$ git clone -n https://src.fedoraproject.org/rpms/golang-github-mmarkdown-mmark.git /var/lib/mock/f39-build-1507824-35309/root/chroot_tmpdir/scmroot/golang-github-mmarkdown-mmark
Cloning into '/var/lib/mock/f39-build-1507824-35309/root/chroot_tmpdir/scmroot/golang-github-mmarkdown-mmark'...
$ git fetch origin 18d7f82f11b1ed4c8443f5dda4a1c7eff5cb871a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-mmarkdown-mmark
 * [new ref]         18d7f82f11b1ed4c8443f5dda4a1c7eff5cb871a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18d7f82 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild