mirror of https://github.com/garrytan/gstack.git
111 lines
3.8 KiB
TypeScript
111 lines
3.8 KiB
TypeScript
/**
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* find-browse — locate the gstack browse binary.
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*
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* Compiled to browse/dist/find-browse (standalone binary, no bun runtime needed).
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* Outputs the absolute path to the browse binary on stdout, or exits 1 if not found.
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*/
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import { accessSync, constants } from 'fs';
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import { join } from 'path';
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import { homedir } from 'os';
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// ─── Binary Discovery ───────────────────────────────────────────
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function getGitRoot(): string | null {
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try {
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const proc = Bun.spawnSync(['git', 'rev-parse', '--show-toplevel'], {
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stdout: 'pipe',
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stderr: 'pipe',
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});
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if (proc.exitCode !== 0) return null;
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return proc.stdout.toString().trim();
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} catch {
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return null;
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}
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}
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// Probe a path for executability. accessSync(X_OK) checks the executable
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// bit on Linux/macOS and degrades to an existence check on Windows (no
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// true execute bit). Mirrors make-pdf/src/browseClient.ts:159 /
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// make-pdf/src/pdftotext.ts:117.
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function isExecutable(p: string): boolean {
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try {
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accessSync(p, constants.X_OK);
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return true;
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} catch {
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return false;
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}
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}
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// Resolve a bare binary path to the actual file on disk. On Windows, `bun
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// build --compile` appends `.exe` to the output filename, so `browse` on
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// disk is actually `browse.exe`. After a bare-path probe, try the Windows
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// extensions. Linux/macOS behavior is unchanged. Mirrors the helper in
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// make-pdf/src/browseClient.ts:89 and make-pdf/src/pdftotext.ts:52.
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function findExecutable(base: string): string | null {
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if (isExecutable(base)) return base;
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if (process.platform === 'win32') {
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for (const ext of ['.exe', '.cmd', '.bat']) {
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const withExt = base + ext;
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if (isExecutable(withExt)) return withExt;
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}
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}
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return null;
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}
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export function locateBinary(): string | null {
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const root = getGitRoot();
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const home = homedir();
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const markers = ['.codex', '.agents', '.claude'];
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// Workspace-local takes priority (for development)
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if (root) {
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for (const m of markers) {
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const local = join(root, m, 'skills', 'gstack', 'browse', 'dist', 'browse');
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const found = findExecutable(local);
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if (found) return found;
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}
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// Source-checkout fallback (no installed skill layout — the binary
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// lives directly at <repo>/browse/dist/browse[.exe]). Hit by:
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// - gstack repo dev workflow before `./setup` runs
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// - the windows-setup-e2e.yml CI workflow which builds binaries
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// in place but never installs them under a marker dir
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// - make-pdf consumers running from a sibling source checkout
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const sourceCheckout = join(root, 'browse', 'dist', 'browse');
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const sourceFound = findExecutable(sourceCheckout);
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if (sourceFound) return sourceFound;
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}
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// Global fallback
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for (const m of markers) {
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const global = join(home, m, 'skills', 'gstack', 'browse', 'dist', 'browse');
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const found = findExecutable(global);
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if (found) return found;
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}
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return null;
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}
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// ─── Main ───────────────────────────────────────────────────────
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function main() {
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const bin = locateBinary();
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if (!bin) {
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process.stderr.write('ERROR: browse binary not found. Run: cd <skill-dir> && ./setup\n');
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process.exit(1);
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}
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console.log(bin);
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}
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// Only run main() when this module is the entry point. Without this guard,
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// any test that imports `locateBinary` from this file would have main() fire
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// at module-load time, calling process.exit(1) when no compiled binary
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// exists — killing the test process before any test runs. Surfaced on the
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// windows-free-tests CI lane where the runner has no compiled browse
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// binary (intentional — that lane only builds server-node.mjs).
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if (import.meta.main) {
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main();
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}
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