-built package if it was passed to KISS
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# directly.
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case $explicit_packages in
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*" $pkg "*)
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shift
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set -- "$@" "$pkg"
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continue
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;;
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esac
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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$pkg")
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# Figure out the version and release.
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read -r version release < "$repo_dir/version"
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# Remove the current package from the package list.
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shift
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# Install any pre-built binaries if they exist.
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[ -f "$bin_dir/$pkg#$version-$release.tar.gz" ] && {
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log "[$pkg]: Found pre-built binary."
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pkg_install "$bin_dir/$pkg#$version-$release.tar.gz"
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continue
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}
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# Add the removed package back to the list if it doesn't
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# have a pre-built binary.
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set -- "$@" "$pkg"
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done
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for pkg; do pkg_lint "$pkg"; done
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for pkg; do
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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$pkg")
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# Ensure that checksums exist prior to building the package.
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[ -f "$repo_dir/checksums" ] || {
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log "[$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_checkums="$no_checkums$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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[ "$no_checkums" ] &&
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die "Run '$kiss checksum ${no_checkums% }' to generate checksums."
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for pkg; do pkg_sources "$pkg"; done
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for pkg; do pkg_verify "$pkg"; done
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# Die here as packages with differing checksums were found above.
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[ "$mismatch" ] &&
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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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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$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/var/db/kiss"
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# Move to the build directory and call the build script.
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(cd "$mak_dir/$pkg"; "$repo_dir/build" "$pkg_dir/$pkg") ||
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die "[$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/$pkg/var/db/kiss/"
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log "[$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/var/db/kiss/$pkg/manifest"
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pkg_strip "$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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case $explicit_packages in
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*" $pkg "*) continue ;;
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*) pkg_install "$pkg" ;;
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esac
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done
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log "Successfully built package(s)."
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log "Run '$kiss i $*' to install the built package(s)."
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}
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pkg_checksums() {
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# Generate checksums for packages.
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# This also downloads any remote sources.
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checksum_file=$1
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shift
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for pkg; do
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# Find the package's repository files. This needs to keep
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# happening as we can't store this data in any kind of data
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# structure.
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repo_dir=$(pkg_search "$pkg")
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while read -r src _; do
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case $src in
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# Git repository.
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# Skip checksums on git repositories.
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git:*) ;;
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*)
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# File is local to the package and is stored in the
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# repository.
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[ -f "$repo_dir/$src" ] &&
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src_path=$repo_dir/${src%/*}
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# File is remote and was downloaded.
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[ -f "$src_dir/$pkg/${src##*/}" ] &&
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src_path=$src_dir/$pkg
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# Die here if source for some reason, doesn't exist.
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[ "$src_path" ] ||
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die "[$pkg]: Couldn't find source '$src'."
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# An easy way to get 'sha256sum' to print with the 'basename'
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# of files is to 'cd' to the file's directory beforehand.
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(cd "$src_path" && sha256sum "${src##*/}") ||
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die "[$pkg]: Failed to generate checksums."
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# Unset this variable so it isn't used again on a failed
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|
# source. There's no 'local' keyword in POSIX sh.
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src_path=
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;;
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esac
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done < "$repo_dir/sources" > "$repo_dir/$checksum_file"
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log "[$pkg]: Generated/Verified checksums."
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done
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}
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pkg_conflicts() {
|
|
# Check to see if a package conflicts with another.
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|
# This function takes a path to a KISS tar-ball as an argument.
|
|
log "[$2]: Checking for package conflicts."
|
|
|
|
# Extract manifest from the tar-ball and only extract files entries.
|
|
tar xf "$1" -O "./var/db/kiss/$2/manifest" |
|
|
while read -r line; do
|
|
[ "${line%%*/}" ] && printf '%s\n' "$line" >> "$cac_dir/manifest-$pid"
|
|
done ||:
|
|
|
|
# Compare extracted manifest to all installed manifests.
|
|
# If there are matching lines (files) there is a package conflict.
|
|
for db in "$KISS_ROOT/var/db/kiss/"*; do
|
|
[ "$2" = "${db##*/}" ] && continue
|
|
|
|
grep -Fxf "$cac_dir/manifest-$pid" "$db/manifest" 2>/dev/null &&
|
|
die "Package '$2' conflicts with '${db##*/}'."
