$ git clone -n https://src.fedoraproject.org/rpms/libEMF.git /var/lib/mock/f45-build-15771-479/root/chroot_tmpdir/scmroot/libEMF
Cloning into '/var/lib/mock/f45-build-15771-479/root/chroot_tmpdir/scmroot/libEMF'...
$ git fetch origin 00f433c0c2c74e1edfb0072f7438e740cd778f1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libEMF
 * [new ref]         00f433c0c2c74e1edfb0072f7438e740cd778f1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00f433c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild