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4.8 kB · 196 lines
TypeScript
at main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197/** * Interactive Shell Commands Extension * * Enables running interactive commands (vim, git rebase -i, htop, etc.) * with full terminal access. The TUI suspends while they run. * * Usage: * pi -e examples/extensions/interactive-shell.ts * * !vim file.txt # Auto-detected as interactive * !i any-command # Force interactive mode with !i prefix * !git rebase -i HEAD~3 * !htop * * Configuration via environment variables: * INTERACTIVE_COMMANDS - Additional commands (comma-separated) * INTERACTIVE_EXCLUDE - Commands to exclude (comma-separated) * * Note: This only intercepts user `!` commands, not agent bash tool calls. * If the agent runs an interactive command, it will fail (which is fine). */
import { spawnSync } from "node:child_process";import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
// Default interactive commands - editors, pagers, git ops, TUIsconst DEFAULT_INTERACTIVE_COMMANDS = [ // Editors "vim", "nvim", "vi", "nano", "emacs", "pico", "micro", "helix", "hx", "kak", // Pagers "less", "more", "most", // Git interactive "git commit", "git rebase", "git merge", "git cherry-pick", "git revert", "git add -p", "git add --patch", "git add -i", "git add --interactive", "git stash -p", "git stash --patch", "git reset -p", "git reset --patch", "git checkout -p", "git checkout --patch", "git difftool", "git mergetool", // System monitors "htop", "top", "btop", "glances", // File managers "ranger", "nnn", "lf", "mc", "vifm", // Git TUIs "tig", "lazygit", "gitui", // Fuzzy finders "fzf", "sk", // Remote sessions "ssh", "telnet", "mosh", // Database clients "psql", "mysql", "sqlite3", "mongosh", "redis-cli", // Kubernetes/Docker "kubectl edit", "kubectl exec -it", "docker exec -it", "docker run -it", // Other "tmux", "screen", "ncdu",];
function getInteractiveCommands(): string[] { const additional = process.env.INTERACTIVE_COMMANDS?.split(",") .map((s) => s.trim()) .filter(Boolean) ?? []; const excluded = new Set(process.env.INTERACTIVE_EXCLUDE?.split(",").map((s) => s.trim().toLowerCase()) ?? []); return [...DEFAULT_INTERACTIVE_COMMANDS, ...additional].filter((cmd) => !excluded.has(cmd.toLowerCase()));}
function isInteractiveCommand(command: string): boolean { const trimmed = command.trim().toLowerCase(); const commands = getInteractiveCommands();
for (const cmd of commands) { const cmdLower = cmd.toLowerCase(); // Match at start if (trimmed === cmdLower || trimmed.startsWith(`${cmdLower} `) || trimmed.startsWith(`${cmdLower}\t`)) { return true; } // Match after pipe: "cat file | less" const pipeIdx = trimmed.lastIndexOf("|"); if (pipeIdx !== -1) { const afterPipe = trimmed.slice(pipeIdx + 1).trim(); if (afterPipe === cmdLower || afterPipe.startsWith(`${cmdLower} `)) { return true; } } } return false;}
export default function (pi: ExtensionAPI) { pi.on("user_bash", async (event, ctx) => { let command = event.command; let forceInteractive = false;
// Check for !i prefix (command comes without the leading !) // The prefix parsing happens before this event, so we check if command starts with "i " if (command.startsWith("i ") || command.startsWith("i\t")) { forceInteractive = true; command = command.slice(2).trim(); }
const shouldBeInteractive = forceInteractive || isInteractiveCommand(command); if (!shouldBeInteractive) { return; // Let normal handling proceed }
// No UI available (print mode, RPC, etc.) if (!ctx.hasUI) { return { result: { output: "(interactive commands require TUI)", exitCode: 1, cancelled: false, truncated: false }, }; }
// Use ctx.ui.custom() to get TUI access, then run the command const exitCode = await ctx.ui.custom<number | null>((tui, _theme, _kb, done) => { // Stop TUI to release terminal tui.stop();
// Clear screen process.stdout.write("\x1b[2J\x1b[H");
// Run command with full terminal access const shell = process.env.SHELL || "/bin/sh"; const result = spawnSync(shell, ["-c", command], { stdio: "inherit", env: process.env, });
// Restart TUI tui.start(); tui.requestRender(true);
// Signal completion done(result.status);
// Return empty component (immediately disposed since done() was called) return { render: () => [], invalidate: () => {} }; });
// Return result to prevent default bash handling const output = exitCode === 0 ? "(interactive command completed successfully)" : `(interactive command exited with code ${exitCode})`;
return { result: { output, exitCode: exitCode ?? 1, cancelled: false, truncated: false, }, }; });}