tools: Added go_vet tool for go files.

README.md

@@ -42,4 +42,4 @@ Extensions | Tools
 .a .so | [nm](https://linux.die.net/man/1/nm)
 .png .jpg .gif .bmp .ppm .tiff .tga | [pil](http://python-pillow.github.io/) • [pil_half](http://python-pillow.github.io/)
 .bash .sh .dash .ksh | [shellcheck](http://hackage.haskell.org/package/ShellCheck)
-.go | [gofmt](https://golang.org)
+.go | [gofmt](https://golang.org) • [go_vet](https://golang.org)

vigil/tools.py

@@ -789,7 +789,7 @@ TOOLS_FOR_EXTENSIONS = \
         (["a", "so"], [nm]),
         (IMAGE_EXTENSIONS, [pil, pil_half]),
         (["bash", "sh", "dash", "ksh"], [shellcheck]),
-        (["go"], [gofmt])
+        (["go"], [gofmt, go_vet])
     ]
 
 

vigil/tools.yaml

@@ -109,3 +109,10 @@ gofmt:
   executables: [gofmt]
   command: gofmt
   success_status: normal
+
+go_vet:
+  dependencies: [golang-go]
+  url: golang-go
+  executables: [go]
+  command: go vet
+  error_status: normal