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Update a pin that is behind with u; switch fast-forwards

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`u` moves the pin of the selection to the tip of its ref when the pin is
only behind it: a switch to that branch with exactly the tip the row
shows, nothing fetched; if the ref moved meanwhile, nothing happens. On
the superproject it fast-forwards the branch to its upstream and restores
the submodules (git pull --ff-only from the last fetch).

Switch now fast-forwards a local branch that is only behind the chosen
remote branch, unless another worktree has it checked out, and keeps a
checked-out branch that tracks it under another name. A branch with
commits of its own is still never moved.

Stage pin is dropped: switching to the branch already stages it. The
detail pane's palette wraps instead of cutting off keys. Add D29 and F59.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
simonfranken
2026-10-24 22:39:18 +02:00
co-authored by Claude Opus 5.5
parent 99f1ba2bec
commit fbd233f58d
16 changed files with 686 additions and 105 deletions
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docs/README.md
+5 -4
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@@ -14,7 +14,7 @@ bare commit hash.
| [state-model.md](state-model.md) | How a submodule's state is determined, summarized into issues, and how pins are resolved to refs |
| [ux-guide.md](ux-guide.md) | Layout, attention hierarchy, colors, wording, navigation and key bindings |
| [architecture.md](architecture.md) | Package layout, the provider boundary, async loading, testing |
| [actions.md](actions.md) | the write actions restore and switch branch (done) and stage pin (draft) |
| [actions.md](actions.md) | the write actions restore, switch branch and update pin |
| [decisions.md](decisions.md) | Decision log with rationale (ADR style) |
## Install
@@ -33,10 +33,11 @@ Installs `submarine` and the alias `sub` (linux/macOS, amd64/arm64) to
through a git provider (`internal/submodule/git`): `submarine [dir]`. It
fetches only when asked (`f`) and follows changes made in other shells. `submarine --mock` shows
the built-in mock data (`internal/submodule/mock`). `!` shows only
submodules with problems. `x` restores the selection and `b` switches its
branch ([actions.md](actions.md)); stage pin is drafted there.
submodules with problems. `x` restores the selection, `b` switches its
branch and `u` updates a pin that is behind ([actions.md](actions.md)).
Next steps, roughly in order:
1. Stage pin, see [actions.md](actions.md). (Restore and switch branch are done.)
1. (done) Write actions: restore, switch branch, update pin, see
[actions.md](actions.md). Stage pin was dropped (D29).
2. (done) "Problems only" (`!`) view, reusing the tree's filter.