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feat: add ecc2 diff viewer mode

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This commit is contained in:
Affaan Mustafa
2026-04-08 13:49:35 -07:00
parent 5070b2d785
commit 87d520f0b1
3 changed files with 228 additions and 14 deletions
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1
ecc2/src/tui/app.rs
View File

@@ -45,6 +45,7 @@ pub async fn run(db: StateStore, cfg: Config) -> Result<()> {
(_, KeyCode::Char('i')) => dashboard.drain_inbox_selected().await,
(_, KeyCode::Char('g')) => dashboard.auto_dispatch_backlog().await,
(_, KeyCode::Char('G')) => dashboard.coordinate_backlog().await,
(_, KeyCode::Char('v')) => dashboard.toggle_output_mode(),
(_, KeyCode::Char('p')) => dashboard.toggle_auto_dispatch_policy(),
(_, KeyCode::Char(',')) => dashboard.adjust_auto_dispatch_limit(-1),
(_, KeyCode::Char('.')) => dashboard.adjust_auto_dispatch_limit(1),

128
ecc2/src/tui/dashboard.rs
View File

@@ -32,6 +32,7 @@ const MAX_PANE_SIZE_PERCENT: u16 = 80;
const PANE_RESIZE_STEP_PERCENT: u16 = 5;
const MAX_LOG_ENTRIES: u64 = 12;
const MAX_DIFF_PREVIEW_LINES: usize = 6;
const MAX_DIFF_PATCH_LINES: usize = 80;
pub struct Dashboard {
db: StateStore,
@@ -53,6 +54,8 @@ pub struct Dashboard {
logs: Vec<ToolLogEntry>,
selected_diff_summary: Option<String>,
selected_diff_preview: Vec<String>,
selected_diff_patch: Option<String>,
output_mode: OutputMode,
selected_pane: Pane,
selected_session: usize,
show_help: bool,
@@ -85,6 +88,12 @@ enum Pane {
Log,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum OutputMode {
SessionOutput,
WorktreeDiff,
}
#[derive(Debug, Clone, Copy)]
struct PaneAreas {
sessions: Rect,
@@ -160,6 +169,8 @@ impl Dashboard {
logs: Vec::new(),
selected_diff_summary: None,
selected_diff_preview: Vec::new(),
selected_diff_patch: None,
output_mode: OutputMode::SessionOutput,
selected_pane: Pane::Sessions,
selected_session: 0,
show_help: false,
@@ -319,27 +330,43 @@ impl Dashboard {
fn render_output(&mut self, frame: &mut Frame, area: Rect) {
self.sync_output_scroll(area.height.saturating_sub(2) as usize);
let content = if self.sessions.get(self.selected_session).is_some() {
let lines = self.selected_output_lines();
if lines.is_empty() {
"Waiting for session output...".to_string()
} else {
lines
.iter()
.map(|line| line.text.as_str())
.collect::<Vec<_>>()
.join("\n")
let (title, content) = if self.sessions.get(self.selected_session).is_some() {
match self.output_mode {
OutputMode::SessionOutput => {
let lines = self.selected_output_lines();
let content = if lines.is_empty() {
"Waiting for session output...".to_string()
} else {
lines.iter().map(|line| line.text.as_str()).collect::<Vec<_>>().join("\n")
};
(" Output ", content)
}
OutputMode::WorktreeDiff => {
let content = self
.selected_diff_patch
.clone()
.or_else(|| {
self.selected_diff_summary.as_ref().map(|summary| {
format!(
"{summary}\n\nNo patch content to preview yet. The worktree may be clean or only have summary-level changes."
)
})
})
.unwrap_or_else(|| {
"No worktree diff available for the selected session.".to_string()
});
(" Diff ", content)
}
}
} else {
"No sessions. Press 'n' to start one.".to_string()
(" Output ", "No sessions. Press 'n' to start one.".to_string())
};
let paragraph = Paragraph::new(content)
.block(
Block::default()
.borders(Borders::ALL)
.title(" Output ")
.title(title)
.border_style(self.pane_border_style(Pane::Output)),
)
.scroll((self.output_scroll_offset as u16, 0));
@@ -427,7 +454,7 @@ impl Dashboard {
fn render_status_bar(&self, frame: &mut Frame, area: Rect) {
let text = format!(
" [n]ew session [a]ssign re[b]alance global re[B]alance dra[i]n inbox [g]lobal dispatch coordinate [G]lobal toggle [p]olicy [,/.] dispatch limit [s]top [u]resume [x]cleanup [d]elete [r]efresh [Tab] switch pane [j/k] scroll [+/-] resize [{}] layout [?] help [q]uit ",
" [n]ew session [a]ssign re[b]alance global re[B]alance dra[i]n inbox [g]lobal dispatch coordinate [G]lobal [v]iew diff toggle [p]olicy [,/.] dispatch limit [s]top [u]resume [x]cleanup [d]elete [r]efresh [Tab] switch pane [j/k] scroll [+/-] resize [{}] layout [?] help [q]uit ",
self.layout_label()
);
let text = if let Some(note) = self.operator_note.as_ref() {
@@ -478,6 +505,7 @@ impl Dashboard {
" i Drain unread task handoffs from selected lead",
" g Auto-dispatch unread handoffs across lead sessions",
" G Dispatch then rebalance backlog across lead teams",
" v Toggle selected worktree diff in output pane",
" p Toggle daemon auto-dispatch policy and persist config",
" ,/. Decrease/increase auto-dispatch limit per lead",
" s Stop selected session",
@@ -669,6 +697,27 @@ impl Dashboard {
self.refresh_logs();
}
pub fn toggle_output_mode(&mut self) {
match self.output_mode {
OutputMode::SessionOutput => {
if self.selected_diff_patch.is_some() || self.selected_diff_summary.is_some() {
self.output_mode = OutputMode::WorktreeDiff;
self.selected_pane = Pane::Output;
self.output_follow = false;
self.output_scroll_offset = 0;
self.set_operator_note("showing selected worktree diff".to_string());
} else {
self.set_operator_note("no worktree diff for selected session".to_string());
}
}
OutputMode::WorktreeDiff => {
self.output_mode = OutputMode::SessionOutput;
self.reset_output_view();
self.set_operator_note("showing session output".to_string());
}
}
}
pub async fn assign_selected(&mut self) {
let Some(source_session) = self.sessions.get(self.selected_session) else {
return;
@@ -1270,6 +1319,11 @@ impl Dashboard {
self.selected_diff_preview = worktree
.and_then(|worktree| worktree::diff_file_preview(worktree, MAX_DIFF_PREVIEW_LINES).ok())
.unwrap_or_default();
self.selected_diff_patch = worktree
.and_then(|worktree| worktree::diff_patch_preview(worktree, MAX_DIFF_PATCH_LINES).ok().flatten());
if self.output_mode == OutputMode::WorktreeDiff && self.selected_diff_patch.is_none() {
self.output_mode = OutputMode::SessionOutput;
}
}
fn sync_selected_messages(&mut self) {
@@ -1950,6 +2004,20 @@ impl Dashboard {
.collect::<Vec<_>>()
.join("\n")
}
#[cfg(test)]
fn rendered_output_text(&mut self, width: u16, height: u16) -> String {
let backend = ratatui::backend::TestBackend::new(width, height);
let mut terminal = ratatui::Terminal::new(backend).expect("terminal");
terminal.draw(|frame| self.render(frame)).expect("draw");
terminal
.backend()
.buffer()
.content()
.iter()
.map(|cell| cell.symbol())
.collect::<String>()
}
}
impl Pane {
@@ -2239,6 +2307,36 @@ mod tests {
assert!(text.contains("Failed failed-8 | Render dashboard rows"));
}
#[test]
fn toggle_output_mode_switches_to_worktree_diff_preview() {
let mut dashboard = test_dashboard(
vec![sample_session(
"focus-12345678",
"planner",
SessionState::Running,
Some("ecc/focus"),
512,
42,
)],
0,
);
dashboard.selected_diff_summary = Some("1 file changed".to_string());
dashboard.selected_diff_patch = Some(
"--- Branch diff vs main ---\ndiff --git a/src/lib.rs b/src/lib.rs\n+hello".to_string(),
);
dashboard.toggle_output_mode();
assert_eq!(dashboard.output_mode, OutputMode::WorktreeDiff);
assert_eq!(
dashboard.operator_note.as_deref(),
Some("showing selected worktree diff")
);
let rendered = dashboard.rendered_output_text(180, 30);
assert!(rendered.contains("Diff"));
assert!(rendered.contains("diff --git a/src/lib.rs b/src/lib.rs"));
}
#[test]
fn selected_session_metrics_text_includes_team_capacity_summary() {
let mut dashboard = test_dashboard(
@@ -3072,6 +3170,8 @@ mod tests {
logs: Vec::new(),
selected_diff_summary: None,
selected_diff_preview: Vec::new(),
selected_diff_patch: None,
output_mode: OutputMode::SessionOutput,
selected_pane: Pane::Sessions,
selected_session,
show_help: false,

113
ecc2/src/worktree/mod.rs
View File

@@ -136,6 +136,34 @@ pub fn diff_file_preview(worktree: &WorktreeInfo, limit: usize) -> Result<Vec<St
Ok(preview)
}
pub fn diff_patch_preview(worktree: &WorktreeInfo, max_lines: usize) -> Result<Option<String>> {
let mut remaining = max_lines.max(1);
let mut sections = Vec::new();
let base_ref = format!("{}...HEAD", worktree.base_branch);
let committed = git_diff_patch_lines(&worktree.path, &[&base_ref])?;
if !committed.is_empty() && remaining > 0 {
let taken = take_preview_lines(&committed, &mut remaining);
sections.push(format!(
"--- Branch diff vs {} ---\n{}",
worktree.base_branch,
taken.join("\n")
));
}
let working = git_diff_patch_lines(&worktree.path, &[])?;
if !working.is_empty() && remaining > 0 {
let taken = take_preview_lines(&working, &mut remaining);
sections.push(format!("--- Working tree diff ---\n{}", taken.join("\n")));
}
if sections.is_empty() {
Ok(None)
} else {
Ok(Some(sections.join("\n\n")))
}
}
fn git_diff_shortstat(worktree_path: &Path, extra_args: &[&str]) -> Result<Option<String>> {
let mut command = Command::new("git");
command
@@ -191,6 +219,31 @@ fn git_diff_name_status(worktree_path: &Path, extra_args: &[&str]) -> Result<Vec
Ok(parse_nonempty_lines(&output.stdout))
}
fn git_diff_patch_lines(worktree_path: &Path, extra_args: &[&str]) -> Result<Vec<String>> {
let mut command = Command::new("git");
command
.arg("-C")
.arg(worktree_path)
.arg("diff")
.args(["--stat", "--patch", "--find-renames"]);
command.args(extra_args);
let output = command
.output()
.context("Failed to generate worktree patch preview")?;
if !output.status.success() {
let stderr = String::from_utf8_lossy(&output.stderr);
tracing::warn!(
"Worktree patch preview warning for {}: {stderr}",
worktree_path.display()
);
return Ok(Vec::new());
}
Ok(parse_nonempty_lines(&output.stdout))
}
fn git_status_short(worktree_path: &Path) -> Result<Vec<String>> {
let output = Command::new("git")
.arg("-C")
@@ -220,6 +273,13 @@ fn parse_nonempty_lines(stdout: &[u8]) -> Vec<String> {
.collect()
}
fn take_preview_lines(lines: &[String], remaining: &mut usize) -> Vec<String> {
let count = (*remaining).min(lines.len());
let taken = lines.iter().take(count).cloned().collect::<Vec<_>>();
*remaining = remaining.saturating_sub(count);
taken
}
fn get_current_branch(repo_root: &Path) -> Result<String> {
let output = Command::new("git")
.arg("-C")
@@ -361,4 +421,57 @@ mod tests {
let _ = fs::remove_dir_all(root);
Ok(())
}
#[test]
fn diff_patch_preview_reports_branch_and_working_tree_sections() -> Result<()> {
let root = std::env::temp_dir().join(format!("ecc2-worktree-patch-{}", Uuid::new_v4()));
let repo = root.join("repo");
fs::create_dir_all(&repo)?;
run_git(&repo, &["init", "-b", "main"])?;
run_git(&repo, &["config", "user.email", "ecc@example.com"])?;
run_git(&repo, &["config", "user.name", "ECC"])?;
fs::write(repo.join("README.md"), "hello\n")?;
run_git(&repo, &["add", "README.md"])?;
run_git(&repo, &["commit", "-m", "init"])?;
let worktree_dir = root.join("wt-1");
run_git(
&repo,
&[
"worktree",
"add",
"-b",
"ecc/test",
worktree_dir.to_str().expect("utf8 path"),
"HEAD",
],
)?;
fs::write(worktree_dir.join("src.txt"), "branch\n")?;
run_git(&worktree_dir, &["add", "src.txt"])?;
run_git(&worktree_dir, &["commit", "-m", "branch file"])?;
fs::write(worktree_dir.join("README.md"), "hello\nworking\n")?;
let info = WorktreeInfo {
path: worktree_dir.clone(),
branch: "ecc/test".to_string(),
base_branch: "main".to_string(),
};
let preview = diff_patch_preview(&info, 40)?.expect("patch preview");
assert!(preview.contains("--- Branch diff vs main ---"));
assert!(preview.contains("--- Working tree diff ---"));
assert!(preview.contains("src.txt"));
assert!(preview.contains("README.md"));
let _ = Command::new("git")
.arg("-C")
.arg(&repo)
.args(["worktree", "remove", "--force"])
.arg(&worktree_dir)
.output();
let _ = fs::remove_dir_all(root);
Ok(())
}
}