$ git clone -n https://src.fedoraproject.org/rpms/gsim85.git /var/lib/mock/f40-build-793275-138810/root/chroot_tmpdir/scmroot/gsim85
Cloning into '/var/lib/mock/f40-build-793275-138810/root/chroot_tmpdir/scmroot/gsim85'...
$ git fetch origin 5a5189cd9ad1878740165f5717e5249fdc69927e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gsim85
 * [new ref]         5a5189cd9ad1878740165f5717e5249fdc69927e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a5189c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild