1 files changed, 244 insertions, 0 deletions
diff --git a/poky/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh b/poky/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh
new file mode 100755
index 000000000..35316ec2b
--- /dev/null
+++ b/poky/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh
@@ -0,0 +1,244 @@
+#!/bin/sh
+### BEGIN INIT INFO
+# Provides:             volatile
+# Required-Start:       $local_fs
+# Required-Stop:      $local_fs
+# Default-Start:        S
+# Default-Stop:
+# Short-Description:  Populate the volatile filesystem
+### END INIT INFO
+
+# Get ROOT_DIR
+DIRNAME=`dirname $0`
+ROOT_DIR=`echo $DIRNAME | sed -ne 's:/etc/.*::p'`
+
+[ -e ${ROOT_DIR}/etc/default/rcS ] && . ${ROOT_DIR}/etc/default/rcS
+# When running populate-volatile.sh at rootfs time, disable cache.
+[ -n "$ROOT_DIR" ] && VOLATILE_ENABLE_CACHE=no
+# If rootfs is read-only, disable cache.
+[ "$ROOTFS_READ_ONLY" = "yes" ] && VOLATILE_ENABLE_CACHE=no
+
+CFGDIR="${ROOT_DIR}/etc/default/volatiles"
+TMPROOT="${ROOT_DIR}/var/volatile/tmp"
+COREDEF="00_core"
+
+[ "${VERBOSE}" != "no" ] && echo "Populating volatile Filesystems."
+
+create_file() {
+	EXEC=""
+	[ -z "$2" ] && {
+		EXEC="
+		touch \"$1\";
+		"
+	} || {
+		EXEC="
+		cp \"$2\" \"$1\";
+		"
+	}
+	EXEC="
+	${EXEC}
+	chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1;
+	chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 "
+
+	test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build
+
+	[ -e "$1" ] && {
+		[ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping."
+	} || {
+		if [ -z "$ROOT_DIR" ]; then
+			eval $EXEC
+		else
+			# Creating some files at rootfs time may fail and should fail,
+			# but these failures should not be logged to make sure the do_rootfs
+			# process doesn't fail. This does no harm, as this script will
+			# run on target to set up the correct files and directories.
+			eval $EXEC > /dev/null 2>&1
+		fi
+	}
+}
+
+mk_dir() {
+	EXEC="
+	mkdir -p \"$1\";
+	chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1;
+	chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 "
+
+	test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build
+	[ -e "$1" ] && {
+		[ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping."
+	} || {
+		if [ -z "$ROOT_DIR" ]; then
+			eval $EXEC
+		else
+			# For the same reason with create_file(), failures should
+			# not be logged.
+			eval $EXEC > /dev/null 2>&1
+		fi
+	}
+}
+
+link_file() {
+	EXEC="
+	if [ -L \"$2\" ]; then
+		[ \"\$(readlink -f \"$2\")\" != \"$1\" ] && { rm -f \"$2\"; ln -sf \"$1\" \"$2\"; };
+	elif [ -d \"$2\" ]; then
+		if awk '\$2 == \"$2\" {exit 1}' /proc/mounts; then
+			cp -a $2/* $1 2>/dev/null;
+			cp -a $2/.[!.]* $1 2>/dev/null;
+			rm -rf \"$2\";
+			ln -sf \"$1\" \"$2\";
+		fi
+	else
+		ln -sf \"$1\" \"$2\";
+	fi
+        "
+
+	test "$VOLATILE_ENABLE_CACHE" = yes && echo "	$EXEC" >> /etc/volatile.cache.build
+
+	if [ -z "$ROOT_DIR" ]; then
+		eval $EXEC
+	else
+		# For the same reason with create_file(), failures should
+		# not be logged.
+		eval $EXEC > /dev/null 2>&1
+	fi
+}
+
+check_requirements() {
+	cleanup() {
+		rm "${TMP_INTERMED}"
+		rm "${TMP_DEFINED}"
+		rm "${TMP_COMBINED}"
+	}
+
+	CFGFILE="$1"
+	[ `basename "${CFGFILE}"` = "${COREDEF}" ] && return 0
+
+	TMP_INTERMED="${TMPROOT}/tmp.$$"
+	TMP_DEFINED="${TMPROOT}/tmpdefined.$$"
+	TMP_COMBINED="${TMPROOT}/tmpcombined.$$"
+
+	sed 's@\(^:\)*:.*@\1@' ${ROOT_DIR}/etc/passwd | sort | uniq > "${TMP_DEFINED}"
+	cat ${CFGFILE} | grep -v "^#" | cut -s -d " " -f 2 > "${TMP_INTERMED}"
+	cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}"
+	NR_DEFINED_USERS="`cat "${TMP_DEFINED}" | wc -l`"
+	NR_COMBINED_USERS="`cat "${TMP_COMBINED}" | wc -l`"
+
+	[ "${NR_DEFINED_USERS}" -ne "${NR_COMBINED_USERS}" ] && {
+		echo "Undefined users:"
+		diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>"
+		cleanup
+		return 1
+	}
+
+
+	sed 's@\(^:\)*:.*@\1@' ${ROOT_DIR}/etc/group | sort | uniq > "${TMP_DEFINED}"
+	cat ${CFGFILE} | grep -v "^#" | cut -s -d " " -f 3 > "${TMP_INTERMED}"
+	cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}"
+
+	NR_DEFINED_GROUPS="`cat "${TMP_DEFINED}" | wc -l`"
+	NR_COMBINED_GROUPS="`cat "${TMP_COMBINED}" | wc -l`"
+
+	[ "${NR_DEFINED_GROUPS}" -ne "${NR_COMBINED_GROUPS}" ] && {
+		echo "Undefined groups:"
+		diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>"
+		cleanup
+		return 1
+	}
+
+	# Add checks for required directories here
+
+	cleanup
+	return 0
+}
+
+apply_cfgfile() {
+	CFGFILE="$1"
+
+	check_requirements "${CFGFILE}" || {
+		echo "Skipping ${CFGFILE}"
+		return 1
+	}
+
+	cat ${CFGFILE} | sed 's/#.*//' | \
+	while read TTYPE TUSER TGROUP TMODE TNAME TLTARGET; do
+		test -z "${TLTARGET}" && continue
+		TNAME=${ROOT_DIR}${TNAME}
+		[ "${VERBOSE}" != "no" ] && echo "Checking for -${TNAME}-."
+
+		[ "${TTYPE}" = "l" ] && {
+			TSOURCE="$TLTARGET"
+			[ "${VERBOSE}" != "no" ] && echo "Creating link -${TNAME}- pointing to -${TSOURCE}-."
+			link_file "${TSOURCE}" "${TNAME}"
+			continue
+		}
+
+		[ "${TTYPE}" = "b" ] && {
+			TSOURCE="$TLTARGET"
+			[ "${VERBOSE}" != "no" ] && echo "Creating mount-bind -${TNAME}- from -${TSOURCE}-."
+			mount --bind "${TSOURCE}" "${TNAME}"
+			EXEC="
+	mount --bind \"${TSOURCE}\" \"${TNAME}\""
+			test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build
+			continue
+		}
+
+		[ -L "${TNAME}" ] && {
+			[ "${VERBOSE}" != "no" ] && echo "Found link."
+			NEWNAME=`ls -l "${TNAME}" | sed -e 's/^.*-> \(.*\)$/\1/'`
+			echo ${NEWNAME} | grep -v "^/" >/dev/null && {
+				TNAME="`echo ${TNAME} | sed -e 's@\(.*\)/.*@\1@'`/${NEWNAME}"
+				[ "${VERBOSE}" != "no" ] && echo "Converted relative linktarget to absolute path -${TNAME}-."
+			} || {
+				TNAME="${NEWNAME}"
+				[ "${VERBOSE}" != "no" ] && echo "Using absolute link target -${TNAME}-."
+			}
+		}
+
+		case "${TTYPE}" in
+			"f")  [ "${VERBOSE}" != "no" ] && echo "Creating file -${TNAME}-."
+				TSOURCE="$TLTARGET"
+				[ "${TSOURCE}" = "none" ] && TSOURCE=""
+				create_file "${TNAME}" "${TSOURCE}" &
+				;;
+			"d")  [ "${VERBOSE}" != "no" ] && echo "Creating directory -${TNAME}-."
+				mk_dir "${TNAME}"
+				# Add check to see if there's an entry in fstab to mount.
+				;;
+			*)    [ "${VERBOSE}" != "no" ] && echo "Invalid type -${TTYPE}-."
+				continue
+				;;
+		esac
+	done
+	return 0
+}
+
+clearcache=0
+exec 9</proc/cmdline
+while read line <&9
+do
+	case "$line" in
+		*clearcache*)  clearcache=1
+			       ;;
+		*)	       continue
+			       ;;
+	esac
+done
+exec 9>&-
+
+if test -e ${ROOT_DIR}/etc/volatile.cache -a "$VOLATILE_ENABLE_CACHE" = "yes" -a "x$1" != "xupdate" -a "x$clearcache" = "x0"
+then
+	sh ${ROOT_DIR}/etc/volatile.cache
+else
+	rm -f ${ROOT_DIR}/etc/volatile.cache ${ROOT_DIR}/etc/volatile.cache.build
+	for file in `ls -1 "${CFGDIR}" | sort`; do
+		apply_cfgfile "${CFGDIR}/${file}"
+	done
+
+	[ -e ${ROOT_DIR}/etc/volatile.cache.build ] && sync && mv ${ROOT_DIR}/etc/volatile.cache.build ${ROOT_DIR}/etc/volatile.cache
+fi
+
+if [ -z "${ROOT_DIR}" ] && [ -f /etc/ld.so.cache ] && [ ! -f /var/run/ld.so.cache ]
+then
+	ln -s /etc/ld.so.cache /var/run/ld.so.cache
+fi