$ git clone -n https://src.fedoraproject.org/rpms/libgdiplus.git /var/lib/mock/f45-build-16213-483/root/chroot_tmpdir/scmroot/libgdiplus
Cloning into '/var/lib/mock/f45-build-16213-483/root/chroot_tmpdir/scmroot/libgdiplus'...
$ git fetch origin 4b41f62c642c7937182a8c895de4272a48cd07c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgdiplus
 * [new ref]         4b41f62c642c7937182a8c895de4272a48cd07c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b41f62 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild