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Update some ancient "set X=Y" environment code for new Windows execution without a shell

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Summary:
Depends on D21051. Ref T13504. Ref T13209. This very old Mercurial code uses "X=Y hg ..." on Linux and "set X=Y & hg ..." on Windows.

The latter construct no longer works because we bypass the shell. The former construct is obsolete.

Additionaly, delete some ancient "branch merge" code which has no callers.

Test Plan: Created a diff in a Mercurial repository on Linux. I minimally vetted this on Windows since I don't have a "hg + Windows" environment at the moment.

Maniphest Tasks: T13504, T13209

Differential Revision: https://secure.phabricator.com/D21052
This commit is contained in:
epriestley 2020-04-02 12:57:33 -07:00
parent d4d095dbf6
commit 368aec16a1
4 changed files with 33 additions and 75 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/repository/api/ArcanistGitAPI.php
View file

@ -1181,26 +1181,6 @@ final class ArcanistGitAPI extends ArcanistRepositoryAPI {
return $parser->parseDiff($diff);
}
public function supportsLocalBranchMerge() {
return true;
}
public function performLocalBranchMerge($branch, $message) {
if (!$branch) {
throw new ArcanistUsageException(
pht('Under git, you must specify the branch you want to merge.'));
}
$err = phutil_passthru(
'(cd %s && git merge --no-ff -m %s %s)',
$this->getPath(),
$message,
$branch);
if ($err) {
throw new ArcanistUsageException(pht('Merge failed!'));
}
}
public function getFinalizedRevisionMessage() {
return pht(
"You may now push this commit upstream, as appropriate (e.g. with ".

78
src/repository/api/ArcanistMercurialAPI.php
View file

@ -13,36 +13,29 @@ final class ArcanistMercurialAPI extends ArcanistRepositoryAPI {
private $supportsPhases;
protected function buildLocalFuture(array $argv) {
// Mercurial has a "defaults" feature which basically breaks automation by
// allowing the user to add random flags to any command. This feature is
// "deprecated" and "a bad idea" that you should "forget ... existed"
// according to project lead Matt Mackall:
//
// http://markmail.org/message/hl3d6eprubmkkqh5
//
// There is an HGPLAIN environmental variable which enables "plain mode"
// and hopefully disables this stuff.
$env = $this->getMercurialEnvironmentVariables();
if (phutil_is_windows()) {
$argv[0] = 'set HGPLAIN=1 & hg '.$argv[0];
} else {
$argv[0] = 'HGPLAIN=1 hg '.$argv[0];
}
$argv[0] = 'hg '.$argv[0];
$future = newv('ExecFuture', $argv)
->setEnv($env)
->setCWD($this->getPath());
$future = newv('ExecFuture', $argv);
$future->setCWD($this->getPath());
return $future;
}
public function execPassthru($pattern /* , ... */) {
$args = func_get_args();
if (phutil_is_windows()) {
$args[0] = 'hg '.$args[0];
} else {
$args[0] = 'HGPLAIN=1 hg '.$args[0];
}
return call_user_func_array('phutil_passthru', $args);
$env = $this->getMercurialEnvironmentVariables();
$args[0] = 'hg '.$args[0];
$passthru = newv('PhutilExecPassthru', $args)
->setEnv($env)
->setCWD($this->getPath());
return $passthru->resolve();
}
public function getSourceControlSystemName() {
@ -616,29 +609,6 @@ final class ArcanistMercurialAPI extends ArcanistRepositoryAPI {
return $parser->parseDiff($diff);
}
public function supportsLocalBranchMerge() {
return true;
}
public function performLocalBranchMerge($branch, $message) {
if ($branch) {
$err = phutil_passthru(
'(cd %s && HGPLAIN=1 hg merge --rev %s && hg commit -m %s)',
$this->getPath(),
$branch,
$message);
} else {
$err = phutil_passthru(
'(cd %s && HGPLAIN=1 hg merge && hg commit -m %s)',
$this->getPath(),
$message);
}
if ($err) {
throw new ArcanistUsageException(pht('Merge failed!'));
}
}
public function getFinalizedRevisionMessage() {
return pht(
"You may now push this commit upstream, as appropriate (e.g. with ".
@ -1133,4 +1103,22 @@ final class ArcanistMercurialAPI extends ArcanistRepositoryAPI {
return null;
}
private function getMercurialEnvironmentVariables() {
$env = array();
// Mercurial has a "defaults" feature which basically breaks automation by
// allowing the user to add random flags to any command. This feature is
// "deprecated" and "a bad idea" that you should "forget ... existed"
// according to project lead Matt Mackall:
//
// http://markmail.org/message/hl3d6eprubmkkqh5
//
// There is an HGPLAIN environmental variable which enables "plain mode"
// and hopefully disables this stuff.
$env['HGPLAIN'] = 1;
return $env;
}
}

6
src/repository/api/ArcanistRepositoryAPI.php
View file

@ -394,12 +394,6 @@ abstract class ArcanistRepositoryAPI extends Phobject {
throw new ArcanistCapabilityNotSupportedException($this);
}
abstract public function supportsLocalBranchMerge();
public function performLocalBranchMerge($branch, $message) {
throw new ArcanistCapabilityNotSupportedException($this);
}
public function getFinalizedRevisionMessage() {
throw new ArcanistCapabilityNotSupportedException($this);
}

4
src/repository/api/ArcanistSubversionAPI.php
View file

@ -634,10 +634,6 @@ EODIFF;
return $this->getSourceControlBaseRevision();
}
public function supportsLocalBranchMerge() {
return false;
}
public function getFinalizedRevisionMessage() {
// In other VCSes we give push instructions here, but it never makes sense
// in SVN.