43 lines
920 B
Nix
43 lines
920 B
Nix
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{
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gzip,
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runCommand,
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compressDrv,
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}:
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let
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example = runCommand "sample-drv" { } ''
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mkdir $out
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echo 42 > $out/1.txt
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echo 43 > $out/1.md
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touch $out/2.png
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'';
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drv = compressDrv example {
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formats = [ "txt" ];
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compressors.gz = "${gzip}/bin/gzip --force --keep --fast {}";
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};
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wrapped = compressDrv drv {
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formats = [ "md" ];
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compressors.gz = "${gzip}/bin/gzip --force --keep --fast {}";
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};
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in
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runCommand "test-compressDrv" { } ''
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set -ex
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ls -l ${drv}
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test -h ${drv}/1.txt
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test -f ${drv}/1.txt.gz
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cmp ${drv}/1.txt <(${gzip}/bin/zcat ${drv}/1.txt.gz)
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test -h ${drv}/2.png
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test ! -a ${drv}/2.png.gz
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# compressDrv always points to the final file, no matter how many times
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# it's been wrapped
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cmp <(readlink -e ${drv}/1.txt) <(readlink -e ${wrapped}/1.txt)
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test -f ${wrapped}/1.txt.gz
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test -f ${wrapped}/1.md.gz
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test ! -f ${drv}/1.md.gz
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mkdir $out
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''
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