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* Merge branch 'nh/empty-rebase'Junio C Hamano2012-06-01
|\ | | | | | | | | * nh/empty-rebase: cherry-pick: regression fix for empty commits
| * cherry-pick: regression fix for empty commitsJunio C Hamano2012-05-29
| | | | | | | | | | | | | | | | | | | | | | | | The earlier "--keep-redundant-commit" series broke "cherry-pick" that is given a commit whose change is already in the current history. Such a cherry-pick would result in an empty change, and should stop with an error, telling the user that conflict resolution may have made the result empty (which is exactly what is happening), but we silently dropped the change on the floor without any message nor non-zero exit code. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'nh/empty-rebase'Junio C Hamano2012-05-07
|\ \ | |/ | | | | | | | | By Neil Horman * nh/empty-rebase: git cherry-pick: do not dereference a potential NULL pointer
| * git cherry-pick: do not dereference a potential NULL pointerNeil Horman2012-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | In the case the pointer could be NULL, the function that gave the caller the NULL pointer would already have issued an error message, so simply returning early with an error status without issuing a new message is sufficient. The same for parse_commit() that will show necessary error message when the argument is not NULL, and will return error silently when the argument is NULL. Noticed-by: Michael Mueller Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'nh/empty-rebase'Junio C Hamano2012-04-30
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | "git rebase" learned to optionally keep commits that do not introduce any change in the original history. By Neil Horman * nh/empty-rebase: git-rebase: add keep_empty flag git-cherry-pick: Add test to validate new options git-cherry-pick: Add keep-redundant-commits option git-cherry-pick: add allow-empty option
| * git-cherry-pick: Add keep-redundant-commits optionNeil Horman2012-04-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * git-cherry-pick: add allow-empty optionNeil Horman2012-04-11
| | | | | | | | | | | | | | | | | | | | | | 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>
* | Merge branch 'rs/commit-list-append'Junio C Hamano2012-04-29
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no need for "commit_list_reverse()" function that only invites inefficient code. By René Scharfe * rs/commit-list-append: commit: remove commit_list_reverse() revision: append to list instead of insert and reverse sequencer: export commit_list_append()
| * | sequencer: export commit_list_append()René Scharfe2012-04-25
| | | | | | | | | | | | | | | | | | | | | | | | This function can be used in other parts of git. Give it a new home in commit.c. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | Merge branch 'rt/cherry-revert-conflict-summary'Junio C Hamano2012-04-27
|\ \ \ | |/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the older days, the header "Conflicts:" in "cherry-pick" and "merge" was separated by a blank line from the list of paths that follow for readability, but when "merge" was rewritten in C, we lost it by mistake. Remove the newline from "cherry-pick" to make them match again. By Ralf Thielow * rt/cherry-revert-conflict-summary: sequencer: remove additional blank line
| * | sequencer: remove additional blank lineRalf Thielow2012-04-19
| |/ | | | | | | | | | | | | | | | | Remove an additional blank line between the headline and the list of conflicted files after doing a recursive merge. Signed-off-by: Ralf Thielow <ralf.thielow@googlemail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | drop casts from users EMPTY_TREE_SHA1_BINJeff King2012-03-23
|/ | | | | | | | | | This macro already evaluates to the correct type, as it casts the string literal to "unsigned char *" itself (and callers who want the literal can use the _LITERAL form). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* cherry-pick: No advice to commit if --no-commitPhil Hord2012-02-22
| | | | | | | | | | | | | | | | | | | | When cherry-pick fails it offers a helpful hint about how to proceed. The hint tells the user how to do the cleanup needed by the conflicted cherry-pick and finish the job after conflict resolution. In case of cherry-pick --no-commit, the hint goes too far. It tells the user to finish up with 'git commit'. That is not what this git-cherry-pick was trying to do in the first place. Restrict the hint in case of --no-commit to avoid giving this extra advice. Also, add a test verifying the reduced hint for the --no-commit version of cherry-pick. Signed-off-by: Phil Hord <hordp@cisco.com> Acked-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'rr/sequencer'Junio C Hamano2012-01-31
|\ | | | | | | | | | | | | | | | | * rr/sequencer: sequencer: factor code out of revert builtin revert: prepare to move replay_action to header Conflicts: builtin/revert.c
| * sequencer: factor code out of revert builtinRamkumar Ramachandra2012-01-11
|/ | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* revert: stop creating and removing sequencer-old directoryJonathan Nieder2011-12-12
| | | | | | | | | | | 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>
* revert: Introduce --reset to remove sequencer stateRamkumar Ramachandra2011-08-04
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>