$ git clone -n https://gitee.com/gcdota930915/gmp.git /var/lib/mock/dist-an8_8-el9-build-166551-58762/root/chroot_tmpdir/scmroot/gmp
Cloning into '/var/lib/mock/dist-an8_8-el9-build-166551-58762/root/chroot_tmpdir/scmroot/gmp'...
$ git reset --hard origin/a8
HEAD is now at 4b4ef51 update to gmp-6.2.0-10.el9.src.rpm