Commit 7c78599a authored by Florian Pritz's avatar Florian Pritz Committed by Pierre Schmitz
Browse files

add libdepends script 



Signed-off-by: default avatarFlorian Pritz <bluewind@xinu.at>
Signed-off-by: default avatarPierre Schmitz <pierre@archlinux.de>
parent 89950ccd

.gitignore

+1 −0
Original line number Diff line number Diff line
@@ -13,3 +13,4 @@ makechrootpkg 
mkarchroot

rebuildpkgs

zsh_completion

find-libdeps

Makefile

+4 −1
Original line number Diff line number Diff line
@@ -11,7 +11,8 @@ BINPROGS = \ 
	archbuild \

	lddd \

	finddeps \

	rebuildpkgs

	rebuildpkgs \

	find-libdeps



SBINPROGS = \

	mkarchroot \
@@ -67,6 +68,7 @@ install: 
	install -m0644 ${CONFIGFILES} $(DESTDIR)$(PREFIX)/share/devtools

	for l in ${COMMITPKG_LINKS}; do ln -sf commitpkg $(DESTDIR)$(PREFIX)/bin/$$l; done

	for l in ${ARCHBUILD_LINKS}; do ln -sf archbuild $(DESTDIR)$(PREFIX)/bin/$$l; done

	ln -sf find-libdeps $(DESTDIR)$(PREFIX)/bin/find-libprovides

	install -Dm0644 bash_completion $(DESTDIR)/etc/bash_completion.d/devtools

	install -Dm0644 zsh_completion $(DESTDIR)$(PREFIX)/share/zsh/site-functions/_devtools

	ln -sf archco $(DESTDIR)$(PREFIX)/bin/communityco
@@ -80,6 +82,7 @@ uninstall: 
	rm $(DESTDIR)/etc/bash_completion.d/devtools

	rm $(DESTDIR)$(PREFIX)/share/zsh/site-functions/_devtools

	rm -f $(DESTDIR)$(PREFIX)/bin/communityco

	rm -f $(DESTDIR)$(PREFIX)/bin/find-libprovides



dist:

	git archive --format=tar --prefix=devtools-$(V)/ $(V) | gzip -9 > devtools-$(V).tar.gz

find-libdeps.in

0 → 100644
+100 −0
Original line number Diff line number Diff line 
#!/bin/bash



set -e



IGNORE_INTERNAL=0



if [[ $1 = "--ignore-internal" ]]; then

	IGNORE_INTERNAL=1

	shift

fi



script_mode=${0##*/find-lib}



case $script_mode in

	deps|provides) true;;

	*) echo "error: unknown mode $script_mode"; exit 1;;

esac



if [[ -z $1 ]]; then

	echo "${0##*/} [options] <package file|extracted package dir>"

	echo "Options:"

	echo "    --ignore-internal      ignore internal libraries"

	exit 1

fi



cleanup() {

	if [[ $tmpdir ]]; then

		rm -rf $tmpdir;

	fi

}



if [[ -d $1 ]]; then

	cd $1

else

	tmpdir=$(mktemp -d /tmp/find-sodeps.XXXXXXX)

	trap "cleanup" EXIT INT TERM



	case ${script_mode} in

		deps) bsdtar -C $tmpdir -xf "$1";;

		provides)bsdtar -C $tmpdir -xf "$1" --include="*.so*";;

	esac



	cd $tmpdir

fi



in_array() {

	local needle=$1; shift

	[[ -z $1 ]] && return 1 # Not Found

	local item

	for item in "$@"; do

	[[ $item = $needle ]] && return 0 # Found

	done

	return 1 # Not Found

}



process_sofile() {

	# extract the library name: libfoo.so

	soname="${sofile%%\.so\.*}.so"

	# extract the major version: 1

	soversion="${sofile##*\.so\.}"

	if [[ "$soversion" = "$sofile" ]] && (($IGNORE_INTERNAL)); then

		continue

	fi

	if ! in_array "${soname}=${soversion}-${soarch}" ${soobjects[@]}; then

		# libfoo.so=1-64

		echo "${soname}=${soversion}-${soarch}"

		soobjects=(${soobjects[@]} "${soname}=${soversion}-${soarch}")

	fi

}



case $script_mode in 

	deps) find_args="-perm -u+x";;

	provides) find_args="-name *.so*";;

esac



find . -type f $find_args | while read filename; do

	if [[ $script_mode = "provides" ]]; then

		# ignore if we don't have a shared object

		if ! LC_ALL=C readelf -h "$filename" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then

			continue

		fi

	fi



	# get architecture of the file; if soarch is empty it's not an ELF binary

	soarch=$(LC_ALL=C readelf -h "$filename" 2>/dev/null | sed -n 's/.*Class.*ELF\(32\|64\)/\1/p')

	[ -n "$soarch" ] || continue



	if [[ $script_mode = "provides" ]]; then

		# get the string binaries link to: libfoo.so.1.2 -> libfoo.so.1

		sofile=$(LC_ALL=C readelf -d "$filename" 2>/dev/null | sed -n 's/.*Library soname: \[\(.*\)\].*/\1/p')

		[ -z "$sofile" ] && sofile="${filename##*/}"

		process_sofile

	elif [[ $script_mode = "deps" ]]; then

		# process all libraries needed by the binary

		for sofile in $(LC_ALL=C readelf -d "$filename" 2>/dev/null | sed -nr 's/.*Shared library: \[(.*)\].*/\1/p'); do

			process_sofile

		done

	fi

done