58 lines
1.2 KiB
Bash
Executable file
58 lines
1.2 KiB
Bash
Executable file
#!/bin/rc
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# funcs - rc functions and definitions common to dump scripts
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fn backupinit {
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if (! ~ $backupinitdone yes) {
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disc=1
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tracks=0
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# tunable parameters
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set=set1
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fs=pie
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arenas=/dev/sde0/arena0 # on $fs
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rdev=/dev/sdE1 # on terminal with bd burner
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blocksize=8192
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arenasize=1073741824 # twice the venti default, on yoshimi & pie
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# trackbytes=$arenasize
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# discbytes=`{ls -l $rdev/data | awk '{print $6}'}
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# ntracks=`{ hoc -e 'int('$discbytes/$trackbytes')' }
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ntracks=45 # for BD dual-layer
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backupinitdone=yes
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backups=/sys/lib/backup
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path=(/bin $backups .)
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}
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}
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# assume we're in $backups/$set
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fn updprog {
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echo 'disc='$disc 'tracks='$tracks >ndisc && mv ndisc disc
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}
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# assumes $set is set
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fn dumpdone { # arena-part arena-name
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@ {
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cd $backups/$set
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progress=yes
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tracks = `{hoc -e $tracks+1}
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updprog
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if (~ $debug yes)
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echo $2 >>fake # pretend these are sealed
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echo $2 >>ondisc
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}
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}
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fn quitonfailure { # exit-status
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if (! ~ $1 '' 0 '|')
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exit $1
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}
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# caller sets arenabase first
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fn arenastart { # arena#
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bytes = `{ echo $arenabase' + ('$1' * '$arenasize')' | bc }
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blocks = `{ echo $bytes' / '$blocksize | bc }
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echo $blocks
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}
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backupinit
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