Update generate_version_h.sh0.2

1 files changed, 19 insertions, 4 deletions

diff --git a/generate_version_h.sh b/generate_version_h.sh
index 4ea23c0..a9b39e4 100755
--- a/generate_version_h.sh
+++ b/generate_version_h.sh
@@ -1,8 +1,23 @@
-#!/bin/sh
+#!/bin/bash
 
-VERSION=`git describe --abbrev=0`
-HASH=`git show --format="%h" --no-patch master`
-BRANCH=`git rev-parse --abbrev-ref HEAD`
+if [ -d ".git" ]
+then
+# If we have a git directory use that as an information source
+ VERSION=`git describe --abbrev=0`
+ HASH=`git show --format="%h" --no-patch master`
+ BRANCH=`git rev-parse --abbrev-ref HEAD`
+elif [ "$#" = "3" ]
+then
+# If we have 3 commandline arguments use them
+ VERSION="$1"
+ HASH="$2"
+ BRANCH="$3"
+else
+# We don't know our version
+ VERSION="Unknown"
+ HASH="none"
+ BRANCH="Unknown"
+fi
 
 echo "#ifndef HAVE_VERSION_H"
 echo "#define HAVE_VERSION_H"