158 lines
4.5 KiB
Bash
158 lines
4.5 KiB
Bash
#!/bin/sh
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# checkapk - find ABI breakages in package upgrades
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# Copyright (c) 2012 Natanael Copa <natanael.copa@gmail.com>
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#
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# Distributed under GPL-2.0-only
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#
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program_version=@VERSION@
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sharedir=${ABUILD_SHAREDIR:-@sharedir@}
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if ! [ -f "$sharedir/functions.sh" ]; then
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echo "$sharedir/functions.sh: not found" >&2
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exit 1
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fi
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. "$sharedir/functions.sh"
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usage() {
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cat <<-__EOF__
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$program $program_version - find ABI breakages in package upgrades
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Usage: $program [-h|--help]
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Run in the directory of a built package.
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Options:
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-h, --help Print this help
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__EOF__
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}
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args=$(getopt -o h --long help \
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-n "$program" -- "$@")
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if [ $? -ne 0 ]; then
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usage >&2
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exit 2
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fi
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eval set -- "$args"
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while true; do
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case $1 in
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-h|--help) usage; exit 0;;
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--) shift; break;;
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*) exit 1;; # getopt error
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esac
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shift
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done
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if [ $# -gt 0 ]; then
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usage >&2
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exit 2
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fi
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if ! [ -f "$ABUILD_CONF" ] && ! [ -f "$ABUILD_USERCONF" ] && ! [ -f "$ABUILD_DEFCONF" ]; then
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die "no abuild.conf found"
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fi
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if ! [ -f APKBUILD ]; then
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die 'must be run in the directory of a built package'
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fi
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if ! [ -n "$CARCH" ]; then
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die "failed to detect CARCH"
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fi
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. ./APKBUILD
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startdir="$PWD"
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tmpdir=$(mktemp -d -t checkpkg-script.XXXXXX)
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trap "rm -rf '$tmpdir'; exit" INT EXIT
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cd "$tmpdir" || die "failed to create temp dir"
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# storage for downloaded/copied apks
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mkdir -p apks
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# default to pigz for unpacking
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gunzip="$(command -v pigz || echo gzip) -d"
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for i in $pkgname $subpackages; do
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_pkgname=${i%%:*}
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pkg=${_pkgname}-$pkgver-r$pkgrel
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pkgfile=${pkg}.apk
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repodir=${startdir%/*}
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repo=${repodir##*/}
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for filepath in "$PKGDEST"/$pkgfile "$REPODEST"/$repo/$CARCH/$pkgfile "$startdir"/$pkgfile; do
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if [ -f "$filepath" ]; then
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break
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fi
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done
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[ -f "$filepath" ] || die "can't find $pkgfile"
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# generate a temp repositories file with only the http(s) repos
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grep -E "^https?:" /etc/apk/repositories > "$tmpdir"/repositories
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oldpkg=$(apk fetch --repositories-file "$tmpdir"/repositories --simulate $_pkgname 2>&1 | sed 's/^Downloading //')
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if [ "${oldpkg}" = "${pkg}" ]; then
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die "the built package ($_pkgname) is already in the repo"
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fi
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# apk info could return multiple lines if multiple packages share a provide
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# (e.g. dnsmasq); filter with the exact package name and take the second line:
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# 7zip-23.01-r0 installed size:
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# 1668 KiB
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newsize="$(apk info --repositories-file /dev/null --repository "$REPODEST"/$repo --size $_pkgname | \
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grep -F "$pkg" -A1 | \
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tail -n1)"
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oldsize="$(apk info --repositories-file "$tmpdir"/repositories --size "$_pkgname" | \
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grep -F "$oldpkg" -A1 | \
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tail -n1)"
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if [ "$oldsize" = "$newsize" ]; then
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msg "No size differences for $_pkgname."
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else
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msg "Size difference for $_pkgname: $oldsize -> $newsize"
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fi
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apk fetch --quiet --repositories-file "$tmpdir"/repositories --stdout "$_pkgname" > apks/old.apk \
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|| msg2 "Old apk for $_pkgname missing. (new package/arch? broken internet?)"
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# pre-uncompress to not decompress twice
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# we do a decompression + tar -t for the file list, but then later we might do a full extraction for sodiff.
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# to not decompress here and then later again, store the intermediate tar
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$gunzip -c 2>/dev/null < apks/old.apk > apks/old.tar &
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$gunzip -c "$filepath" < "$filepath" > apks/new.tar &
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wait
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tar -t -f apks/old.tar 2>/dev/null | grep -v '^\.SIGN\.' | sort > "filelist-$_pkgname-old" &
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tar -t -f apks/new.tar | grep -v '^\.SIGN\.' | sort > "filelist-$_pkgname-new" &
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wait
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diff -U3 "filelist-$_pkgname-old" "filelist-$_pkgname-new"
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if diff -U0 "filelist-$_pkgname-old" "filelist-$_pkgname-new" | grep -q '\.so'; then
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echo "SODIFF:"
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mkdir -p "$_pkgname-pkg-old" "$_pkgname-pkg-new"
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tar -C "$_pkgname-pkg-old" 2>/dev/null -x -f apks/old.tar > /dev/null &
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tar -C "$_pkgname-pkg-new" -x -f apks/new.tar > /dev/null &
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wait
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# filter to things that start with -+ but strip the header (---/+++)
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diff -U0 "filelist-$_pkgname-old" "filelist-$_pkgname-new" | grep -E '^(\+|-)[A-Za-z0-9]+' | grep '\.so' | while read -r diff_sofile; do
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case "$diff_sofile" in
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-*) path="$_pkgname-pkg-old"; sofile="${diff_sofile#\-}" ;;
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+*) path="$_pkgname-pkg-new"; sofile="${diff_sofile#\+}" ;;
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esac
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# skip symlinks (only adds duplicate output or is dangling), and things that aren't valid elfs
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# matching .so above matches anything with .so in the name, e.g. xyz.sourceforge
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if ! [ -L "$path"/"$sofile" ] && readelf -h "$path"/"$sofile" >/dev/null 2>&1; then
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echo "$diff_sofile: " "$(objdump -p "$path"/"$sofile" | grep SONAME)"
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fi
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done
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else
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msg "No soname differences for $_pkgname."
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fi
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done
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