1 files changed, 90 insertions, 0 deletions
diff --git a/checkpkg.in b/checkpkg.in
new file mode 100644
index 0000000..94a7529
--- /dev/null
+++ b/checkpkg.in
@@ -0,0 +1,90 @@
+#!/bin/bash
+
+# Source makepkg.conf; fail if it is not found
+if [[ -r '/etc/makepkg.conf' ]]; then
+	source '/etc/makepkg.conf'
+else
+	echo '/etc/makepkg.conf not found!'
+	exit 1
+fi
+
+# Source user-specific makepkg.conf overrides
+if [[ -r ~/.makepkg.conf ]]; then
+	source ~/.makepkg.conf
+fi
+
+if [[ ! -f PKGBUILD ]]; then
+	echo 'This must be run in the directory of a built package.'
+	exit 1
+fi
+
+. PKGBUILD
+if [[ $arch == 'any' ]]; then
+	CARCH='any'
+fi
+
+STARTDIR=$(pwd)
+TEMPDIR=$(mktemp -d /tmp/checkpkg-script.XXXX)
+cd "$TEMPDIR"
+
+for _pkgname in "${pkgname[@]}"; do
+	if [[ -z ${epoch} ]] ; then
+		pkgfile=${_pkgname}-${pkgver}-${pkgrel}-${CARCH}${PKGEXT}
+	else
+		pkgfile=${_pkgname}-${epoch}:${pkgver}-${pkgrel}-${CARCH}${PKGEXT}
+	fi
+
+	if [[ -f "$STARTDIR/$pkgfile" ]]; then
+		ln -s "$STARTDIR/$pkgfile" "$pkgfile"
+	elif [[ -f "$PKGDEST/$pkgfile" ]]; then
+		ln -s "$PKGDEST/$pkgfile" "$pkgfile"
+	else
+		echo "File \"$pkgfile\" doesn't exist"
+		exit 1
+	fi
+
+	pkgurl=$(pacman -Spdd --print-format '%l' --noconfirm "$_pkgname")
+
+	if [[ $? -ne 0 ]]; then
+		echo "Couldn't download previous package for $_pkgname."
+		exit 1
+	fi
+
+	oldpkg=${pkgurl##*://*/}
+
+	if [[ ${oldpkg##*/} = ${pkgfile##*/} ]]; then
+		echo "The built package ($_pkgname) is the one in the repo right now!"
+		exit 1
+	fi
+
+	if [[ ! -f $oldpkg ]]; then
+		if [[ $pkgurl = file://* ]]; then
+			ln -s "${pkgurl#file://}" "${pkgurl##file://*/}"
+		elif [[ -f "$PKGDEST/$oldpkg" ]]; then
+			ln -s "$PKGDEST/$oldpkg" "$oldpkg"
+		elif [[ -f "$STARTDIR/$oldpkg" ]]; then
+			ln -s "$STARTDIR/$oldpkg" "$oldpkg"
+		else
+			wget --quiet "$pkgurl"
+		fi
+	fi
+
+	bsdtar tf "$oldpkg" | sort > "filelist-$_pkgname-old"
+	bsdtar tf "$pkgfile" | sort > "filelist-$_pkgname"
+
+	sdiff -s "filelist-$_pkgname-old" "filelist-$_pkgname"
+
+	if diff "filelist-$_pkgname-old" "filelist-$_pkgname" | grep '\.so' > /dev/null 2>&1; then
+		mkdir -p pkg
+		cd pkg
+		bsdtar xf ../"$pkgfile" > /dev/null
+		diff "../filelist-$_pkgname-old" "../filelist-$_pkgname" | awk '/>.*\.so/{$1 = ""; print $0}' | while read i; do
+			echo "${i}: " "$(objdump -p "$i" | grep SONAME)"
+		done
+		cd ..
+	else
+		echo "No soname differences for $_pkgname."
+	fi
+done
+
+echo "Files saved to $TEMPDIR"