$ git clone -n https://src.fedoraproject.org/rpms/rust-sanitize-filename.git /var/lib/mock/f45-build-44673-816/root/chroot_tmpdir/scmroot/rust-sanitize-filename
Cloning into '/var/lib/mock/f45-build-44673-816/root/chroot_tmpdir/scmroot/rust-sanitize-filename'...
$ git fetch origin 37666450cf510b5650b4b13bbf10f3cb4f1f5158:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sanitize-filename
 * [new ref]         37666450cf510b5650b4b13bbf10f3cb4f1f5158 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3766645 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild