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#!/bin/sh
# checkapk - find ABI breakages in package upgrades
# Copyright (c) 2012 Natanael Copa <natanael.copa@gmail.com>
#
# Distributed under GPL-2
#
program_version=@VERSION@
datadir=@datadir@
if ! [ -f "$datadir/functions.sh" ]; then
echo "$datadir/functions.sh: not found" >&2
exit 1
fi
. "$datadir/functions.sh"
usage() {
cat >&2 <<__EOF__
$program $program_version - find ABI breakages in package upgrades
Usage: $program
Run in the directory of a built package.
__EOF__
}
if [ $# -gt 0 ]; then
usage
exit 2
fi
if ! [ -f "$ABUILD_CONF" ] && ! [ -f "$ABUILD_USERCONF" ]; then
die "no abuild.conf found"
fi
if ! [ -f APKBUILD ]; then
die 'must be run in the directory of a built package'
fi
if ! [ -n "$CARCH" ]; then
die "failed to detect CARCH"
fi
. ./APKBUILD
startdir="$PWD"
tmpdir=$(mktemp -d -t checkpkg-script.XXXXXX)
cd "$tmpdir" || die "failed to create temp dir"
for i in $pkgname $subpackages; do
_pkgname=${i%%:*}
pkg=${_pkgname}-$pkgver-r$pkgrel
pkgfile=${pkg}.apk
repodir=${startdir%/*}
repo=${repodir##*/}
for filepath in "$PKGDEST"/$pkgfile "$REPODEST"/$repo/$CARCH/$pkgfile "$startdir"/$pkgfile; do
if [ -f "$filepath" ]; then
break
fi
done
[ -f "$filepath" ] || die "can't find $pkgfile"
# generate a temp repositories file with only the http repos
grep ^http: /etc/apk/repositories > $tmpdir/repositories
oldpkg=$(apk fetch --repositories-file $tmpdir/repositories --simulate 2>&1 | sed 's/^Downloading //')
if [ "${oldpkg}" = "${pkg}" ]; then
die "the built package ($_pkgname) is already in the repo"
fi
apk fetch --quiet --repositories-file $tmpdir/repositories --stdout $_pkgname \
| tar -zt | grep -v '^\.SIGN\.' | sort > filelist-$_pkgname-old \
|| die "failed to download old pkg, maybe run 'apk update'?"
tar -ztf "$filepath" | grep -v '^\.SIGN\.' | sort > "filelist-$_pkgname"
diff -u "filelist-$_pkgname-old" "filelist-$_pkgname"
if diff "filelist-$_pkgname-old" "filelist-$_pkgname" | grep '\.so' > /dev/null 2>&1; then
mkdir -p pkg
cd pkg
tar -zxf "$filepath" > /dev/null
diff "../filelist-$_pkgname-old" "../filelist-$_pkgname" | awk '/>.*\.so/{$1 = ""; print $0}' | while read i; do
echo "${i}: " "$(objdump -p "$i" | grep SONAME)"
done
cd ..
else
msg "No soname differences for $_pkgname."
fi
done
msg "Files saved to $tmpdir"
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