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Suppose you’ve edited 2 files
$ git status
On branch main
Changes to be committed:
modified: staged.txt
Changes not staged for commit:
modified: unstaged.txt
(”modified: staged.txt” are staged changes added with git add. modified: unstaged.txt are unstaged changes.)
Here are the 3 ways git can show you a diff for these changes:
- git diff: unstaged changes
- git diff --staged: staged changes
- git diff HEAD: staged+unstaged changes
A couple more diff tricks:
- git diff --stat gives you a summary of which files were changed & number of added/deleted lines
- git diff --check checks for merge conflict markers & whitespace errors
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