// Finds duplicate PRs after merge and closes overlapping candidates.

import { execFileSync } from "node:child_process";

import { pathToFileURL } from "node:url";

each duplicate has either a shared referenced issue or overlapping changed hunks. Defaults to dry-run.`;

}

/**

* Parses comma-separated PR numbers from CLI/env input.

*/

export function parsePrNumberList(value) {

return [

...new Set(

];

}

/**

* Parses duplicate PR close workflow arguments.

*/

export function parseArgs(argv, env = process.env) {

const args = {

apply: false,

return [...left].filter((value) => right.has(value));

}

/**

* Parses changed hunk ranges from unified diff text.

*/

export function parseUnifiedDiffRanges(diffText) {

const ranges = new Map();

let currentPath = null;

return ranges;

}

/**

* Reports whether two PR diffs touch overlapping hunks.

*/

export function hasOverlappingHunks(leftRanges, rightRanges) {

for (const [path, left] of leftRanges) {

const right = rightRanges.get(path) ?? [];

Closing #${candidate.number} as a duplicate.`;

}

/**

* Builds the close/skip plan for duplicate PR candidates.

*/

export function buildDuplicateClosePlan({ candidates, diffs, landed, repo }) {

if (landed.state !== "MERGED" || !landed.mergedAt) {

throw new Error(`#${landed.number} is not merged`);

return runGh(["pr", "diff", String(number), "--repo", repo, "--color=never"]);

}

/**

* Applies labels/comments/closes for planned duplicate PR actions.

*/

export function applyClosePlan({ labels = DEFAULT_LABELS, plan, repo, runGh }) {

for (const item of plan) {

if (item.action !== "close") {

}

}

/**

* Runs the duplicate PR close workflow.

*/

export function runDuplicateCloseWorkflow(args, runGh = defaultRunGh) {

const landed = loadPr(args.repo, args.landedPr, runGh);

const candidates = args.duplicates.map((number) => loadPr(args.repo, number, runGh));