show running commit in footer

config.lua

@@ -1,6 +1,13 @@
 local config = require("lapis.config")
 local secrets = require("secrets.secrets")
 
+local commit = nil
+local f = io.open(".git/refs/heads/main", "r")
+if f then
+  print("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!read commit")
+  commit = f:read(8)
+  f:close()
+end
 config({"development", "production"}, {
   port = 8080,
   server = "nginx",
@@ -11,6 +18,7 @@ config({"development", "production"}, {
   },
   secret = "SUPER SECRET",
   session_name = "porom_session",
+  commit = commit,
 })
 
 config("production", {