$ git clone -n https://gitee.com/mgb01105731/nss-altfiles.git /var/lib/mock/dist-an23.2-build-406427-72450/root/chroot_tmpdir/scmroot/nss-altfiles
Cloning into '/var/lib/mock/dist-an23.2-build-406427-72450/root/chroot_tmpdir/scmroot/nss-altfiles'...
$ git fetch origin 781f55951f9e7634896ec3a4842e31169492fdda:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/nss-altfiles
 * [new ref]         781f55951f9e7634896ec3a4842e31169492fdda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 781f559 Rebuild for remove inappropriate build dependencies.