Large rewrite of the tinybsd script.
This allows the user to specify that the root filoesystem should be an MFS or teh actual medium itself. Also a new command syntax, along with an interactive mode by default, with crossinvocation memory of the last used values as defaults for the current invocation. Submitted by:jmeloatfreebsdbrasil,com-br
This commit is contained in:
julian
parent
bf543444cf
commit
4503c0ed68
@ -9,42 +9,220 @@ CURRENTDIR=/usr/src/tools/tools/tinybsd
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WORKDIR=/usr/obj/tinybsdbuild
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KERNCONF=TINYBSD
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DEFINSTARGS="-o 0 -g 0 -m 555"
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SECTUNIT=$1
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TRACKCYL=$2
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SECTRACK=$3
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CONF=$4
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IMG=$5
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TS="=====>"
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if [ "$#" -lt 3 ]
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then
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echo "Woops!
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Usage: $0 <mediasize in sectors> <heads according to firmware>
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<sectors according to firmware> <conf> [<tinybsd image name>]
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splitarg1 () {
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local IFS
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IFS='='
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set $1
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echo $1
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}
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Example: $0 62592 4 32
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splitarg2 () {
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local IFS
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IFS='='
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set $1
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echo $2
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}
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or
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getargs () {
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ARGS="$*"
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for arg in $*
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do
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ARG=`splitarg1 $arg`
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VAL=`splitarg2 $arg`
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case $ARG in
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sectors)
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SECTUNIT=$VAL
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;;
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heads)
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TRACKCYL=$VAL
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;;
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spt)
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SECTRACK=$VAL
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;;
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conf)
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CONF=$VAL
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;;
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mfsroot)
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MFSROOT=$VAL
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;;
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image)
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IMG=$VAL
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;;
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batch)
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NO_PROMPTS="YES"
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;;
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new)
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NO_READ="YES"
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;;
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*)
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usage
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;;
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esac
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done
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}
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$0 62592 4 32 wireless
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usage () {
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echo "Woops
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Usage: $0 sectors=<size of media> [80000]
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heads=<heads according to firmware> [4]
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spt=<sectors per track according to firmware> [32]
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conf=<configuration name> (see conf/name) [default]
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mfsroot[=<yes|no>] [no]
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image=<tinybsd image name> [tinybsd.bin]
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batch[=<anything>] (do not ask interactively)
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new[=<anything>] (do not read previous values)
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Run diskinfo(8) -v against your CF device to get correct information
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about your disk."
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exit 1
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fi
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Examples:
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$0 sectors=65536 heads=8 spt=16 conf=wireless mfsroot=yes image=myimage.img batch
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Default values are set in the program.
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Environment values override defaults.
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Previous values override environment values but can be disabled.
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Command arguments override previous values.
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Interactive values override command arguments but can be disabled.
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Run diskinfo(8) -v against your CF device to get correct information
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about your disk. USB keys do not need any specific geometry"
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exit 1
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}
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########
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# Load variables from stdin (could be a file)
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# Look for lines that match foo=bar
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# do not run the file.. that is asking for trouble
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########
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loadvars () {
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while :
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do
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OIFS=$IFS
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IFS="="
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if read PART1 PART2
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then
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IFS="$OIFS"
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case "$PART1" in
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\#*)
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echo "comment"
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;;
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"")
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;;
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*)
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set "${PART1}"
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if [ $# = "1" ]
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then
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eval "${PART1}='${PART2}'"
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fi
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;;
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esac
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else
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IFS="$OIFS"
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return 0
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fi
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done
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}
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########
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# get values from the user
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########
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confirm_action(){
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local ANSWER
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local MESSAGE
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ANSWER=$1
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MESSAGE=$2
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if [ "$NO_PROMPTS" != "YES" ]
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then
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echo -n "$MESSAGE [$ANSWER] use 'none' to clear ? " > /dev/tty
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read result
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[ "$result" != "" ] && ANSWER=$result
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[ "$result" = "none" ] && ANSWER=""
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fi
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ANSWER=`eval "echo $ANSWER"`
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echo $ANSWER
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}
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########
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# These are only used the VERY first time you run the program (on this machine)
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########
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setdefaults () {
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NO_PROMPTS=${NO_PROMPTS:-NO}
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NO_READ=${NO_READ:-NO}
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SECTUNIT=${SECTUNIT:-80000}; export SECTUNIT
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TRACKCYL=${TRACKCYL:-4}; export TRACKCYL
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SECTRACK=${SECTRACK:-32}; export SECTRACK
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CONF=${CONF:-default}; export CONF
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MFSROOT=${MFSROOT:-NO}; export MFSROOT
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IMG=${IMG:-tinybsd.bin}; export IMG
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}
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#######
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# get ourselves set up.
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# Partly by reading config files and partly from asking questions.
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#######
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loadconfig () {
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if [ "${NO_READ}" = "YES" ]
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then
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return
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fi
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HOSTNAME=`hostname`
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HOSTPART=${HOSTNAME%%.*}
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FILENAME=".tinybsd.${HOSTPART}.${USER}"
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FULLFILENAME=$HOME/$FILENAME
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if [ -f ${FULLFILENAME} ]
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then
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loadvars <${FULLFILENAME}
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fi
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SECTUNIT=`confirm_action "$SECTUNIT" "512 byte sectors per unit?"`
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TRACKCYL=`confirm_action "$TRACKCYL" "Tracks per cylinder?"`
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SECTRACK=`confirm_action "$SECTRACK" "Sectors per track?"`
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CONF=`confirm_action "$CONF" "Configuration name?"`
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MFSROOT=`confirm_action "$MFSROOT" "Use an MFSROOT?"`
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IMG=`confirm_action "$IMG" "Image file to generate?"`
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# example of formatted value (NNN in this case)
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# #condition and format the number
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# if [ -z "${BUILDNUM}" ]
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# then
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# echo "Starting with build 001"
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# BUILDNUM="001"
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# else
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# BUILDNUM=`printf "%03d\n" $(($BUILDNUM))`
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# fi
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}
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saveconfig () {
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HOSTNAME=`hostname`
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HOSTPART=${HOSTNAME%%.*}
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FILENAME=".tinybsd.${HOSTPART}.${USER}"
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FULLFILENAME=$HOME/$FILENAME
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(
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echo "# written by tinybsd" `date`
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echo "SECTUNIT=${SECTUNIT}"
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echo "TRACKCYL=${TRACKCYL}"
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echo "SECTRACK=${SECTRACK}"
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echo "CONF=${CONF}"
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echo "MFSROOT=${MFSROOT:-NO}"
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echo "IMG=${IMG}"
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) >${FULLFILENAME}
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}
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check_conf() {
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if [ -z ${CONF} ]
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if [ ${CONF} = 'default' ]
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then
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CONF="default"
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echo "${TS} Alternative conf name not set; defaulting to 'default'"
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fi
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}
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check_alt_imgname() {
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if [ -z ${IMG} ]
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if [ ${IMG} = 'tinybsd.bin' ]
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then
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IMG="tinybsd.bin"
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echo "${TS} Alternative image name not set; defaulting to 'tinybsd.bin'"
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fi
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}
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@ -152,6 +330,13 @@ create_etc() {
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make distribution DESTDIR=${WORKDIR}
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}
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create_ssh_keys() {
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echo "Creating ssh keys..."
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ssh-keygen -t rsa1 -b 1024 -f ${WORKDIR}/etc/ssh/ssh_host_key -N ''
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ssh-keygen -t dsa -f ${WORKDIR}/etc/ssh/ssh_host_dsa_key -N ''
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ssh-keygen -t rsa -f ${WORKDIR}/etc/ssh/ssh_host_rsa_key -N ''
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}
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personal_directories() {
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echo "${TS} Copying your custom configuration on conf/ ..."
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for custom in `find ${CURRENTDIR}/conf/${CONF}/ -type d -depth 1`; do
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@ -191,9 +376,38 @@ create_image() {
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mount /dev/${MD}a ${IMGMNT}
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( cd ${WORKDIR} && find . -print | cpio -dump ${IMGMNT} ) || true
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if [ ${MFSROOT} = 'yes' ]
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then
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echo "${TS} Creating MFS root..."
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# Update is not done yet
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#mkdir -p ${WORKDIR}/usr/local/bin/
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#cp -p ${CURRENTDIR}/update/update ${WORKDIR}/usr/local/bin/
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rm ${WORKDIR}/etc/fstab
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cd ${WORKDIR} && find . -print | sed '/kernel/ d' | cpio -dump ${IMGMNT} || true
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umount ${IMGMNT}
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dd if=/dev/${MD} of=${CURRENTDIR}/mfsroot.img
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gzip -9 < ${CURRENTDIR}/mfsroot.img > ${CURRENTDIR}/mfsroot.gz
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rm ${CURRENTDIR}/mfsroot.img
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mount /dev/${MD}a ${IMGMNT}
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rm -rf ${IMGMNT}/*
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cp -rp ${WORKDIR}/boot ${IMGMNT}
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rm ${IMGMNT}/boot/device.hints
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( \
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echo 'set vfs.root.mountfrom="ufs:/dev/md0a"' ; \
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echo 'set bootfile="/boot/kernel/kernel"' ; \
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sed -e '/^#/ d' -e 's/^/set /' < ${WORKDIR}/boot/device.hints ; \
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echo 'load /boot/kernel/kernel' ; \
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echo 'echo Loading mfsroot' ; \
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echo 'load -t mfs_root /mfsroot' ;\
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echo 'boot' ; \
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) > ${IMGMNT}/boot/loader.rc
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mv ${CURRENTDIR}/mfsroot.gz ${IMGMNT}
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else
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( cd ${WORKDIR} && find . -print | cpio -dump ${IMGMNT} ) || true
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fi
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df ${IMGMNT}
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sleep 1
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umount ${IMGMNT}
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dd if=/dev/${MD} of=${CURRENTDIR}/${IMG} bs=64k
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@ -201,20 +415,42 @@ create_image() {
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rm -vf ${VNODEFILE}
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rm -rvf ${IMGMNT}
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mdconfig -d -u ${MD}
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echo ""
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echo "${TS} Done!"
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echo "${TS} Your configuration options were saved in ${FULLFILENAME}"
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echo "${TS} You can see your build log in ${HOME}/tinybsd.log"
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echo "${TS} Your final image is in ${CURRENTDIR}/${IMG}"
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echo "${TS} Now use dd(1) to write it."
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}
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##########################
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# run things
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prework
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check_conf
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check_alt_imgname
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create_tree
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copy_binaries
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make_kernel
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copy_libraries
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symlinks
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create_etc
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personal_directories
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create_image
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#set +xv
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##########################################
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## The actual program
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##########################################
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getargs $*
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setdefaults
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# Load as many of the configuration options as we can
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loadconfig
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saveconfig
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# Now start logging.
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(
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# Do the build
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prework
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check_conf
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check_alt_imgname
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create_tree
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copy_binaries
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make_kernel
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copy_libraries
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symlinks
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create_etc
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create_ssh_keys
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personal_directories
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create_image
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#set +xv
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) 2>&1 |tee -a ${HOME}/tinybsd.log
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