36 lines
565 B
Text
36 lines
565 B
Text
|
#!/bin/rc
|
||
|
|
|
||
|
|
rfork e
|
||
|
|
if(! ~ $#* 1){
|
||
|
|
echo 'usage: patch/undo patch-name' >[1=2]
|
||
|
|
exit usage
|
||
|
|
}
|
||
|
|
|
||
|
|
if(! test -d /n/sources/patch){
|
||
|
|
rfork n
|
||
|
|
9fs sources
|
||
|
|
}
|
||
|
|
|
||
|
|
if(! test -d /n/sources/patch/$1){
|
||
|
|
echo 'no such patch' /n/sources/patch/$1 >[1=2]
|
||
|
|
exit nopatch
|
||
|
|
}
|
||
|
|
|
||
|
|
d=$1
|
||
|
|
builtin cd /n/sources/patch/$1 || exit nopatch
|
||
|
|
if(! patch/okay .){
|
||
|
|
echo 'bad patch: '$status >[1=2]
|
||
|
|
exit badpatch
|
||
|
|
}
|
||
|
|
|
||
|
|
fn xxx {
|
||
|
|
if(cmp $2.new $1){
|
||
|
|
echo cp /n/sources/patch/$d/$2.backup $1
|
||
|
|
cp $2.backup $1
|
||
|
|
}
|
||
|
|
if not
|
||
|
|
echo $1 has changed since patch was applied! >[2=1]
|
||
|
|
}
|
||
|
|
cat files | sed 's/^/xxx /' |rc
|
||
|
|
|