[Reproducible-builds] Bug#791584: kfreebsd-source-10.1: umask setting can affect build

[Steven Chamberlain]

Steven Chamberlain wrote:
> [...] I guess we could chmod before building the tarball:

On second thoughts, that's not as efficient as using tar's --mode option
so I'll use that.  The example given on the Debian Wiki page is more
comprehensive than my chmod anyway.

--- debian/rules	(revision 5717)
+++ debian/rules	(revision 5719)
@@ -176,8 +176,11 @@
 	 | xargs -0r touch --no-dereference --date="$(BUILD_DATE)"
 	# Create tarball with files sorted in a stable order, see
 	# https://wiki.debian.org/ReproducibleBuilds/FileOrderInTarballs
+	# and normalised file permissions regardless of umask, see
+	# https://wiki.debian.org/ReproducibleBuilds/VaryingPermissionsInTarballs
 	find $(SRC_DIR) -print0 | LC_ALL=C sort -z \
 	 | tar --null --no-recursion --files-from - \
+	    --mode=go=rX,u+rw,a-s \
 	    -cJf $(SOURCE_PACKAGE)/usr/src/$(SRC_TAR)
 
 	touch install-indep-stamp

Regards,
-- 
Steven Chamberlain
steven at pyro.eu.org