$ git clone -n https://gitee.com/enkilee/perl-MIME-Base64.git /var/lib/mock/dist-an7_9-updates-build-375008-71677/root/chroot_tmpdir/scmroot/perl-MIME-Base64
Cloning into '/var/lib/mock/dist-an7_9-updates-build-375008-71677/root/chroot_tmpdir/scmroot/perl-MIME-Base64'...
$ git fetch origin 3a7fb75bad30bcac82afc4dcc4004741433637e8:KOJI_FETCH_HEAD
From https://gitee.com/enkilee/perl-MIME-Base64
 * [new ref]         3a7fb75bad30bcac82afc4dcc4004741433637e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a7fb75 spec: add sub doc package