$ git clone -n https://src.fedoraproject.org/rpms/golang-github-pquerna-ffjson.git /var/lib/mock/f40-build-2001860-44638/root/chroot_tmpdir/scmroot/golang-github-pquerna-ffjson
Cloning into '/var/lib/mock/f40-build-2001860-44638/root/chroot_tmpdir/scmroot/golang-github-pquerna-ffjson'...
$ git fetch origin 90d5ba516d1df345afb44575f141f1261da4c4b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-pquerna-ffjson
 * [new ref]         90d5ba516d1df345afb44575f141f1261da4c4b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90d5ba5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild