diff options
| -rw-r--r-- | setup-bootable.in | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/setup-bootable.in b/setup-bootable.in index b3f6c25..839a01d 100644 --- a/setup-bootable.in +++ b/setup-bootable.in @@ -1,6 +1,7 @@ #!/bin/sh prog=${0##*/} +version=@VERSION@ cleanup() { if [ -n "$uninstalls" ]; then @@ -17,47 +18,46 @@ die() { exit 1 } -# get alpine dev from boot cmdline -get_alpine_dev() { - -} - usage() { cat <<__EOF__ +$prog $version usage: $prog [-hu] SOURCE [DEST] Copy the contents of SOURCE to DEST and make DEST bootable. SOURCE can be a directory or a ISO image. DEST can be a mounted directory -or a device. If DEST is ommitted it will be autodetected. +or a device. If DEST is ommitted /media/usb will be used. Options: - -d Delete existing files first. Unsafe. - -f Force overwriting of existing syslinux.cfg - -h Show this help - -s Run syslinux and install mbr.bin to make it bootable + -f Force overwrite existing files. Will overwrite syslinux.cfg if upgrade. + -h Show this help. + -u Upgrade mode. Keep existing syslinux.cfg and don't run syslinux. + -s Force run syslinux, even if upgrade mode. -v Verbose mode. Display whats going on. __EOF__ exit 1 } -while getopts "ih" opt; do +while getopts "fhusv" opt; do case "$opt" in - -d) delete_first=1;; -f) force=1;; -h) usage;; + -u) upgrade=1;; -s) syslinux=1;; -v) verbose=1;; esac done +shift $(($OPTIND - 1)) -src=${1:-/media/cdrom} +src=${1} dest=${2:-/media/usb} srcmnt=${MNT:-/mnt} +[ -z "$src" ] && usage + # Find the srcdir, mount loopback if needed if [ -f "$src"/.alpine-release ]; then srcdir="$src" @@ -68,10 +68,7 @@ else [ -n "$verbose" ] && echo "Using image $src as source" umounts="$srcmnt" srcdir="$srcmnt" - if ! [ -f "$srcdir"/.alpine-release ]; then - echo "Warning! No .alpine-release found on image $src" - [ -z "$force" ] && die "Aborting." - fi + [ -f "$srcdir"/.alpine-release ] || die "No .alpine-release found on image $src" fi # find target device @@ -89,6 +86,13 @@ elif [ -b "$dest" ]; then [ -n "$vserbose" ] && echo "Using $dest (mounted on $destdir) as target" fi +# check if this files exist and not in upgrade mode +if [ -z "$upgrade" ] && [ -z "$force" ]; then + for i in boot apks syslinux.cfg .alpine-release; do + [ -e "$destdir"/$i ] && die "$destdir/$i already exists. Aborting" + done +fi + # remove partial upgrades if any. rm -rf "$destdir"/.new "$destdir"/.old |