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Fix parsing of Git branches with common and useful name "0"
Summary: See <https://discourse.phabricator-community.org/t/arc-has-a-spurious-failure-on-arc-diff/521>. Oh, PHP! Test Plan: Created a branch named "0", ran `arc diff`. Before: fatal. After: this beautiful revision. Reviewers: amckinley Reviewed By: amckinley Differential Revision: https://secure.phabricator.com/D18678
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2 changed files with 7 additions and 3 deletions
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@ -497,6 +497,10 @@ final class ArcanistGitAPI extends ArcanistRepositoryAPI {
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return null;
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}
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if (!strlen($branch)) {
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return null;
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}
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return $branch;
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}
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@ -509,7 +513,7 @@ final class ArcanistGitAPI extends ArcanistRepositoryAPI {
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// Verify this, and strip it.
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$ref = rtrim($stdout);
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$branch = $this->getBranchNameFromRef($ref);
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if (!$branch) {
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if ($branch === null) {
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throw new Exception(
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pht('Failed to parse %s output!', 'git symbolic-ref'));
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}
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@ -1015,7 +1019,7 @@ final class ArcanistGitAPI extends ArcanistRepositoryAPI {
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list($ref, $hash, $epoch, $tree, $desc, $text) = $fields;
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$branch = $this->getBranchNameFromRef($ref);
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if ($branch) {
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if ($branch !== null) {
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$result[] = array(
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'current' => ($branch === $current),
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'name' => $branch,
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@ -444,7 +444,7 @@ EOTEXT
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$branch = $this->getArgument('branch');
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if (empty($branch)) {
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$branch = $this->getBranchOrBookmark();
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if ($branch) {
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if ($branch !== null) {
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$this->branchType = $this->getBranchType($branch);
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// TODO: This message is misleading when landing a detached head or
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