mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-15 22:05:02 -05:00
235562a85e
This change reveals a bootstrapping bug -- since we call the bare "makepkg" and rely on PATH lookup, we might not have a makepkg which can generate architecture-specific checksums.
100 lines
3.0 KiB
Bash
100 lines
3.0 KiB
Bash
#!/bin/bash
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#
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# updpkgsums - update source checksums in-place in PKGBUILDs
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#
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# Copyright (C) 2012-2013 Dave Reisner <dreisner@archlinux.org>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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shopt -s extglob
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declare -r myname='updpkgsums'
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declare -r myver='@PACKAGE_VERSION@'
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usage() {
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printf "%s (pacman) v%s\n" "${myname}" "${myver}"
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echo
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printf "%s will perform an in place update of the checksums in the\n" "${myname}"
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echo "path specified by [build file], defaulting to PKGBUILD in the current"
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echo "working directory."
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echo
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printf "Usage: %s [build file]\n" "${myname}"
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echo
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echo " -h, --help display this help message and exit"
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echo " -V, --version display version information and exit"
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}
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version() {
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printf "%s %s\n" "$myname" "$myver"
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echo 'Copyright (C) 2012-2013 Dave Reisner <dreisner@archlinux.org>'
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}
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case $1 in
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-h|--help) usage; exit ;;
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-V|--version) version; exit ;;
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esac
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buildfile=${1:-PKGBUILD}
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if [[ ! -f $buildfile ]]; then
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printf "==> ERROR: %s not found or is not a file\n" "$buildfile"
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exit 1
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fi
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# Resolve any symlinks to avoid replacing the symlink with a file. But, we
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# have to do this portably -- readlink's flags are inconsistent across OSes.
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while [[ -L $buildfile ]]; do
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buildfile=$(readlink "$buildfile")
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if [[ $buildfile = */* ]]; then
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cd "${buildfile%/*}"
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buildfile=${buildfile##*/}
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fi
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done
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# cd into the directory with the build file. This avoids creating random src/
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# directories scattered about the filesystem, and avoids cases where we might
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# not be able to write in the $PWD.
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if [[ $buildfile = */* ]]; then
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cd "${buildfile%/*}"
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buildfile=${buildfile##*/}
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fi
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# Check $PWD/ for permission to unlink the $buildfile and write a new one
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if [[ ! -w . ]]; then
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printf "==> ERROR: No write permission in '%s'\n" "$PWD"
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exit 1
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fi
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{
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# Generate the new sums and try to unlink the file before writing stdin back
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# into it. This final precaution shouldn't fail based on the previous checks,
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# but it's better to be extra careful before unlinking files.
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export BUILDDIR=$(mktemp -d --tmpdir updpkgsums.XXXXXX)
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trap "rm -rf '$BUILDDIR'" EXIT
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newsums=$(makepkg -g -p "$buildfile") && rm -f "$buildfile" &&
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exec awk -v newsums="$newsums" '
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/^[[:blank:]]*(md|sha)[[:digit:]]+sums(_[^=]+)?=/,/\)[[:blank:]]*(#.*)?$/ {
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if (!w) {
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print newsums
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w++
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}
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next
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}
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1
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END { if (!w) print newsums }
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' > "$buildfile"
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} < "$buildfile"
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# vim: set noet:
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