$ git clone -n https://gitee.com/ywyw22/libgpg-error /var/lib/mock/dist-an8.6-build-186591-60586/root/chroot_tmpdir/scmroot/libgpg-error
Cloning into '/var/lib/mock/dist-an8.6-build-186591-60586/root/chroot_tmpdir/scmroot/libgpg-error'...
$ git fetch origin fd848d81baf83aaaaf59c7322ab2b3fceb080527:KOJI_FETCH_HEAD
From https://gitee.com/ywyw22/libgpg-error
 * [new ref]         fd848d81baf83aaaaf59c7322ab2b3fceb080527 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd848d8 optimise spec file