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This is an updated patch to the last patch to do this which fixes a

Browse Source 
local variable issue. This patch decompresses compressed images to the
stdout when writing to a device to avoid running out of space issues.

Submitted by: John Hixson
Pr: 151049
This commit is contained in:
imp 2010-10-21 17:20:37 +00:00
parent 32ef4e45e3
commit 53eaae898f
1 changed files with 44 additions and 60 deletions
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104
usr.sbin/pc-sysinstall/backend/functions.sh
View File

@ -325,64 +325,8 @@ get_compression_type()
export VAL
}
decompress_file()
{
local FILE
local COMPRESSION
FILE="$1"
COMPRESSION="$2"
if [ -n "${COMPRESSION}" ]
then
case "${COMPRESSION}" in
lzw)
rc_halt "uncompress ${FILE}"
VAL="${FILE%.Z}"
;;
lzo)
rc_halt "lzop -d ${FILE}"
VAL="${FILE%.lzo}"
;;
lzma)
rc_halt "lzma -d ${FILE}"
VAL="${FILE%.lzma}"
;;
gzip)
rc_halt "gunzip ${FILE}"
VAL="${FILE%.gz}"
;;
bzip2)
rc_halt "bunzip2 ${FILE}"
VAL="${FILE%.bz2}"
;;
xz)
rc_halt "xz -d ${FILE}"
VAL="${FILE%.xz}"
;;
zip)
rc_halt "unzip ${FILE}"
VAL="${FILE%.zip}"
;;
*)
exit_err "ERROR: ${COMPRESSION} compression is not supported"
;;
esac
fi
export VAL
}
write_image()
{
local IMAGE_FILE
local DEVICE_FILE
IMAGE_FILE="$1"
@ -418,11 +362,51 @@ write_image()
get_compression_type "${IMAGE_FILE}"
COMPRESSION="${VAL}"
decompress_file "${IMAGE_FILE}" "${COMPRESSION}"
IMAGE_FILE="${VAL}"
fi
case "${COMPRESSION}" in
lzw)
rc_halt "uncompress ${IMAGE_FILE} -c | dd of=${DEVICE_FILE} bs=128k"
IMAGE_FILE="${IMAGE_FILE%.Z}"
;;
rc_halt "dd if=${IMAGE_FILE} of=${DEVICE_FILE} bs=128k"
lzo)
rc_halt "lzop -d $IMAGE_{FILE} -c | dd of=${DEVICE_FILE} bs=128k"
IMAGE_FILE="${IMAGE_FILE%.lzo}"
;;
lzma)
rc_halt "lzma -d ${IMAGE_FILE} -c | dd of=${DEVICE_FILE} bs=128k"
IMAGE_FILE="${IMAGE_FILE%.lzma}"
;;
gzip)
rc_halt "gunzip ${IMAGE_FILE} -c | dd of=${DEVICE_FILE} bs=128k"
IMAGE_FILE="${IMAGE_FILE%.gz}"
;;
bzip2)
rc_halt "bunzip2 ${IMAGE_FILE} -c | dd of=${DEVICE_FILE} bs=128k"
IMAGE_FILE="${IMAGE_FILE%.bz2}"
;;
xz)
rc_halt "xz -d ${IMAGE_FILE} -c | dd of=${DEVICE_FILE} bs=128k"
IMAGE_FILE="${IMAGE_FILE%.xz}"
;;
zip)
rc_halt "unzip ${IMAGE_FILE} -c | dd of=${DEVICE_FILE} bs=128k"
IMAGE_FILE="${IMAGE_FILE%.zip}"
;;
*)
exit_err "ERROR: ${COMPRESSION} compression is not supported"
;;
esac
else
rc_halt "dd if=${IMAGE_FILE} of=${DEVICE_FILE} bs=128k"
fi
};
install_fresh()