tools: Add gofmt tool for golang files.

vigil/tools.py

@@ -788,7 +788,8 @@ TOOLS_FOR_EXTENSIONS = \
         (["tar.bz2"], [tar_bz2]),
         (["a", "so"], [nm]),
         (IMAGE_EXTENSIONS, [pil, pil_half]),
-        (["bash", "sh", "dash", "ksh"], [shellcheck])
+        (["bash", "sh", "dash", "ksh"], [shellcheck]),
+        (["go"], [gofmt])
     ]
 
 

vigil/tools.yaml

@@ -102,3 +102,10 @@ cppcheck:
   url: cppcheck
   executables: [cppcheck]
   command: cppcheck
+
+gofmt:
+  dependencies: [golang-go]
+  url: golang-go
+  executables: [gofmt]
+  command: gofmt
+  success_status: normal