$ git clone -n https://src.fedoraproject.org/rpms/golang-github-zeebo-xxh3.git /var/lib/mock/f39-build-1508409-35375/root/chroot_tmpdir/scmroot/golang-github-zeebo-xxh3
Cloning into '/var/lib/mock/f39-build-1508409-35375/root/chroot_tmpdir/scmroot/golang-github-zeebo-xxh3'...
$ git fetch origin 3fe5c3aeb69ca459dea4f8a7954cc9a2aaa70498:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-zeebo-xxh3
 * [new ref]         3fe5c3aeb69ca459dea4f8a7954cc9a2aaa70498 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fe5c3a Initial import (rhbz#2227555)