Derive version number from git if available

1 files changed, 16 insertions, 0 deletions

diff --git a/src/Version.hs b/src/Version.hs
new file mode 100644
index 0000000..cca3c6d
--- /dev/null
+++ b/src/Version.hs
@@ -0,0 +1,16 @@
+module Version (
+    versionLine,
+) where
+
+import Paths_erebos_webapp (version)
+import Data.Version (showVersion)
+import Version.Git
+
+{-# NOINLINE versionLine #-}
+versionLine :: String
+versionLine = do
+    let ver = case gitVersion of
+            Just gver
+                -> "git " <> gver
+            _   -> "v" <> showVersion version
+     in ver