From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 2 Apr 2010 17:30:47 +0000 (+0200)
Subject: naoki: Add REQUIRES and PROVIDES information to packages.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c57a28f869e7c01dde98b71ed10d9732987a172;p=ipfire-3.x.git

naoki: Add REQUIRES and PROVIDES information to packages.
---

diff --git a/tools/common-functions b/tools/common-functions
new file mode 100644
index 000000000..d887a5c08
--- /dev/null
+++ b/tools/common-functions
@@ -0,0 +1,75 @@
+#!/bin/bash
+
+LIBARY_PATHS="${BUILDROOT}/lib ${BUILDROOT}/usr/lib"
+BINARY_PATHS="${LIBARY_PATHS} ${BUILDROOT}/bin ${BUILDROOT}/sbin"
+BINARY_PATHS="${BINARY_PATHS} ${BUILDROOT}/usr/bin ${BUILDROOT}/usr/sbin"
+
+get_interpreter() {
+	local file=${1}
+
+	readelf -l ${file} | grep "program interpreter" | \
+		tr -d "]" | awk '{ print $NF }'
+}
+
+get_needed() {
+	local file=${1}
+
+	readelf -d ${file} | grep NEEDED | \
+		tr -d "[]" | awk '{ print $NF }'
+}
+
+get_soname() {
+	local file=${1}
+
+	readelf -d ${file} | grep SONAME | \
+		tr -d "[]" | awk '{ print $NF }'
+}
+
+find_requires() {
+	local output
+	local file
+	local files=$(find_elf_files ${BINARY_PATHS})
+
+	for file in ${files}; do
+		output="${output} $(get_needed ${file})"
+	done
+
+	listsort ${output}
+}
+
+find_provides() {
+	local output
+	local file
+	local files=$(find_elf_files ${LIBARY_PATHS})
+
+	for file in ${files}; do
+		output="${output} $(get_soname ${file})"
+	done
+
+	listsort ${output}
+}
+
+find_elf_files() {
+	local dir
+	local dirs=$@
+
+	local file
+	local files
+
+	for dir in ${dirs}; do
+		for file in $(find ${dir} -maxdepth 1 -type f 2>/dev/null); do
+			if file ${file} | grep -q ELF; then
+				files="${files} ${file}"
+			fi
+		done
+	done
+
+	echo ${files}
+}
+
+listsort() {
+	local item
+	for item in $@; do
+		echo "${item}"
+	done | sort -u | tr "\n" " "
+}
diff --git a/tools/compressor b/tools/compressor
index ac2a848d3..659b28c76 100755
--- a/tools/compressor
+++ b/tools/compressor
@@ -19,6 +19,8 @@
 #                                                                             #
 ###############################################################################
 
+. $(dirname ${0})/common-functions
+
 PACKAGE_VERSION="0"
 TAR_OPTIONS="--posix --acls --no-recursion --sparse"
 
@@ -188,7 +190,9 @@ PKG_DESCRIPTION="$PKG_DESCRIPTION"
 
 # Dependency info
 PKG_DEPS="$PKG_DEPS"
-PKG_BUILD_DEPS="$PKG_BUILD_DEPS"
+
+PKG_PROVIDES="$(find_provides)"
+PKG_REQUIRES="$(find_requires)"
 
 PKG_DATA_SHA1="$(sha1sum ${archieve} | awk '{ print $1 }')"