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-rwxr-xr-xutils/gen-version.sh10
1 files changed, 8 insertions, 2 deletions
diff --git a/utils/gen-version.sh b/utils/gen-version.sh
index b09ad495..d0048179 100755
--- a/utils/gen-version.sh
+++ b/utils/gen-version.sh
@@ -4,10 +4,16 @@
# Generate a version string using git describe
build_dir="$1"
+src_dir="$2"
# Bail out if the directory isn't under git control
-src_dir=$(git rev-parse --git-dir 2>&1) || exit 1
-src_dir=$(readlink -f "$src_dir/..")
+git_dir=$(git rev-parse --git-dir 2>&1) || exit 1
+
+# Derive the source directory from the git directory if not specified.
+if [ -z "$src_dir" ]
+then
+ src_dir=$(readlink -f "$git_dir/..")
+fi
# Get a short description from the tree.
version=$(git describe --abbrev=8 --match "v[0-9]*" 2>/dev/null)