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mkimage: guess platform automatically, add new options to set fstype and boot fssize.

This commit is contained in:
Juan RP 2014-01-28 17:04:15 +01:00
parent 531d38dc73
commit 20f2340387
1 changed files with 34 additions and 24 deletions
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58
mkimage.sh.in
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@ -50,30 +50,38 @@ die() {
} }
usage() { usage() {
echo "Usage: $PROGNAME [-b fstype] [-o filename] [-r fstype] [-hV] <rootfs-tarball> [size]" cat <<_EOF
echo Usage: $PROGNAME [options] <rootfs-tarball>
echo " The <rootfs-tarball> argument expects a file generated by void-mkrootfs."
echo " The <size> argument expects a number (GB). If <size> is not set, defaults to 2." The <rootfs-tarball> argument expects a tarball generated by void-mkrootfs.
echo The platform is guessed automatically by its name.
echo "OPTIONS"
echo " -b <fstype> Set /boot <fstype> (defaults to FAT, 32MB)" Accepted sizes suffixes: K, M, G, T, E.
echo " -o <filename> Set output <filename>."
echo " -r <fstype> Set / <fstype> (defaults to ext4, 32MB - <size>)" OPTIONS
echo " -p <platform> Set platform type: cubieboard2, rpi, odroid-u2" -b <fstype> Set /boot filesystem type (defaults to FAT)
echo -B <bsize> Set /boot filesystem size (defaults to 64MB)
echo " Resulting image will have 2 partitions, /boot and / of total <size>." -r <fstype> Set / filesystem type (defaults to EXT4)
-s <totalsize> Set total image size (defaults to 2GB)
-o <output> Set image filename (guessed automatically)
-h Show this help
-V Show version
Resulting image will have 2 partitions, /boot and /.
_EOF
exit 0 exit 0
} }
# #
# main() # main()
# #
while getopts "b:o:r:p:hV" opt; do while getopts "b:B:o:r:s:hV" opt; do
case $opt in case $opt in
b) BOOT_FSTYPE="$OPTARG";; b) BOOT_FSTYPE="$OPTARG";;
B) BOOT_FSSIZE="$OPTARG";;
o) FILENAME="$OPTARG";; o) FILENAME="$OPTARG";;
r) ROOT_FSTYPE="$OPTARG";; r) ROOT_FSTYPE="$OPTARG";;
p) PLATFORM="$OPTARG";; s) IMGSIZE="$OPTARG";;
V) echo "$PROGNAME @@MKLIVE_VERSION@@"; exit 0;; V) echo "$PROGNAME @@MKLIVE_VERSION@@"; exit 0;;
h) usage;; h) usage;;
esac esac
@ -87,6 +95,9 @@ elif [ ! -r "$ROOTFS_TARBALL" ]; then
die "Cannot read rootfs tarball: $ROOTFS_TARBALL" die "Cannot read rootfs tarball: $ROOTFS_TARBALL"
fi fi
PLATFORM="${ROOTFS_TARBALL#void-}"
PLATFORM="${PLATFORM%-rootfs*}"
if [ "$(id -u)" -ne 0 ]; then if [ "$(id -u)" -ne 0 ]; then
die "need root perms to continue, exiting." die "need root perms to continue, exiting."
fi fi
@ -98,19 +109,18 @@ else
IMGSIZE="${2}G" IMGSIZE="${2}G"
fi fi
if [ -z "$BOOT_FSTYPE" ]; then : ${BOOT_FSTYPE:=vfat}
BOOT_FSTYPE="vfat" : ${BOOT_FSSIZE:=64M}
fi : ${ROOT_FSTYPE:=ext4}
if [ -z "$ROOT_FSTYPE" ]; then
ROOT_FSTYPE="ext4"
fi
if [ -z "$FILENAME" ]; then if [ -z "$FILENAME" ]; then
FILENAME="void-image-$(date +%Y%m%d).img" FILENAME="void-${PLATFORM}-$(date +%Y%m%d).img"
fi fi
# double check PLATFORM is supported...
case "$PLATFORM" in case "$PLATFORM" in
cubieboard2|odroid-u2|rpi);; cubieboard2|odroid-u2|rpi);;
*) die "Unknown platform or platform unset, set it with -p!" *) die "The $PLATFORM is not supported, exiting..."
esac esac
for f in parted partx losetup mount mkfs.${BOOT_FSTYPE} mkfs.${ROOT_FSTYPE}; do for f in parted partx losetup mount mkfs.${BOOT_FSTYPE} mkfs.${ROOT_FSTYPE}; do
@ -135,8 +145,8 @@ if [ "$BOOT_FSTYPE" = "vfat" ]; then
_btype="fat32" _btype="fat32"
_args="-I" _args="-I"
fi fi
parted $FILENAME mkpart primary ${_btype} 4096s 64M parted $FILENAME mkpart primary ${_btype} 4096s ${BOOT_FSSIZE}
parted $FILENAME mkpart primary ext2 64M 100% parted $FILENAME mkpart primary ext2 ${BOOT_FSSIZE} 100%
parted $FILENAME toggle 1 boot parted $FILENAME toggle 1 boot
LOOPDEV=$(losetup --show --find $FILENAME) LOOPDEV=$(losetup --show --find $FILENAME)
partx -a $LOOPDEV partx -a $LOOPDEV