kernel/git - git - PowerEL Git System

Commit Graph

Author	SHA1	Message	Date
Liam Beguin	d8ae6c84da	rebase -i: learn to abbreviate command names `git rebase -i` already know how to interpret single-letter command names. Teach it to generate the todo list with these same abbreviated names. Based-on-patch-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Liam Beguin <liambeguin@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	7 years ago
Liam Beguin	0cce4a2756	rebase -i -x: add exec commands via the rebase--helper Recent work on `git-rebase--interactive` aims to convert shell code to C. Even if this is most likely not a big performance enhancement, let's convert it too since a coming change to abbreviate command names requires it to be updated. Signed-off-by: Liam Beguin <liambeguin@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	7 years ago
Liam Beguin	313a48eaca	rebase -i: update functions to use a flags parameter Update functions used in the rebase--helper so that they take a generic 'flags' parameter instead of a growing list of options. Signed-off-by: Liam Beguin <liambeguin@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	7 years ago
Liam Beguin	8dccc7a6b2	rebase -i: refactor transform_todo_ids The transform_todo_ids function is a little hard to read. Lets try to make it easier by using more of the strbuf API. Also, since we'll soon be adding command abbreviations, let's rename the function so it's name reflects that change. Signed-off-by: Liam Beguin <liambeguin@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	7 years ago
Johannes Schindelin	c44a4c650c	rebase -i: rearrange fixup/squash lines using the rebase--helper This operation has quadratic complexity, which is especially painful on Windows, where shell scripts are already slow (mainly due to the overhead of the POSIX emulation layer). Let's reimplement this with linear complexity (using a hash map to match the commits' subject lines) for the common case; Sadly, the fixup/squash feature's design neglected performance considerations, allowing arbitrary prefixes (read: `fixup! hell` will match the commit subject `hello world`), which means that we are stuck with quadratic performance in the worst case. The reimplemented logic also happens to fix a bug where commented-out lines (representing empty patches) were dropped by the previous code. While at it, clarify how the fixup/squash feature works in `git rebase -i`'s man page. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	cdac2b01ff	rebase -i: skip unnecessary picks using the rebase--helper In particular on Windows, where shell scripts are even more expensive than on MacOSX or Linux, it makes sense to move a loop that forks Git at least once for every line in the todo list into a builtin. Note: The original code did not try to skip unnecessary picks of root commits but punts instead (probably --root was not considered common enough of a use case to bother optimizing). We do the same, for now. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	943999493f	rebase -i: check for missing commits in the rebase--helper In particular on Windows, where shell scripts are even more expensive than on MacOSX or Linux, it makes sense to move a loop that forks Git at least once for every line in the todo list into a builtin. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	3546c8d927	rebase -i: also expand/collapse the SHA-1s via the rebase--helper This is crucial to improve performance on Windows, as the speed is now mostly dominated by the SHA-1 transformation (because it spawns a new rev-parse process for every line, and spawning processes is pretty slow from Git for Windows' MSYS2 Bash). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	62db524779	rebase -i: generate the script via rebase--helper The first step of an interactive rebase is to generate the so-called "todo script", to be stored in the state directory as "git-rebase-todo" and to be edited by the user. Originally, we adjusted the output of `git log <options>` using a simple sed script. Over the course of the years, the code became more complicated. We now use shell scripting to edit the output of `git log` conditionally, depending whether to keep "empty" commits (i.e. commits that do not change any files). On platforms where shell scripting is not native, this can be a serious drag. And it opens the door for incompatibilities between platforms when it comes to shell scripting or to Unix-y commands. Let's just re-implement the todo script generation in plain C, using the revision machinery directly. This is substantially faster, improving the speed relative to the shell script version of the interactive rebase from 2x to 3x on Windows. Note that the rearrange_squash() function in git-rebase--interactive relied on the fact that we set the "format" variable to the config setting rebase.instructionFormat. Relying on a side effect like this is no good, hence we explicitly perform that assignment (possibly again) in rearrange_squash(). