carryctx 0.1.0

Persistent project context for coding agents
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use crate::*;
use carryctx::application;
use carryctx::application::runtime::InvocationContext;
use carryctx::error::ExitCode;
use clap::Parser;

// ── Worktree ─────────────────────────────────────────────────────────────

#[derive(Parser, Debug)]
pub enum WorktreeCommand {
    /// Create a new Git worktree bound to a specific task
    Create {
        task_ref: String,
        /// Path to create the worktree in. Defaults to '../<task_id>'
        #[arg(long)]
        path: Option<String>,
        /// Branch name to create or checkout. Defaults to task ID
        #[arg(long)]
        branch: Option<String>,
        /// Base commit or branch to branch from. Defaults to main_branch
        #[arg(long)]
        base: Option<String>,
    },
    /// Bind an existing directory/worktree to a task
    Bind {
        path: String,
        /// Task ULID to bind to
        #[arg(long)]
        task: Option<String>,
    },
    /// List all known worktrees and their task bindings
    List,
    /// Show details for a specific worktree
    Show { worktree_ref: String },
    /// Show the binding status of the current directory
    Status,
    /// Unbind a worktree from its task
    Unbind { worktree_ref: String },
}

#[derive(Parser, Debug)]
pub struct WorktreeArgs {
    /// Worktree subcommand to execute
    #[command(subcommand)]
    pub command: WorktreeCommand,
}

// ═══════════════════════════════════════════════════════════════════════════
//  Handler: worktree
// ═══════════════════════════════════════════════════════════════════════════

pub fn handle_worktree(
    args: &WorktreeArgs,
    ctx: &InvocationContext,
    is_json: bool,
) -> Result<ExitCode, ExitCode> {
    let mut runtime = try_open_runtime(ctx)?;
    let project_id = &runtime.config.project.id;
    let conn = runtime.database.connection_mut();
    let now = chrono::Utc::now().to_rfc3339();

    let worktree_repo = SqliteWorktreeRepository::new(conn);
    let task_repo = SqliteTaskRepository::new(conn);
    let event_repo = SqliteEventRepository::new(conn);
    let git_cli = GitCli::new();

    match &args.command {
        WorktreeCommand::Create {
            task_ref,
            path,
            branch,
            base,
        } => {
            let branch_name = branch.clone().unwrap_or_else(|| {
                format!("carryctx/{}", task_ref.replace('/', "-").to_lowercase())
            });
            let worktree_path = path.clone().unwrap_or_else(|| {
                format!("../worktrees/{}", task_ref.replace('/', "-").to_lowercase())
            });
            let input = application::worktree::CreateWorktreeInput {
                project_id: project_id.to_string(),
                repository_root: runtime
                    .git_project
                    .repository_root
                    .to_string_lossy()
                    .to_string(),
                path: worktree_path,
                branch: branch_name,
                base: base.clone(),
                task_id: Some(task_ref.clone()),
            };
            let result = application::worktree::create_worktree(
                &worktree_repo,
                &task_repo,
                &event_repo,
                &git_cli,
                &runtime.xdg,
                &input,
                &now,
            );
            render_and_print("worktree.create", result, is_json, ctx.quiet)
        }
        WorktreeCommand::Bind { path, task } => {
            let input = application::worktree::BindWorktreeInput {
                project_id: project_id.to_string(),
                path: path.clone(),
                task_id: task.clone(),
            };
            let result = application::worktree::bind_worktree(
                &worktree_repo,
                &task_repo,
                &event_repo,
                &git_cli,
                &input,
                &now,
            );
            render_and_print("worktree.bind", result, is_json, ctx.quiet)
        }
        WorktreeCommand::List => {
            let result = application::worktree::list_worktrees(
                &worktree_repo,
                &git_cli,
                project_id,
                Some(&runtime.git_project.repository_root.to_string_lossy()),
            );
            render_and_print("worktree.list", result, is_json, ctx.quiet)
        }
        WorktreeCommand::Show { worktree_ref } => {
            let result = application::worktree::show_worktree(
                &worktree_repo,
                &git_cli,
                project_id,
                worktree_ref,
            );
            render_and_print("worktree.show", result, is_json, ctx.quiet)
        }
        WorktreeCommand::Status => {
            let worktrees = worktree_repo.list(project_id).map_err(|e| e.exit_code)?;
            let git_trees = git_cli
                .list_worktrees(&runtime.git_project.repository_root)
                .ok()
                .unwrap_or_default();
            let data = serde_json::json!({
                "registered": worktrees,
                "gitWorktrees": git_trees,
            });
            render_and_print("worktree.status", Ok(data), is_json, ctx.quiet)
        }
        WorktreeCommand::Unbind { worktree_ref } => {
            let result = application::worktree::unbind_worktree(
                &worktree_repo,
                &event_repo,
                project_id,
                worktree_ref,
                &now,
            );
            render_and_print("worktree.unbind", result, is_json, ctx.quiet)
        }
    }
}