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UTILS_STANDARD_OUTPUT=/dev/null
UTILS_ERROR_OUTPUT=/dev/null
UTILS_VERBOSE=false
function utils_log() {
# Handles logging messages. Returns non zero and exit on log level
# error to support chaining the message into toolchain.
#
# Examples:
#
# >>> build_initramfs_log
# info: test
# >>> build_initramfs_log debug message
# debug: message
# >>> build_initramfs_log info message '\n'
#
# info: message
local loggingType='info' && \
local message="$1" && \
if [ "$2" ]; then
loggingType="$1"
message="$2"
fi
if [ "$UTILS_VERBOSE" == 'yes' ] || [ "$loggingType" == 'error' ] || \
[ "$loggingType" == 'critical' ]; then
if [ "$3" ]; then
echo -e -n "$3"
fi
echo -e "${loggingType}: $message"
fi
if [ "$loggingType" == 'error' ]; then
exit 1
fi
return 0
}
function utils_compile_nbd() {
# Downloads and compiles nbd.
#
# Examples:
#
# >>> build_initramfs_compile_nbd path/to/nbd/directory/
# ...
# Provides the following file:
# "$1/nbd.ko"
pushd "$1" 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT" && \
utils_log 'Compile the nbd kernel module.' && \
make 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT" && \
popd 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT"
return $?
# TODO make clean
}
function utils_compile_dnbd3() {
# Downloads and compiles dnbd3.
#
# Examples:
#
# >>> build_initramfs_compile_dnbd3 path/to/dnbd3/directory/
# ...
# Provides the following file:
# "$1/build/dnbd3.ko"
pushd "$1/.." 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT" && \
rm --recursive --force "$1" 1>"$UTILS_STANDARD_OUTPUT" \
2>"$UTILS_ERROR_OUTPUT" && \
git clone git://git.openslx.org/dnbd3.git \
1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT" && \
cd dnbd3 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT" && \
./build.sh 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT" && \
popd 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT"
return $?
# TODO rm -rf build
}
function utils_compile_systemd_preserve_process_marker() {
# Compiles simple c program.
#
# Examples:
#
# >>> utils_compile_systemd_preserve_process_marker path/to/program/folder
pushd "$1" 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT" && \
make 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT" && \
popd 1>"$UTILS_STANDARD_OUTPUT" 2>"$UTILS_ERROR_OUTPUT"
return $?
}
function utils_dependency_check() {
# This function check if all given dependencies are present.
#
# Examples:
#
# >>> utils_dependency_check "mkdir pacstrap mktemp"
# ...
local dependenciesToCheck="$1" && \
local result=0 && \
local dependency && \
for dependency in ${dependenciesToCheck[*]}; do
if ! hash "$dependency" 1>"$_STANDARD_OUTPUT" 2>/dev/null; then
build_initramfs_log 'critical' \
"Needed dependency \"$dependency\" isn't available." && \
result=1
fi
done
return $result
}
function utils_create_partition_via_offset() {
local device="$1"
local nameOrUUID="$2"
local loopDevice=$(losetup -f)
local sectorSize=$(blockdev --getbsz $device)
local partitionInfo=$(partx --raw --noheadings --output START,NAME,UUID \
$device 2>/dev/null| grep $nameOrUUID)
local offsetSectors=$(echo $partitionInfo | cut -d' ' -f1)
if [ -z "$offsetSectors" ]; then
warn "could not find partition with label/uuid '$nameOrUUID' on device $device"
return 1
fi
#warn $(($offsetSectors*512)) # could overflow on 32bit systems
local offsetBytes=$(echo | awk -v x=$offsetSectors -v y=$sectorSize '{print x * y}')
# test if mount works directly (problem with btrfs device id)
#mount -v -o loop,offset=$offsetBytes $device $mountPoint
losetup -v -o $offsetBytes $loopDevice $device
echo $loopDevice
}
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