|
|
done
|
|
|
|
# Remove this temporary file as we no longer need it.
|
|
rm -f "$cac_dir/manifest-$pid"
|
|
}
|
|
|
|
pkg_remove() {
|
|
# Remove a package and all of its files. The '/etc' directory
|
|
# is handled differently and configuration files are *not*
|
|
# overwritten.
|
|
|
|
# Create a backup of 'rm' and 'rmdir' so they aren't removed
|
|
# during package removal. This ensures that an upgrade to 'busybox'
|
|
# or your core utilities of choice doesn't break the package manager.
|
|
cp "$(command -v rm)" "$cac_dir"
|
|
cp "$(command -v rmdir)" "$cac_dir"
|
|
|
|
# The package is not installed, don't do anything.
|
|
pkg_list "$1" >/dev/null || {
|
|
log "[$1]: Not installed."
|
|
return
|
|
}
|
|
|
|
# Make sure that nothing depends on this package.
|
|
[ "$2" = check ] && for file in "$KISS_ROOT/var/db/kiss/"*; do
|
|
# Check each depends file for the package and if it's
|
|
# a run-time dependency, append to the $required_by string.
|
|
grep -q "^$1$" "$file/depends" 2>/dev/null &&
|
|
required_by="$required_by'${file##*/}', "
|
|
done
|
|
|
|
[ "$required_by" ] &&
|
|
die "[$1]: Package is required by ${required_by%, }." \
|
|
"[$1]: Aborting here..."
|
|
|
|
while read -r file; do
|
|
# The file is in '/etc' skip it. This prevents the package
|
|
# manager from removing user edited configuration files.
|
|
[ "${file##/etc/*}" ] || continue
|
|
|
|
if [ -d "$KISS_ROOT/$file" ]; then
|
|
"$cac_dir/rmdir" "$KISS_ROOT/$file" 2>/dev/null || continue
|
|
else
|
|
"$cac_dir/rm" -f -- "$KISS_ROOT/$file" ||
|
|
log "[$1]: Failed to remove '$file'."
|
|
fi
|
|
done < "$KISS_ROOT/var/db/kiss/$1/manifest"
|
|
|
|
log "[$1]: Removed successfully."
|
|
}
|
|
|
|
pkg_install() {
|
|
# Install a built package tar-ball.
|
|
|
|
for pkg; do
|
|
# Install can also take the full path to a tar-ball.
|
|
# We don't need to check the repository if this is the case.
|
|
if [ -f "$pkg" ] && [ -z "${pkg%%*.tar.gz}" ] ; then
|
|
tar_file=$pkg
|
|
|
|
else
|
|
# Find the package's repository files. This needs to keep
|
|
# happening as we can't store this data in any kind of data
|
|
# structure.
|
|
repo_dir=$(pkg_search "$pkg")
|
|
|
|
# Read the version information to name the package.
|
|
read -r version release < "$repo_dir/version"
|
|
|
|
# Construct the name of the package tarball.
|
|
tar_name=$pkg\#$version-$release.tar.gz
|
|
|
|
[ -f "$bin_dir/$tar_name" ] ||
|
|
die "Package '$pkg' has not been built." \
|
|
"Run '$kiss build $pkg'."
|
|
|
|
tar_file=$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 "$tar_file" | grep -x "\./var/db/kiss/.*/version") ||
|
|
die "'${tar_file##*/}' is not a valid KISS package."
|
|
|
|
pkg_name=${pkg_name%/*}
|
|
pkg_name=${pkg_name##*/}
|
|
|
|
pkg_conflicts "$tar_file" "$pkg_name"
|
|
|
|
# Extract the tar-ball early to catch any errors before installation
|
|
# begins. The package manager uninstalls the previous package during
|
|
# an upgrade so any errors need to be caught ASAP.
|
|
tar pxf "$tar_file" -C "$tar_dir/" ||
|
|
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 "$tar_dir/var/db/kiss/$pkg_name/depends" ] &&
|
|
while read -r dep dep_type; do
|
|
[ "$dep_type" ] || pkg_list "$dep" >/dev/null ||
|
|
required_install="$required_install'$dep', "
|
|
done < "$tar_dir/var/db/kiss/$pkg_name/depends"
|
|
|
|
[ "$required_install" ] &&
|
|
die "[$1]: Package requires ${required_install%, }." \
|
|
"[$1]: Aborting here..."
