$ git clone -n https://gitee.com/aixan/nss-altfiles.git /var/lib/mock/dist-an8.6-build-103106-45598/root/chroot_tmpdir/scmroot/nss-altfiles
Cloning into '/var/lib/mock/dist-an8.6-build-103106-45598/root/chroot_tmpdir/scmroot/nss-altfiles'...
$ git reset --hard c6f3ddeb7407316362c7cf1b7b764f2db90e4eac
HEAD is now at c6f3dde import nss-altfiles-2.18.1-12.el8.src.rpm