Generate version information from git info

1 files changed, 27 insertions, 0 deletions

diff --git a/build-helpers/package-version b/build-helpers/package-version
new file mode 100755
index 0000000..61a3018
--- /dev/null
+++ b/build-helpers/package-version
@@ -0,0 +1,27 @@
+#!/bin/sh
+# Syntax:
+#   $0 <path-to-top_srcdir> <version-stamp-file>
+#
+# <path-to-top_srcdir> may be relative
+# <version-stamp-file> is relative to src/build topdir
+
+top_srcdir="${1-.}"
+test -d "$top_srcdir" || { \
+	echo "Could not change to top_srcdir '$1'" >&2; \
+	exit 1; \
+}
+version_stamp="${2-version-stamp}"
+
+# If GIT_DIR is set, use it. If not, try top_srcdir/.git.
+if test -n "$GIT_DIR"; then :;
+else GIT_DIR="$top_srcdir/.git"; export GIT_DIR
+fi
+
+if test -f "$top_srcdir/$version_stamp"; then # dist source tree
+	cat "$top_srcdir/$version_stamp" | ${TR-tr} -d '\012'
+elif test -d "$GIT_DIR"; then # git source tree
+	git_describe=`${GIT-git} describe 2>/dev/null || echo devel`
+	echo "$git_describe" | ${SED-sed} 's/^v//;s/-/./;s/-g/-/' | ${TR-tr} -d '\012'
+else # ???
+	echo "devel" | ${TR-tr} -d '\012'
+fi