115 lines
1.8 KiB
Bash
Executable file
115 lines
1.8 KiB
Bash
Executable file
#!/bin/rc
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. defs
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while()
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{
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div=--------------------------------------
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echo
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echo $div
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echo
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echo -n 'Preparing menu...'
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# must be topologically sorted (by prereq)
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tasks=(\
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systype\
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configfs\
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partdisk prepdisk\
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mountfs\
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configdist\
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confignet\
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mountdist\
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download\
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copydist\
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ndbsetup nvramsetup\
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tzsetup\
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bootsetup\
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finish\
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)
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# these don't show up in the menu but still matter
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pseudotasks=(havefiles etherup etherdown pppup pppdown)
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for(i in $tasks $pseudotasks)
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$i=notdone
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coherence
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for(i in $tasks $pseudotasks)
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if(~ $#$i 0)
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$i=notdone
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#
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# we believe the environment about what is done
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# only if we've confirmed it. since the tasks list is sorted so that
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# prereqs of xxx come before xxx, it's okay to assume xxx
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# is done until proven otherwise -- either a prereq or checkdone
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# will say so.
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#
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done=()
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ready=()
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rm /env/done
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rm /env/ready
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for(i in $tasks) {
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$i=done
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for(j in `{prereq $i})
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if(! ~ $$j done)
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$i=notdone
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if(~ $$i done) {
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export $i
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$i checkdone
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$i=`{grep '^'$i^'=' /tmp/vars | sed -n '$p' | sed 's/.*=//'}
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}
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if(~ $$i notdone ready) {
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okay=yes
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for(j in `{prereq $i})
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if(! ~ $$j done)
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okay=no
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switch($okay){
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case yes
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$i=ready
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export $i
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$i checkready
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$i=`{grep '^'$i^'=' /tmp/vars | sed -n '$p' | sed 's/.*=//'}
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case no
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$i=notdone
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}
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}
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if(~ $$i done ready)
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$$i=($$$i $i) # rc can be just as complicated as perl!
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}
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export $tasks $pseudotasks done ready
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coherence
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echo
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if(! ~ $#done 0) {
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echo 'The following tasks are done: '
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for(i in $done)
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desc $i
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echo
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}
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echo 'The following unfinished tasks are ready to be done:'
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for(i in $ready)
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desc $i
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echo
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if(~ $#ready 0) {
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echo hey you finished everything! not supposed to happen.
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sleep 100
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exit
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}
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prompt -d $ready(1) -w '' 'Task to do' $done $ready
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echo
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echo $div
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$rd go
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$rd=done # if it's not, the check will figure that out
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export $rd
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}
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