1 files changed, 31 insertions, 0 deletions
diff --git a/build2/version/snapshot.cxx b/build2/version/snapshot.cxx
new file mode 100644
index 0000000..be6c147
--- /dev/null
+++ b/build2/version/snapshot.cxx
@@ -0,0 +1,31 @@
+// file      : build2/version/snapshot.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <build2/version/snapshot>
+
+#include <build2/filesystem>
+
+using namespace std;
+
+namespace build2
+{
+  namespace version
+  {
+    snapshot
+    extract_snapshot_git (const dir_path&);
+
+    static const dir_path git (".git");
+
+    snapshot
+    extract_snapshot (const scope& rs)
+    {
+      const dir_path& src_root (rs.src_path ());
+
+      if (exists (src_root / git))
+        return extract_snapshot_git (src_root);
+
+      return snapshot ();
+    }
+  }
+}