Files
rose-ash/scripts/sx-loops-up.sh
giles 30d76537d1 sx-loops: each language runs in its own git worktree
Previous version ran all 7 claude sessions in the main working tree on
branch 'architecture'. That would race on git operations and cross-
contaminate commits between languages even though their file scopes
don't overlap. Now each session runs in /root/rose-ash-loops/<lang> on
branch loops/<lang>, created from the current architecture HEAD.

sx-loops-down.sh gains --clean to remove the worktrees; loops/<lang>
branches stay unless explicitly deleted.

Also: second Enter keystroke after the /loop command, since Claude's
input box sometimes interprets the first newline as a soft break.
2026-04-24 16:50:27 +00:00

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#!/usr/bin/env bash
# Spawn 7 claude sessions in tmux, one per language loop.
# Each runs in its own git worktree rooted at /root/rose-ash-loops/<lang>,
# on branch loops/<lang>. No two loops share a working tree, so there's
# zero risk of file collisions between languages.
#
# Usage: ./scripts/sx-loops-up.sh [interval]
# interval defaults to self-paced (omit to let model decide)
#
# After the script prints done:
# tmux a -t sx-loops
# Ctrl-B + <window-number> to switch (0=lua ... 6=hs)
# Ctrl-B + d to detach (loops keep running, SSH-safe)
#
# Stop: ./scripts/sx-loops-down.sh
# Wipe worktrees too: ./scripts/sx-loops-down.sh --clean
set -euo pipefail
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
cd "$ROOT"
SESSION="sx-loops"
WORKTREE_BASE="/root/rose-ash-loops"
INTERVAL="${1:-}" # e.g. "15m", or empty for self-paced
BOOT_WAIT=20
if tmux has-session -t "$SESSION" 2>/dev/null; then
echo "Session '$SESSION' already exists."
echo " Attach: tmux a -t $SESSION"
echo " Kill: ./scripts/sx-loops-down.sh"
exit 1
fi
declare -A BRIEFING=(
[lua]=lua-loop.md
[prolog]=prolog-loop.md
[forth]=forth-loop.md
[erlang]=erlang-loop.md
[haskell]=haskell-loop.md
[js]=loop.md
[hs]=hs-loop.md
)
ORDER=(lua prolog forth erlang haskell js hs)
mkdir -p "$WORKTREE_BASE"
echo "Preparing per-language worktrees under $WORKTREE_BASE ..."
for lang in "${ORDER[@]}"; do
wt="$WORKTREE_BASE/$lang"
branch="loops/$lang"
if [ -d "$wt/.git" ] || [ -f "$wt/.git" ]; then
echo " $lang: worktree exists at $wt"
else
# Create or reset the branch at current architecture HEAD, then add worktree
if git show-ref --verify --quiet "refs/heads/$branch"; then
git worktree add "$wt" "$branch" >/dev/null
else
git worktree add -b "$branch" "$wt" architecture >/dev/null
fi
echo " $lang: worktree created at $wt on $branch"
fi
done
# Create tmux session with 7 windows, each cwd in its worktree
tmux new-session -d -s "$SESSION" -n "${ORDER[0]}" -c "$WORKTREE_BASE/${ORDER[0]}"
for lang in "${ORDER[@]:1}"; do
tmux new-window -t "$SESSION" -n "$lang" -c "$WORKTREE_BASE/$lang"
done
echo "Starting 7 claude sessions..."
for lang in "${ORDER[@]}"; do
tmux send-keys -t "$SESSION:$lang" "claude" C-m
done
echo "Waiting ${BOOT_WAIT}s for claude to boot..."
sleep "$BOOT_WAIT"
for lang in "${ORDER[@]}"; do
briefing="${BRIEFING[$lang]}"
if [ -n "$INTERVAL" ]; then
preamble="/loop $INTERVAL "
else
preamble="/loop "
fi
cmd="${preamble}Read plans/agent-briefings/$briefing and do ONE iteration per fire: pick the first unchecked [ ] from the plan, implement, test, commit with a short factual message, tick the box, append one dated line to the Progress log (newest first), then stop. You are on branch loops/$lang in worktree /root/rose-ash-loops/$lang; push commits to origin/loops/$lang (never main). Stay strictly in the briefing's scope."
tmux send-keys -t "$SESSION:$lang" "$cmd"
# tiny pause, then a second Enter — Claude's input box sometimes eats the first newline as a soft break
sleep 0.5
tmux send-keys -t "$SESSION:$lang" Enter
done
echo ""
echo "Done. 7 loops started in tmux session '$SESSION', each in its own worktree."
echo ""
echo " Attach: tmux a -t $SESSION"
echo " Switch: Ctrl-B <0..6> (0=lua 1=prolog 2=forth 3=erlang 4=haskell 5=js 6=hs)"
echo " List: Ctrl-B w"
echo " Detach: Ctrl-B d"
echo " Stop: ./scripts/sx-loops-down.sh"
echo " Capture: tmux capture-pane -t $SESSION:<lang> -p | tail -40"
echo ""
echo "Worktrees:"
git worktree list | grep -E "rose-ash-loops/" || true