Use git to generate the release date if available.

For now, fall back to the ChangeLog.  Perhaps the release date should
be generated from a file, similar to VERSION, for those cases instead.

1 files changed, 11 insertions, 0 deletions

diff --git a/mkreldate.sh b/mkreldate.sh
new file mode 100755
index 00000000..bdbffdb8
--- /dev/null
+++ b/mkreldate.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+#
+# Generates the reldate.h contents from either git or the ChangeLog file
+
+if [ -e ".git" ] && command -v git >/dev/null 2>&1; then
+  reldate=$(git log -1 --date=short --pretty=format:"%cd")
+else
+  reldate=$(head -n 1 ChangeLog | LC_ALL=C cut -d ' ' -f 1)
+fi
+
+echo 'const char *ReleaseDate = "'$reldate'";'