Gitでgit addしたあとにgit diffしてファイルの差分を確認する方法をメモしておきます。
git diff --cachedを使う
git diffに--cachedオプションをつけてやれば、git add後にファイルの差分が確認できます。
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| $ git diff --cached ファイル名 |
by 実際に試してみます。
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| # git add前にファイルの差分を確認する | |
| $ git diff README.md | |
| diff --git a/README.md b/README.md | |
| index e69de29..802992c 100644 | |
| --- a/README.md | |
| +++ b/README.md | |
| @@ -0,0 +1 @@ | |
| +Hello world | |
| # git addする | |
| $ git add README.md | |
| # 差分が確認できない。。 | |
| $ git diff README.md | |
| # 「--cached」オプションをつけると差分が確認できた！ | |
| $ git diff --cached README.md | |
| diff --git a/README.md b/README.md | |
| index e69de29..802992c 100644 | |
| --- a/README.md | |
| +++ b/README.md | |
| @@ -0,0 +1 @@ | |
| +Hello world |
git diff --cachedでgit add後にファイルの差分が確認できていますね。
まとめ
git add後にgit diffで差分を確認するときの方法でした。