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Allow hg arc land when no rebase is necessary
Summary: Previously, trying to arc land in a mercurial repo would fail if the local branch was already at the tip of the onto branch (since hg rebase exited with code 1). This change makes it check if a rebase is needed before executing the rebase. Test Plan: hg init foo cd foo hg bookmark master touch a && hg add a && hg commit -ma // setup your .arcconfig cd .. hg clone foo foo2 cd foo2 hg bookmark mybook touch b && hg add b && hg commit -mb arc land --onto master --revision <your rev number> Arc land should succeed. I also tried landing when a rebase was necessary and it still worked. Reviewers: epriestley, dschleimer, bos Reviewed By: epriestley CC: sid0, aran, Korvin Differential Revision: https://secure.phabricator.com/D4588
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1 changed files with 20 additions and 11 deletions
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@ -470,17 +470,26 @@ EOTEXT
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}
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}
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} else if ($this->isHg) {
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// keep branch here so later we can decide whether to remove it
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$err = $repository_api->execPassthru(
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'rebase -d %s --keepbranches',
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$this->onto);
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if ($err) {
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throw new ArcanistUsageException(
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"'hg rebase {$this->onto}' failed. ".
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"You can abort with 'hg rebase --abort', ".
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"or resolve conflicts and use 'hg rebase ".
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"--continue' to continue forward. After resolving the rebase, ".
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"run 'arc land' again.");
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$onto_tip = $repository_api->getCanonicalRevisionName($this->onto);
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$common_ancestor = $repository_api->getCanonicalRevisionName(
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sprintf("ancestor('%s','%s')",
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$this->onto,
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$this->branch));
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// Only rebase if the local branch is not at the tip of the onto branch.
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if ($onto_tip != $common_ancestor) {
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// keep branch here so later we can decide whether to remove it
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$err = $repository_api->execPassthru(
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'rebase -d %s --keepbranches',
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$this->onto);
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if ($err) {
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throw new ArcanistUsageException(
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"'hg rebase {$this->onto}' failed. ".
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"You can abort with 'hg rebase --abort', ".
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"or resolve conflicts and use 'hg rebase ".
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"--continue' to continue forward. After resolving the rebase, ".
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"run 'arc land' again.");
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}
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}
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}
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