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gitでハッシュ値を取得

以下のようにするとHEADのハッシュ値が得られる

$ git rev-parse HEAD
b5b862f5072d516a86e7c469bb015898e7cc631b

ユースケースとしてはスクリプトなどでgitのコミットのリビジョンを比べながら何かしたい時に使える

sha = `git rev-parse HEAD`

参考:StackOverflow(How to retrieve the hash for the current commit in Git?)

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41
Help us understand the problem. What are the problem?