Archived
simonfrankenandClaude Opus 5.5
7980d3356a
Restores the selection and all submodules below it recursively, asking only if work would be lost. May clone/fetch missing objects (D23). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
139 lines
4.9 KiB
Markdown
139 lines
4.9 KiB
Markdown
# submarine
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**A terminal UI for git repositories with many submodules.**
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See what needs your attention. Ignore the rest.
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`git submodule status` gives you a wall of commit hashes. submarine answers
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the questions you actually have:
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- Which branch is this submodule on, and is the pin current?
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- Which submodules need me, and which are fine?
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- Is anything dangerous, like a pin nobody else can fetch?
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## Why you might like it
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- **Only submodules, as a tree.** Nested submodules at any depth, grouped by
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directory, collapsed until you open them.
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- **Branch plus distance, not hashes.** `origin/main ↓2` says more than
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`b7c8d9e`. A pin on a feature branch shows that branch.
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- **Problems are loud, healthy is quiet.** Submodules without issues are
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muted `in sync`; a staged pin shows as blue `staged` (or a `●` after an
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issue word). A collapsed parent counts the problems hidden below it
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(`·1`) and shows `●` if a staged pin is hidden.
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- **Words, not symbols.** Every state is a short word (`unpushed`, `conflict`,
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`missing`, `off pin`, `changed`), so nothing depends on color alone.
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- **Live.** Follows changes you make in other shells within about two
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seconds. It never fetches on its own: the header shows when you last did,
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`f` fetches everything.
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- **Built for dozens to hundreds of submodules.** Each status loads
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asynchronously, so the UI never freezes.
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## Install
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```sh
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curl -fsSL https://git.simon-franken.de/simonfranken/submarine/raw/branch/main/install.sh | sh
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```
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Installs `sub` and `submarine` (linux/macOS, amd64/arm64) to `~/.local/bin`.
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Both names start the same program; the examples below use the shorter `sub`.
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Update later with `sub update`.
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## Try it
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```sh
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sub # the repository in the current directory
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sub ~/code/project # any directory inside a repository
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sub --mock # built-in sample data, no repository needed
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```
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`submarine` works everywhere `sub` does, e.g. `submarine --mock`.
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## Examples
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### Find what needs attention
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Problems stand out: `unpushed` in red, `off pin` and `changed` in yellow,
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everything else muted. Select a submodule to see the details on the right:
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every issue in words, the resolved ref and why, the pinned, checked-out and
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tip commits, and a preview of uncommitted changes.
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```
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src/ │ src/
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core off pin origin/main │ net
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▸ net [2] unpushed origin/main ↑1│
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ui in sync origin/main │ unpushed pin not pushed to any remote
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│
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│ Ref origin/main ↑1
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│ via checked out branch
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│ Pinned b7c8d9e Hotfix null pointer
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│ Checkout b7c8d9e Hotfix null pointer
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│ Tip 6f5e4d3 Release 2.1.0
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```
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### Jump to a submodule with `/`
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Press `/` and type. Only matching submodules (and the parents that lead to
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them) stay. Your selection moves to the next match if it was filtered out.
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```
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libs/
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▾ log in sync origin/main
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modules/
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nested changed origin/main
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/ nest enter navigate • esc close
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```
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`enter` keeps the filter and gives you the normal keys back, `esc` removes
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it and leaves your selection where it is.
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### Copy a path
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Select a submodule and press `c`. Its absolute directory lands in your
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clipboard, ready for `cd <paste>`. It works over SSH too (OSC 52; in tmux,
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`set -g set-clipboard on`).
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### Fetch and reload
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`f` fetches all repositories again, `r` reloads everything after you edited
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files.
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## Keys
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| Key | Action |
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|---|---|
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| `↑` `↓` / `j` `k` | Move |
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| `←` `→` / `h` `l` | Fold / unfold, parent / first child |
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| `H` `L` / `⇧←` `⇧→` | Collapse / expand all |
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| `space` | Toggle the selected submodule |
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| `home` `end` / `g` `G`, `pgup` `pgdn` | Jump, page |
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| `/` | Filter |
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| `!` | Problems only |
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| `c` | Copy path |
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| `x` | Restore: make the worktree exactly what git records (asks if work would be lost) |
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| `f` / `r` | Fetch / reload |
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| `?` | Full help |
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| `q` | Quit |
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The mouse works too: click to select, click `▸` to toggle, wheel to move.
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## Status
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A prototype. Browsing is complete, and `x` restores a submodule or the whole
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superproject. More write actions (stage pin) are being specified in
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[docs/actions.md](docs/actions.md).
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## Documentation
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Requirements, state rules, UX guide, architecture and the decision log are in
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[docs/](docs/README.md).
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## Development
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```sh
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go run ./cmd/submarine --mock # run on mock data
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scripts/make-fixture.sh DIR # build a test superproject with every state
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go vet ./... && go test ./...
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```
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