Clarify/correct error message

Sander Maijers · Sander Maijers · commit 1d4a332e046c · 2016-08-16T15:47:17.000+02:00
The error also occurs if the `git` utility isn't available.
diff --git a/pre_commit/git.py b/pre_commit/git.py
@@ -20,7 +20,8 @@ def get_root():
         return cmd_output('git', 'rev-parse', '--show-toplevel')[1].strip()
     except CalledProcessError:
         raise FatalError(
-            'Called from outside of the gits.  Please cd to a git repository.'
+            'git failed. Is it installed, and are you in a Git repository '
+            'directory?'
         )
 
 

Original file line number	Diff line number	Diff line change
`@@ -20,7 +20,8 @@ def get_root():`
`20`	`20`	`return cmd_output('git', 'rev-parse', '--show-toplevel')[1].strip()`
`21`	`21`	`except CalledProcessError:`
`22`	`22`	`raise FatalError(`
`23`		`- 'Called from outside of the gits. Please cd to a git repository.'`
	`23`	`+ 'git failed. Is it installed, and are you in a Git repository '`
	`24`	`+ 'directory?'`
`24`	`25`	`)`
`25`	`26`
`26`	`27`