emacs magit-todos: git not found

[nico202]

Issue description

magit-todos needs the git command

Steps to reproduce

nix-shell -p emacsPackagesNg.melpaPackages.magit-todo

results in:

Searching for program: No such file or directory, git
and the installation fails

Technical details

• system: "x86_64-linux"
• host os: Linux 4.14.63, NixOS, 18.09pre149415.8395f9aa85e (Jellyfish)
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.0.4
• channels(IITaudio): "master, nixos"
• channels(gitlab-runner): "nixpkgs-18.03pre117013.aebdc892d6"
• channels(root): "nixos-18.09pre149415.8395f9aa85e"
• nixpkgs: /nix/var/nix/profiles/per-user/root/channels/nixos

[periklis]

This is a common pitfall with emacs packages missing build inputs others than emacs packages. Latter are identified by emacs2nix, but external dependencies. Please try out the following approach like magit. A PR is always welcome ;)