Restrict an ssh-key via force-command to a specific git repository.

Inspired by http://eagain.net/blog/2007/03/22/howto-host-git.html

1. Install

$ cargo install git-shell-enforce-directory

2. Modify and run:

$ cat >> ~/.ssh/authorized_keys <<EOF
command="$HOME/.cargo/bin/git-shell-enforce-directory $PATH_TO_GIT_REPO",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty ssh-[...] AAAA[...]
EOF

• Use logging
  • -v enables debug level
  • Create fatal! macro which does error! and then exits
• Add --read-only flag
• Add tests
• Fix the more Cargo.toml metadata documentation path e.g.