git_ui: Add support for generating commit messages with an LLM (#26227)

This PR finishes up the support for generating commit messages using an
LLM.

We're shelling out to `git diff` to get the diff text, as it seemed more
efficient than attempting to reconstruct the diff ourselves from our
internal Git state.


https://github.com/user-attachments/assets/9bcf30a7-7a08-4f49-a753-72a5d954bddd

Release Notes:

- Git Beta: Added support for generating commit messages using a
language model.

---------

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>
This commit is contained in:
Marshall Bowers 2025-03-06 14:47:52 -05:00 committed by GitHub
parent d1cec209d4
commit b8a8b9c699
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GPG key ID: B5690EEEBB952194
11 changed files with 233 additions and 52 deletions

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@ -234,7 +234,7 @@ impl CommitModal {
pub fn render_footer(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let git_panel = self.git_panel.clone();
let (branch, can_commit, tooltip, commit_label, co_authors) =
let (branch, can_commit, tooltip, commit_label, co_authors, generate_commit_message) =
self.git_panel.update(cx, |git_panel, cx| {
let branch = git_panel
.active_repository
@ -249,7 +249,15 @@ impl CommitModal {
let (can_commit, tooltip) = git_panel.configure_commit_button(cx);
let title = git_panel.commit_button_title();
let co_authors = git_panel.render_co_authors(cx);
(branch, can_commit, tooltip, title, co_authors)
let generate_commit_message = git_panel.render_generate_commit_message_button(cx);
(
branch,
can_commit,
tooltip,
title,
co_authors,
generate_commit_message,
)
});
let branch_picker_button = panel_button(branch)
@ -316,7 +324,13 @@ impl CommitModal {
.w_full()
.h(px(self.properties.footer_height))
.gap_1()
.child(h_flex().gap_1().child(branch_picker).children(co_authors))
.child(
h_flex()
.gap_1()
.child(branch_picker)
.children(co_authors)
.child(generate_commit_message),
)
.child(div().flex_1())
.child(
h_flex()