$ git clone -n https://src.fedoraproject.org/rpms/rust-exa.git /var/lib/mock/f33-build-131891-41105/root/chroot_tmpdir/scmroot/rust-exa
Cloning into '/var/lib/mock/f33-build-131891-41105/root/chroot_tmpdir/scmroot/rust-exa'...
$ git reset --hard 42fbced4624a44a185dabf9230195421b452502c
HEAD is now at 42fbced Update git2 to 0.13