$ git clone -n https://gitee.com/im-going-hungry/procmail.git /var/lib/mock/dist-an23-build-479649-74220/root/chroot_tmpdir/scmroot/procmail
Cloning into '/var/lib/mock/dist-an23-build-479649-74220/root/chroot_tmpdir/scmroot/procmail'...
$ git fetch origin 7c6856830ac69c48a39ace34e9b9a41ee884b80f:KOJI_FETCH_HEAD
From https://gitee.com/im-going-hungry/procmail
 * [new ref]         7c6856830ac69c48a39ace34e9b9a41ee884b80f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c68568 添加patch，修改编译选项