feat(@scripts): ✨ enhance crc to support tmux sessions and persistent remote control
Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>
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Natalie
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1 changed files with 119 additions and 35 deletions
154
bin/crc
154
bin/crc
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@ -1,56 +1,140 @@
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#!/bin/sh
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# crc — "claude remote", in a fresh iTerm window.
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# crc — start a `claude rc` (Remote Control) server in a target dir on a target
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# host, inside a durable tmux session so transport drops don't kill it.
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#
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# Thin launcher over `rclaude`: opens a NEW iTerm2 window and starts a durable
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# remote Claude Code session in a target directory on a target host. Unlike the
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# `cc` alias (which takes over the current tab), this spawns its own window so
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# the current shell is left alone.
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# `claude rc` (= `claude remote-control`) is a persistent server: you start it
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# in a directory, then drive sessions there from claude.ai/code or the Claude
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# mobile app. It must keep running after you disconnect — so crc parks it in a
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# named tmux session on the host (same durability trick as tssh/remote-run).
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#
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# The tmux session name is derived from the directory, so re-running crc for the
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# same host+dir RE-ATTACHES the existing server instead of starting a second
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# one. Detach with Ctrl-b d; the server keeps running. Reattach with the same
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# crc command.
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#
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# Usage:
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# crc # apricot.lan, mirror of $PWD
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# crc <host> # <host>, mirror of $PWD
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# crc <host> <dir> # <host>, explicit dir
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# crc # apricot.lan, mirror of $PWD
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# crc <host> # <host>, mirror of $PWD
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# crc <host> <dir> # <host>, explicit dir (abs path or ~/...)
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# crc <host> <dir> -- <args> # extra args passed to `claude rc`
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# crc -n ... # open a NEW iTerm window instead of current tab
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# crc -h | --help
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#
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# host may be any ssh target (alias, user@host, IP), or local/./localhost to run
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# on this machine. When <dir> is omitted, $PWD is mirrored to the same path
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# under the remote's $HOME (like rclaude); paths outside $HOME fall back to ~.
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#
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# Env:
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# CRC_HOST default host when none given (default: apricot.lan)
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#
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# Everything host/dir/mirror/tmux-related is delegated to `rclaude`; this script
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# only owns the "new iTerm window" part.
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set -eu
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host=${CRC_HOST:-apricot.lan}
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dir=$PWD
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new_window=0
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dry_run=0
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case "${1:-}" in
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-h|--help)
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sed -n '2,18p' "$0" | sed 's/^# \{0,1\}//'
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exit 0
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;;
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esac
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usage() { sed -n '2,29p' "$0" | sed 's/^# \{0,1\}//'; }
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[ $# -ge 1 ] && host=$1
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[ $# -ge 2 ] && dir=$2
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# --- arg parse -------------------------------------------------------------
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positional='' # collected host/dir (max 2), space-free tokens unsafe so
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# we track count explicitly
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have_host=0
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dir_set=0
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dir=''
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rc_args='' # everything after `--`, verbatim
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command -v rclaude >/dev/null 2>&1 || {
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echo "crc: rclaude not found on PATH" >&2
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exit 127
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}
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while [ $# -gt 0 ]; do
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case "$1" in
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-h|--help) usage; exit 0 ;;
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-n|--new-window) new_window=1; shift ;;
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--dry-run) dry_run=1; shift ;;
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--) shift; rc_args=$*; break ;;
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-*) echo "crc: unknown option: $1" >&2; exit 2 ;;
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*)
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if [ $have_host -eq 0 ]; then host=$1; have_host=1
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elif [ $dir_set -eq 0 ]; then dir=$1; dir_set=1
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else echo "crc: too many arguments: $1" >&2; exit 2
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fi
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shift ;;
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esac
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done
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# Build the command the new window will run. rclaude resolves the local->remote
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# mirror itself, so we just hand it host + dir verbatim.
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inner="rclaude $(printf %q "$host") $(printf %q "$dir")"
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# Escape for embedding inside an AppleScript double-quoted string.
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escaped=$(printf %s "$inner" | sed -e 's/\\/\\\\/g' -e 's/"/\\"/g')
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osascript <<OSA
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# --- new-window mode: relaunch self (sans -n) in a fresh iTerm window -------
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if [ "$new_window" -eq 1 ]; then
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cmd="crc"
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[ $have_host -eq 1 ] && cmd="$cmd $(printf %q "$host")"
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[ $dir_set -eq 1 ] && cmd="$cmd $(printf %q "$dir")"
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[ -n "$rc_args" ] && cmd="$cmd -- $rc_args"
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escaped=$(printf %s "$cmd" | sed -e 's/\\/\\\\/g' -e 's/"/\\"/g')
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osascript <<OSA
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tell application "iTerm"
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activate
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create window with default profile
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tell current session of current window
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write text "${escaped}"
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end tell
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tell current session of current window to write text "${escaped}"
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end tell
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OSA
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exit 0
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fi
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# --- resolve dir into a remote-evaluable shell expression ------------------
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# rel → mirror of $PWD relative to $HOME (remote expands $HOME)
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# abs → explicit path, used verbatim (handles absolute and ~/...)
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rel=''
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abs=''
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slug_src=''
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if [ $dir_set -eq 1 ]; then
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abs=$dir
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slug_src=$dir
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else
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case "$PWD" in
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"$HOME") rel='' ; slug_src='home' ;;
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"$HOME"/*) rel=${PWD#"$HOME"/} ; slug_src=$rel ;;
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*) rel='' ; slug_src='home' ;; # outside $HOME → remote home
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esac
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fi
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# tmux session name: stable, derived from the dir. tmux forbids '.' and ':'.
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slug=$(printf %s "$slug_src" | tr '[:upper:]' '[:lower:]' | sed -e 's#[^a-z0-9]\{1,\}#-#g' -e 's#^-##' -e 's#-$##')
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[ -n "$slug" ] || slug='home'
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session="claude-rc-${slug}"
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# --- build the remote bootstrap (base64'd to survive all quoting layers) ----
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# Decoded and run by `sh` on the far side. Computes DIR, validates it, then
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# exec's tmux new-session -A (attach-or-create) running `claude rc` under a
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# login shell so ~/.local/bin (where claude lives) is on PATH.
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boot=$(cat <<BOOT
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REL=$(printf %q "$rel")
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ABS=$(printf %q "$abs")
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RC_ARGS=$(printf %q "$rc_args")
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SESS=$(printf %q "$session")
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if [ -n "\$ABS" ]; then DIR=\$ABS; else DIR="\$HOME\${REL:+/\$REL}"; fi
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if ! cd "\$DIR" 2>/dev/null; then
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echo "crc: directory not found on host: \$DIR" >&2
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exit 1
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fi
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exec tmux new-session -A -s "\$SESS" "\${SHELL:-/bin/sh} -lc 'cd \"\$DIR\" && exec claude rc \$RC_ARGS'"
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BOOT
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)
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boot_b64=$(printf %s "$boot" | base64 | tr -d '\n')
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run_remote="printf %s '${boot_b64}' | base64 -d | sh"
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echo "crc: ${session} → claude rc in ${abs:-\$HOME/${rel}} on ${host}" >&2
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echo "crc: detach with Ctrl-b d (server keeps running); reattach by re-running this command." >&2
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if [ "$dry_run" -eq 1 ]; then
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echo "--- remote script ($host) ---" >&2
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printf %s "$boot_b64" | base64 -d
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echo
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exit 0
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fi
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case "$host" in
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local|localhost|.)
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command -v tmux >/dev/null 2>&1 || { echo "crc: tmux not found locally" >&2; exit 127; }
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eval "$run_remote"
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;;
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*)
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exec ssh -t "$host" "$run_remote"
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;;
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esac
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