spacewander d9724f3b46 use mixin to add 'is git repo' check for some commands ... When those commands are used outside a git repo, 'Not a git repo!' will be printed to stderr		2014-09-25 00:41:43 +08:00
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is-git-repo	use mixin to add 'is git repo' check for some commands	2014-09-25 00:41:43 +08:00