A small tool for rebasing pr (#3781)

extra/rebase-pr.js

@@ -0,0 +1,34 @@
+const { execSync } = require("child_process");
+
+/**
+ * Rebase a PR onto such as 1.23.X or master
+ * @returns {Promise<void>}
+ */
+async function main() {
+    const branch = process.argv[2];
+
+    // Use gh to get current branch's pr id
+    let currentBranchPRID = execSync("gh pr view --json number --jq \".number\"").toString().trim();
+    console.log("Pr ID: ", currentBranchPRID);
+
+    // Use gh commend to get pr commits
+    const prCommits = JSON.parse(execSync(`gh pr view ${currentBranchPRID} --json commits`).toString().trim());
+    console.log("Found commits: ", prCommits.commits.length);
+
+    // Get the oldest commit id
+    const oldestCommitID = prCommits.commits[prCommits.commits.length - 1].oid;
+    console.log("Oldest commit id of this pr:", oldestCommitID);
+
+    // Get the latest commit id of the target branch
+    const latestCommitID = execSync(`git rev-parse origin/${branch}`).toString().trim();
+    console.log("Latest commit id of " + branch + ":", latestCommitID);
+
+    // Get the original parent commit id of the oldest commit
+    const originalParentCommitID = execSync(`git log --pretty=%P -n 1 "${oldestCommitID}"`).toString().trim();
+    console.log("Original parent commit id of the oldest commit:", originalParentCommitID);
+
+    // Rebase the pr onto the target branch
+    execSync(`git rebase --onto ${latestCommitID} ${originalParentCommitID}`);
+}
+
+main();

package.json

@@ -72,7 +72,8 @@
         "deploy-demo-server": "node extra/deploy-demo-server.js",
         "sort-contributors": "node extra/sort-contributors.js",
         "quick-run-nightly": "docker run --rm --env NODE_ENV=development -p 3001:3001 louislam/uptime-kuma:nightly2",
-        "start-dev-container": "cd docker && docker-compose -f docker-compose-dev.yml up --force-recreate"
+        "start-dev-container": "cd docker && docker-compose -f docker-compose-dev.yml up --force-recreate",
+        "rebase-pr-to-1.23.X": "node extra/rebase-pr.js 1.23.X"
     },
     "dependencies": {
         "@grpc/grpc-js": "~1.7.3",