$ git clone -n https://src.fedoraproject.org/rpms/emerald.git /var/lib/mock/f40-build-797495-141355/root/chroot_tmpdir/scmroot/emerald
Cloning into '/var/lib/mock/f40-build-797495-141355/root/chroot_tmpdir/scmroot/emerald'...
$ git fetch origin bccab6fa5fd9b371eb191d1a7d7e67c29738f9dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/emerald
 * [new ref]         bccab6fa5fd9b371eb191d1a7d7e67c29738f9dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bccab6f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild