3923a7d3f8
This got... long... and complicated. But I think it's a really good demonstration of getting redo to do complicated things elegantly. At least, I hope it is.
13 lines
384 B
Text
13 lines
384 B
Text
redo-ifchange "$2"
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# On freebsd, 'gzip --rsyncable' fails but returns 0.
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# We have to detect lack of --rsyncable some other way.
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gzt=$(gzip --rsyncable -c </dev/null 2>/dev/null | wc -c)
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if [ "$gzt" -gt 0 ]; then
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# when available, --rsyncable makes compressed
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# files much more efficient to rsync when they
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# change slightly.
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gzip --rsyncable -c <$2 >$3
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else
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gzip -c <$2 >$3
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fi
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