$ git clone -n https://gitee.com/zhangwenlong01/libgcrypt.git /var/lib/mock/dist-an23-build-506132-74854/root/chroot_tmpdir/scmroot/libgcrypt
Cloning into '/var/lib/mock/dist-an23-build-506132-74854/root/chroot_tmpdir/scmroot/libgcrypt'...
$ git fetch origin fafa35c5d0e58d8fd2002ca7c980f3555188a749:KOJI_FETCH_HEAD
From https://gitee.com/zhangwenlong01/libgcrypt
 * [new ref]         fafa35c5d0e58d8fd2002ca7c980f3555188a749 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fafa35c rebuild for loongarch64