1 files changed, 45 insertions, 0 deletions
diff --git a/find-libprovides.sh b/find-libprovides.sh
new file mode 100755
index 0000000..452af1a
--- /dev/null
+++ b/find-libprovides.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+if [[ -z $1 ]]; then
+  echo "$(basename "$0") <package file>"
+  exit 1
+fi
+
+tmpdir=$(mktemp -d /tmp/find-sodeps.XXXXXXX)
+trap "rm -rf '$tmpdir'" EXIT INT TERM
+
+tar -C $tmpdir -xf "$1"
+
+cd $tmpdir
+
+in_array() {
+	local needle=$1; shift
+	[[ -z $1 ]] && return 1 # Not Found
+	local item
+	for item in "$@"; do
+	[[ $item = $needle ]] && return 0 # Found
+	done
+	return 1 # Not Found
+}
+find . -type f -name \*.so\* | while read filename
+do
+	# check if we really have a shared object
+	if LC_ALL=C readelf -h "$filename" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then
+		# 64
+		soarch=$(LC_ALL=C readelf -h "$filename" | sed -n 's/.*Class.*ELF\(32\|64\)/\1/p')
+		# 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 "$sofile" ] && sofile="${$filename##*/}"
+
+		# extract the library name: libfoo.so
+		soname="${sofile%%\.so\.*}.so"
+		# extract the major version: 1
+		soversion="${sofile##*\.so\.}"
+		if ! in_array "${soname}=${soversion}-${soarch}" ${soprovides[@]}; then
+			# libfoo.so=1-64
+			echo "${soname}=${soversion}-${soarch}"
+			soprovides=(${soprovides[@]} "${soname}=${soversion}-${soarch}")
+		fi
+	fi
+done
+