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	556907f1e1	sequencer (rebase -i): learn about the 'verbose' mode When calling `git rebase -i -v`, the user wants to see some statistics after the commits were rebased. Let's show some. The strbuf we use to perform that task will be used for other things in subsequent commits, hence it is declared and initialized in a wider scope than strictly needed here. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	845839575d	sequencer: support a new action: 'interactive rebase' This patch introduces a new action for the sequencer. It really does not do a whole lot of its own right now, but lays the ground work for patches to come. The intention, of course, is to finally make the sequencer the work horse of the interactive rebase (the original idea behind the "sequencer" concept). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	2863584f5c	sequencer: get rid of the subcommand field The subcommands are used exactly once, at the very beginning of sequencer_pick_revisions(), to determine what to do. This is an unnecessary level of indirection: we can simply call the correct function to begin with. So let's do that. While at it, ensure that the subcommands return an error code so that they do not have to die() all over the place (bad practice for library functions...). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	03a4e260e2	sequencer: plug memory leaks for the option values The sequencer is our attempt to lib-ify cherry-pick. Yet it behaves like a one-shot command when it reads its configuration: memory is allocated and released only when the command exits. This is kind of okay for git-cherry-pick, which is a one-shot command. All the work to make the sequencer its work horse was done to allow using the functionality as a library function, though, including proper clean-up after use. To remedy that, take custody of the option values in question, allocating and duping literal constants as needed and freeing them at end. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	8a2a0f5341	sequencer: use memoized sequencer directory path Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Johannes Schindelin	ee624c0d3f	sequencer: use static initializers for replay_opts This change is not completely faithful: instead of initializing all fields to 0, we choose to initialize command and subcommand to -1 (instead of defaulting to REPLAY_REVERT and REPLAY_NONE, respectively). Practically, it makes no difference at all, but future-proofs the code to require explicit assignments for both fields. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>	8 years ago
Junio C Hamano	75c961b767	merge & sequencer: unify codepaths that write "Conflicts:" hint Two identical loops in suggest_conflicts() in merge, and do_recursive_merge() in sequencer, can use a single helper function extracted from the latter that prepares the "Conflicts:" hint that is meant to remind the user the paths for which merge conflicts had to be resolved to write a better commit log message. Signed-off-by: Junio C Hamano <gitster@pobox.com>	10 years ago
Nicolas Vigier	3253553e12	cherry-pick, revert: add the --gpg-sign option Signed-off-by: Nicolas Vigier <boklm@mars-attacks.org> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	11 years ago
Brandon Casey	bab4d1097c	sequencer.c: teach append_signoff how to detect duplicate s-o-b Teach append_signoff how to detect a duplicate s-o-b in the commit footer. This is in preparation to unify the append_signoff implementations in log-tree.c and sequencer.c. Fixes test in t3511. Signed-off-by: Brandon Casey <bcasey@nvidia.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	12 years ago
Junio C Hamano	250f2492a4	sequencer.c: mark a private file-scope symbol as static Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Miklos Vajna	5ed75e2a3f	cherry-pick: don't forget -s on failure In case 'git cherry-pick -s <commit>' failed, the user had to use 'git commit -s' (i.e. state the -s option again), which is easy to forget about. Instead, write the signed-off-by line early, so plain 'git commit' will have the same result. Also update 'git commit -s', so that in case there is already a relevant Signed-off-by line before the Conflicts: line, it won't add one more at the end of the message. If there is no such line, then add it before the the Conflicts: line. Signed-off-by: Miklos Vajna <vmiklos@suse.cz> Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Chris Webb	4bee958479	cherry-pick: add --allow-empty-message option Scripts such as "git rebase -i" cannot currently cherry-pick commits which have an empty commit message, as git cherry-pick calls git commit without the --allow-empty-message option. Add an --allow-empty-message option to git cherry-pick which is passed through to git commit, so this behaviour can be overridden. Signed-off-by: Chris Webb <chris@arachsys.com> Reviewed-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Neil Horman	b27cfb0d8d	git-cherry-pick: Add keep-redundant-commits option The