self: super: let fallback-git-cache = self.python3Packages.callPackage ({ buildPythonPackage, fetchgit, git, backoff, mypy, }: buildPythonPackage rec { pname = "git-cache"; version = "1.3.1"; src = fetchgit { url = "https://git.scottworley.com/pub/git/git-cache"; rev = "v${version}"; sha256 = "0awz7f6avzw9fk9gp1kadj0nbmf1s60qic9zb6ww92zig3khg12k"; }; propagatedBuildInputs = [ backoff ]; checkInputs = [ git mypy ]; doCheck = true; checkPhase = "./test.sh"; }) { }; fallback-pinch = self.python3Packages.callPackage ({ buildPythonPackage, fetchgit, nix_2_3, git, makeWrapper, mypy, git-cache, }: buildPythonPackage rec { pname = "pinch"; version = "3.0.9"; src = fetchgit { url = "https://git.scottworley.com/pub/git/pinch"; rev = "v${version}"; sha256 = "sha256-D1XC8pmemdOpIEWvS0VH9Fguvp92FqpQfJj2TudfwRw="; }; buildInputs = [ makeWrapper ]; propagatedBuildInputs = [ git-cache ]; checkInputs = [ nix_2_3 git mypy ]; postInstall = '' wrapProgram "$out/bin/pinch" --prefix PATH : ${nix_2_3}/bin ''; doCheck = true; checkPhase = "./test.sh"; }) { git-cache = self.python3Packages.git-cache or fallback-git-cache; }; in { pinch = super.pinch or fallback-pinch; }