From 1df85128b524f3ffefe8bbc948d14b17309c576d Mon Sep 17 00:00:00 2001 From: Dylan Araps Date: Thu, 13 Jun 2019 17:48:08 +0300 Subject: [PATCH] migrate package manager --- kiss | 210 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 210 insertions(+) create mode 100755 kiss diff --git a/kiss b/kiss new file mode 100755 index 0000000..960f39d --- /dev/null +++ b/kiss @@ -0,0 +1,210 @@ +#!/bin/sh +# +# kiss - package manager for kiss linux. + +die() { + printf '\033[31mERROR>\033[m %s\n' "$@" >&2 + exit 1 +} + +log() { + printf '\033[32m=>\033[m %s\n' "$@" +} + +source_type() { + [ -f "$1" ] && return 2 + [ -f "$src_dir/${1##*/}" ] && return 3 + [ -z "${1##git:*}" ] && return 4 + [ -z "${1##*://*}" ] && return 5 +} + +pkg_setup() { + cd "$rep_dir/$1" || die "Package '$1' not in repository." + [ -f sources ] || die "Sources file not found." + [ -x build ] || die "Build file not found or not executable." + + read -r ver rel < version || die "Version file not found." + pkg=${name:=$1}\#$ver-$rel.tar.gz +} + +pkg_depends() { + while read -r dep; do + pkg_list "$dep" || missing="$missing $dep" + done 2>/dev/null < depends + + [ -n "$missing" ] && die "Missing dependencies:$missing" +} + +pkg_sources() { + while read -r src _; do + case $(source_type "$src"; echo $?) in + 4) git clone "${src##git:}" "$mak_dir" ;; + 5) wget -P "$src_dir" "$src" || die "Failed to download $src." ;; + 0|1) die "Source file '$src' not found." ;; + esac + done < sources +} + +pkg_checksum() { + while read -r src _; do + case $(source_type "$src"; echo $?) in + 2) src_path=$src ;; + 3) src_path=$src_dir/${src##*/} ;; + 4) continue + esac + + (cd "${src_path%/*}" >/dev/null; sha256sum "${src##*/}") || + die "Failed to generate checksums." + done < sources > "${1-checksums}" +} + +pkg_verify() { + pkg_checksum /dev/stdout | diff checksums - || + die "Checksum mismatch, run '$0 checksum $name' to update checksums." +} + +pkg_extract() { + while read -r src dest; do + [ "$dest" ] && mkdir -p "$mak_dir/$dest" + + case $(source_type "$src"; echo $?)-$src in + 2-*) cp -f "$src" "$mak_dir/$dest" ;; + + 3-*.tar*) + tar xf "$src_dir/${src##*/}" -C "$mak_dir/$dest" \ + --strip-components 1 || die "Couldn't extract ${src##*/}" ;; + + [01]-*) die "${src##*/} not found." + esac + done < sources +} + +pkg_build() { + (cd "$mak_dir"; "$OLDPWD/build" "$pkg_dir") || die "Build failed." + cp -Rf "$rep_dir/$name" "$pkg_db" + log "Sucessfully built $pkg." 2> "$pkg_db/$name/manifest" +} + +pkg_strip() { + log "Stripping unneeded symbols from binaries and libraries." + + find "$pkg_dir" -type f | while read -r binary; do + case $(file -bi "$binary") in + application/x-sharedlib*|application/x-pie-executable*) + strip_opts=--strip-unneeded + ;; + + application/x-archive*) strip_opts=--strip-debug ;; + application/x-executable*) strip_opts=--strip-all ;; + + *) continue ;; + esac + + strip "$strip_opts" "$binary" + echo "${binary##*/}: $(stat -c %f "$binary"): $strip_opts: $(file -bi "$binary")" + sleep 1 + done +} + +pkg_manifest() { + (cd "$pkg_dir" && find ./*) | sed ss.ss | tac | + tee manifest > "$pkg_db/$name/manifest" +} + +pkg_tar() { + tar zpcf "$bin_dir/$pkg" -C "$pkg_dir" . || die "Failed to create package." + log "Use '$0 install $name' to install the package." +} + +pkg_install() { + [ -f "$bin_dir/$pkg" ] || args b "$name" + + pkg_remove "$name" + tar pxvf "$bin_dir/$pkg" -k -C "$sys_dir/" 2>/dev/null + + "$sys_db/$name/post-install" 2>/dev/null + + log "Installed ${pkg%.tar.gz}" +} + +pkg_remove() { + pkg_list "$name" || return 1 + + while read -r file; do + [ "${file%/*}" = "/etc" ] && continue + + if [ -d "$sys_dir$file" ]; then + rmdir "$sys_dir$file" 2>/dev/null || continue + else + rm -f -- "$sys_dir$file" || log "Failed to remove $file." + fi && log "Removed $file" + done < "$sys_db/$name/manifest" +} + +pkg_updates() { + for item in "$sys_db/"*; do + read -r db_ver db_rel < "$item/version" + read -r re_ver re_rel < "$rep_dir/${item##*/}/version" + + [ "$db_ver-$db_rel" != "$re_ver-$re_rel" ] && + printf '%s\n' "${item##*/} $re_ver-$re_rel" + done +} + +pkg_list() { + [ "$1" ] && { [ -d "$sys_db/$1" ]; return "$?"; } + + for item in "$sys_db/"*; do + read -r version release 2>/dev/null < "$item/version" && + printf '%s\n' "${item##*/} $version-$release" + done +} + +args() { + case $1 in b*|c*|i*|r*) pkg_setup "${2-null}"; esac + case $1 in + b*) [ -f checksums ] || die "Checksums missing, run '$0 checksum $name'" + + pkg_depends + pkg_sources + pkg_verify + pkg_extract + pkg_build + [ -f nostrip ] || pkg_strip + pkg_manifest + pkg_tar ;; + + c*) pkg_sources + pkg_checksum + log "Generated checksums." ;; + + i*) pkg_install ;; + l*) pkg_list "$2" ;; + r*) pkg_remove || die "Package '$name' not installed" ;; + u*) pkg_updates ;; + + *) log "$0 [b|c|i|l|r|u] [pkg]" \ + "build: Build a package." \ + "checksum: Generate checksums." \ + "install: Install a package (Runs build when needed)." \ + "list: List packages." \ + "remove: Remove a package." \ + "update: Check for updates." + esac +} + +main() { + trap 'rm -rf -- "$mak_dir" "$pkg_dir"' EXIT INT + + mkdir -p "${src_dir:=$PWD/sources}" \ + "${mak_dir:=$PWD/build}" \ + "${pkg_db:=${pkg_dir:=$PWD/pkg}/var/db/$0}" \ + "${sys_db:=${sys_dir:=$KISS_ROOT}/var/db/$0}" \ + "${bin_dir:=$PWD/bin}" \ + "${rep_dir:=$PWD/repo}" || + die "Couldn't create directories at $PWD." + + args "$@" +} + +main "$@"