git-cherry-pick --allow-empty command by default only preserves empty commits that were originally empty, i.e only those commits for which <commit>^{tree} and <commit>^^{tree} are equal. By default commits which are non-empty, but were made empty by the inclusion of a prior commit on the current history are filtered out. This option allows us to override that behavior and include redundant commits as empty commits in the change history. Note that this patch changes the default behavior of git cherry-pick slightly. Prior to this patch all commits in a cherry-pick sequence were applied and git commit was run. The implication here was that, if a commit was redundant, and the commit did not trigger the fast forward logic, the git commit operation, and therefore the git cherry-pick operation would fail, displaying the cherry pick advice (i.e. run git commit --allow-empty). With this patch however, such redundant commits are automatically skipped without stopping, unless --keep-redundant-commits is specified, in which case, they are automatically applied as empty commits. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Neil Horman	df478b744c	git-cherry-pick: add allow-empty option git cherry-pick fails when picking a non-ff commit that is empty. The advice given with the failure is that a git-commit --allow-empty should be issued to explicitly add the empty commit during the cherry pick. This option allows a user to specify before hand that they want to keep the empty commit. This eliminates the need to issue both a cherry pick and a commit operation. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Ramkumar Ramachandra	043a4492b3	sequencer: factor code out of revert builtin Expose the cherry-picking machinery through a public sequencer_pick_revisions() (renamed from pick_revisions() in builtin/revert.c), so that cherry-picking and reverting are special cases of a general sequencer operation. The cherry-pick builtin is now a thin wrapper that does command-line argument parsing before calling into sequencer_pick_revisions(). In the future, we can write a new "foo" builtin that calls into the sequencer like: memset(&opts, 0, sizeof(opts)); opts.action = REPLAY_FOO; opts.revisions = xmalloc(sizeof(*opts.revs)); parse_args_populate_opts(argc, argv, &opts); init_revisions(opts.revs); sequencer_pick_revisions(&opts); This patch does not intend to make any functional changes. Check with: $ git blame -s -C HEAD^..HEAD -- sequencer.c \| grep -C3 '^[^^]' Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Jonathan Nieder	d596118d7a	revert: stop creating and removing sequencer-old directory Now that "git reset" no longer implicitly removes .git/sequencer that the operator may or may not have wanted to keep, the logic to write a backup copy of .git/sequencer and remove it when stale is not needed any more. Simplify the sequencer API and repository layout by dropping it. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Jonathan Nieder	f80a87262a	revert: rename --reset option to --quit The option to "git cherry-pick" and "git revert" to discard the sequencer state introduced by v1.7.8-rc0~141^2~6 (revert: Introduce --reset to remove sequencer state, 2011-08-04) has a confusing name. Change it now, while we still have the time. The new name for "cherry-pick, please get out of my way, since I've long forgotten about the sequence of commits I was cherry-picking when you wrote that old .git/sequencer directory" is --quit. Mnemonic: this is analagous to quiting a program the user is no longer using --- we just want to get out of the multiple-command cherry-pick procedure and not to reset HEAD or rewind any other old state. The "--reset" option is kept as a synonym to minimize the impact. We might consider dropping it for simplicity in a separate patch, though. Adjust documentation and tests to use the newly preferred name (--quit) instead of --reset. While at it, let's clarify the short descriptions of these operations in "-h" output. Before: --reset forget the current operation --continue continue the current operation After: --quit end revert or cherry-pick sequence --continue resume revert or cherry-pick sequence Noticed-by: Phil Hord <phil.hord@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	13 years ago
Ramkumar Ramachandra	26ae337be1	revert: Introduce --reset to remove sequencer state To explicitly remove the sequencer state for a fresh cherry-pick or revert invocation, introduce a new subcommand called "--reset" to remove the sequencer state. Take the opportunity to publicly expose the sequencer paths, and a generic function called "remove_sequencer_state" that various git programs can use to remove the sequencer state in a uniform manner; "git reset" uses it later in this series. Introducing this public API is also in line with our long-term goal of eventually factoring out functions from revert.c into a generic commit sequencer. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	14 years ago

29 Commits (f63b12392aa16a8a7a68900afa906b0382345aad)