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Use full-length hashes in Mercurial local commit information

Summary:
Expand 12-character hashes to 40-character hashes so other things will work
properly.

Also use "hg id" instead of "hg summary" to figure out where the working copy
is, since it's substantially simpler.

Test Plan: Ran "arc diff" and got properly 40-character hashes.

Reviewers: Makinde, aran

Reviewed By: Makinde

CC: aran, Makinde

Differential Revision: 962
This commit is contained in:
epriestley 2011-09-26 14:35:42 -07:00
parent ef0a9cbb79
commit fe5355e4e4
2 changed files with 26 additions and 12 deletions

View file

@ -112,6 +112,27 @@ class ArcanistMercurialAPI extends ArcanistRepositoryAPI {
// is inclusive, while "hg diff" is exclusive.
array_shift($logs);
// Expand short hashes (12 characters) to full hashes (40 characters) by
// issuing a big "hg log" command. Possibly we should do this with parents
// too, but nothing uses them directly at the moment.
if ($logs) {
$cmd = array();
foreach (ipull($logs, 'rev') as $rev) {
$cmd[] = csprintf('--rev %s', $rev);
}
list($full) = execx(
'(cd %s && hg log --template %s %C --)',
$this->getPath(),
'{node}\\n',
implode(' ', $cmd));
$full = explode("\n", trim($full));
foreach ($logs as $key => $dict) {
$logs[$key]['rev'] = array_pop($full);
}
}
return $logs;
}
@ -257,20 +278,12 @@ class ArcanistMercurialAPI extends ArcanistRepositoryAPI {
// use "hg summary" to figure out what is actually in the working copy.
// For instance, "hg up 4 && arc diff" should not show commits 5 and above.
// The output of "hg summary" is different from the output of other hg
// commands so just parse it manually.
// Without arguments, "hg id" shows the current working directory's commit,
// and "--debug" expands it to a 40-character hash.
list($stdout) = execx(
'(cd %s && hg summary)',
'(cd %s && hg --debug id --id)',
$this->getPath());
$lines = explode("\n", $stdout);
$first = head($lines);
$match = null;
if (!preg_match('/^parent: \d+:([^ ]+)( |$)/', $first, $match)) {
throw new Exception("Unable to parse 'hg summary'.");
}
return trim($match[1]);
return trim($stdout);
}
public function supportsRelativeLocalCommits() {

View file

@ -14,6 +14,7 @@ phutil_require_module('arcanist', 'repository/parser/mercurial');
phutil_require_module('phutil', 'future/exec');
phutil_require_module('phutil', 'utils');
phutil_require_module('phutil', 'xsprintf/csprintf');
phutil_require_source('ArcanistMercurialAPI.php');