From: Bruno Haible <bruno@clisp.org>
Date: Sun, 22 Mar 2020 17:11:49 +0000 (+0100)
Subject: MODULES.html.sh: Add support for reproducible builds.
X-Git-Tag: v1.0~4183
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=20cb263b54bc08ca315a12a8b9df2ead293237ef;p=thirdparty%2Fgnulib.git

MODULES.html.sh: Add support for reproducible builds.

Reported by Bernhard M. Wiedemann <bwiedemann@suse.de> in
<https://lists.gnu.org/archive/html/bug-gnulib/2020-03/msg00024.html>.

* MODULES.html.sh: Print the date of the last gnulib commit, not the
current date.
---

diff --git a/ChangeLog b/ChangeLog
index cf93eef115..53f61ebbe4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2020-03-22  Bruno Haible  <bruno@clisp.org>
+
+	MODULES.html.sh: Add support for reproducible builds.
+	Reported by Bernhard M. Wiedemann <bwiedemann@suse.de> in
+	<https://lists.gnu.org/archive/html/bug-gnulib/2020-03/msg00024.html>.
+	* MODULES.html.sh: Print the date of the last gnulib commit, not the
+	current date.
+
 2020-03-22  Bruno Haible  <bruno@clisp.org>
 
 	Several modules: Depend on stat.
diff --git a/MODULES.html.sh b/MODULES.html.sh
index 7eab5e547a..b1638dada1 100755
--- a/MODULES.html.sh
+++ b/MODULES.html.sh
@@ -3695,7 +3695,9 @@ func_echo '<LI>A POT file and some PO files'
 func_end UL
 
 func_echo '<HR>'
-func_echo 'Generated from <CODE>MODULES.html.sh</CODE> on '`LC_ALL=C date +"%e %B %Y"`.
+git_checkout_date=`git log -n 1 --date=iso --format=fuller | sed -n -e 's/^CommitDate: //p'`
+pretty_date=`LC_ALL=C date +"%e %B %Y" --date="$git_checkout_date"`
+func_echo "Generated by <CODE>MODULES.html.sh</CODE> from a git checkout as of ${pretty_date}."
 
 func_end BODY