[ptxdist] [PATCH] Make sure tar archives created from svn URLs are reproducible.

[ptxdist] [PATCH] Make sure tar archives created from svn URLs are reproducible.

[Guillermo Rodriguez]

By default, tar.gz archives store a mod time in the gzip header.
This means that archives created from the same files will still
have different md5 sums. Fix this by passing gzip option -n to tar.
---
 scripts/lib/ptxd_make_get.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/lib/ptxd_make_get.sh b/scripts/lib/ptxd_make_get.sh
index 2bac978..33b76c2 100644
--- a/scripts/lib/ptxd_make_get.sh
+++ b/scripts/lib/ptxd_make_get.sh
@@ -265,7 +265,7 @@ ptxd_make_get_svn() {
 	lmtime=$(svn info -r ${rev} "${mirror}" | \
 		awk '/^Last Changed Date:/ {print $4 " " $5 " " $6}') &&
 	echo "${PROMPT}svn: last modification time '${lmtime}'" &&
-	tar --exclude-vcs --show-stored-names ${tarcomp} \
+	GZIP=-n tar --exclude-vcs --show-stored-names ${tarcomp} \
 		--mtime="${lmtime}" --transform "s|^\.|${prefix}|g" \
 		--create --file "${path}" -C "${mirror}" .
 	ptxd_make_serialize_put
-- 
1.9.1


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