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Diffstat (limited to 'Documentation/git-rebase.txt')
| -rw-r--r-- | Documentation/git-rebase.txt | 94 |
1 files changed, 92 insertions, 2 deletions
diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index 823f2a4638..30e5c0eb14 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -199,6 +199,9 @@ rebase.stat:: Whether to show a diffstat of what changed upstream since the last rebase. False by default. +rebase.autosquash:: + If set to true enable '--autosquash' option by default. + OPTIONS ------- <newbase>:: @@ -206,6 +209,10 @@ OPTIONS --onto option is not specified, the starting point is <upstream>. May be any valid commit, and not just an existing branch name. ++ +As a special case, you may use "A\...B" as a shortcut for the +merge base of A and B if there is exactly one merge base. You can +leave out at most one of A and B, in which case it defaults to HEAD. <upstream>:: Upstream branch to compare against. May be any valid commit, @@ -246,6 +253,13 @@ on top of the <upstream> branch using the given strategy, using the 'ours' strategy simply discards all patches from the <branch>, which makes little sense. +-X <strategy-option>:: +--strategy-option=<strategy-option>:: + Pass the <strategy-option> through to the merge strategy. + This implies `\--merge` and, if no strategy has been + specified, `-s recursive`. Note the reversal of 'ours' and + 'theirs' as noted in above for the `-m` option. + -q:: --quiet:: Be quiet. Implies --no-stat. @@ -274,9 +288,16 @@ which makes little sense. -f:: --force-rebase:: Force the rebase even if the current branch is a descendant - of the commit you are rebasing onto. Normally the command will + of the commit you are rebasing onto. Normally non-interactive rebase will exit with the message "Current branch is up to date" in such a situation. + Incompatible with the --interactive option. ++ +You may find this (or --no-ff with an interactive rebase) helpful after +reverting a topic branch merge, as this option recreates the topic branch with +fresh commits so it can be remerged successfully without needing to "revert +the reversion" (see the +link:howto/revert-a-faulty-merge.txt[revert-a-faulty-merge How-To] for details). --ignore-whitespace:: --whitespace=<option>:: @@ -288,6 +309,7 @@ which makes little sense. --ignore-date:: These flags are passed to 'git am' to easily change the dates of the rebased commits (see linkgit:git-am[1]). + Incompatible with the --interactive option. -i:: --interactive:: @@ -298,6 +320,11 @@ which makes little sense. -p:: --preserve-merges:: Instead of ignoring merges, try to recreate them. ++ +This uses the `--interactive` machinery internally, but combining it +with the `--interactive` option explicitly is generally not a good +idea unless you know what you are doing (see BUGS below). + --root:: Rebase all commits reachable from <branch>, instead of @@ -309,6 +336,7 @@ which makes little sense. instead. --autosquash:: +--no-autosquash:: When the commit log message begins with "squash! ..." (or "fixup! ..."), and there is a commit whose title begins with the same ..., automatically modify the todo list of rebase -i @@ -316,7 +344,23 @@ which makes little sense. commit to be modified, and change the action of the moved commit from `pick` to `squash` (or `fixup`). + -This option is only valid when '--interactive' option is used. +This option is only valid when the '--interactive' option is used. ++ +If the '--autosquash' option is enabled by default using the +configuration variable `rebase.autosquash`, this option can be +used to override and disable this setting. + +--no-ff:: + With --interactive, cherry-pick all rebased commits instead of + fast-forwarding over the unchanged ones. This ensures that the + entire history of the rebased branch is composed of new commits. ++ +Without --interactive, this is a synonym for --force-rebase. ++ +You may find this helpful after reverting a topic branch merge, as this option +recreates the topic branch with fresh commits so it can be remerged +successfully without needing to "revert the reversion" (see the +link:howto/revert-a-faulty-merge.txt[revert-a-faulty-merge How-To] for details). include::merge-strategies.txt[] @@ -430,6 +474,30 @@ sure that the current HEAD is "B", and call $ git rebase -i -p --onto Q O ----------------------------- +Reordering and editing commits usually creates untested intermediate +steps. You may want to check that your history editing did not break +anything by running a test, or at least recompiling at intermediate +points in history by using the "exec" command (shortcut "x"). You may +do so by creating a todo list like this one: + +------------------------------------------- +pick deadbee Implement feature XXX +fixup f1a5c00 Fix to feature XXX +exec make +pick c0ffeee The oneline of the next commit +edit deadbab The oneline of the commit after +exec cd subdir; make test +... +------------------------------------------- + +The interactive rebase will stop when a command fails (i.e. exits with +non-0 status) to give you an opportunity to fix the problem. You can +continue with `git rebase --continue`. + +The "exec" command launches the command in a shell (the one specified +in `$SHELL`, or the default shell if `$SHELL` is not set), so you can +use shell features (like "cd", ">", ";" ...). The command is run from +the root of the working tree. SPLITTING COMMITS ----------------- @@ -587,6 +655,28 @@ The ripple effect of a "hard case" recovery is especially bad: case" recovery too! +BUGS +---- +The todo list presented by `--preserve-merges --interactive` does not +represent the topology of the revision graph. Editing commits and +rewording their commit messages should work fine, but attempts to +reorder commits tend to produce counterintuitive results. + +For example, an attempt to rearrange +------------ +1 --- 2 --- 3 --- 4 --- 5 +------------ +to +------------ +1 --- 2 --- 4 --- 3 --- 5 +------------ +by moving the "pick 4" line will result in the following history: +------------ + 3 + / +1 --- 2 --- 4 --- 5 +------------ + Authors ------ Written by Junio C Hamano <gitster@pobox.com> and |