|
|
|
|
# Create a backup of 'mv', 'mkdir' and 'find' so they aren't removed
|
|
# during package removal. This ensures that an upgrade to 'busybox' or
|
|
# your core utilities of choice doesn't break the package manager.
|
|
cp "$(command -v mv)" "$cac_dir"
|
|
cp "$(command -v mkdir)" "$cac_dir"
|
|
cp "$(command -v find)" "$cac_dir"
|
|
|
|
# Block being able to abort the script with 'Ctrl+C' during installation.
|
|
# Removes all risk of the user aborting a package installation leaving
|
|
# an incomplete package installed.
|
|
trap '' INT
|
|
|
|
log "[$pkg_name]: Removing previous version of package if it exists."
|
|
pkg_remove "$pkg_name"
|
|
log "[$pkg_name]: Installing package..."
|
|
|
|
# Installation works by unpacking the tar-ball to a specified location,
|
|
# manually running 'mkdir' to create each directory and finally, using
|
|
# 'mv' to move each file.
|
|
cd "$tar_dir"
|
|
|
|
# Create all of the package's directories.
|
|
# Optimization: Only find the deepest directories.
|
|
"$cac_dir/find" . -type d -links -3 -prune | while read -r dir; do
|
|
"$cac_dir/mkdir" -p "$KISS_ROOT/${dir#./}"
|
|
done
|
|
|
|
# Move all package files to '$KISS_ROOT'.
|
|
"$cac_dir/find" ./ -mindepth 1 -not -type d | while read -r file; do
|
|
rpath=${file#.}
|
|
|
|
# Don't overwrite existing '/etc' files.
|
|
[ -z "${rpath##/etc/*}" ] &&
|
|
[ -f "$KISS_ROOT/${rpath%/*}/${file##*/}" ] &&
|
|
return
|
|
|
|
"$cac_dir/mv" "$file" "$KISS_ROOT/${rpath%/*}" ||:
|
|
done
|
|
|
|
# Reset 'trap' to its original value. Installation is done so
|
|
# we no longer need to block 'Ctrl+C'.
|
|
trap pkg_clean EXIT INT
|
|
|
|
# Run the post install script and suppress errors. If it exists,
|
|
# it will run, else nothing will happen.
|
|
"$KISS_ROOT/var/db/kiss/$pkg_name/post-install" 2>/dev/null ||:
|
|
|
|
log "[$pkg_name]: Installed successfully."
|
|
done
|
|
}
|
|
|
|
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.
|
|
|
|
# Disable globbing with 'set -f' to ensure that the unquoted
|
|
# variable doesn't expand into anything nasty.
|
|
# shellcheck disable=2086,2046
|
|
{
|
|
set -f
|
|
IFS=:
|
|
set -- $KISS_PATH
|
|
IFS=$old_ifs
|
|
set +f
|
|
}
|
|
|
|
log "Updating repositories..."
|
|
|
|
# Update each repository in '$KISS_PATH'. It is assumed that
|
|
# each repository is 'git' tracked.
|
|
for repo; do
|
|
log "[${repo##*/}]: Updating repository."
|
|
(cd "$repo"; git rev-parse --git-dir >/dev/null && git pull)
|
|
done
|
|
|
|
log "Checking for new package versions..."
|
|
|
|
for pkg in "$KISS_ROOT/var/db/kiss/"*; do
|
|
# Find the package's repository files. This needs to keep
|
|
# happening as we can't store this data in any kind of data
|
|
# structure.
|
|
repo_dir=$(pkg_search "${pkg##*/}")
|
|
|
|
# Read version and release information from the installed packages
|
|
# and repository.
|
|
read -r db_ver db_rel < "$pkg/version"
|
|
read -r re_ver re_rel < "$repo_dir/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"
|
|
done
|
|
}
|
|
|
|
setup_caching() {
|
|
# Setup the host machine for the package manager. Create any
|
|
# directories which need to exist and set variables for easy
|
|
# access to them.
|
|
|
|
# Main cache directory (~/.cache/kiss/) typically.
|
|
mkdir -p "${cac_dir:=${XDG_CACHE_HOME:=$HOME/.cache}/kiss}" ||
|
|
die "Couldn't create cache directory ($cac_dir)."
|
|
|
|
# Build directory.
|
|
mkdir -p "${mak_dir:=$cac_dir/build-$pid}" ||
|
|
die "Couldn't create build directory ($mak_dir)."
|
|
|
|
# Package directory.
|
|
mkdir -p "${pkg_dir:=$cac_dir/pkg-$pid}" ||
|
|
die "Couldn't create package directory ($pkg_dir)."
|
|
|
|
# Tar directory.
|
|
mkdir -p "${tar_dir:=$cac_dir/extract-$pid}" ||
|
|
die "Couldn't create tar directory ($tar_dir)."
|
|
|
|
# Source directory.
|
|
mkdir -p "${src_dir:=$cac_dir/sources}" ||
|
|
die "Couldn't create source directory ($src_dir)."
|
|
|
|
# Binary directory.
|
|
mkdir -p "${bin_dir:=$cac_dir/bin}" ||
|
|
die "Couldn't create binary directory ($bin_dir)."
|
|
}
|
|
|
|
pkg_clean() {
|
|
# Clean up on exit or error. This removes everything related
|
|
# to the build.
|
|
|
|
# Remove temporary directories.
|
|
rm -rf -- "$mak_dir" "$pkg_dir" "$tar_dir"
|
|
|
|
# Remove cached commands.
|
|
rm -f -- "$cac_dir/find" "$cac_dir/mv" "$cac_dir/mkdir" \
|
|
"$cac_dir/rm" "$cac_dir/rmdir"
|
|
|
|
# Remove temporary files.
|
|
rm -f "$repo_dir/.checksums"
|
|
}
|
|
|
|
root_check() {
|
|
# Ensure that the user has write permissions to '$KISS_ROOT'.
|
|
# When this variable is empty, a value of '/' is assumed.
|
|
[ -w "$KISS_ROOT/" ] || \
|
|
die "No write permissions to '${KISS_ROOT:-/}'." \
|
|
"You may need to run '$kiss' as root."
|
|
}
|
|
|
|
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.
|
|
|
|
# Actions can be abbreviated to their first letter. This saves
|
|
# keystrokes once you memorize the commands and it also has the
|
|
# side-effect of "correcting" spelling mistakes (assuming the first
|
|
# letter is right).
|
|
case $1 in
|
|
# Build the list of packages.
|
|
b*)
|
|
shift
|
|
[ "$1" ] || die "'kiss build' requires an argument."
|
|
pkg_build "$@"
|
|
;;
|
|
|
|
# Generate checksums for packages.
|
|
c*)
|
|
shift
|
|
[ "$1" ] || die "'kiss checksum' requires an argument."
|
|
|
|
for pkg; do pkg_lint "$pkg"; done
|
|
for pkg; do pkg_sources "$pkg"; done
|
|
|
|
pkg_checksums checksums "$@"
|
|
;;
|
|
|
|
# Install packages.
|
|
i*)
|
|
shift
|
|
[ "$1" ] || die "'kiss install' requires an argument."
|
|
root_check
|
|
pkg_install "$@"
|
|
;;
|
|
|
|
# Remove packages.
|
|
r*)
|
|
shift
|
|
[ "$1" ] || die "'kiss remove' requires an argument."
|
|
root_check
|
|
log "Removing packages..."
|
|
for pkg; do pkg_remove "$pkg" check; done
|
|
;;
|
|
|
|
# List installed packages.
|
|
l*)
|
|
shift
|
|
pkg_list "$@"
|
|
;;
|
|
|
|
# Upgrade packages.
|
|
u*)
|
|
pkg_updates
|
|
;;
|
|
|
|
# Print version and exit.
|
|
v*)
|
|
log "$kiss 0.2.1"
|
|
;;
|
|
|
|
# Catch all invalid arguments as well as
|
|
# any help related flags (-h, --help, help).
|
|
*)
|
|
log "$kiss [b|c|i|l|r|u] [pkg]" \
|
|
"build: Build a package." \
|
|
"checksum: Generate checksums." \
|
|
"install: Install a package (Runs build if needed)." \
|
|
"list: List packages." \
|
|
"remove: Remove a package." \
|
|
"update: Check for updates."
|
|
;;
|
|
esac
|
|
}
|
|
|
|
main() {
|
|
# Store the script name in a variable and use it everywhere
|
|
# in place of 'kiss'. This allows the script name to be changed
|
|
# easily.
|
|
kiss=${0##*/}
|
|
|
|
# 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=$$
|
|
|
|
# Store the original value of IFS so we can revert back to it if the
|
|
# variable is ever changed.
|
|
old_ifs=$IFS
|
|
|
|
# Catch errors and ensure that build files and directories are cleaned
|
|
# up before we die. This occurs on 'Ctrl+C' as well as success and error.
|
|
trap pkg_clean EXIT INT
|
|
|
|
# Create the required temporary directories and set the variables
|
|
# which point to them.
|
|
setup_caching
|
|
|
|
args "$@"
|
|
}
|
|
|
|
main "$@"
|