#!/bin/bash
# Synod trial: three writers on this machine.
#   curl -fsSL https://synoddb.com/try.sh | sudo bash
# Downloads the trial package (106 MB), checks its SHA-256, unpacks it into /opt/synod-trial
# and runs synod-try there, which installs Synod on this machine and creates a cluster with three
# writers. Ubuntu 24.04 on x86-64 with systemd, 8 GB of memory or more, as root.
# Arguments go to synod-try: curl -fsSL https://synoddb.com/try.sh | sudo bash -s -- status
# Read first if you like: curl -fsSL https://synoddb.com/try.sh | less
set -euo pipefail
VERSION=0.1.0
SHA256=fd54331eb60eeb8ca1395174cc22c0df3338892ee5c983486ffb914623f1470b
URL=https://synoddb.com/download/synod-trial-$VERSION-ubuntu24.04-x86_64.tar.gz
DIR=/opt/synod-trial

[ "$(id -u)" = 0 ] || { echo "run as root: curl -fsSL https://synoddb.com/try.sh | sudo bash" >&2; exit 1; }
[ "$(uname -m)" = x86_64 ] || { echo "Synod's trial is built for x86-64 (this machine: $(uname -m))" >&2; exit 1; }
grep -q '^VERSION_ID="24.04"' /etc/os-release 2>/dev/null || { echo "Synod's trial is built for Ubuntu 24.04" >&2; exit 1; }
for t in curl tar sha256sum python3; do command -v $t > /dev/null || { echo "missing $t" >&2; exit 1; }; done

echo "Synod $VERSION trial: a prototype, free to try, provided as-is; no production data please."
echo "Using it means you accept the trial terms: https://synoddb.com/download/TRIAL-TERMS.txt"
if [ -x "$DIR/synod-try" ] && [ "$(head -1 "$DIR/VERSION" 2>/dev/null)" = "$VERSION" ]; then
  echo "Synod $VERSION is already unpacked in $DIR"
else
  tmp=$(mktemp -d)
  trap 'rm -rf "$tmp"' EXIT
  echo "Downloading $URL"
  curl -fSL --progress-bar "$URL" -o "$tmp/synod-trial.tar.gz"
  echo "$SHA256  $tmp/synod-trial.tar.gz" | sha256sum -c --quiet - || { echo "checksum mismatch: not installing" >&2; exit 1; }
  rm -rf "$DIR"
  mkdir -p "$DIR"
  tar -xzf "$tmp/synod-trial.tar.gz" -C "$DIR" --strip-components=1 --no-same-owner
  echo "Unpacked into $DIR (README.md, TRIAL-TERMS.txt, LICENSES/)"
fi
exec python3 "$DIR/synod-try" "$@" < /dev/null