forked from kiss-community/kiss
93 lines
2.4 KiB
Plaintext
93 lines
2.4 KiB
Plaintext
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#!/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 utlizing the core unix utilites 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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# 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_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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args() {
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# Parse script arguments manually. POSIX 'sh' has no 'getopts'
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# or equivalent built in.
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[ "$1" ] || {
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log "$kiss [b|c|i|l|r|u] [pkg]" \
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"build: Build a package." \
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"checksum: Generate checksums." \
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"install: Install a package (Runs build if needed)." \
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"list: List packages." \
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"remove: Remove a package." \
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"update: Check for updates."
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exit
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}
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action=$1
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shift
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while [ "$1" ]; do
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case $action in
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b*)
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pkg_search "$1"
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shift
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;;
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esac
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done
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}
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main() {
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kiss=${0##*/}
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args "$@"
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}
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main "$@"
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