diff --git a/gotime/.gitignore b/gotime/.gitignore
index ae3c172..35551c6 100644
--- a/gotime/.gitignore
+++ b/gotime/.gitignore
@@ -1 +1,3 @@
 /bin/
+/.env
+/.installation/go/
diff --git a/gotime/.installation/Makefile b/gotime/.installation/Makefile
new file mode 100644
index 0000000..c1108e1
--- /dev/null
+++ b/gotime/.installation/Makefile
@@ -0,0 +1,5 @@
+go/src/all.bash:
+	hg clone -u release https://code.google.com/p/go
+
+go/bin/go: go/src/all.bash
+	cd go/src && ./all.bash