$ git clone -n https://gitee.com/cobratoxin/guile.git /var/lib/mock/dist-an8.7-build-274429-64202/root/chroot_tmpdir/scmroot/guile
Cloning into '/var/lib/mock/dist-an8.7-build-274429-64202/root/chroot_tmpdir/scmroot/guile'...
$ git fetch origin 50bb59dd0288eec210934deade873f5193463f36:KOJI_FETCH_HEAD
From https://gitee.com/cobratoxin/guile
 * [new ref]         50bb59dd0288eec210934deade873f5193463f36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50bb59d Add doc sub package