$ git clone -n https://src.fedoraproject.org/rpms/golang-github-docker.git /var/lib/mock/f39-build-1966128-43294/root/chroot_tmpdir/scmroot/golang-github-docker
Cloning into '/var/lib/mock/f39-build-1966128-43294/root/chroot_tmpdir/scmroot/golang-github-docker'...
$ git fetch origin 5fefe4c1bb50ac591770484058e128f036c67ed5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-docker
 * [new ref]         5fefe4c1bb50ac591770484058e128f036c67ed5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5fefe4c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild