GitRequirement: use Utils.git_available?

`which("git")` will return incorrect result for OS X without Xcode/CLT installed, where `/usr/bin/git` is a stub. Closes Homebrew/homebrew#46386. Signed-off-by: Xu Cheng <xucheng@me.com>
2015-11-26 19:55:18 +08:00 · 2015-11-26 19:55:18 +08:00 · e07adf1619
commit e07adf1619
parent fd44154645
1 changed files with 1 additions and 1 deletions
--- a/Library/Homebrew/requirements.rb
+++ b/Library/Homebrew/requirements.rb
@ -122,6 +122,6 @@ end
 class GitRequirement < Requirement
  fatal true
  default_formula "git"
-  satisfy { !!which("git") }
+  satisfy { Utils.git_available? }
 end