Use <...> syntax

Dependencies

• [2] 4UBEIJRA release.nix: Remove `services' arguments to ${nixos}/lib/testing.nix.
• [3] ZGBU7H7P * Pass nixUnstable to the tarball build.
• [4] R6O64PAE Use a nicer version string
• [5] VM3TQZ65 * hydra: make manual.pdf
• [6] FV2M6MOT hydra: use autoconf/-make
• [7] YQWH4POV * Simplify.
• [8] U2BNO3C5 hydra: fix build job
• [9] C7CXMZ66 hydra: do not perform git clone every time. in stead work on local clone and pull
• [10] T4LLYESZ * Nix expression for building Hydra.
• [11] 7C6HSXUQ * Start of a regression test for Hydra.

Change contents

• replacement in release.nix at line 1
  [5.1]→[5.0:31](∅→∅),[5.31]→[4.0:68](∅→∅)
  − { nixpkgs ? /etc/nixos/nixpkgs

  − , hydraSrc ? { outPath = ./.; revCount = 1234; gitTag = "abcdef"; }
  [5.1]

  [5.65]
  + { hydraSrc ? { outPath = ./.; revCount = 1234; gitTag = "abcdef"; }
• replacement in release.nix at line 8
  [5.13]→[3.0:29](∅→∅)
  − with import nixpkgs { };
  [5.13]

  [3.29]
  + with import <nixpkgs> { };
• replacement in release.nix at line 47
  [5.738]→[5.1594:1646](∅→∅)
  − let pkgs = import nixpkgs {inherit system;}; in
  [5.738]

  [5.738]
  + let pkgs = import <nixpkgs> {inherit system;}; in
• replacement in release.nix at line 99
  [5.162]→[2.0:72](∅→∅)
  − with import "${nixos}/lib/testing.nix" { inherit nixpkgs system; };
  [5.162]

  [5.251]
  + with import <nixos/lib/testing.nix> { inherit system; };