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#!/bin/bash
#
# SPDX-License-Identifier: GPL-3.0-or-later
shopt -s extglob
m4_include(lib/common.sh)
usage() {
cat <<- _EOF_
Usage: ${BASH_SOURCE[0]##*/} [OPTIONS]
Searches for a locally built package corresponding to the PKGBUILD, and
downloads the last version of that package from the Pacman repositories.
It then compares the list of .so files provided by each version of the
package and outputs if there are soname differences for the new package.
A directory is also created using mktemp with files containing a file
list for both packages and a library list for both packages.
OPTIONS
-r, --rmdir Remove the temporary directory
-w, --warn Print a warning in case of differences
-M, --makepkg-config Set an alternate makepkg configuration file
-h, --help Show this help text
_EOF_
}
RMDIR=0
WARN=0
MAKEPKG_CONF=/etc/makepkg.conf
# option checking
while (( $# )); do
case $1 in
-h|--help)
usage
exit 0
;;
-r|--rmdir)
RMDIR=1
shift
;;
-w|--warn)
WARN=1
shift
;;
-M|--makepkg-config)
MAKEPKG_CONF="$2"
shift 2
;;
--)
shift
break
;;
-*|--*)
die "invalid argument: %s" "$1"
;;
*)
break
;;
esac
done
# Source makepkg.conf; fail if it is not found
if [[ -r "${MAKEPKG_CONF}" ]]; then
# shellcheck source=config/makepkg/x86_64.conf
source "${MAKEPKG_CONF}"
else
die "${MAKEPKG_CONF} not found!"
fi
# Source user-specific makepkg.conf overrides
if [[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/pacman/makepkg.conf" ]]; then
# shellcheck source=/dev/null
source "${XDG_CONFIG_HOME:-$HOME/.config}/pacman/makepkg.conf"
elif [[ -r "$HOME/.makepkg.conf" ]]; then
# shellcheck source=/dev/null
source "$HOME/.makepkg.conf"
fi
if [[ ! -f PKGBUILD ]]; then
die 'This must be run in the directory of a built package.'
fi
# shellcheck source=contrib/makepkg/PKGBUILD.proto
. ./PKGBUILD
if [[ ${arch[0]} == 'any' ]]; then
CARCH='any'
fi
STARTDIR=$(pwd)
(( RMDIR )) && trap 'rm -rf $TEMPDIR' EXIT INT TERM QUIT
TEMPDIR=$(mktemp -d --tmpdir checkpkg-script.XXXX)
for _pkgname in "${pkgname[@]}"; do
comparepkg=$_pkgname
pkgurl=
target_pkgver=$(get_full_version "$_pkgname")
if ! pkgfile=$(find_cached_package "$_pkgname" "$target_pkgver" "$CARCH"); then
die 'tarball not found for package: %s' "${_pkgname}-$target_pkgver"
fi
ln -s "$pkgfile" "$TEMPDIR"
if (( $# )); then
case $1 in
*://*)
pkgurl=$1 ;;
/*|*/*)
pkgurl=$(readlink -m "$1") ;;
*.pkg.tar*)
pkgurl=$1 ;;
'')
;;
*)
comparepkg=$1 ;;
esac
shift
fi
[[ -n $pkgurl ]] || pkgurl=$(pacman -Spdd --print-format '%l' --noconfirm "$comparepkg") ||
die "Couldn't download previous package for %s." "$comparepkg"
oldpkg=${pkgurl##*/}
if [[ ${oldpkg} = "${pkgfile##*/}" ]]; then
die "The built package (%s) is the one in the repo right now!" "$_pkgname"
fi
if [[ $pkgurl = file://* || ( $pkgurl = /* && -f $pkgurl ) ]]; then
ln -s "${pkgurl#file://}" "$TEMPDIR/$oldpkg"
elif [[ -f "$PKGDEST/$oldpkg" ]]; then
ln -s "$PKGDEST/$oldpkg" "$TEMPDIR/$oldpkg"
elif [[ -f "$STARTDIR/$oldpkg" ]]; then
ln -s "$STARTDIR/$oldpkg" "$TEMPDIR/$oldpkg"
else
curl -fsLC - --retry 3 --retry-delay 3 -o "$TEMPDIR/$oldpkg" "$pkgurl"
fi
bsdtar tf "$TEMPDIR/$oldpkg" | sort > "$TEMPDIR/filelist-$_pkgname-old"
bsdtar tf "$pkgfile" | sort > "$TEMPDIR/filelist-$_pkgname"
sdiff -s "$TEMPDIR/filelist-$_pkgname-old" "$TEMPDIR/filelist-$_pkgname"
find-libprovides "$TEMPDIR/$oldpkg" 2>/dev/null | sort > "$TEMPDIR/libraries-$_pkgname-old"
find-libprovides "$pkgfile" 2>/dev/null | sort > "$TEMPDIR/libraries-$_pkgname"
if ! diff_output="$(sdiff -s "$TEMPDIR/libraries-$_pkgname-old" "$TEMPDIR/libraries-$_pkgname")"; then
message="Sonames differ in $_pkgname!"
(( WARN )) && warning "$message" || msg "$message"
echo "$diff_output"
else
msg "No soname differences for %s." "$_pkgname"
fi
done
(( RMDIR )) || msg "Files saved to %s" "$TEMPDIR"
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