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Rebase is implemented with two different backends - 'apply' and
'merge' each of which support a different set of options. In
particular the apply backend supports a number of options implemented
by 'git am' that are not implemented in the merge backend. This means
that the available options are different depending on which backend is
used which is confusing. This patch adds support for the
--committer-date-is-author-date option to the merge backend. This
option uses the author date of the commit that is being rewritten as
the committer date when the new commit is created.
Original-patch-by: Rohit Ashiwal <rohit.ashiwal265@gmail.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rebase is implemented with two different backends - 'apply' and
'merge' each of which support a different set of options. In
particular the apply backend supports a number of options implemented
by 'git am' that are not implemented in the merge backend. This means
that the available options are different depending on which backend is
used which is confusing. This patch adds support for the
--ignore-whitespace option to the merge backend. This option treats
lines with only whitespace changes as unchanged and is implemented in
the merge backend by translating it to -Xignore-space-change.
Signed-off-by: Rohit Ashiwal <rohit.ashiwal265@gmail.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This reverts commit 5d9324e0f4210bb7d52bcb79efe3935703083f72, reversing
changes made to c58ae96fc4bb11916b62a96940bb70bb85ea5992.
The topic turns out to be too buggy for real use.
cf. <f2fe7437-8a48-3315-4d3f-8d51fe4bb8f1@gmail.com>
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"git rebase -i" learned a few options that are known by "git
rebase" proper.
* ra/rebase-i-more-options:
rebase -i: finishing touches to --reset-author-date
rebase: add --reset-author-date
rebase -i: support --ignore-date
sequencer: rename amend_author to author_to_rename
rebase -i: support --committer-date-is-author-date
sequencer: allow callers of read_author_script() to ignore fields
rebase -i: add --ignore-whitespace flag
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rebase am already has this flag to "lie" about the committer date
by changing it to the author date. Let's add the same for
interactive machinery.
Signed-off-by: Rohit Ashiwal <rohit.ashiwal265@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are two backends available for rebasing, viz, the am and the
interactive. Naturally, there shall be some features that are
implemented in one but not in the other. One such flag is
--ignore-whitespace which indicates merge mechanism to treat lines
with only whitespace changes as unchanged. Wire the interactive
rebase to also understand the --ignore-whitespace flag by
translating it to -Xignore-space-change.
Signed-off-by: Rohit Ashiwal <rohit.ashiwal265@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We already support merge strategies in the sequencer, but only for
`pick` commands.
With this commit, we now also support them in `merge` commands. The
approach is simple: if any merge strategy option is specified, or if any
merge strategy other than `recursive` is specified, we simply spawn the
`git merge` command. Otherwise, we handle the merge in-process just as
before.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `--preserve-merges` option has been deprecated, and as a consequence
we started to mark test cases that require that option to be supported,
in preparation for removing that support eventually.
Since we marked those test cases, a couple more crept into the test
suite, and with this patch, we mark them, too.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git rebase has three different types: am, merge, and interactive, all of
which are implemented in terms of separate scripts. am builds on git-am,
merge builds on git-merge-recursive, and interactive builds on
git-cherry-pick. We make use of features in those lower-level commands in
the different rebase types, but those features don't exist in all of the
lower level commands so we have a range of incompatibilities. Previously,
we just accepted nearly any argument and silently ignored whichever ones
weren't implemented for the type of rebase specified. Change this so the
incompatibilities are documented, included in the testsuite, and tested
for at runtime with an appropriate error message shown.
Some exceptions I left out:
* --merge and --interactive are technically incompatible since they are
supposed to run different underlying scripts, but with a few small
changes, --interactive can do everything that --merge can. In fact,
I'll shortly be sending another patch to remove git-rebase--merge and
reimplement it on top of git-rebase--interactive.
* One could argue that --interactive and --quiet are incompatible since
--interactive doesn't implement a --quiet mode (perhaps since
cherry-pick itself does not implement one). However, the interactive
mode is more quiet than the other modes in general with progress
messages, so one could argue that it's already quiet.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git rebase is split into three types: am, merge, and interactive. Various
options imply different types, and which mode we are using determine which
sub-script (git-rebase--$type) is executed to finish the work. Not all
options work with all types, so add tests for combinations where we expect
to receive an error rather than having options be silently ignored.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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