From e5f3e5b59b099f16cf2bf1497b5a866379efef20 Mon Sep 17 00:00:00 2001
From: Xavier Hsu <xavier.hsu@linaro.org>
Date: Mon, 22 Jun 2015 16:21:08 +0800
Subject: Add zlib updater

Signed-off-by: Xavier Hsu <xavier.hsu@linaro.org>
---
 zlib.sh | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100755 zlib.sh

diff --git a/zlib.sh b/zlib.sh
new file mode 100755
index 0000000..15def93
--- /dev/null
+++ b/zlib.sh
@@ -0,0 +1,52 @@
+. $(dirname $0)/functions
+
+vertonumber () {
+	local VERSIONID=$1
+	local V1=$(echo $VERSIONID | cut -d. -f1)
+	local V2=$(echo $VERSIONID | cut -d. -f2)
+	local V3=$(echo $VERSIONID | cut -d. -f3)
+	local V="$V1$V2$V3"
+	echo -n $V
+}
+
+NEW_VERSION=$(wget -O - --no-verbose -q http://zlib.net/ | grep 'http://zlib.net/zlib-[0-9].*.tar.gz' | sed 's/.*zlib-\(.*\)\.tar\.gz.*/\1/')
+echo "NEW_VERSION = $NEW_VERSION"
+
+checkout platform/external/zlib
+
+cd $SRC/platform/external/zlib
+
+if git branch -a | grep -q linaro-upstream-$NEW_VERSION; then
+	ok "zlib is up to date."
+	exit 0
+fi
+
+git checkout -b linaro-upstream-work-$TIMESTAMP aosp/master
+
+AOSPVER=$(grep ZLIB_VER_MAJOR zlib.h | cut -d " " -f3).$(grep ZLIB_VER_MINOR zlib.h | cut -d " " -f3).$(grep ZLIB_VER_REVISION zlib.h | cut -d " " -f3)
+echo "AOSPVER = $AOSPVER"
+
+if [ "$(vertonumber $NEW_VERSION)" -le "$(vertonumber $AOSPVER)" ]; then
+	notice "zlib is up to date in AOSP master, copying its work"
+else
+	notice "Updating zlib to $NEW_VERSION"
+	wget http://zlib.net/zlib-$NEW_VERSION.tar.gz
+	rm -rf src
+	tar -zxf zlib-$NEW_VERSION.tar.gz
+	mv zlib-$NEW_VERSION src
+	cd src
+	./configure
+	rm Makefile configure.log
+	cd ../
+	rm zlib-$NEW_VERSION.tar.gz
+	grep -A21 'Copyright notice:' src/README | tail -20 > NOTICE
+
+	git commit -asm "Update to zlib $NEW_VERSION"
+	git clean -d -f -x
+fi
+
+git push origin linaro-upstream-work-$TIMESTAMP:linaro-upstream-$NEW_VERSION
+git pull
+git checkout -b linaro-upstream-$NEW_VERSION origin/linaro-upstream-$NEW_VERSION
+git branch -D linaro-upstream-work-$TIMESTAMP
+pwd
-- 
cgit v1.2.3