Commit 2c30048a authored by Kaarle Ritvanen's avatar Kaarle Ritvanen

update-kernel: help on usage

parent f9650395
......@@ -20,8 +20,30 @@ SIGNALS="HUP INT TERM"
TMPDIR=
features=
OPTS=$(getopt -l build-dir:,flavor:,feature:,package: -n $SCRIPT -o b:f:F:p: \
-- "$@")
error() {
echo "$SCRIPT: $1" >&2
}
usage() {
[ "$2" ] && error "$2"
local opts="[-F <feature>]... [-p <package>]..."
cat >&2 <<EOF
Syntax: $SCRIPT $opts [<dest_dir>]
$SCRIPT -f <flavor> $opts <dest_dir>
$SCRIPT -b <build_dir> $opts [<dest_dir>]
Options: -b|--build <build_dir> Install custom-built kernel
-f|--flavor <flavor> Install kernel of specified flavor
-F|--feature <feature> Enable initfs feature
-p|--package <package> Additional module or firmware package
EOF
exit $1
}
OPTS=$(getopt -l build-dir:,flavor:,feature:,help,package: -n $SCRIPT \
-o b:f:F:hp: -- "$@") || usage 1
eval set -- "$OPTS"
while :; do
case "$1" in
......@@ -34,6 +56,9 @@ while :; do
-F|--feature)
features="$features $2"
;;
-h|--help)
usage 0
;;
-p|--package)
PACKAGES="$PACKAGES $2"
;;
......@@ -47,16 +72,12 @@ done
DESTDIR=$2
error() {
echo "$1" >&2
exit 1
}
[ "$BUILDDIR" -a "$FLAVOR" ] && \
error "Cannot specify both build directory and flavor"
usage 1 "Cannot specify both build directory and flavor"
if [ -z "$DESTDIR" ]; then
[ "$FLAVOR" ] && error "Cannot specify flavor when updating the current kernel"
[ "$FLAVOR" ] && \
usage 1 "Cannot specify flavor when updating the current kernel"
while read MOUNT; do
set -- $MOUNT
......@@ -66,7 +87,10 @@ if [ -z "$DESTDIR" ]; then
break
done < /proc/mounts
[ "$MNTDIR" ] || error "Module loopback device not mounted"
if [ -z "$MNTDIR" ]; then
error "Module loopback device not mounted"
exit 1
fi
fi
remount() {
......
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