From c527fd1f14c27855a37f2e8ac5346ce8d940ced2 Mon Sep 17 00:00:00 2001 From: Tudor Florea Date: Thu, 16 Oct 2014 03:05:19 +0200 Subject: initial commit for Enea Linux 4.0-140929 Migrated from the internal git server on the daisy-enea-point-release branch Signed-off-by: Tudor Florea --- .../initscripts-1.0/populate-volatile.sh | 220 +++++++++++++++++++++ 1 file changed, 220 insertions(+) create mode 100755 meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh (limited to 'meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh') diff --git a/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh b/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh new file mode 100755 index 0000000000..6ffe1f2171 --- /dev/null +++ b/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh @@ -0,0 +1,220 @@ +#!/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=" + touch \"$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 + # 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\")\" != \"\$(readlink -f \"$1\")\" ] && { rm -f \"$2\"; ln -sf \"$1\" \"$2\"; }; + elif [ -d \"$2\" ]; then + cp -a $2/* $1 2>/dev/null; + cp -a $2/.[!.]* $1 2>/dev/null; + rm -rf \"$2\"; + ln -sf \"$1\" \"$2\"; + 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.$$" + + cat ${ROOT_DIR}/etc/passwd | sed 's@\(^:\)*:.*@\1@' | 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 + } + + + cat ${ROOT_DIR}/etc/group | sed 's@\(^:\)*:.*@\1@' | 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 ${CFGFILE} | grep -v "^#" | \ + while read LINE; do + eval `echo "$LINE" | sed -n "s/\(.*\)\ \(.*\) \(.*\)\ \(.*\)\ \(.*\)\ \(.*\)/TTYPE=\1 ; TUSER=\2; TGROUP=\3; TMODE=\4; TNAME=\5 TLTARGET=\6/p"` + 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}" "${TNAME}" + continue + } + + [ -L "${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 -${TNAME}-." + create_file "${TNAME}" & + ;; + "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&- + +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 -- cgit v1.2.3-54-g00ecf