diskimage-builder/lib/ramdisk-functions

142 lines
3.4 KiB
Text

function fullpath() {
local f=$1
if [ "${f#/}" = "$f" ]; then
echo `pwd`/"$f"
else
echo "$f"
fi
}
function cleanup () {
rm -rf "$TMP_BUILD_DIR"
}
function ensure_binaries() {
BINARY_DEPS="${BUSYBOX}"
for _FLVR in ${RAMDISK_FLAVOUR} ; do
_FILE="${FLAVOURS_DIR}/${_FLVR}/binary-deps"
if [ -a $_FILE ]; then
for _LINE in $(cat $_FILE) ; do
BINARY_DEPS="${BINARY_DEPS} $_LINE"
done
fi
done
for _BIN in $BINARY_DEPS ; do
_LOCATION=""
_LOCATION="${_LOCATION:-$(which $_BIN)}"
if [ -z "$_LOCATION" ]; then
echo "$_BIN is not found in your PATH" 1>&2
echo "Please install it on your system"
exit 1
fi
done
export BINARY_DEPS
}
function create_base () {
echo "Creating base system"
mkdir -p "$TMP_MOUNT_PATH/bin"
ln -s bin "$TMP_MOUNT_PATH/sbin"
mkdir -p "$TMP_MOUNT_PATH/lib"
ln -s lib "$TMP_MOUNT_PATH/lib64"
mkdir -p "$TMP_MOUNT_PATH/lib/modules"
mkdir -p "$TMP_MOUNT_PATH/etc"
mkdir -p "$TMP_MOUNT_PATH/etc/udev"
cp -a "$LIB_UDEV" "$TMP_MOUNT_PATH/lib/udev"
mkdir -p "$TMP_MOUNT_PATH/etc/modprobe.d"
echo "blacklist evbug" > "$TMP_MOUNT_PATH/etc/modprobe.d/blacklist.conf"
mkdir -p "$TMP_MOUNT_PATH/etc/udev"
cat >"$TMP_MOUNT_PATH/etc/udev/udev.conf" <<EOF
udev_root="/dev"
udev_rules="/lib/udev/rules.d"
udev_log="no"
EOF
}
function populate_lib () {
echo "Populating /lib"
libs=
for i in "$BUSYBOX" bash modprobe udevd udevadm wget tgtd tgtadm reboot shutdown $BINARY_DEPS ; do
if "$BUSYBOX" --list | grep "^$i\$" >/dev/null; then
continue
fi
path=`which $i 2>/dev/null` || path=$i
if ! [ -x "$path" ]; then
echo "$i is not found in PATH" 2>&1
exit 1
fi
cp -L "$path" "$TMP_MOUNT_PATH/bin/"
if l=`ldd "$path"`; then
l=$( echo "$l" | grep '/' | tr "\t" " " )
l=$( echo "$l" | sed 's/^.* => \([^ ]*\).*$/\1/' )
l=$( echo "$l" | sed 's/^ *\([^ ]*\) *(0x[0-9a-f]*)/\1/' )
l=$( echo "$l" | tr " " "\n" )
libs=$( printf "%s\n%s\n" "$l" "$libs" | sort | uniq )
fi
done
cp $libs "$TMP_MOUNT_PATH/lib/"
cp -a "$MODULE_DIR" "$TMP_MOUNT_PATH/lib/modules/$KERNEL_VERSION"
cp -a "$FIRMWARE_DIR" "$TMP_MOUNT_PATH/lib/firmware"
}
function populate_busybox () {
echo "Creating symlinks for busybox binaries"
for i in $( "$BUSYBOX" --list ); do
if [ -f "$TMP_MOUNT_PATH/bin/$i" ]; then
echo "skip $i"
continue
fi
ln -s busybox "$TMP_MOUNT_PATH/bin/$i"
done
}
function populate_init () {
echo "Installing init"
cp "$INIT" "$TMP_MOUNT_PATH/init"
chmod +x $TMP_MOUNT_PATH/init
for F in "$FUNCTIONS_D"/* ; do
cp "$F" "$TMP_MOUNT_PATH"
done
# Append /init with any flavour fragments that are present
for _FLVR in ${RAMDISK_FLAVOUR} ; do
_FILE="${FLAVOURS_DIR}/${_FLVR}/init"
if [ -a $_FILE ]; then
cat >>$TMP_MOUNT_PATH/init <<EOF
# init fragment from ${_FLVR}
EOF
cat <$_FILE >>$TMP_MOUNT_PATH/init
fi
done
# Add our final steps to /init
cat <${INIT}-end >>$TMP_MOUNT_PATH/init
}
function finalise_image () {
echo "Finalising image"
(cd "$TMP_MOUNT_PATH"; find . | cpio -o -H newc | gzip > "$TMP_IMAGE_PATH" )
}
function populate_udev () {
echo "Installing udev rules"
for _FLVR in ${RAMDISK_FLAVOUR} ; do
_DIR="${FLAVOURS_DIR}/${_FLVR}/udev"
if [ -d $_DIR ]; then
find $_DIR -type f -exec cp -v {} $TMP_MOUNT_PATH/lib/udev/rules.d/ \;
fi
done
}