$ git clone -n https://src.fedoraproject.org/rpms/golang-github-yuin-goldmark.git /var/lib/mock/f39-build-1856176-42421/root/chroot_tmpdir/scmroot/golang-github-yuin-goldmark
Cloning into '/var/lib/mock/f39-build-1856176-42421/root/chroot_tmpdir/scmroot/golang-github-yuin-goldmark'...
$ git fetch origin 47a50ba05ac26193e618fd562957deaac3d375fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-yuin-goldmark
 * [new ref]         47a50ba05ac26193e618fd562957deaac3d375fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47a50ba Update to latest version (#2246697)