mirror of
https://we.phorge.it/source/phorge.git
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75 lines
2.4 KiB
PHP
75 lines
2.4 KiB
PHP
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<?php
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final class DiffusionInternalGitRawDiffQueryConduitAPIMethod
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extends DiffusionQueryConduitAPIMethod {
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public function isInternalAPI() {
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return true;
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}
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public function getAPIMethodName() {
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return 'diffusion.internal.gitrawdiffquery';
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}
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public function getMethodDescription() {
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return pht('Internal method for getting raw diff information.');
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}
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protected function defineReturnType() {
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return 'string';
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}
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protected function defineCustomParamTypes() {
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return array(
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'commit' => 'required string',
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);
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}
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protected function getResult(ConduitAPIRequest $request) {
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$drequest = $this->getDiffusionRequest();
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$repository = $drequest->getRepository();
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if (!$repository->isGit()) {
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throw new Exception(
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pht(
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'This API method can only be called on Git repositories.'));
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}
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// Check if the commit has parents. We're testing to see whether it is the
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// first commit in history (in which case we must use "git log") or some
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// other commit (in which case we can use "git diff"). We'd rather use
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// "git diff" because it has the right behavior for merge commits, but
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// it requires the commit to have a parent that we can diff against. The
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// first commit doesn't, so "commit^" is not a valid ref.
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list($parents) = $repository->execxLocalCommand(
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'log -n1 --format=%s %s',
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'%P',
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$request->getValue('commit'));
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$use_log = !strlen(trim($parents));
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if ($use_log) {
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// This is the first commit so we need to use "log". We know it's not a
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// merge commit because it couldn't be merging anything, so this is safe.
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// NOTE: "--pretty=format: " is to disable diff output, we only want the
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// part we get from "--raw".
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list($raw) = $repository->execxLocalCommand(
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'log -n1 -M -C -B --find-copies-harder --raw -t '.
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'--pretty=format: --abbrev=40 %s',
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$request->getValue('commit'));
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} else {
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// Otherwise, we can use "diff", which will give us output for merges.
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// We diff against the first parent, as this is generally the expectation
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// and results in sensible behavior.
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list($raw) = $repository->execxLocalCommand(
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'diff -n1 -M -C -B --find-copies-harder --raw -t '.
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'--abbrev=40 %s^1 %s',
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$request->getValue('commit'),
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$request->getValue('commit'));
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}
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return $raw;
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}
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}
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