Rewrite oh-strip.

1 files changed, 123 insertions, 3 deletions

diff --git a/src/oh-strip.sh b/src/oh-strip.sh
index ca0487a..c177852 100644
--- a/src/oh-strip.sh
+++ b/src/oh-strip.sh
@@ -19,12 +19,132 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-. @@LIBDIR@@/messages
-. @@LIBDIR@@/locale
+. '@@LIBOPKBUILD_1@@/load.sm'
+
+ob_use locale
+ob_use output
+
+CR='
+'
 
 main()
 {
-	oh_locale_set
+	dir='dest'
+	keep_debug='false'
+
+	ob_set_locale_path '@@LOCALEDIR@@/%s/LC_MESSAGES/%s.ms'
+	ob_set_text_domain 'opkhelper'
+
+	while getopts 'd:k' opt; do
+		case "${opt}" in
+			d)
+				dir="${OPTARG}"
+				;;
+			k)
+				keep_debug='true'
+				;;
+			?)
+				ob_error "$(ob_get_msg 'bad_opt')"
+				exit 1
+				;;
+		esac
+	done
+
+	find "${dir}" -type f -a ! -path '*/debug/*' -a -name '*.so*' | \
+		while IFS="${CR}" read file; do
+			if file "${file}" | grep 'ELF.*shared' >/dev/null 2>&1; then
+				strip_so "${file}"
+			fi
+		done
+
+	find "${dir}" -type f -a ! -path '*/debug/*' -a -perm '-a+x' | \
+		while IFS="${CR}" read file; do
+			if file "${file}" | grep -E 'ELF.*(executable|shared)' \
+					>/dev/null 2>&1; then
+				strip_exe "${file}"
+			fi
+		done
+
+	find "${dir}" -type f -a ! -path '*/debug/*' \
+		-a -name 'lib*.a' -a ! -name '*_g.a' | while IFS="{CR}" read file; do
+			strip_a "${file}"
+		done
+}
+
+strip_so()
+{
+	file="${1}"
+	debug=''
+
+	if ${keep_debug}; then
+		debug="$(keep_debug "${file}")"
+	fi
+
+	${STRIP} --remove-section=.comment --remove-section=.note \
+		--strip-unneeded "${file}"
+
+	if [ -n "${debug}" ]; then
+		link_debug "${file}" "${debug}"
+	fi
+}
+
+strip_exe()
+{
+	file="${1}"
+	debug=''
+
+	if ${keep_debug}; then
+		debug="$(keep_debug "${file}")"
+	fi
+
+	${STRIP} --remove-section=.comment --remove-section=.note \
+		"${file}"
+
+	if [ -n "${debug}" ]; then
+		link_debug "${file}" "${debug}"
+	fi
+}
+
+strip_a()
+{
+	file="${1}"
+
+	${STRIP} --strip-debug "${file}"
+}
+
+keep_debug()
+{
+	build_id_parts=''
+	debug=''
+
+	if ! file "${file}" | grep 'not stripped' >/dev/null 2>&1; then
+		return
+	fi
+
+	build_id_parts="$(${READELF} -n "${file}" | \
+		sed -n 's/^.*Build ID: \([0-9a-f][0-9a-f]\)\([0-9a-f]*\)$/\1 \2/p')"
+	if [ -z "${build_id_parts}" ]; then
+		return
+	fi
+
+	debug="/usr/lib/debug/.build-id/${build_id_parts% *}"
+	debug="${debug}/${build_id_parts#* }.debug"
+
+	mkdir -p "${dir}/${debug%/*}"
+
+	${OBJCOPY} --only-keep-debug --compress-debug-sections \
+		"${file}" "${dir}/${debug}"
+	chmod 644 "${dir}/${debug}"
+
+	printf '%s\n' "${debug}"
+}
+
+link_debug()
+{
+	file="${1}"
+	debug="${2}"
+
+	${OBJCOPY} --add-gnu-debuglink="${dir}/${debug}" "${file}"
 }
 
 main "${@}"