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Code Issues Releases Wiki Activity

Replace "arc merge" with "arc land --merge" for git

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Summary:
I think "arc land" is better than "arc merge" in every case? Make "arc merge"
hg-only (possibly nuke it later, see T614) and point users at "arc land".

Add an explicit "--merge" flag to force --no-ff behavior in mutable reposiories.

Test Plan:
Ran "arc land --hold --merge <feature>" on this branch, got a clean
merge.

Reviewers: fratrik, btrahan

Reviewed By: btrahan

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1647
This commit is contained in:
epriestley 2012-02-20 12:51:14 -08:00
parent 964260b1e0
commit 085963501b
2 changed files with 31 additions and 20 deletions
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19
src/workflow/land/ArcanistLandWorkflow.php
View file

@ -25,7 +25,7 @@ final class ArcanistLandWorkflow extends ArcanistBaseWorkflow {
public function getCommandHelp() {
return phutil_console_format(<<<EOTEXT
**land** __branch__ [--onto __master__]
**land** [__options__] __branch__ [--onto __master__]
Supports: git
Land an accepted change (currently sitting in local feature branch
@ -34,8 +34,9 @@ final class ArcanistLandWorkflow extends ArcanistBaseWorkflow {
In mutable repositories, this will perform a --squash merge (the
entire branch will be represented by one commit on __master__). In
immutable repositories, it will perform a --no-ff merge (the branch
will always be merged into __master__ with a merge commit).
immutable repositories (or when --merge is provided), it will perform
a --no-ff merge (the branch will always be merged into __master__ with
a merge commit).
EOTEXT
);
@ -76,6 +77,11 @@ EOTEXT
'param' => 'origin',
'help' => "Push to a remote other than 'origin' (default).",
),
'merge' => array(
'help' => 'Perform a --no-ff merge, not a --squash merge. If the '.
'project is marked as having an immutable history, this is '.
'the default behavior.',
),
'*' => 'branch',
);
}
@ -90,7 +96,8 @@ EOTEXT
$remote = $this->getArgument('remote', 'origin');
$onto = $this->getArgument('onto', 'master');
$is_immutable = $this->isHistoryImmutable();
$is_immutable = $this->isHistoryImmutable() ||
$this->getArgument('merge');
$repository_api = $this->getRepositoryAPI();
if (!($repository_api instanceof ArcanistGitAPI)) {
@ -192,7 +199,7 @@ EOTEXT
if ($revision['status'] != ArcanistDifferentialRevisionStatus::ACCEPTED) {
$ok = phutil_console_confirm(
"Revision 'D{$id}: {$rev_title}' has not been accepted. Continue ".
"Revision 'D{$rev_id}: {$rev_title}' has not been accepted. Continue ".
"anyway?");
if (!$ok) {
throw new ArcanistUserAbortException();
@ -224,7 +231,7 @@ EOTEXT
throw new ArcanistUsageException(
"'git merge' failed. Your working copy has been left in a partially ".
"merged state. You can: abort with 'git merge --abort'; or follow ".
"the instructions to complete the merge, and then push.");
"the instructions to complete the merge.");
}
} else {
// In mutable histories, do a --squash merge.

32
src/workflow/merge/ArcanistMergeWorkflow.php
View file

@ -27,19 +27,15 @@ final class ArcanistMergeWorkflow extends ArcanistBaseWorkflow {
public function getCommandHelp() {
return phutil_console_format(<<<EOTEXT
**merge** [__branch__] [--revision __revision_id__] [--show]
Supports: git, hg
Execute a "git merge <branch>" or "hg merge --rev <branch>" of a
reviewed branch, but give the merge commit a useful commit message
with information from Differential.
Supports: hg
Execute a "hg merge --rev <branch>" of a reviewed branch, but give the
merge commit a useful commit message with information from
Differential.
In Git, this operates like "git merge <branch>" and should be executed
from the branch you want to merge __into__, just like "git merge".
Branch is required.
In Mercurial, this operates like "hg merge" (default) or
"hg merge --rev <branch>" and should be executed from the branch you
want to merge __from__, just like "hg merge". It will also effect an
"hg commit" with a rich commit message.
Tthis operates like "hg merge" (default) or "hg merge --rev <branch>"
and should be executed from the branch you want to merge __from__,
just like "hg merge". It will also effect an "hg commit" with a rich
commit message if possible.
EOTEXT
);
@ -78,11 +74,19 @@ EOTEXT
}
public function run() {
$repository_api = $this->getRepositoryAPI();
if ($repository_api instanceof ArcanistGitAPI) {
throw new ArcanistUsageException(
"'arc merge' no longer supports git. Use ".
"'arc land --keep-branch --hold --merge <feature_branch>' instead.");
}
$this->writeStatusMessage(
phutil_console_format(
"**WARNING:** 'arc merge' is new and experimental.\n"));
$repository_api = $this->getRepositoryAPI();
if (!$repository_api->supportsLocalBranchMerge()) {
$name = $repository_api->getSourceControlSystemName();
throw new ArcanistUsageException(
@ -157,7 +161,7 @@ EOTEXT
}
protected function getSupportedRevisionControlSystems() {
return array('git', 'hg');
return array('hg');
}
}