diff options
| -rw-r--r-- | src/kernel-install/kernel-install | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/kernel-install/kernel-install b/src/kernel-install/kernel-install index 9d3e75db08..f5ff3622a4 100644 --- a/src/kernel-install/kernel-install +++ b/src/kernel-install/kernel-install @@ -21,9 +21,9 @@ usage() { - echo "Usage:" >&2 - echo " $0 add <kernel-version> <kernel-image>" >&2 - echo " $0 remove <kernel-version> <kernel-image>" >&2 + echo "Usage:" + echo " $0 add KERNEL-VERSION KERNEL-IMAGE" + echo " $0 remove KERNEL-VERSION KERNEL-IMAGE" } dropindirs_sort() @@ -54,6 +54,13 @@ dropindirs_sort() export LC_COLLATE=C +for i in "$@"; do + if [ "$i" == "--help" -o "$i" == "-h" ]; then + usage + exit 0 + fi +done + if [[ "${0##*/}" == 'installkernel' ]]; then COMMAND='add' else @@ -75,7 +82,7 @@ if ! [[ $MACHINE_ID ]]; then fi if [[ ! $COMMAND ]] || [[ ! $KERNEL_VERSION ]]; then - usage + echo "Not enough arguments" >&2 exit 1 fi @@ -90,8 +97,8 @@ readarray -t PLUGINS < <( case $COMMAND in add) - if [[ ! $KERNEL_IMAGE ]]; then - usage + if [[ ! "$KERNEL_IMAGE" ]]; then + echo "Command 'add' requires an argument" >&2 exit 1 fi @@ -121,7 +128,7 @@ case $COMMAND in ;; *) - usage + echo "Unknown command '$COMMAND'" >&2 exit 1 ;; esac |