From a373327b5941d80f71b876e70839277befb80e48 Mon Sep 17 00:00:00 2001
From: Andrew Johnson <anj@anl.gov>
Date: Tue, 23 Aug 2022 13:06:44 -0500
Subject: [PATCH] Get revision date from Darcs

---
 src/tools/genVersionHeader.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tools/genVersionHeader.pl b/src/tools/genVersionHeader.pl
index bb291c0a2..a1b9f9689 100644
--- a/src/tools/genVersionHeader.pl
+++ b/src/tools/genVersionHeader.pl
@@ -56,7 +56,8 @@ if (!$vcs && -d "$opt_t/_darcs") { # Darcs
         my $hasmod = `darcs whatsnew --repodir="$opt_t" -l`;
         $opt_V .= '-dirty' unless $?;
     }
-    $cv = ""; # ToDo
+    $cv = `darcs log --last 1`;
+    $cv =~ s/\A .* Date: \s+ (\N+) .* \z/$1/sx;
 }
 if (!$vcs && -d "$opt_t/.hg") { # Mercurial
     print "== Found <top>/.hg directory\n" if $opt_v;