46 lines
681 B
Bash
Executable file
46 lines
681 B
Bash
Executable file
#!/bin/rc
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# patch/diff [-w] patch-name
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rfork e
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fn usage {
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echo 'usage: patch/diff [-bmnwz] patch-name' >[1=2]
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exit usage
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}
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dopts=(-c)
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while (! ~ $#* 0 && ~ $1 -*) {
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switch ($1) {
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case -[bmnw]
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dopts=($dopts $1)
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case -z
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dopts=()
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case *
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usage
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}
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shift
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}
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if(! ~ $#* 1)
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usage
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if(! test -d /n/sources/patch){
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rfork n
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9fs sources
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}
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if(! test -d /n/sources/patch/$1){
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echo 'no such patch' /n/sources/patch/$1 >[1=2]
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exit nopatch
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}
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builtin cd /n/sources/patch/$1 || exit nopatch
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if(! patch/okay .){
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echo 'bad patch: '$status >[1=2]
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exit badpatch
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}
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d=/n/sources/patch/$1
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fn xxx {
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echo $1
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diff $dopts $2.orig $d/$2 | sed 's/^/ /'
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}
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cat files | sed 's/^/xxx /' | rc
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