Archived
Simon FrankenandClaude Opus 5.5
2212b24fe1
Bubble Tea prototype for browsing repositories with many nested git submodules: collapsible tree, pins shown as ref + distance, summarized issue words with severity levels, detail pane, async loading via a Provider interface backed by mock data. Includes docs/ with requirements, state model, UX guide, architecture and decision log, plus AGENTS.md. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
105 lines
4.4 KiB
Markdown
105 lines
4.4 KiB
Markdown
# Requirements
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## Problem
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In repositories with many submodules, `git submodule status` shows pinned
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commit hashes. It doesn't answer the questions users actually have:
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- Which branch is this submodule on, and is the pin current?
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- Which submodules need my attention, and which are fine?
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- Is anything dangerous, e.g. a pin that other people can't fetch?
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## Goals
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- Show **only submodules** (not files), recursively nested, as a tree.
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- Describe pins as **ref + distance** instead of a commit hash.
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- Let **problems stand out** and keep healthy submodules quiet.
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- Work comfortably with **dozens to hundreds** of submodules.
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## Functional requirements
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### Tree
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- **F1** Show all submodules of the superproject, including nested submodules
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of submodules, at any depth.
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- **F2** Group submodules by the directory of their path relative to the
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parent repository. A directory with submodules is shown as a non-selectable
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header line (e.g. `src/`, `modules/`). Submodules at the repository root
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have no header.
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- **F3** Nested submodules are shown under their parent submodule. A
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directory header inside a submodule (e.g. `modules/`) means the nested
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submodule lives in that subdirectory of the parent.
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- **F4** On startup only the first level is shown; every submodule with
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nested submodules is **collapsed**.
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- **F5** A collapsed submodule shows the number of its **direct** children,
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e.g. `[2]`.
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- **F6** A collapsed submodule shows the number of issues **hidden** in all
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its descendants (`·2`), colored by the most severe hidden issue.
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- **F7** Expansion state of descendants is remembered when a parent is
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collapsed and restored when it is expanded again (except after
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"collapse all", which resets it).
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### State per submodule
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- **F10** Each submodule shows at most **one** state word: the most severe
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issue, plus `+n` if there are more. Submodules without issues show no word.
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See [state-model.md](state-model.md) for the full rules.
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- **F11** Each submodule shows its pin as a ref (`origin/main`, a tag, or a
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short SHA as a fallback) and the distance to that ref (`↑n`, `↓n`, `↑n↓m`).
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- **F12** A pin that is not reachable from any remote ref ("unpushed") is
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the most prominent state.
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- **F13** States load asynchronously per submodule; a submodule shows a
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spinner until its state is known. Loading errors are shown as `error`.
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### Detail pane
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- **F20** Shows the selected submodule: full path, name, all issues in
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words, staged-pin and detached-HEAD notes.
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- **F21** Shows the resolved ref, how it was resolved, and three commits:
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**Pinned**, **Checkout** and **Tip** (SHA + subject). A checkout that
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differs from the pin is highlighted.
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- **F22** Lists the commits between pin and tip (SHA, subject, author, age)
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with a title stating ahead/behind/diverged.
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- **F23** Shows child count, issues below, and the remote URL.
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### Header and footer
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- **F30** The header shows the superproject path, its branch and
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ahead/behind, the number of submodules, a count per issue kind (most
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severe first), staged pins, how many are still loading, and the time since
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the last fetch.
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- **F31** The footer shows key hints; `?` toggles the full help. It
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temporarily shows short messages (e.g. "not implemented").
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### Navigation
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- **F40** Keyboard navigation as specified in
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[ux-guide.md](ux-guide.md#navigation).
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- **F41** Mouse: click a row to select it, click `▸`/`▾` to toggle, scroll
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wheel moves the selection.
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### Actions (planned, not implemented)
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| Key | Action |
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|---|---|
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| `u` | Check out the pinned commit (`git submodule update`) |
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| `b` | Bump the pin to the tip of its ref |
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| `f` | Fetch remotes |
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| `/` | Filter by name/path |
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| `!` | Show only submodules with issues |
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## Non-functional requirements
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- **N1** Startup must not block on the network. The tool works from local
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refs and shows how old they are ("fetched 2m ago"); fetching is explicit.
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- **N2** Loading many submodules must not freeze the UI (async, per
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submodule).
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- **N3** Colors follow the user's terminal theme (ANSI 16 colors); the UI
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works on dark and light backgrounds.
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- **N4** Meaning never depends on color alone: every state has a word.
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- **N5** Works without a Nerd Font. `SUBMARINE_ASCII=1` replaces the few
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remaining Unicode symbols with ASCII.
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- **N6** Works in narrow terminals (detail pane hides below 90 columns).
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- **N7** The UI is independent of the data source: replacing the mock
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provider with a git provider requires no UI changes.
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