$ git clone -n https://src.fedoraproject.org/rpms/golang-github-glendc-gopher-json.git /var/lib/mock/f40-build-2281730-55494/root/chroot_tmpdir/scmroot/golang-github-glendc-gopher-json
Cloning into '/var/lib/mock/f40-build-2281730-55494/root/chroot_tmpdir/scmroot/golang-github-glendc-gopher-json'...
$ git fetch origin 17f603bb3858de87d9e5e3a7620c3eb793f50bd4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-glendc-gopher-json
 * [new ref]         17f603bb3858de87d9e5e3a7620c3eb793f50bd4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17f603b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild