#!/bin/bash
# shellcheck disable=SC2034
DESCRIPTION="install an older commit, update to the commit under test: same machine as a fresh install"
IMAGE=base
TIER="nightly"
mapfile -t VARIANTS < <(sed 's/#.*//' "$(dirname "${BASH_SOURCE[0]}")/../baselines" | awk 'NF { print $1 }')

scenario() {
  [ -f "$(reference_fingerprint)" ] \
    || skip "needs the fingerprint 10-fresh-install saves; run both in the same run"

  local sha
  sha="$(git -C "$SMOKETEST_REPO" rev-parse "$VARIANT^{commit}")"
  upstream_set "$sha"

  # Older installers ask for packages that no longer build. Install those
  # baselines with a fix on top, then put the clone back at the baseline
  # itself, as on a machine installed back then: update pulls --ff-only.
  # The source-built herdr pins a zig version Arch has moved on from;
  # herdr-bin provides herdr, and is what HEAD installs instead
  if git -C "$SMOKETEST_REPO" show "$sha:packages.conf" | grep -qx '[[:space:]]*herdr'; then
    upstream_commit "Smoketest: herdr-bin for herdr" '
      sed -i "s/^\([[:space:]]*\)herdr$/\1herdr-bin/" packages.conf'
  fi
  cd_install
  assert_status 0
  run_in_vm reset "git -C ~/.local/share/coredesktop reset -q --hard $(q "$sha")"
  assert_status 0
  vm_reboot

  upstream_set "$SMOKETEST_REF"
  cd_update
  assert_status 0
  vm_reboot
  health

  fingerprint "$SMOKETEST_RESULTS/updated.fingerprint"
  assert_same_fingerprint "$(reference_fingerprint)" "$SMOKETEST_RESULTS/updated.fingerprint"
}