diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/kernel-install/kernel-install | 137 |
1 files changed, 75 insertions, 62 deletions
diff --git a/src/kernel-install/kernel-install b/src/kernel-install/kernel-install index 9f3a523218..be4a8e274d 100644 --- a/src/kernel-install/kernel-install +++ b/src/kernel-install/kernel-install @@ -19,23 +19,62 @@ # You should have received a copy of the GNU Lesser General Public License # along with systemd; If not, see <http://www.gnu.org/licenses/>. +usage() +{ + echo "Usage:" >&2 + echo " $0 add <kernel-version> <kernel-image>" >&2 + echo " $0 remove <kernel-version> <kernel-image>" >&2 +} + +dropindirs_sort() +{ + local suffix=$1; shift + local -a files + local f d i + + readarray -t files < <( + for d in "$@"; do + for i in "$d/"*"$suffix"; do + if [[ -e "$i" ]]; then + echo "${i##*/}" + fi + done + done | sort -Vu + ) + + for f in "${files[@]}"; do + for d in "$@"; do + if [[ -e "$d/$f" ]]; then + echo "$d/$f" + continue 2 + fi + done + done +} + export LC_COLLATE=C COMMAND="$1" KERNEL_VERSION="$2" KERNEL_IMAGE="$3" -[[ -f /etc/os-release ]] && . /etc/os-release +if [[ -f /etc/os-release ]]; then + . /etc/os-release +fi + if ! [[ $ID ]]; then - echo "Can't determine the name of your distribution. Please create /etc/os-release." >&2 - echo "See man:os-release(5)" >&2 + echo "Could not determine the distribution name from /etc/os-release." >&2 + echo "Please specify ID=... in /etc/os-release. See man:os-release(5)" >&2 exit 1 fi -[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id +if [[ -f /etc/machine-id ]]; then + read MACHINE_ID < /etc/machine-id +fi + if ! [[ $MACHINE_ID ]]; then - echo "Can't determine your machine id. Please create /etc/machine-id!" >&2 - echo "See man:machine-id(5)" >&2 + echo "Could not determine your machine ID from /etc/machine-id." >&2 + echo "Please run 'systemd-machine-id-setup' as root. See man:machine-id(5)" >&2 exit 1 fi @@ -43,97 +82,71 @@ if [[ -f /etc/kernel/cmdline ]]; then readarray -t BOOT_OPTIONS < /etc/kernel/cmdline fi -if ! [[ "${BOOT_OPTIONS[@]}" ]]; then +if ! [[ ${BOOT_OPTIONS[*]} ]]; then readarray -t BOOT_OPTIONS < /proc/cmdline fi if ! [[ $BOOT_OPTIONS ]]; then - echo "Can't determine the kernel command line parameters." >&2 + echo "Could not determine the kernel command line parameters." >&2 echo "Please specify the kernel command line in /etc/kernel/cmdline!" >&2 exit 1 fi -usage() -{ - { - echo "Usage:" - echo " $0 add <kernel-version> <kernel-image>" - echo " $0 remove <kernel-version> <kernel-image>" - } >&2 -} - -if ! ( [[ $COMMAND ]] && [[ $KERNEL_VERSION ]] ); then +if [[ ! $COMMAND ]] || [[ ! $KERNEL_VERSION ]]; then usage exit 1 fi -BOOT_DIR="/${MACHINE_ID}/${KERNEL_VERSION}" -BOOT_DIR_ABS="/boot${BOOT_DIR}" -LOADER_ENTRY="/boot/loader/entries/${MACHINE_ID}-${KERNEL_VERSION}.conf" +BOOT_DIR="/$MACHINE_ID/$KERNEL_VERSION" +BOOT_DIR_ABS="/boot$BOOT_DIR" +LOADER_ENTRY="/boot/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf" ret=0 -dropindirs_sort() -{ - suffix=$1; shift - readarray -t files< <( - for d in "$@"; do - for i in "${d}/"*${suffix}; do - [[ -e $i ]] && echo ${i##*/} - done - done | sort -Vu - ) - - for f in "${files[@]}"; do - for d in "$@"; do - if [[ -e "$d/$f" ]]; then - echo "$d/$f" - continue 2 - fi - done - done -} - readarray -t PLUGINS < <( dropindirs_sort ".install" \ "/etc/kernel/install.d" \ "/usr/lib/kernel/install.d" ) -case "$COMMAND" in +case $COMMAND in add) - if [[ -z $KERNEL_IMAGE ]]; then + if [[ ! $KERNEL_IMAGE ]]; then usage exit 1 fi - mkdir -p "$BOOT_DIR_ABS" || exit 1 + + mkdir -p "$BOOT_DIR_ABS" || { + echo "Could not create boot directory '$BOOT_DIR_ABS'." >&2 + exit 1 + } for f in "${PLUGINS[@]}"; do [[ -x $f ]] && "$f" add "$KERNEL_VERSION" "$BOOT_DIR_ABS" ((ret+=$?)) done - if ! cp --preserve "$KERNEL_IMAGE" "$BOOT_DIR_ABS"/linux; then - echo "Can't copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/linux'!" >&2 - fi + cp --preserve "$KERNEL_IMAGE" "$BOOT_DIR_ABS/linux" || { + echo "Could not copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/linux'." >&2 + exit 1 + } - [[ -d /boot/loader/entries ]] || mkdir -p /boot/loader/entries + mkdir -p "${LOADER_ENTRY%/*}" || { + echo "Could not create loader entry directory '${LOADER_ENTRY%/*}'." >&2 + exit 1 + } { echo "title $PRETTY_NAME" echo "version $KERNEL_VERSION" echo "machine-id $MACHINE_ID" - echo "options ${BOOT_OPTIONS[@]}" + echo "options ${BOOT_OPTIONS[*]}" echo "linux $BOOT_DIR/linux" - [[ -f "${BOOT_DIR_ABS}"/initrd ]] && \ + [[ -f $BOOT_DIR_ABS/initrd ]] && \ echo "initrd $BOOT_DIR/initrd" - : - } > $LOADER_ENTRY - - ((ret+=$?)) - - if ! [[ -f $LOADER_ENTRY ]]; then - echo "Could not create '$LOADER_ENTRY'!" >&2 - fi + } > "$LOADER_ENTRY" || { + echo "Could not create loader entry '$LOADER_ENTRY'." >&2 + exit 1 + } ;; remove) @@ -142,13 +155,13 @@ case "$COMMAND" in ((ret+=$?)) done - rm -fr "$BOOT_DIR_ABS" - rm -f "$LOADER_ENTRY" + rm -rf "$LOADER_ENTRY" "$BOOT_DIR_ABS" ;; *) usage - ret=1;; + exit 1 + ;; esac ((ret+=$?)) |