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/* eslint-disable no-unused-vars */
// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
exports.id = "singleRequestManager";
const safeJsonStringify = require("safe-json-stringify");
const { findPickToBranches, repoUsesStaging } = require("./toolbox");
const gerritTools = require("./gerritRESTTools");
// The singleRequestManager processes incoming changes linerally.
// When start() is called, the request progresses through branch
// validation, tries to create a cherry pick, and tries to stage it.
class singleRequestManager {
constructor(logger, retryProcessor, requestProcessor) {
this.logger = logger;
this.retryProcessor = retryProcessor;
this.requestProcessor = requestProcessor;
this.handleValidBranch = this.handleValidBranch.bind(this);
this.requestProcessor.addListener(
"singleRequest_validBranch",
this.handleValidBranch
);
this.ltsTargetChecked = this.ltsTargetChecked.bind(this);
this.requestProcessor.addListener(
"singleRequest_ltsTargetChecked",
this.ltsTargetChecked
);
this.handleNewCherryPick = this.handleNewCherryPick.bind(this);
this.requestProcessor.addListener("singleRequest_newCherryPick", this.handleNewCherryPick);
this.handleCherryPickDone = this.handleCherryPickDone.bind(this);
this.requestProcessor.addListener("singleRequest_cherryPickDone", this.handleCherryPickDone);
this.handleCherrypickReadyForStage = this.handleCherrypickReadyForStage.bind(this);
this.requestProcessor.addListener(
"singleRequest_cherrypickReadyForStage",
this.handleCherrypickReadyForStage
);
this.handleStagingDone = this.handleStagingDone.bind(this);
this.requestProcessor.addListener("singleRequest_stagingDone", this.handleStagingDone);
}
start(parentJSON, picks) {
let _this = this;
function emit(parentCopy, branch) {
_this.requestProcessor.emit(
"validateBranch", parentCopy, branch,
"singleRequest_validBranch"
);
}
_this.logger.log(
`Starting SingleRequest Manager process for ${parentJSON.fullChangeID}`,
"verbose", parentJSON.uuid
);
Object.keys(picks).forEach(function (branch) {
let parentCopy = _this.requestProcessor.toolbox.deepCopy(parentJSON)
if (picks[branch].length > 0) {
const originalPicks = Array.from(findPickToBranches(parentCopy.uuid, parentCopy.change.commitMessage));
let missing = picks[branch].filter(x => !originalPicks.includes(x));
// Check the target branch itself since it may not be in originalPicks and could have been
// added by the bot.
if (!originalPicks.includes(branch))
missing.push(branch);
if (missing.length > 0) {
gerritTools.locateDefaultAttentionUser(parentJSON.uuid, parentCopy,
parentJSON.patchSet.uploader.email, function(user) {
function postComment() {
const plural = missing.length > 1;
_this.requestProcessor.gerritCommentHandler(parentCopy.uuid,
parentCopy.fullChangeID, undefined,
`Automatic cherry-picking detected missing Pick-to targets.`
+`\nTarget${plural ? 's' : ''} "${missing.join(", ")}"`
+ ` ${plural ? "have" : "has"} been automatically added to the`
+ ` cherry-pick for ${branch}.\nPlease review for correctness.`);
}
if (user && user == "copyReviewers") {
// Do nothing since we don't have a default attention user.
// This typically means the change was self-approved.
} else {
gerritTools.setChangeReviewers(parentJSON.uuid, parentCopy.fullChangeID,
[user], undefined, function() {
gerritTools.addToAttentionSet(
parentJSON.uuid, parentCopy, user, "Relevant user",
parentJSON.customGerritAuth,
function (success, data) {
if (!success) {
_this.logger.log(
`Failed to add "${safeJsonStringify(parentJSON.change.owner)}" to the`
+ ` attention set of ${parentCopy.id}\n`
+ `Reason: ${safeJsonStringify(data)}`,
"error", parentJSON.uuid
);
}
postComment();
}
);
});
}
});
}
parentCopy.change.commitMessage = parentCopy.change.commitMessage
.replace(/^Pick-to:.+$/gm, `Pick-to: ${picks[branch].join(" ")}`);
emit(parentCopy, branch);
} else {
parentCopy.change.commitMessage = parentCopy.change.commitMessage
.replace(/^Pick-to:.+$\n/gm, "");
emit(parentCopy, branch);
}
});
}
handleValidBranch(parentJSON, branch, newParentRev) {
let _this = this;
_this.requestProcessor.emit(
"checkLtsTarget", parentJSON, branch, newParentRev,
"singleRequest_ltsTargetChecked"
);
}
ltsTargetChecked(parentJSON, branch, newParentRev) {
let _this = this;
_this.requestProcessor.emit(
"validBranchReadyForPick", parentJSON, branch, newParentRev, null,
"singleRequest_newCherryPick"
);
}
handleNewCherryPick(parentJSON, cherryPickJSON) {
let _this = this;
_this.requestProcessor.emit(
"newCherryPick", parentJSON, cherryPickJSON,
"singleRequest_cherryPickDone"
);
}
handleCherryPickDone(parentJSON, cherryPickJSON) {
let _this = this;
_this.requestProcessor.emit(
"cherryPickDone", parentJSON, cherryPickJSON,
"singleRequest_cherrypickReadyForStage"
);
}
handleCherrypickReadyForStage(parentJSON, cherryPickJSON) {
let _this = this;
if (repoUsesStaging(parentJSON.uuid, cherryPickJSON)) {
_this.requestProcessor.emit(
"cherrypickReadyForStage", parentJSON, cherryPickJSON,
"singleRequest_stagingDone"
);
} else {
_this.requestProcessor.emit(
"cherrypickReadyForSubmit", parentJSON, cherryPickJSON,
"singleRequest_integrationDone"
);
}
}
handleStagingDone(success, data) {
let _this = this;
// Stub for later expansion.
}
}
module.exports = singleRequestManager;
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