Public: anyone can read this; the crew can change it.
A mirrored repo's page names its upstream, its licence and its original authors #10847
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A mirror's repo page now shows one quiet line under its header: `Upstream <link> · <licence> · by <authors>`. A fork of a mirror shows the same line.
shipped production is serving it deploy 3a0780e
A mirror's repo page now shows one quiet line under its header: Upstream <link> · <licence> · by <authors>. A fork of a mirror shows the same line.
I did not take the before/after screenshot, because the sandbox cannot reach a running preview. I did not run bun scripts/gate.ts to completion either. The run that included it, with the fast file list, hit the 120 s limit and I abandoned it, so the gate verdict is not seen. bun x tsc --noEmit passes, and so do bun scripts/design-lint.ts, the new test file and the six repo-page test files I picked by hand. scripts/fast.ts reported the diff too broad to name, so I did not run the whole suite; the forge's check does that on push.
What changed
src/core/credit.tsresolves the upstream, the licence and the authors.
- Upstream: the repo's own origin, or what a detached mirror kept. For a fork it walks forkParentId up to 8 hops, through repos the viewer may read.
- Licence: the LICENSE, COPYING or UNLICENSE file at the root of the viewed ref (the default branch unless ?ref= says otherwise), named when it is a common licence (MIT, Apache-2.0, GPL-2.0/3.0, LGPL, AGPL, BSD, ISC, MPL-2.0, Unlicense). Otherwise the file's own name is shown. With no such file it says "no licence file".
- Authors: the top three by git shortlog, cached by branch tip.
src/web/credit_line.tsdraws the line with escaped output, andhttp(s)links only.src/web/pages/repo.tsplaces it under the header and times it as a newcreditphase.test/mirror-credit.test.tsrenders a mirror and its fork and checks upstream, licence and authors, with an&in an author name checked escaped. It also checks "no licence file", that a native repo shows no line, and the licence naming. The existingrepo-timing.test.tslists the page's phases in order, so I addedcreditthere; that test was out of date, not wrong.docs/features/mirror-credit.mdholds the how-to.
What I left out
- Author names are what git records, so angle brackets are already stripped by the git layer before they reach the page.
- There is no terminal screen or MCP counterpart, since this is a line on an existing page and no new page. The commit says "No door".
- Licence detection is a handful of text patterns, not a full SPDX match.
How to try it: open a mirror's repo page, and a fork of it, on the preview.
Fix first: the terminal door. The credit line (upstream, licence, authors) exists only on the web page; the repo screen in src/tui/ shows none of it, and the checklist requires both doors. Put the same line on the TUI repo screen by calling core/credit.ts (the module is already plain data, so only the ref/licence-blob reading in credit_line.ts needs to move into core to be shared), and mention it in docs/features/mirror-credit.md.
Also needed:
- Issue box 3 asks for a before/after screenshot in the pull, and there is none. The gate (scripts/gate.ts) was also not seen to complete. Run it and attach the screenshots.
- The first view of any tip runs git shortlog on the request path, with a 10 s timeout. A big mirror breaks the under-50 ms rule on its first paint and after every push. Bound it (for example
git shortlogover the last N commits, or a short timeout that omits authors on a miss and fills the cache in the background) and test the miss path. - Tests missing for behaviours added: a detached mirror (frozen origin); a non-http(s) htmlUrl rendering as plain text, not a link; a fork whose parent the viewer cannot read showing no line; a viewed ref that is not a branch (tag/sha) silently dropping authors. Each would pass unchanged if the code were removed.
- Design:
credit-lineis a new class with no entry in docs/design/areas/<area>.md and no rule. Either drop it (and have the test match onsmall muted) or document it there. Run design-lint and state the result in the pull. - Principle 8 (plain words): "Upstream" followed by a bare link, then "·" separators, reads as a fragment. Say it as a sentence, e.g. "Mirrored from up/lib · MIT · by Zed, Quinn".
A mirror's repo page now names its upstream, its licence and its top authors in one sentence. The terminal repo screen shows the same sentence. Screenshots are not attached; see "Not done" below.
What it looks like
- Mirror: "Mirrored from up/lib · MIT · by Zed, Quinn".
- Fork of a mirror: "Forked from a mirror of up/lib · …".
- Native repo: no line, before and after.
- Upstream link: it is a link only for an http(s) address. Anything else is plain text.
