diff options
Diffstat (limited to 'update-kernel.in')
| -rw-r--r-- | update-kernel.in | 71 |
1 files changed, 52 insertions, 19 deletions
diff --git a/update-kernel.in b/update-kernel.in index 3a3b4a7..35a9375 100644 --- a/update-kernel.in +++ b/update-kernel.in @@ -9,16 +9,47 @@ # Copyright (c) 2014 Kaarle Ritvanen -TMPDIR= -SIGNALS="HUP INT TERM" SCRIPT=update-kernel VIRTUAL=.tmp-$SCRIPT - -DESTDIR=$1 +FLAVOR= MNTDIR= +PACKAGES= +SIGNALS="HUP INT TERM" +TMPDIR= +features= + +OPTS=$(getopt -l flavor:,feature:,package: -n $SCRIPT -o f:F:p: -- "$@") +eval set -- "$OPTS" +while :; do + case "$1" in + -f|--flavor) + FLAVOR=$2 + ;; + -F|--feature) + features="$features $2" + ;; + -p|--package) + PACKAGES="$PACKAGES $2" + ;; + --) + break + ;; + esac + shift 2 +done + +DESTDIR=$2 + + +error() { + echo "$1" >&2 + exit 1 +} if [ -z "$DESTDIR" ]; then + [ "$FLAVOR" ] && error "Cannot specify flavor when updating the current kernel" + while read MOUNT; do set -- $MOUNT [ $2 = /.modloop ] || continue @@ -27,10 +58,7 @@ if [ -z "$DESTDIR" ]; then break done < /proc/mounts - if [ -z "$MNTDIR" ]; then - echo "Module loopback device not mounted" >&2 - exit 1 - fi + [ "$MNTDIR" ] || error "Module loopback device not mounted" fi remount() { @@ -55,13 +83,13 @@ trap clean_up EXIT $SIGNALS apk add -qU -t $VIRTUAL mkinitfs squashfs-tools -. /etc/mkinitfs/mkinitfs.conf +if [ -z "$features" ]; then + . /etc/mkinitfs/mkinitfs.conf +fi -FLAVOR=$(uname -r | cut -d - -f 3-) -KVER_FLAVOR=-$FLAVOR if [ -z "$FLAVOR" ]; then - FLAVOR=vanilla - KVER_FLAVOR= + FLAVOR=$(uname -r | cut -d - -f 3-) + [ "$FLAVOR" ] || FLAVOR=vanilla fi TMPDIR=$(mktemp -dt $SCRIPT.XXXXXX) @@ -85,13 +113,17 @@ extra_pkgs() { fi } -add_pkgs -U --initdb alpine-base linux-$FLAVOR linux-firmware -extra_pkgs dahdi-linux-$FLAVOR dahdi-linux -extra_pkgs xtables-addons-$FLAVOR +add_pkgs -U --initdb alpine-base "linux-$FLAVOR" linux-firmware $PACKAGES +if [ -z "$PACKAGES" ]; then + extra_pkgs "dahdi-linux-$FLAVOR" dahdi-linux + extra_pkgs "xtables-addons-$FLAVOR" +fi -KVER=$(ls "$ROOT/lib/modules") -depmod -b "$ROOT" $KVER +KVER_FLAVOR= +[ "$FLAVOR" = vanilla ] || KVER_FLAVOR=-$FLAVOR +KVER=$(basename $(ls -d "$ROOT"/lib/modules/*"$KVER_FLAVOR")) +depmod -b "$ROOT" "$KVER" STAGING=$TMPDIR/boot @@ -103,7 +135,8 @@ cp -a "$ROOT/lib/modules" "$MODLOOP" cp -a "$ROOT/lib/firmware" "$MODLOOP/modules" mksquashfs "$MODLOOP" "$STAGING/$MODIMG" -comp xz -mkinitfs -q -F "$features squashfs" -b "$ROOT" -o "$STAGING/$FLAVOR.gz" $KVER +mkinitfs -q -b "$ROOT" -F "$features base squashfs" -o "$STAGING/$FLAVOR.gz" \ + "$KVER" cp "$ROOT/boot/vmlinuz$KVER_FLAVOR" "$STAGING/$FLAVOR" |