$ git clone -n https://src.fedoraproject.org/rpms/gdouros-alexander-fonts.git /var/lib/mock/f45-build-9694-407/root/chroot_tmpdir/scmroot/gdouros-alexander-fonts
Cloning into '/var/lib/mock/f45-build-9694-407/root/chroot_tmpdir/scmroot/gdouros-alexander-fonts'...
$ git fetch origin 5b34f2a5cd1af5356197eeb8535e419cdc4dc2af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdouros-alexander-fonts
 * [new ref]         5b34f2a5cd1af5356197eeb8535e419cdc4dc2af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b34f2a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild