feat: add ecc2 worktree merge readiness

This commit is contained in:
Affaan Mustafa
2026-04-08 13:54:31 -07:00
parent 87d520f0b1
commit dd14888f5f
2 changed files with 197 additions and 0 deletions

View File

@@ -55,6 +55,7 @@ pub struct Dashboard {
selected_diff_summary: Option<String>,
selected_diff_preview: Vec<String>,
selected_diff_patch: Option<String>,
selected_merge_readiness: Option<worktree::MergeReadiness>,
output_mode: OutputMode,
selected_pane: Pane,
selected_session: usize,
@@ -170,6 +171,7 @@ impl Dashboard {
selected_diff_summary: None,
selected_diff_preview: Vec::new(),
selected_diff_patch: None,
selected_merge_readiness: None,
output_mode: OutputMode::SessionOutput,
selected_pane: Pane::Sessions,
selected_session: 0,
@@ -1321,6 +1323,8 @@ impl Dashboard {
.unwrap_or_default();
self.selected_diff_patch = worktree
.and_then(|worktree| worktree::diff_patch_preview(worktree, MAX_DIFF_PATCH_LINES).ok().flatten());
self.selected_merge_readiness = worktree
.and_then(|worktree| worktree::merge_readiness(worktree).ok());
if self.output_mode == OutputMode::WorktreeDiff && self.selected_diff_patch.is_none() {
self.output_mode = OutputMode::SessionOutput;
}
@@ -1721,6 +1725,12 @@ impl Dashboard {
lines.push(format!("- {entry}"));
}
}
if let Some(merge_readiness) = self.selected_merge_readiness.as_ref() {
lines.push(merge_readiness.summary.clone());
for conflict in merge_readiness.conflicts.iter().take(3) {
lines.push(format!("- conflict {conflict}"));
}
}
}
lines.push(format!(
@@ -2294,6 +2304,11 @@ mod tests {
"Branch M src/main.rs".to_string(),
"Working ?? notes.txt".to_string(),
];
dashboard.selected_merge_readiness = Some(worktree::MergeReadiness {
status: worktree::MergeReadinessStatus::Conflicted,
summary: "Merge blocked by 1 conflict(s): src/main.rs".to_string(),
conflicts: vec!["src/main.rs".to_string()],
});
let text = dashboard.selected_session_metrics_text();
assert!(text.contains("Branch ecc/focus | Base main"));
@@ -2302,6 +2317,8 @@ mod tests {
assert!(text.contains("Changed files"));
assert!(text.contains("- Branch M src/main.rs"));
assert!(text.contains("- Working ?? notes.txt"));
assert!(text.contains("Merge blocked by 1 conflict(s): src/main.rs"));
assert!(text.contains("- conflict src/main.rs"));
assert!(text.contains("Last output last useful output"));
assert!(text.contains("Needs attention:"));
assert!(text.contains("Failed failed-8 | Render dashboard rows"));
@@ -3171,6 +3188,7 @@ mod tests {
selected_diff_summary: None,
selected_diff_preview: Vec::new(),
selected_diff_patch: None,
selected_merge_readiness: None,
output_mode: OutputMode::SessionOutput,
selected_pane: Pane::Sessions,
selected_session,

View File

@@ -5,6 +5,19 @@ use std::process::Command;
use crate::config::Config;
use crate::session::WorktreeInfo;
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum MergeReadinessStatus {
Ready,
Conflicted,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct MergeReadiness {
pub status: MergeReadinessStatus,
pub summary: String,
pub conflicts: Vec<String>,
}
/// Create a new git worktree for an agent session.
pub fn create_for_session(session_id: &str, cfg: &Config) -> Result<WorktreeInfo> {
let repo_root = std::env::current_dir().context("Failed to resolve repository root")?;
@@ -164,6 +177,57 @@ pub fn diff_patch_preview(worktree: &WorktreeInfo, max_lines: usize) -> Result<O
}
}
pub fn merge_readiness(worktree: &WorktreeInfo) -> Result<MergeReadiness> {
let output = Command::new("git")
.arg("-C")
.arg(&worktree.path)
.args(["merge-tree", "--write-tree", &worktree.base_branch, &worktree.branch])
.output()
.context("Failed to generate merge readiness preview")?;
let merged_output = format!(
"{}\n{}",
String::from_utf8_lossy(&output.stdout),
String::from_utf8_lossy(&output.stderr)
);
let conflicts = merged_output
.lines()
.filter_map(parse_merge_conflict_path)
.collect::<Vec<_>>();
if output.status.success() {
return Ok(MergeReadiness {
status: MergeReadinessStatus::Ready,
summary: format!("Merge ready into {}", worktree.base_branch),
conflicts: Vec::new(),
});
}
if !conflicts.is_empty() {
let conflict_summary = conflicts
.iter()
.take(3)
.cloned()
.collect::<Vec<_>>()
.join(", ");
let overflow = conflicts.len().saturating_sub(3);
let detail = if overflow > 0 {
format!("{conflict_summary}, +{overflow} more")
} else {
conflict_summary
};
return Ok(MergeReadiness {
status: MergeReadinessStatus::Conflicted,
summary: format!("Merge blocked by {} conflict(s): {detail}", conflicts.len()),
conflicts,
});
}
let stderr = String::from_utf8_lossy(&output.stderr);
anyhow::bail!("git merge-tree failed: {stderr}");
}
fn git_diff_shortstat(worktree_path: &Path, extra_args: &[&str]) -> Result<Option<String>> {
let mut command = Command::new("git");
command
@@ -280,6 +344,18 @@ fn take_preview_lines(lines: &[String], remaining: &mut usize) -> Vec<String> {
taken
}
fn parse_merge_conflict_path(line: &str) -> Option<String> {
if !line.contains("CONFLICT") {
return None;
}
line.split(" in ")
.nth(1)
.map(str::trim)
.filter(|path| !path.is_empty())
.map(ToOwned::to_owned)
}
fn get_current_branch(repo_root: &Path) -> Result<String> {
let output = Command::new("git")
.arg("-C")
@@ -474,4 +550,107 @@ mod tests {
let _ = fs::remove_dir_all(root);
Ok(())
}
#[test]
fn merge_readiness_reports_ready_worktree() -> Result<()> {
let root = std::env::temp_dir().join(format!("ecc2-worktree-merge-ready-{}", 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 only\n")?;
run_git(&worktree_dir, &["add", "src.txt"])?;
run_git(&worktree_dir, &["commit", "-m", "branch file"])?;
let info = WorktreeInfo {
path: worktree_dir.clone(),
branch: "ecc/test".to_string(),
base_branch: "main".to_string(),
};
let readiness = merge_readiness(&info)?;
assert_eq!(readiness.status, MergeReadinessStatus::Ready);
assert!(readiness.summary.contains("Merge ready into main"));
assert!(readiness.conflicts.is_empty());
let _ = Command::new("git")
.arg("-C")
.arg(&repo)
.args(["worktree", "remove", "--force"])
.arg(&worktree_dir)
.output();
let _ = fs::remove_dir_all(root);
Ok(())
}
#[test]
fn merge_readiness_reports_conflicted_worktree() -> Result<()> {
let root = std::env::temp_dir().join(format!("ecc2-worktree-merge-conflict-{}", 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("README.md"), "hello\nbranch\n")?;
run_git(&worktree_dir, &["commit", "-am", "branch change"])?;
fs::write(repo.join("README.md"), "hello\nmain\n")?;
run_git(&repo, &["commit", "-am", "main change"])?;
let info = WorktreeInfo {
path: worktree_dir.clone(),
branch: "ecc/test".to_string(),
base_branch: "main".to_string(),
};
let readiness = merge_readiness(&info)?;
assert_eq!(readiness.status, MergeReadinessStatus::Conflicted);
assert!(readiness.summary.contains("Merge blocked by 1 conflict"));
assert_eq!(readiness.conflicts, vec!["README.md".to_string()]);
let _ = Command::new("git")
.arg("-C")
.arg(&repo)
.args(["worktree", "remove", "--force"])
.arg(&worktree_dir)
.output();
let _ = fs::remove_dir_all(root);
Ok(())
}
}