The appended file 'version' has the same timestamp as the files added
by `git archive`.
The original file name and time stamp are no longer saved to the
gzip header in resulting $(PACKAGE)-$(VERSION).tar.gz file.
When build environment is close enough to another, this may
provide mutually reproducible release archive files.
---
The best way to realize improvements in a patch set is to send it >;/
V2 of id:20171211173102.6279-1-tomi.oll...@iki.fi
Replaces file touch with --mtime= GNU tar(1) option (diffdiff with V1):
: +++ b/Makefile.local
: @@ -34,6 +34,5 @@ $(TAR_FILE):
: ct=`git --no-pager log -1 --pretty=format:%ct $$ref` ; \
: - touch -d @$$ct version.tmp
: tar --owner root --group root --append -f $(TAR_FILE).tmp \
: --transform s_^_$(PACKAGE)-$(VERSION)/_ \
: - --transform 's_.tmp$$__' version.tmp
: + --transform 's_.tmp$$__' --mtime=@$$ct version.tmp
: rm version.tmp
Makefile.local | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/Makefile.local b/Makefile.local
index 9505b7fee70b..1535c2ae8a7b 100644
--- a/Makefile.local
+++ b/Makefile.local
@@ -31,11 +31,12 @@ $(TAR_FILE):
fi ; \
git archive --format=tar --prefix=$(PACKAGE)-$(VERSION)/ $$ref >
$(TAR_FILE).tmp
echo $(VERSION) > version.tmp
+ ct=`git --no-pager log -1 --pretty=format:%ct $$ref` ; \
tar --owner root --group root --append -f $(TAR_FILE).tmp \
--transform s_^_$(PACKAGE)-$(VERSION)/_ \
- --transform 's_.tmp$$__' version.tmp
+ --transform 's_.tmp$$__' --mtime=@$$ct version.tmp
rm version.tmp
- gzip < $(TAR_FILE).tmp > $(TAR_FILE)
+ gzip -n < $(TAR_FILE).tmp > $(TAR_FILE)
@echo "Source is ready for release in $(TAR_FILE)"
$(SHA256_FILE): $(TAR_FILE)
--
2.13.3
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