nixpkgs/pkgs/tools/backup/bup/default.nix

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{ stdenv, fetchFromGitHub, makeWrapper
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, perl, pandoc, python2Packages, git
, par2cmdline ? null, par2Support ? true
}:
assert par2Support -> par2cmdline != null;
let version = "0.29.2"; in
with stdenv.lib;
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stdenv.mkDerivation rec {
name = "bup-${version}";
src = fetchFromGitHub {
repo = "bup";
owner = "bup";
rev = version;
sha256 = "17lpbyhf43gcln5s43m2zzgichcx7jq6ragcawfklw6svg1vnj89";
};
buildInputs = [
git
(python2Packages.python.withPackages
(p: with p; [ setuptools tornado ]
++ stdenv.lib.optionals (!stdenv.isDarwin) [ pyxattr pylibacl fuse ]))
];
nativeBuildInputs = [ pandoc perl makeWrapper ];
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postPatch = ''
patchShebangs .
substituteInPlace Makefile --replace "-Werror" ""
substituteInPlace Makefile --replace "./format-subst.pl" "${perl}/bin/perl ./format-subst.pl"
'' + optionalString par2Support ''
substituteInPlace cmd/fsck-cmd.py --replace "['par2'" "['${par2cmdline}/bin/par2'"
'';
dontAddPrefix = true;
makeFlags = [
"MANDIR=$(out)/share/man"
"DOCDIR=$(out)/share/doc/bup"
"BINDIR=$(out)/bin"
"LIBDIR=$(out)/lib/bup"
];
postInstall = ''
wrapProgram $out/bin/bup \
--prefix PATH : ${git}/bin
'';
meta = {
homepage = https://github.com/bup/bup;
description = "Efficient file backup system based on the git packfile format";
license = licenses.gpl2Plus;
longDescription = ''
Highly efficient file backup system based on the git packfile format.
Capable of doing *fast* incremental backups of virtual machine images.
'';
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platforms = platforms.linux ++ platforms.darwin;
maintainers = with maintainers; [ muflax ];
};
}