$ git clone -n https://src.fedoraproject.org/rpms/eb.git /var/lib/mock/f42-build-3459585-45515/root/chroot_tmpdir/scmroot/eb
Cloning into '/var/lib/mock/f42-build-3459585-45515/root/chroot_tmpdir/scmroot/eb'...
$ git fetch origin 115974c578cd92c9d1c064af8e9171cf0658f20a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eb
 * [new ref]         115974c578cd92c9d1c064af8e9171cf0658f20a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 115974c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild