mmdebstrap/tests/preserve-mode-of-etc-resolv-conf-and-etc-hostname

#!/bin/sh
set -eu
export LC_ALL=C.UTF-8
if [ ! -e /mmdebstrap-testenv ]; then
  echo "this test modifies the system and should only be run inside a container" >&2
  exit 1
fi
for f in /etc/resolv.conf /etc/hostname; do
  # preserve original content
  cat "$f" >"$f.bak"
  # in case $f is a symlink, we replace it by a real file
  if [ -L "$f" ]; then
    rm "$f"
    cp "$f.bak" "$f"
  fi
  chmod 644 "$f"
  [ "$(stat --format=%A "$f")" = "-rw-r--r--" ]
done
{{ CMD }} --variant=custom --mode={{ MODE }} {{ DIST }} /tmp/debian-chroot {{ MIRROR }}
for f in /etc/resolv.conf /etc/hostname; do
  [ "$(stat --format=%A "/tmp/debian-chroot/$f")" = "-rw-r--r--" ]
done
rm /tmp/debian-chroot/dev/console
rm /tmp/debian-chroot/dev/fd
rm /tmp/debian-chroot/dev/full
rm /tmp/debian-chroot/dev/null
rm /tmp/debian-chroot/dev/ptmx
rm /tmp/debian-chroot/dev/random
rm /tmp/debian-chroot/dev/stderr
rm /tmp/debian-chroot/dev/stdin
rm /tmp/debian-chroot/dev/stdout
rm /tmp/debian-chroot/dev/tty
rm /tmp/debian-chroot/dev/urandom
rm /tmp/debian-chroot/dev/zero
rm /tmp/debian-chroot/etc/apt/sources.list
rm /tmp/debian-chroot/etc/fstab
rm /tmp/debian-chroot/etc/hostname
rm /tmp/debian-chroot/etc/resolv.conf
rm /tmp/debian-chroot/var/lib/apt/lists/lock
rm /tmp/debian-chroot/var/lib/dpkg/status
rm /tmp/debian-chroot/var/lib/dpkg/arch
# the rest should be empty directories that we can rmdir recursively
find /tmp/debian-chroot -depth -print0 | xargs -0 rmdir
for f in /etc/resolv.conf /etc/hostname; do
  chmod 755 "$f"
  [ "$(stat --format=%A "$f")" = "-rwxr-xr-x" ]
done
{{ CMD }} --variant=custom --mode={{ MODE }} {{ DIST }} /tmp/debian-chroot {{ MIRROR }}
for f in /etc/resolv.conf /etc/hostname; do
  [ "$(stat --format=%A "/tmp/debian-chroot/$f")" = "-rwxr-xr-x" ]
done
rm /tmp/debian-chroot/dev/console
rm /tmp/debian-chroot/dev/fd
rm /tmp/debian-chroot/dev/full
rm /tmp/debian-chroot/dev/null
rm /tmp/debian-chroot/dev/ptmx
rm /tmp/debian-chroot/dev/random
rm /tmp/debian-chroot/dev/stderr
rm /tmp/debian-chroot/dev/stdin
rm /tmp/debian-chroot/dev/stdout
rm /tmp/debian-chroot/dev/tty
rm /tmp/debian-chroot/dev/urandom
rm /tmp/debian-chroot/dev/zero
rm /tmp/debian-chroot/etc/apt/sources.list
rm /tmp/debian-chroot/etc/fstab
rm /tmp/debian-chroot/etc/hostname
rm /tmp/debian-chroot/etc/resolv.conf
rm /tmp/debian-chroot/var/lib/apt/lists/lock
rm /tmp/debian-chroot/var/lib/dpkg/status
rm /tmp/debian-chroot/var/lib/dpkg/arch
# the rest should be empty directories that we can rmdir recursively
find /tmp/debian-chroot -depth -print0 | xargs -0 rmdir
for f in /etc/resolv.conf /etc/hostname; do
  rm "$f"
  ln -s "$f.bak" "$f"
  [ "$(stat --format=%A "$f")" = "lrwxrwxrwx" ]
done
{{ CMD }} --variant=custom --mode={{ MODE }} {{ DIST }} /tmp/debian-chroot {{ MIRROR }}
for f in /etc/resolv.conf /etc/hostname; do
  [ "$(stat --format=%A "/tmp/debian-chroot/$f")" = "-rw-r--r--" ]
done
rm /tmp/debian-chroot/dev/console
rm /tmp/debian-chroot/dev/fd
rm /tmp/debian-chroot/dev/full
rm /tmp/debian-chroot/dev/null
rm /tmp/debian-chroot/dev/ptmx
rm /tmp/debian-chroot/dev/random
rm /tmp/debian-chroot/dev/stderr
rm /tmp/debian-chroot/dev/stdin
rm /tmp/debian-chroot/dev/stdout
rm /tmp/debian-chroot/dev/tty
rm /tmp/debian-chroot/dev/urandom
rm /tmp/debian-chroot/dev/zero
rm /tmp/debian-chroot/etc/apt/sources.list
rm /tmp/debian-chroot/etc/fstab
rm /tmp/debian-chroot/etc/hostname
rm /tmp/debian-chroot/etc/resolv.conf
rm /tmp/debian-chroot/var/lib/apt/lists/lock
rm /tmp/debian-chroot/var/lib/dpkg/status
rm /tmp/debian-chroot/var/lib/dpkg/arch
# the rest should be empty directories that we can rmdir recursively
find /tmp/debian-chroot -depth -print0 | xargs -0 rmdir