8000 fix(dev-infra): detect multiple target labels as invalid by josephperrott · Pull Request #40156 · angular/angular · GitHub
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fix(dev-infra): detect multiple target labels as invalid #40156

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fix(dev-infra): detect multiple target labels as invalid #40156

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26ff23a
fix(dev-infra): detect multiple target labels as invalid
josephperrott Dec 16, 2020
4b89baf
fixup! fix(dev-infra): detect multiple target labels as invalid
josephperrott Jan 8, 2021
fe502d2
fixup! fix(dev-infra): detect multiple target labels as invalid
josephperrott Jan 8, 2021
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fix(dev-infra): detect multiple target labels as invalid 
When multiple target labels are applied to a PR, it should be considered
invalid as our tooling does not support a single PR targetting multiple
trains/versions.
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@josephperrott
josephperrott committed Dec 16, 2020
commit 26ff23a71c1fb6eb44f3a2d71fc1deed978b638c
16 changes: 11 additions & 5 deletions dev-infra/ng-dev.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2782,21 +2782,21 @@ var InvalidTargetLabelError = /** @class */ (function () {
/** Gets the target label from the specified pull request labels. */
function getTargetLabelFromPullRequest(config, labels) {
var e_1, _a;
/** List of discovered target labels for the PR. */
var matches = [];
var _loop_1 = function (label) {
var match = config.labels.find(function (_a) {
var pattern = _a.pattern;
return matchesPattern(label, pattern);
});
if (match !== undefined) {
return { value: match };
matches.push(match);
}
};
try {
for (var labels_1 = tslib.__values(labels), labels_1_1 = labels_1.next(); !labels_1_1.done; labels_1_1 = labels_1.next()) {
var label = labels_1_1.value;
var state_1 = _loop_1(label);
if (typeof state_1 === "object")
return state_1.value;
_loop_1(label);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
Expand All @@ -2806,7 +2806,13 @@ function getTargetLabelFromPullRequest(config, labels) {
}
finally { if (e_1) throw e_1.error; }
}
return null;
if (matches.length === 0) {
return null;
}
if (matches.length === 1) {
return matches[0];
}
throw new InvalidTargetLabelError("Unable to determine the target for the PR as it has multiple target labels.");
}
/**
* Gets the branches from the specified target label.
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13 changes: 11 additions & 2 deletions dev-infra/pr/merge/target-label.ts
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Expand Up @@ -28,13 +28,22 @@ export class InvalidTargetLabelError {
/** Gets the target label from the specified pull request labels. */
export function getTargetLabelFromPullRequest(
config: Pick<MergeConfig, 'labels'>, labels: string[]): TargetLabel|null {
/** List of discovered target labels for the PR. */
const matches = [];
for (const label of labels) {
const match = config.labels.find(({pattern}) => matchesPattern(label, pattern));
if (match !== undefined) {
return match;
matches.push(match);
}
}
return null;
if (matches.length === 0) {
return null;
}
if (matches.length === 1) {
return matches[0];
}
throw new InvalidTargetLabelError(
`Unable to determine the target for the PR as it has multiple target labels.`);
}

/**
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0