$ git clone -n https://gitee.com/gaohongmei/gmp.git /var/lib/mock/dist-an8.6-build-180248-59125/root/chroot_tmpdir/scmroot/gmp
Cloning into '/var/lib/mock/dist-an8.6-build-180248-59125/root/chroot_tmpdir/scmroot/gmp'...
$ git fetch origin 27f4b08db2c09ac9b3e73086ed5b34f6b321d205:KOJI_FETCH_HEAD
From https://gitee.com/gaohongmei/gmp
 * [new ref]         27f4b08db2c09ac9b3e73086ed5b34f6b321d205 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27f4b08 headers: make devel usable with the loongarch64