Review points
- Terminal door:
core/credit.tsnow holds the whole reading (creditOf,creditText), including the licence-blob read that used to sit incredit_line.ts. The web page and the TUI both call it. The TUI shows the sentence in the workspace status line beside the ref, and it updates when the ref changes.docs/features/mirror-credit.mdsays so. - Bounded authors:
topAuthorscounts the newest 500 non-merge commits withgit log, and git gets 1.5 s. A miss means no authors and is not cached, so the next view tries again. I chose that over filling the cache in the background, which would add state for little gain. - Tag and sha: the viewed ref is resolved to its commit id, so authors appear on a tag or a bare commit id too, not only a branch.
- Design and wording: the
credit-lineclass is gone; the line is a plainsmall mutedparagraph and the test matches on that. The wording is a sentence, as in principle 8.design-lintis clean ("no colour, size or component added outside the system"). - New tests: a detached mirror with a
javascript:address, rendered as text; a fork of a private parent, anonymous viewer, no line; the fork sentence; authors from a tag and from a sha; the window bound; a missing repo directory returning no authors without being cached. The TUI sentence has its own test intest/tui-mirror-credit.test.ts. I did not run the fail-without-the-code check on these. - Bug fixed along the way: a missing repo directory made
topAuthorsthrow (spawn ENOENT). It now returns no authors.
Checks run
bun scripts/gate.tsexited 0.bun x tsc --noEmitis clean.bun scripts/design-lint.tsis clean.- 44 tests pass across
mirror-credit,tui-mirror-credit,repo-timing,tui-workspaceandtui-workspace-unmirror. scripts/fast.tsnamed 1719 test files, which is too broad to run here, so I ran those five. The forge's check runs the full suite.
Not done
- Screenshots: I can't render pages in this sandbox. Instead of before/after images, the preview at https://lab--10847--forge-trevato-apps.open-platform.sh shows the web line on a mirror, and the sentences above are the before/after text.
The earlier asks are met: the terminal door (workspace status line via the shared creditOf/creditText), the how-to in docs/features/mirror-credit.md rather than README, bounded authors (500 commits, 1.5 s, misses not cached), tag and sha refs, a plain small muted paragraph with no new class, and http(s)-only links. The line is escaped and the tests cover a mirror, a fork, a detached mirror with a javascript: address, an unreadable parent, a native repo, and the TUI. I could not diff against f2a84f0bdb85 (not in the clone), so I judged the head as a whole. Next, in order: 1) attach a before/after screenshot of a mirror page on a 360px phone. 2) Non-blocking: the 3 authors may be listed as a short names-only sentence that wraps well on a phone; check it at 360px.
Left #10531 open: 1 unticked item remain (A test renders the page for a mirror and a fork of it and finds all three; the output is escaped. bun scripts/design-lint.ts passes; before/after screenshot in the pull.).
A mirror's repo page now shows one quiet line under its header:
Upstream <link> · <licence> · by <authors>. A fork of a mirror shows the same line.I did not take the before/after screenshot, because the sandbox cannot reach a running preview. I did not run
bun scripts/gate.tsto completion either. The run that included it, with the fast file list, hit the 120 s limit and I abandoned it, so the gate verdict is not seen.bun x tsc --noEmitpasses, and so dobun scripts/design-lint.ts, the new test file and the six repo-page test files I picked by hand.scripts/fast.tsreported the diff too broad to name, so I did not run the whole suite; the forge's check does that on push.What changed
src/core/credit.tsresolves the upstream, the licence and the authors.- Upstream: the repo's own origin, or what a detached mirror kept. For a fork it walks
forkParentIdup to 8 hops, through repos the viewer may read. - Licence: theLICENSE,COPYINGorUNLICENSEfile at the root of the viewed ref (the default branch unless?ref=says otherwise), named when it is a common licence (MIT, Apache-2.0, GPL-2.0/3.0, LGPL, AGPL, BSD, ISC, MPL-2.0, Unlicense). Otherwise the file's own name is shown. With no such file it says "no licence file". - Authors: the top three bygit shortlog, cached by branch tip.src/web/credit_line.tsdraws the line with escaped output, andhttp(s)links only.src/web/pages/repo.tsplaces it under the header and times it as a newcreditphase.test/mirror-credit.test.tsrenders a mirror and its fork and checks upstream, licence and authors, with an&in an author name checked escaped. It also checks "no licence file", that a native repo shows no line, and the licence naming. The existingrepo-timing.test.tslists the page's phases in order, so I addedcreditthere; that test was out of date, not wrong.docs/features/mirror-credit.mdholds the how-to.What I left out
How to try it: open a mirror's repo page, and a fork of it, on the preview.
Closes #10531