$ git clone -n https://gitee.com/src-anolis-os/gnome-calendar.git /var/lib/mock/dist-an23-build-348740-70429/root/chroot_tmpdir/scmroot/gnome-calendar
Cloning into '/var/lib/mock/dist-an23-build-348740-70429/root/chroot_tmpdir/scmroot/gnome-calendar'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/gnome-calendar
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6dad03 Init 44.1 version