image: Use ${COREBASE}/meta for timestamp, fallback to bitbake.conf

To handle the case where ${COREBASE} isn't the git directory, avoid
erroring out when the git command fails. If we don't have a timestamp
after this, fall back to the timestamp from conf/bitbake.conf.

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index c0a2714288d54122ce7d4e98ed7ec24c38c58942..5ae0910aa66d98413f3c663274415f158dc64cd9 100644 (file)
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -650,7 +650,10 @@ POPULATE_SDK_PRE_TARGET_COMMAND += "${@bb.utils.contains('DISTRO_FEATURES', 'usr
 reproducible_final_image_task () {
     if [ "${BUILD_REPRODUCIBLE_BINARIES}" = "1" ]; then
         if [ "$REPRODUCIBLE_TIMESTAMP_ROOTFS" = "" ]; then
-            REPRODUCIBLE_TIMESTAMP_ROOTFS=`git -C "${COREBASE}" log -1 --pretty=%ct`
+            REPRODUCIBLE_TIMESTAMP_ROOTFS=`git -C "${COREBASE}" log -1 --pretty=%ct 2>/dev/null` || true
+            if [ "${REPRODUCIBLE_TIMESTAMP_ROOTFS}" = "" ]; then
+                REPRODUCIBLE_TIMESTAMP_ROOTFS=`stat -c%Y ${@bb.utils.which(d.getVar("BBPATH"), "conf/bitbake.conf")}`
+            fi
         fi
         # Set mtime of all files to a reproducible value
         bbnote "reproducible_final_image_task: mtime set to $REPRODUCIBLE_TIMESTAMP_ROOTFS"