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# vim: filetype=sh
# check that the given directory looks like an OS
# file structure that we can handle correctly.
check_fs_hierarchy()
{
fs_tree="$1"
level="$2"
case "$level" in
"1")
if [ ! -f "$fs_tree/bin/echo" ]
then
echo "E: No /bin/echo found in $fs_tree."
echo "E: This does not seem to be a chroot environment."
return 1
fi
if [ ! -f "$fs_tree/etc/os-release" ]
then
echo "E: No /etc/os-release file found in $fs_tree."
echo "E: Cannot check compatibility. Aborting."
return 1
fi
. "$fs_tree/etc/os-release"
if [ "$ID" != "debian" -a "$ID_LIKE" != "debian" ]
then
echo "E: /etc/os-release file in $fs_tree does not report a debian-like OS."
echo "E: debootstick currently cannot handle such a chroot environment." >&2
echo "E: Run 'debootstick --help-os-support' for more info."
return 1
fi
;;
"2")
chroot "$fs_tree" echo -n >/dev/null 2>&1 || {
echo "E: Unable to execute binaries (/bin/echo at least) in the chroot environment."
echo "E: Please verify:"
echo "E: - file permissions in the chroot environment"
echo "E: - that your host CPU is able to run binaries of the target architecture"
echo "E: Run 'debootstick --help-os-support' for info about compatible environments."
return 1
}
chroot "$fs_tree" which apt-get >/dev/null 2>&1 || {
echo "E: No apt-get found in $1."
echo "E: debootstick cannot handle this kind of chroot environment."
echo "E: Run 'debootstick --help-os-support' for more info."
return 1
}
;;
esac
}
detect_target_type()
{
fs_tree="$1"
dir="$DBSTCK_DIR/scripts/create-image/target"
for subdir in $(ls "$dir")
do
"$dir/$subdir/detect.sh" "$fs_tree" >/dev/null && {
echo "$subdir"
return
}
done
echo "E: debootstick does not know how to handle your chroot environment." >&2
echo "E: Run 'debootstick --help-os-support' for more info." >&2
}
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