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-rwxr-xr-xmeta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh197
1 files changed, 197 insertions, 0 deletions
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 0000000..1813fd1
--- /dev/null
+++ b/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh
@@ -0,0 +1,197 @@
+#!/bin/sh
+### BEGIN INIT INFO
+# Provides: volatile
+# Required-Start: $local_fs
+# Required-Stop: $local_fs
+# Default-Start: S
+# Default-Stop:
+# Short-Description: Populate the volatile filesystem
+### END INIT INFO
+
+. /etc/default/rcS
+
+CFGDIR="/etc/default/volatiles"
+TMPROOT="/var/tmp"
+COREDEF="00_core"
+
+[ "${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
+
+ [ -e "$1" ] && {
+ [ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping."
+ } || {
+ eval $EXEC &
+ }
+}
+
+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
+
+ [ -e "$1" ] && {
+ [ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping."
+ } || {
+ eval $EXEC &
+ }
+}
+
+link_file() {
+ EXEC="test -e \"$2\" -o -L $2 || ln -s \"$1\" \"$2\" >/dev/tty0 2>&1"
+
+ test "$VOLATILE_ENABLE_CACHE" = yes && echo " $EXEC" >> /etc/volatile.cache
+
+ [ -e "$2" ] && {
+ echo "Cannot create link over existing -${TNAME}-." >&2
+ } || {
+ eval $EXEC &
+ }
+}
+
+check_requirements() {
+
+ cleanup() {
+ rm "${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 /etc/passwd | sed 's@\(^:\)*:.*@\1@' | sort | uniq > "${TMP_DEFINED}"
+ cat ${CFGFILE} | grep -v "^#" | cut -d " " -f 2 > "${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 /etc/group | sed 's@\(^:\)*:.*@\1@' | sort | uniq > "${TMP_DEFINED}"
+ cat ${CFGFILE} | grep -v "^#" | cut -d " " -f 3 > "${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"`
+
+ [ "${VERBOSE}" != "no" ] && echo "Checking for -${TNAME}-."
+
+
+ [ "${TTYPE}" = "l" ] && {
+ TSOURCE="$TLTARGET"
+ [ -L "${TNAME}" ] || {
+ [ "${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 -${TTYPE}-."
+ continue
+ ;;
+ esac
+
+
+ done
+
+ return 0
+
+ }
+
+clearcache=0
+exec 9</proc/cmdline
+while read line <&9
+do
+ case "$line" in
+ *clearcache*) clearcache=1
+ ;;
+ *) continue
+ ;;
+ esac
+done
+exec 9>&-
+
+if test -e /etc/volatile.cache -a "$VOLATILE_ENABLE_CACHE" = "yes" -a "x$1" != "xupdate" -a "x$clearcache" = "x0"
+then
+ sh /etc/volatile.cache
+else
+ rm -f /etc/volatile.cache
+ for file in `ls -1 "${CFGDIR}" | sort`; do
+ apply_cfgfile "${CFGDIR}/${file}"
+ done
+fi
+
+if test -f /etc/ld.so.cache -a ! -f /var/run/ld.so.cache
+then
+ ln -s /etc/ld.so.cache /var/run/ld.so.cache
+fi
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