$ git clone -n https://src.fedoraproject.org/rpms/json-fortran.git /var/lib/mock/f42-build-3279303-41337/root/chroot_tmpdir/scmroot/json-fortran
Cloning into '/var/lib/mock/f42-build-3279303-41337/root/chroot_tmpdir/scmroot/json-fortran'...
$ git fetch origin 0be60177cf686a9e73c646520c4c5b789dff44d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/json-fortran
 * [new ref]         0be60177cf686a9e73c646520c4c5b789dff44d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0be6017 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild