$ git clone -n https://gitee.com/mgb01105731/cosign.git /var/lib/mock/dist-an23-build-498486-74683/root/chroot_tmpdir/scmroot/cosign
Cloning into '/var/lib/mock/dist-an23-build-498486-74683/root/chroot_tmpdir/scmroot/cosign'...
$ git fetch origin 1fb54fbeb37d520e1e6bc28c0686dafe10be619f:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/cosign
 * [new ref]         1fb54fbeb37d520e1e6bc28c0686dafe10be619f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fb54fb Init upstream from 2.5.2