#!/bin/bash
#
# Purpose : Show which version of CoreDesktop this machine is running
#
# CoreDesktop is a rolling release, so its version is the date of the commit
# the local checkout is on, plus the short hash to tell same-day commits apart,
# e.g. 2026.10.22 (c5f0651). The kernel is shown separately because it comes
# from Arch, not CoreDesktop.

COREDESKTOP="$HOME/.local/share/coredesktop"

source "$COREDESKTOP/utils.sh"

if ! git -C "$COREDESKTOP" rev-parse --git-dir &> /dev/null; then
  echo "CoreDesktop isn't installed in $COREDESKTOP."
  exit 1
fi

version="$(git -C "$COREDESKTOP" log -1 --format='%cd (%h)' --date=format:%Y.%m.%d)"

# Local edits to the checkout mean this isn't exactly the version above
if [ -n "$(git -C "$COREDESKTOP" status --porcelain --untracked-files=no)" ]; then
  version="$version, modified"
fi

kernel="$(uname -r)"
# If the running kernel's modules are gone, a newer kernel was installed
if [ ! -d "/usr/lib/modules/$kernel" ]; then
  kernel="$kernel (newer kernel installed, reboot to use it)"
fi

# 10-pacman.sh rewrites this log on every update
if [ -f "$PACMAN_UPDATE_LOG" ]; then
  last_update="$(date -r "$PACMAN_UPDATE_LOG" '+%Y-%m-%d %H:%M')"
else
  last_update="never"
fi

echo "CoreDesktop  $version"
echo "Kernel       $kernel"
echo "Last update  $last_update"