$ git clone -n https://src.fedoraproject.org/rpms/gt.git /var/lib/mock/f40-build-796081-140458/root/chroot_tmpdir/scmroot/gt
Cloning into '/var/lib/mock/f40-build-796081-140458/root/chroot_tmpdir/scmroot/gt'...
$ git fetch origin 19606231f5977de3749af4fa4b9a3e59ec2adcdd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gt
 * [new ref]         19606231f5977de3749af4fa4b9a3e59ec2adcdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1960623 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild