$ git clone -n https://src.fedoraproject.org/rpms/rust-rprompt.git /var/lib/mock/f45-build-44492-814/root/chroot_tmpdir/scmroot/rust-rprompt
Cloning into '/var/lib/mock/f45-build-44492-814/root/chroot_tmpdir/scmroot/rust-rprompt'...
$ git fetch origin 1511f2bf1424f4c4f5f953c866b02dd49efc363c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rprompt
 * [new ref]         1511f2bf1424f4c4f5f953c866b02dd49efc363c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1511f2b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild