$ git clone -n https://src.fedoraproject.org/rpms/rust-tame-index.git /var/lib/mock/f45-build-45302-822/root/chroot_tmpdir/scmroot/rust-tame-index
Cloning into '/var/lib/mock/f45-build-45302-822/root/chroot_tmpdir/scmroot/rust-tame-index'...
$ git fetch origin c5abb231737b880936d197d5e8039e976c971f15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tame-index
 * [new ref]         c5abb231737b880936d197d5e8039e976c971f15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5abb23 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild