wehub-resource-sync
66 lines
2.7 KiB
TypeScript
66 lines
2.7 KiB
TypeScript
import { afterEach, beforeEach, describe, expect, it } from "bun:test";
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import * as fs from "node:fs";
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import * as os from "node:os";
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import * as path from "node:path";
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import { repo } from "@oh-my-pi/pi-coding-agent/utils/git";
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// Builds the on-disk shape of a linked git worktree without invoking git:
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// <project>/.git/ ← shared common dir (basename ".git")
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// <project>/.git/worktrees/<name>/ ← this worktree's gitdir
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// <worktreeRoot>/.git ← file: `gitdir: <…/worktrees/<name>>`
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function linkWorktree(project: string, worktreeRoot: string): void {
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const commonDir = path.join(project, ".git");
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const gitDir = path.join(commonDir, "worktrees", path.basename(worktreeRoot));
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fs.mkdirSync(gitDir, { recursive: true });
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fs.mkdirSync(worktreeRoot, { recursive: true });
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fs.writeFileSync(path.join(commonDir, "HEAD"), "ref: refs/heads/main\n", "utf8");
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fs.writeFileSync(path.join(gitDir, "HEAD"), "ref: refs/heads/feature\n", "utf8");
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fs.writeFileSync(path.join(gitDir, "commondir"), `${path.relative(gitDir, commonDir)}\n`, "utf8");
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fs.writeFileSync(path.join(worktreeRoot, ".git"), `gitdir: ${path.relative(worktreeRoot, gitDir)}\n`, "utf8");
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}
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describe("git repo.linkedWorktreeSync", () => {
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let tempRoot: string;
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beforeEach(() => {
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tempRoot = fs.realpathSync.native(fs.mkdtempSync(path.join(os.tmpdir(), "omp-linked-worktree-")));
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});
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afterEach(() => {
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fs.rmSync(tempRoot, { recursive: true, force: true, maxRetries: 5, retryDelay: 50 });
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});
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it("names the worktree root and the shared primary checkout", () => {
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const project = path.join(tempRoot, "pi");
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const worktreeRoot = path.join(tempRoot, ".tree", "pi", "xx");
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linkWorktree(project, worktreeRoot);
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expect(repo.linkedWorktreeSync(worktreeRoot)).toEqual({ root: worktreeRoot, primaryRoot: project });
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});
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it("resolves from a subdirectory of the worktree to the worktree root", () => {
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const project = path.join(tempRoot, "pi");
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const worktreeRoot = path.join(tempRoot, ".tree", "pi", "xx");
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linkWorktree(project, worktreeRoot);
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const sub = path.join(worktreeRoot, "packages", "foo");
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fs.mkdirSync(sub, { recursive: true });
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expect(repo.linkedWorktreeSync(sub)).toEqual({ root: worktreeRoot, primaryRoot: project });
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});
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it("returns null for the primary checkout", () => {
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const project = path.join(tempRoot, "pi");
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linkWorktree(project, path.join(tempRoot, ".tree", "pi", "xx"));
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expect(repo.linkedWorktreeSync(project)).toBeNull();
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});
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it("returns null outside any repository", () => {
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const bare = path.join(tempRoot, "loose");
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fs.mkdirSync(bare, { recursive: true });
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expect(repo.linkedWorktreeSync(bare)).toBeNull();
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});
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});
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