default.nix

{pkgs ? (import <nixpkgs> {})}:
let
  src = pkgs.fetchFromGitHub {
    owner = "borgbackup";
    repo = "borg";
    rev = "7e5ed40e2fe49ebf75ba6594e5247e763a2f9e68";
    sha256 = null;
  };

  borg = pkgs.stdenv.lib.overrideDerivation pkgs.borgbackup (old: {

    inherit src;
    version="git";
    SETUPTOOLS_SCM_PRETEND_VERSION="1.1+git";
    postInstall = "";

    preConfigure = old.preConfigure + ''
      echo "version = '$SETUPTOOLS_SCM_PRETEND_VERSION'" > src/borg/_version.py
      '';
  });
  env = pkgs.buildEnv {
    name="borgly";
    paths = [borg];
  };
in pkgs.stdenv.mkDerivation {name="borgish";buildInputs= [env];}

ls.txt

$ ls -la
insgesamt 472
drwxr-xr-x  3 ronny users   4096  4. Dez 17:06 .
drwxrwxrwx 10 root  root  471040  4. Dez 17:05 ..
drwxr-xr-x  3 ronny users   4096 28. Sep 23:20 borg_recreate_repair_test

ls_repo.txt

[nix-shell:/run/media/ronny/backups/borg_test]$ ls -la borg_recreate_repair_test/
insgesamt 235148
drwxr-xr-x  3 ronny users      4096 28. Sep 23:20 .
drwxr-xr-x  3 ronny users      4096  4. Dez 17:06 ..
-rw-r--r--  1 ronny users       620 31. Mai 2016  config
drwxr-xr-x 13 ronny users      4096 31. Mai 2016  data
-rw-------  1 ronny users    204474 20. Sep 20:16 hints.102490
-rw-------  1 ronny users 240314698 20. Sep 20:16 index.102490
-rw-------  1 ronny users        16 20. Sep 20:16 nonce
-rw-r--r--  1 ronny users        26  6. Sep 2015  README

output.txt

[nix-shell:/run/media/ronny/backups/borg_test]$ borg recreate ./borg_recreate_repair_test --chunker-params=default --progress
usage: borg recreate [-h] [--critical] [--error] [--warning] [--info]
                     [--debug] [--debug-topic TOPIC] [--lock-wait N]
                     [--show-version] [--show-rc] [--no-files-cache]
                     [--umask M] [--remote-path PATH]
                     [--remote-ratelimit rate] [--consider-part-files]
                     [--list] [--filter STATUSCHARS] [-p] [-n] [-s]
                     [-e PATTERN] [--exclude-from EXCLUDEFILE]
                     [--exclude-caches] [--exclude-if-present FILENAME]
                     [--keep-tag-files] [--target TARGET] [-c SECONDS]
                     [--comment COMMENT] [--timestamp yyyy-mm-ddThh:mm:ss]
                     [-C COMPRESSION] [--always-recompress]
                     [--compression-from COMPRESSIONCONFIG]
                     [--chunker-params CHUNK_MIN_EXP,CHUNK_MAX_EXP,HASH_MASK_BITS,HASH_WINDOW_SIZE]
                     [REPOSITORY_OR_ARCHIVE] [PATH [PATH ...]]
borg recreate: error: argument REPOSITORY_OR_ARCHIVE: invalid validator value: './borg_recreate_repair_test'