Syncthing

What MiniControl runs on your server, word for word. The app shows the same script before it installs.

#!/bin/bash
# Generated by MiniControl for Syncthing. Runs on the machine.
set -euo pipefail
export HOMEBREW_NO_AUTO_UPDATE=1 HOMEBREW_NO_ENV_HINTS=1 NONINTERACTIVE=1
export PATH="/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:$PATH"
step() { echo "STEP|$1|$2"; }
fail() { echo "ERR|$1"; exit 1; }
U=$(id -u)
BREW=$(command -v brew || true)
[ -n "$BREW" ] || fail "Homebrew isn't installed. Server Setup → Homebrew installs it."
BP=$("$BREW" --prefix)
step 1 "Checking the machine"
for f in "$HOME"/Library/LaunchAgents/*.plist; do
  if grep -qsF -- 'bin/syncthing' "$f"; then fail "Syncthing is already set up here, as $(basename "$f" .plist)."; fi
done
if lsof -nP -iTCP:8384 -sTCP:LISTEN >/dev/null 2>&1; then
  fail "Something else already uses port 8384: $(lsof -nP -iTCP:8384 -sTCP:LISTEN | awk 'NR == 2 {print $1}')."
fi
step 2 "Installing with Homebrew"
"$BREW" list --formula syncthing >/dev/null 2>&1 || "$BREW" install syncthing
step 3 "Setting it up"
mkdir -p "$HOME/services/syncthing/log" "$HOME/Library/LaunchAgents"
PL="$HOME/Library/LaunchAgents/app.minicontrol.syncthing.plist"
cat > "$PL" <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>Label</key><string>app.minicontrol.syncthing</string>
  <key>ProgramArguments</key>
  <array>
    <string>$BP/opt/syncthing/bin/syncthing</string>
    <string>--no-browser</string>
    <string>--no-restart</string>
    <string>--gui-address=0.0.0.0:8384</string>
  </array>
  <key>RunAtLoad</key><true/>
  <key>KeepAlive</key><true/>
  <key>ThrottleInterval</key><integer>10</integer>
  <key>ProcessType</key><string>Background</string>
  <key>StandardOutPath</key><string>$HOME/services/syncthing/log/launchd.out.log</string>
  <key>StandardErrorPath</key><string>$HOME/services/syncthing/log/launchd.err.log</string>
</dict>
</plist>
EOF
plutil -lint "$PL" >/dev/null
[ -x "$BP/opt/syncthing/bin/syncthing" ] || fail "$BP/opt/syncthing/bin/syncthing isn't there after the install."
step 4 "Starting Syncthing"
# Services run in the logged-in user's session (gui/<uid>), like every service in the panel.
launchctl bootstrap "gui/$U" "$PL" || fail "launchd didn't start it. Services run while you're logged in on the machine; Server Setup's \"Log in automatically after a restart\" fixes that."
if /usr/libexec/ApplicationFirewall/socketfilterfw --getglobalstate 2>/dev/null | grep -q enabled; then echo "FW|$BP/opt/syncthing/bin/syncthing"; fi
step 5 "Waiting for it to answer"
# Localhost, and the Tailscale IP for apps that bind only to it.
# `|| true`: with set -e, a failed substitution in an assignment would end the script.
HOSTS="127.0.0.1 $(for t in "$BP/bin/tailscale" /usr/local/bin/tailscale; do [ -x "$t" ] && "$t" ip -4 2>/dev/null && break; done | head -1 || true)"
ok=0
for i in $(seq 1 45); do
  for h in $HOSTS; do
    if curl -fsS -m 3 -o /dev/null "http://$h:8384/rest/noauth/health" 2>/dev/null; then ok=1; break 2; fi
  done
  sleep 2
done
[ "$ok" = 1 ] || echo "WARN|It started, but isn't answering on port 8384 yet. Big apps can take a minute on first start."
echo "DONE"