$ git clone -n https://gitee.com/zxy19951122/perl-MIME-Charset.git /var/lib/mock/dist-an23-build-293664-65178/root/chroot_tmpdir/scmroot/perl-MIME-Charset
Cloning into '/var/lib/mock/dist-an23-build-293664-65178/root/chroot_tmpdir/scmroot/perl-MIME-Charset'...
$ git fetch origin 799d2e8e316014d7af1f4ea6b67f398664363e6e:KOJI_FETCH_HEAD
From https://gitee.com/zxy19951122/perl-MIME-Charset
 * [new ref]         799d2e8e316014d7af1f4ea6b67f398664363e6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 799d2e8 import perl-MIME-Charset-1.012.2-4.el8.src.rpm