$ git clone -n https://gitee.com/src-anolis-dde/dde-calendar.git /var/lib/mock/dist-an23-dde-build-298104-65836/root/chroot_tmpdir/scmroot/dde-calendar
Cloning into '/var/lib/mock/dist-an23-dde-build-298104-65836/root/chroot_tmpdir/scmroot/dde-calendar'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/dde-calendar
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c3b147 init pkg