tldr/pages/common/git-diff.md

git diff

Show changes to tracked files.

• Show changes to tracked files:

git diff {{PATHSPEC}}

• Show only names of changed files:

git diff --name-only {{PATHSPEC}}

• Output a condensed summary of extended header information:

git diff --summary {{PATHSPEC}}

• Show staged (added, but not yet committed) changes only:

git diff --staged

• Create a patch file:

git diff > {{target-file.patch}}