$ git clone -n https://src.fedoraproject.org/rpms/rust-seahash3.git /var/lib/mock/f45-build-44734-816/root/chroot_tmpdir/scmroot/rust-seahash3
Cloning into '/var/lib/mock/f45-build-44734-816/root/chroot_tmpdir/scmroot/rust-seahash3'...
$ git fetch origin 580b43210ec7e4839f7cc8d360501c81f746839f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-seahash3
 * [new ref]         580b43210ec7e4839f7cc8d360501c81f746839f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 580b432 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild