diff options
Diffstat (limited to 'arch-nspawn.in')
-rw-r--r-- | arch-nspawn.in | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch-nspawn.in b/arch-nspawn.in index 6900382..94002f1 100644 --- a/arch-nspawn.in +++ b/arch-nspawn.in @@ -32,7 +32,7 @@ while getopts 'hC:M:c:' arg; do M) makepkg_conf="$OPTARG" ;; c) cache_dir="$OPTARG" ;; h|?) usage ;; - *) error "invalid argument '$arg'"; usage ;; + *) error "invalid argument '%s'" "$arg"; usage ;; esac done shift $(($OPTIND - 1)) @@ -84,7 +84,7 @@ umask 0022 # Sanity check if [[ ! -f "$working_dir/.arch-chroot" ]]; then - die "'%s' does not appear to be a Arch chroot." "$working_dir" + die "'%s' does not appear to be an Arch chroot." "$working_dir" elif [[ $(cat "$working_dir/.arch-chroot") != $CHROOT_VERSION ]]; then die "chroot '%s' is not at version %s. Please rebuild." "$working_dir" "$CHROOT_VERSION" fi @@ -96,8 +96,14 @@ eval $(grep '^CARCH=' "$working_dir/etc/makepkg.conf") machine_name="${working_dir//[![:alnum:]_-]/-}" machine_name="${machine_name#-}" +#HOST_NAME_MAX="$(printf '%s\n' '#include <limits.h>' 'HOST_NAME_MAX'|cpp -|sed -n '$p')" +HOST_NAME_MAX=64 +if [[ ${#machine_name} -gt "$HOST_NAME_MAX" ]]; then + machine_name="${machine_name:(-${HOST_NAME_MAX})}" + machine_name="${machine_name#-}" +fi -exec ${CARCH:+setarch "$CARCH"} systemd-nspawn 2>/dev/null \ +exec ${CARCH:+setarch "$CARCH"} systemd-nspawn \ -D "$working_dir" \ --machine "$machine_name" \ "${mount_args[@]}" \ |