[Pkg-octave-commit] [octave-pkg-dev] 01/01: octave-pkg.mk: Ensure that doc-cache files are built reproducibly

[Rafael Laboissière]

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rlaboiss-guest pushed a commit to branch master
in repository octave-pkg-dev.

commit 7a9c4d95311f6cfea6e85318d3bf828ed34ccfe3
Author: Rafael Laboissiere <rafael at laboissiere.net>
Date:   Fri Feb 13 12:11:37 2015 -0200

    octave-pkg.mk: Ensure that doc-cache files are built reproducibly
    
    Replace the time stamp and email address in the doc-cache files by the
    information present in the last entry of debian/changelog, such that
    the package build is reproducible.
---
 octave-pkg.mk | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/octave-pkg.mk b/octave-pkg.mk
index 7158151..2eac8ab 100644
--- a/octave-pkg.mk
+++ b/octave-pkg.mk
@@ -69,6 +69,7 @@ install/$(package)::	\
 	clean-files	\
 	install-docs	\
 	check-pkg	\
+	fix-doc-cache	\
 	remove-dirs
 
 .PHONY: check-version
@@ -176,6 +177,21 @@ else
 check-pkg:
 endif
 
+
+# Replace the time stamp and email address in the doc-cache files by
+# the information present in the last entry of debian/changelog, such
+# that the package build is reproducible
+# (see https://reproducible.debian.net/reproducible.html).
+
+maintainer_email = $(shell dpkg-parsechangelog | grep ^Maintainer: | sed 's/^Maintainer: //' | sed 's/^[^<]\+ //')
+changelog_date = $(shell dpkg-parsechangelog | grep ^Date: | sed 's/^Date: //;s/,//')
+
+.PHONY: fix-doc-cache
+fix-doc-cache:
+	for i in $$(find debian/ -name doc-cache) ; do									\
+		sed -i -e 's/^\(# Created by Octave [0-9.]\+,\).*/\1 $(changelog_date) $(maintainer_email)/' $$i ;	\
+	done
+
 .PHONY: remove-dirs
 remove-dirs:
 	rmdir --ignore-fail-on-non-empty -p	\

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