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-rw-r--r--Documentation/git-commit.txt45
1 files changed, 39 insertions, 6 deletions
diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index 3fe7ef3..340c5fb 100644
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -9,7 +9,7 @@ SYNOPSIS
--------
[verse]
'git commit' [-a | --interactive | --patch] [-s] [-v] [-u<mode>] [--amend]
- [--dry-run] [(-c | -C | --fixup | --squash) <commit>]
+ [--dry-run] [(-c | -C | --squash) <commit> | --fixup [(amend|reword):]<commit>)]
[-F <file> | -m <msg>] [--reset-author] [--allow-empty]
[--allow-empty-message] [--no-verify] [-e] [--author=<author>]
[--date=<date>] [--cleanup=<mode>] [--[no-]status]
@@ -87,11 +87,44 @@ OPTIONS
Like '-C', but with `-c` the editor is invoked, so that
the user can further edit the commit message.
---fixup=<commit>::
- Construct a commit message for use with `rebase --autosquash`.
- The commit message will be the subject line from the specified
- commit with a prefix of "fixup! ". See linkgit:git-rebase[1]
- for details.
+--fixup=[(amend|reword):]<commit>::
+ Create a new commit which "fixes up" `<commit>` when applied with
+ `git rebase --autosquash`. Plain `--fixup=<commit>` creates a
+ "fixup!" commit which changes the content of `<commit>` but leaves
+ its log message untouched. `--fixup=amend:<commit>` is similar but
+ creates an "amend!" commit which also replaces the log message of
+ `<commit>` with the log message of the "amend!" commit.
+ `--fixup=reword:<commit>` creates an "amend!" commit which
+ replaces the log message of `<commit>` with its own log message
+ but makes no changes to the content of `<commit>`.
++
+The commit created by plain `--fixup=<commit>` has a subject
+composed of "fixup!" followed by the subject line from <commit>,
+and is recognized specially by `git rebase --autosquash`. The `-m`
+option may be used to supplement the log message of the created
+commit, but the additional commentary will be thrown away once the
+"fixup!" commit is squashed into `<commit>` by
+`git rebase --autosquash`.
++
+The commit created by `--fixup=amend:<commit>` is similar but its
+subject is instead prefixed with "amend!". The log message of
+<commit> is copied into the log message of the "amend!" commit and
+opened in an editor so it can be refined. When `git rebase
+--autosquash` squashes the "amend!" commit into `<commit>`, the
+log message of `<commit>` is replaced by the refined log message
+from the "amend!" commit. It is an error for the "amend!" commit's
+log message to be empty unless `--allow-empty-message` is
+specified.
++
+`--fixup=reword:<commit>` is shorthand for `--fixup=amend:<commit>
+--only`. It creates an "amend!" commit with only a log message
+(ignoring any changes staged in the index). When squashed by `git
+rebase --autosquash`, it replaces the log message of `<commit>`
+without making any other changes.
++
+Neither "fixup!" nor "amend!" commits change authorship of
+`<commit>` when applied by `git rebase --autosquash`.
+See linkgit:git-rebase[1] for details.
--squash=<commit>::
Construct a commit message for use with `rebase --autosquash`.