1 files changed, 17 insertions, 0 deletions
diff --git a/tools/version.sh b/tools/version.sh
new file mode 100755
index 0000000..c680fbe
--- /dev/null
+++ b/tools/version.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+cd "$(dirname "$0")"
+
+dirbase="$(basename "$(pwd)")"
+
+if [ -n "$M1N1_VERSION_TAG" ]; then
+    version="$M1N1_VERSION_TAG"
+elif [ -e ".git" ]; then
+    version="$(git describe --tags --always --dirty)"
+elif [ "$(echo "${dirbase}" | cut -c1-5)" = "m1n1-" ]; then
+    version=$(echo "${dirbase}" | cut -c6-)
+    version="v${version##v}"
+else
+    version="unknown"
+fi
+
+echo "#define BUILD_TAG \"$version\""