$ git clone -n https://gitee.com/opencloudos-stream/glibmm2.4.git /var/lib/mock/dist-ocs23-base-build-270075-25836/root/chroot_tmpdir/scmroot/glibmm2.4
Cloning into '/var/lib/mock/dist-ocs23-base-build-270075-25836/root/chroot_tmpdir/scmroot/glibmm2.4'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/glibmm2.4
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f4d0a9 Rebuilt for loongarch release