checkpkg

#!/bin/bash

source /etc/makepkg.conf

strip_url() {
	echo $1 | sed 's|^.*://.*/||g'
}

if [ ! -f PKGBUILD ]; then
	echo "This must be run in the directory of a built package."
	exit 1
fi

source PKGBUILD

pkgfile=${pkgname}-${pkgver}-${pkgrel}-${CARCH}.pkg.tar.gz
oldstylepkgfile=${pkgname}-${pkgver}-${pkgrel}.pkg.tar.gz

if [ ! -f $pkgfile ]; then
	if [ -f $PKGDEST/$pkgfile ]; then
		pkgfile=$PKGDEST/$pkgfile
		oldstylepkgfile=$PKGDEST/$oldstylepkgfile
	elif [ -f $oldstylepkgfile ]; then
		pkgfile=$oldstylepkgfile
	elif [ -f $PKGDEST/$oldstylepkgfile ]; then
		pkgfile=$PKGDEST/$oldstylepkgfile
	else
		echo "File $pkgfile doesn't exist"
		exit 1
	fi
fi

tmp=`pacman -Spd --noconfirm $pkgname`

if [ $? -ne 0 ]; then
	echo "Couldn't download previous package."
	exit 1
fi

pkgurl=`echo $tmp | rev | cut -d ' ' -f 1 | rev`

oldpkg=`strip_url $pkgurl`

if [ "$oldpkg" = "$pkgfile" ]; then
	echo "The built package is the one in the repo right now!"
	exit 1
fi

if [ ! -f $oldpkg ]; then
	if echo $pkgurl | grep "^file:///" > /dev/null 2>&1; then
		cp `echo $pkgurl | sed 's#^file://##'` .
	else
		wget $pkgurl
	fi
fi

tar tzf $oldpkg > filelist-old
tar tzf $pkgfile > filelist

sort -o filelist filelist
sort -o filelist-old filelist-old

diff filelist-old filelist

if diff filelist-old filelist | grep '\.so\.' > /dev/null 2>&1; then
	mkdir -p pkg
	cd pkg
	tar xzf ../$pkgfile > /dev/null
	for i in `diff ../filelist-old ../filelist | grep \> | grep \.so\. | awk '{print $2}'`; do
		echo -n "${i}: "
		objdump -p $i | grep SONAME
	done
else
	echo "No filename differences"
fi

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