$ git clone -n https://gitee.com/mgb01105731/pkgconf.git /var/lib/mock/dist-an23-build-313461-67129/root/chroot_tmpdir/scmroot/pkgconf
Cloning into '/var/lib/mock/dist-an23-build-313461-67129/root/chroot_tmpdir/scmroot/pkgconf'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/pkgconf
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ccb094c update to 1.9.5