73 lines
1.8 KiB
Nix
73 lines
1.8 KiB
Nix
{
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lib,
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stdenv,
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fetchFromGitHub,
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makeWrapper,
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coreutils,
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getopt,
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gnugrep,
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gnused,
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gawk,
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btrfs-progs,
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syslogSupport ? true,
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util-linux ? null,
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}:
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assert syslogSupport -> util-linux != null;
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stdenv.mkDerivation rec {
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version = "2.0.4";
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pname = "btrfs-auto-snapshot";
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src = fetchFromGitHub {
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owner = "hunleyd";
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repo = pname;
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rev = "v${version}";
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hash = "sha256-QpuwkGaYAkpu5hYyb360Mr5tHsZc2LzMlKtpS8CyyhI=";
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};
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dontBuild = true;
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nativeBuildInputs = [ makeWrapper ];
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installPhase = ''
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install -Dm755 btrfs-auto-snapshot $out/bin/btrfs-auto-snapshot
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'';
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wrapperPath = lib.makeBinPath (
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[
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coreutils
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getopt
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gnugrep
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gnused
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gawk
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btrfs-progs
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]
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++ lib.optional syslogSupport util-linux
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);
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postFixup = ''
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wrapProgram $out/bin/btrfs-auto-snapshot \
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--prefix PATH : "${wrapperPath}"
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'';
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meta = with lib; {
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description = "BTRFS Automatic Snapshot Service for Linux";
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homepage = "https://github.com/hunleyd/btrfs-auto-snapshot";
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license = licenses.gpl2;
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mainProgram = "btrfs-auto-snapshot";
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maintainers = with maintainers; [ motiejus ];
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platforms = platforms.linux;
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longDescription = ''
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btrfs-auto-snapshot is a Bash script designed to bring as much of the
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functionality of the wonderful ZFS snapshot tool zfs-auto-snapshot to
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BTRFS as possible. Designed to run from cron (using
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/etc/cron.{daily,hourly,weekly}) it automatically creates a snapshot of
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the specified BTRFS filesystem (or, optionally, all of them) and then
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automatically purges the oldest snapshots of that type (hourly, daily, et
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al) based on a user-defined retention policy.
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Snapshots are stored in a '.btrfs' directory at the root of the BTRFS
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filesystem being snapped and are read-only by default.
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'';
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};
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}
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