Álvaro Tejero-Cantero d669eec0c0
✨ Load the branch list only when the switcher opens (#12571)
* ✨ Add a branch count query for the workspace header

The header shows its branch row only when the file has branches, and
it learnt that from get-file-branches, which compares every diverged
branch against main. get-file-branch-count answers the same question
with one indexed count: archived and merged branches included, counted
from main when the file is itself a branch, with no comparison and no
climit, like the branches_count subquery of the dashboard listings.

The listing keeps its climit, and :get-file-branches/global now sets
the 60 s timeout that the header of climit.edn promises, so a waiter
behind six cold listings gets an error instead of waiting without
bound. Its rationale comment names the callers it serves now.

AI-assisted-by: claude-opus-5-5
Signed-off-by: Álvaro Tejero Cantero <alvorithm@teje.ro>

* ✨ List branches only when the switcher opens

Opening a file ran the counted branch listing for every user, because
the header decided whether to show its branch row from that listing.
A cold listing runs a three-way comparison per diverged branch, and
one save to main makes every branch of the file a cache miss again.

The header now loads the branch count and the branch context with the
file. The listing loads when the branch switcher or the all-branches
dialog opens, and both show "Loading branches…" until it arrives
instead of a list from an earlier opening.

A failed listing used to read as an empty list, which on main hid the
branch row and sent the shortcut to the create dialog. It now ends in
an error state: the switcher and the dialog say "Couldn't load
branches" with a Retry action, and the row stays, since its visibility
comes from the count. A successful listing refreshes the count, so
deleting the last branch from the list still hides the row.

Creating a pull request from the branch banner looked the branch up
in the listing to decide whether to save pending edits first. Without
the listing loaded at open it would skip the save, so it now reads the
branch context of the open file.

AI-assisted-by: claude-opus-5-5
Signed-off-by: Álvaro Tejero Cantero <alvorithm@teje.ro>

* ✨ Show the branch row when the branch count fails

A failed get-file-branch-count left no count, so on main the header
hid its branch row and the shortcut opened the create dialog on a file
that may have branches. The failure is now kept as an error state
under :workspace-branch-count, and has-branches? reads it as true.

The row then shows the Main chip and, where the status note goes,
"Couldn't load branches" in the warning colour. Opening the switcher
loads the listing through the existing loading and Retry path, and a
successful listing settles the count, which replaces the note.

AI-assisted-by: claude-opus-5-5
Signed-off-by: Álvaro Tejero Cantero <alvorithm@teje.ro>

* 📚 Name the callers of the branch listing limit again

The merge of iop-vc-preview took its climit.edn, whose comment on
:get-file-branches/global still described a panel open. Restore the
comment this branch wrote: the listing runs when the switcher, the
all-branches dialog or the dashboard popover opens, and a file open
only counts branches.

AI-assisted-by: claude-opus-5-5
Signed-off-by: Álvaro Tejero Cantero <alvorithm@teje.ro>

* 🐛 Mock the branch count in the library copy tests

The header now shows its branch row from get-file-branch-count, not
from the listing, so the library copy tests mock the count as well.

AI-assisted-by: claude-opus-5-5
Signed-off-by: Álvaro Tejero Cantero <alvorithm@teje.ro>

---------

Signed-off-by: Álvaro Tejero Cantero <alvorithm@teje.ro>
2026-10-22 20:50:58 +02:00
2026-09-25 11:11:44 +02:00
2026-09-23 18:53:25 +02:00
2021-11-15 09:54:36 -05:00
2020-08-11 10:11:23 +02:00
2025-01-22 15:46:23 +01:00
2026-07-22 14:18:51 +02:00
2017-03-06 18:42:58 +01:00
2026-09-22 10:22:31 +02:00
2025-06-02 12:09:20 +02:00
2023-11-15 10:55:39 +01:00
2026-10-07 13:02:27 +02:00
2026-10-06 15:12:15 +02:00
2026-10-06 15:12:15 +02:00
2026-10-06 18:09:57 +02:00
2026-06-09 18:48:03 +02:00
2020-08-05 11:19:34 +02:00

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