$ git clone -n https://src.fedoraproject.org/rpms/golang-github-brocaar-chirpstack-api.git /var/lib/mock/f38-build-side-42-init-devel-674864-26685/root/chroot_tmpdir/scmroot/golang-github-brocaar-chirpstack-api
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-674864-26685/root/chroot_tmpdir/scmroot/golang-github-brocaar-chirpstack-api'...
$ git fetch origin 85e209c5740ebb9f589796341cebaafccf161be0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-brocaar-chirpstack-api
 * [new ref]         85e209c5740ebb9f589796341cebaafccf161be0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85e209c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild