Merge pull request #892 from MarcWeber/submit/storebackup

adding store-backup

pkgs/tools/backup/store-backup/default.nix

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

pkgs/top-level/all-packages.nix

@@ -1757,6 +1757,8 @@ let
 
   ssss = callPackage ../tools/security/ssss { };
 
+  storeBackup = callPackage ../tools/backup/store-backup { };
+
   stun = callPackage ../tools/networking/stun { };
 
   stunnel = callPackage ../tools/networking/stunnel { };