$ git clone -n https://gitee.com/src-opencloudos-rpms/latexmk /var/lib/mock/dist-oc8-build-57969-15832/root/chroot_tmpdir/scmroot/latexmk
Cloning into '/var/lib/mock/dist-oc8-build-57969-15832/root/chroot_tmpdir/scmroot/latexmk'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/latexmk
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3594bd import latexmk-4.57-1.tl3