[Buildroot] [git commit] fs/tar: make results reproducible
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Wed Nov 23 21:55:34 UTC 2016
commit: https://git.buildroot.net/buildroot/commit/?id=59f9c4ca9feb2c070df508c7196f06a6e87307b4
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master
In order to make tar images reproducible, force files order in tarball.
This work was sponsored by `BA Robotic Systems'.
Signed-off-by: Jérôme Pouiller <jezz at sysmic.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
fs/tar/tar.mk | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/tar/tar.mk b/fs/tar/tar.mk
index 11c69c5..b14c977 100644
--- a/fs/tar/tar.mk
+++ b/fs/tar/tar.mk
@@ -7,7 +7,8 @@
TAR_OPTS := $(call qstrip,$(BR2_TARGET_ROOTFS_TAR_OPTIONS))
define ROOTFS_TAR_CMD
- tar $(TAR_OPTS) -cf $@ --numeric-owner -C $(TARGET_DIR) .
+ (cd $(TARGET_DIR); find -print0 | LC_ALL=C sort -z | \
+ tar $(TAR_OPTS) -cf $@ --null -T - --no-recursion --numeric-owner)
endef
$(eval $(call ROOTFS_TARGET,tar))
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