109 lines
3.4 KiB
Nix
109 lines
3.4 KiB
Nix
{stdenv, which, coreutils, perl, fetchurl, perlPackages, makeWrapper, diffutils , writeScriptBin, bzip2}:
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# quick usage:
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# storeBackup.pl --sourceDir /home/user --backupDir /tmp/my_backup_destination
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# Its slow the first time because it compresses all files bigger than 1k (default setting)
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# The backup tool is bookkeeping which files got compressed
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# btrfs warning: you may run out of hardlinks soon
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# known impurity: test cases seem to bu using /tmp/storeBackup.lock ..
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let dummyMount = writeScriptBin "mount" "#!/bin/sh";
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in
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stdenv.mkDerivation {
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name = "store-backup-3.4";
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enableParallelBuilding = true;
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buildInputs = [ perl makeWrapper ];
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src = fetchurl {
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url = http://download.savannah.gnu.org/releases/storebackup/storeBackup-3.4.tar.bz2;
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sha256 = "101k3nhyfjj8y8hg0v0xqxsr4vlcfkmlczgbihvlv722fb7n5gi3";
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};
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installPhase = ''
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mkdir -p $out/scripts
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mv * $out
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mv $out/_ATTENTION_ $out/doc
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mv $out/{correct.sh,cron-storebackup} $out/scripts
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find $out -name "*.pl" | xargs sed -i \
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-e 's@/bin/pwd@${coreutils}/bin/pwd@' \
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-e 's@/bin/sync@${coreutils}/bin/sync@' \
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-e '1 s@/usr/bin/env perl@${perl}/bin/perl@'
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for p in $out/bin/*
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do wrapProgram "$p" \
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--prefix PERL5LIB ":" "${perlPackages.DBFile}/lib/perl5/site_perl" \
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--prefix PATH ":" "${which}/bin:${bzip2}/bin"
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done
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patchShebangs $out
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# do a dummy test ensuring this works
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PATH=$PATH:${dummyMount}/bin
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{ # simple sanity test, test backup/restore of simple store paths
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mkdir backup
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backupRestore(){
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source="$2"
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echo =========
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echo RUNNING TEST "$1" source: "$source"
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mkdir restored
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$out/bin/storeBackup.pl --sourceDir "$source" --backupDir backup
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latestBackup=backup/default/$(ls -1 backup/default | sort | tail -n 1)
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$out/bin/storeBackupRecover.pl -b "$latestBackup" -t restored -r /
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${diffutils}/bin/diff -r "$source" restored
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# storeBackupCheckSource should return 0
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$out/bin/storeBackupCheckSource.pl -s "$source" -b "$latestBackup"
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# storeBackupCheckSource should return not 0 when using different source
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! $out/bin/storeBackupCheckSource.pl -s $TMP -b "$latestBackup"
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# storeBackupCheckBackup should return 0
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$out/bin/storeBackupCheckBackup.pl -c "$latestBackup"
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chmod -R +w restored
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rm -fr restored
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}
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testDir=$TMP/testDir
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mkdir $testDir
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echo X > $testDir/X
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ln -s ./X $testDir/Y
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backupRestore 'test 1: backup, restore' $testDir
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# test huge blocks, according to docs files bigger than 100MB get split
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# into pieces
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dd if=/dev/urandom bs=100M of=block-1 count=1
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dd if=/dev/urandom bs=100M of=block-2 count=1
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cat block-1 block-2 > $testDir/block
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backupRestore 'test 1 with huge block' $testDir
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cat block-2 block-1 > $testDir/block
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backupRestore 'test 1 with huge block reversed' $testDir
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backupRestore 'test 2: backup, restore' $out
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backupRestore 'test 3: backup, restore' $out
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backupRestore 'test 4: backup diffutils to same backup locations, restore' ${diffutils}
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}
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'';
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meta = {
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description = "Storebackup is a backup suite that stores files on other disks";
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homepage = http://savannah.nongnu.org/projects/storebackup;
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license = stdenv.lib.licenses.gpl3Plus;
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maintainers = [stdenv.lib.maintainers.marcweber];
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platforms = stdenv.lib.platforms.linux;
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};
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}
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