#!/bin/bash

set -ouex pipefail

echo "Let's see."
echo "/etc/passwd contents:"
cat /etc/passwd
echo "/usr/lib/passwd contents:"
cat /usr/lib/passwd
echo ""
echo "/etc/group contents:"
cat /etc/group
echo "/usr/lib/group contents:"
cat /usr/lib/group

## Handle files that rpm-ostree would normally remove
## Adapted from: https://github.com/hhd-dev/rechunk/blob/master/1_prune.sh#L33

if [ -f /etc/passwd ]; then
  out=$(grep -v "root" /etc/passwd)

  if [[ ! -z "$out" ]]; then
    echo
    echo Appending the following passwd users to /usr/lib/passwd
    echo "$out"
    echo "$out" >>/usr/lib/passwd
  fi
fi

if [ -f /etc/group ]; then
  out=$(grep -v "root\|wheel" /etc/group)

  if [[ ! -z "$out" ]]; then
    echo
    echo Appending the following group entries to /usr/lib/group
    echo "$out"
    echo "$out" >>/usr/lib/group
  fi
fi

if [ -f /etc/passwd ] || [ -f /etc/group ]; then
  echo
  echo "Warning: Make sure processed users and groups are from installed programs!"
fi

# # Create defaults for /etc/passwd, /etc/group
# cat <<EOT >/etc/passwd
# root:x:0:0:root:/root:/bin/bash
# EOT
# cat <<EOT >/etc/group
# root:x:0:
# wheel:x:10:
# EOT

# Extra lock files created by container processes that might cause issues
rm -rf \
  /etc/.pwd.lock \
  /etc/passwd- \
  /etc/group- \
  /etc/shadow- \
  /etc/gshadow- \
  /etc/subuid- \
  /etc/subgid- \
  /.dockerenv

# # Merge /usr/etc to /etc
# # OSTree will error out if both dirs exist
# # And rpm-ostree will be confused and use only one of them
# if [ -d /usr/etc ]; then
#   echo
#   echo WARNING: FOUND /usr/etc. MERGING TO ETC FOR COMPATIBILITY
#   echo EXPECT PERMISSIONS ISSUES ON THE MERGED PATHS
#   echo The following files from /usr/etc will be merged to /etc:
#   tree /usr/etc
#
#   echo
#   rsync -aAX --numeric-ids --checksum --links /usr/etc/ /etc
#   rm -rf /usr/etc
# fi
#
# # Move /etc to /usr/etc
# mv /etc /usr/

# ...normal ublue-inspired steps continue.