$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cnf-structhash.git /var/lib/mock/f39-build-1503730-34985/root/chroot_tmpdir/scmroot/golang-github-cnf-structhash
Cloning into '/var/lib/mock/f39-build-1503730-34985/root/chroot_tmpdir/scmroot/golang-github-cnf-structhash'...
$ git fetch origin feb72ce3e2bdb3b48d2183e69efb2e42de54a64c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cnf-structhash
 * [new ref]         feb72ce3e2bdb3b48d2183e69efb2e42de54a64c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at feb72ce Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild