$ git clone -n https://src.fedoraproject.org/rpms/rust-pretty-git-prompt.git /var/lib/mock/f31-build-48638-27173/root/chroot_tmpdir/scmroot/rust-pretty-git-prompt
Cloning into '/var/lib/mock/f31-build-48638-27173/root/chroot_tmpdir/scmroot/rust-pretty-git-prompt'...
$ git reset --hard f229581fe0f5f479f3de79281b1137d39e1bccc7
HEAD is now at f229581 Regenerate