$ git clone -n https://gitee.com/src-anolis-dde/gdk-pixbuf2-xlib.git /var/lib/mock/dist-an23-dde-build-305616-66739/root/chroot_tmpdir/scmroot/gdk-pixbuf2-xlib
Cloning into '/var/lib/mock/dist-an23-dde-build-305616-66739/root/chroot_tmpdir/scmroot/gdk-pixbuf2-xlib'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/gdk-pixbuf2-xlib
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b94fd55 pkg init