Files
windmill/scripts/worktree-env
Ruben Fiszel 7052a36026 workmux setup
2026-02-19 12:00:51 +00:00

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#!/usr/bin/env bash
set -euo pipefail
port_in_use() {
lsof -nP -iTCP:"$1" -sTCP:LISTEN &>/dev/null
}
find_port() {
local port=$1
while port_in_use "$port"; do
((port++))
done
echo "$port"
}
if [[ -z "${WM_SLOT:-}" ]]; then
# Auto-assign: find the first slot (1-99) where both ports are free
# Slot 0 (8000/3000) is reserved for the main worktree
for slot in $(seq 1 99); do
bp=$((8000 + slot * 10))
fp=$((3000 + slot * 10))
if ! port_in_use "$bp" && ! port_in_use "$fp"; then
WM_SLOT=$slot
break
fi
done
if [[ -z "${WM_SLOT:-}" ]]; then
echo "ERROR: No available slot found (tried 1-99)" >&2
exit 1
fi
echo "Auto-assigned slot $WM_SLOT"
fi
# Slot-based: predictable ports for SSH forwarding
# Slot 0 = 8000/3000, slot 1 = 8010/3010, slot 2 = 8020/3020, etc.
backend_port=$((8000 + WM_SLOT * 10))
frontend_port=$((3000 + WM_SLOT * 10))
if port_in_use "$backend_port" || port_in_use "$frontend_port"; then
echo "ERROR: Slot $WM_SLOT ports ($backend_port/$frontend_port) already in use" >&2
exit 1
fi
# Generate .env.local with port overrides
cat > .env.local <<EOF
BACKEND_PORT=$backend_port
FRONTEND_PORT=$frontend_port
REMOTE=http://localhost:$backend_port
EOF
echo "Created .env.local with ports: backend=$backend_port, frontend=$frontend_port"