Check for grep

Fixes airblade#72
Sambojambo · Apr 1, 2013 · 15dc21a · 15dc21a
1 parent 989ad9b
commit 15dc21a
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diff --git a/README.mkd b/README.mkd
@@ -218,6 +218,7 @@ Here are some things you can check:
 * Your git config is compatible with the version of git which your Vim is calling (`:echo system('git --version')`).
 * Your Vim supports signs (`:echo has('signs')` should give `1`).
 * Your file is being tracked by git and has unstaged changes.
+* `grep` is on your path and available to Vim (`:echo executable('grep')` should return 1)
 
 
 ### Alternatives

diff --git a/plugin/gitgutter.vim b/plugin/gitgutter.vim
@@ -1,4 +1,4 @@
-if exists('g:loaded_gitgutter') || !executable('git') || !has('signs') || &cp
+if exists('g:loaded_gitgutter') || !executable('git') || !executable('grep') || !has('signs') || &cp
   finish
 endif
 let g:loaded_gitgutter = 1