$ git clone -n https://src.fedoraproject.org/rpms/perl-Graph-Easy.git /var/lib/mock/f41-build-1099114-20020/root/chroot_tmpdir/scmroot/perl-Graph-Easy
Cloning into '/var/lib/mock/f41-build-1099114-20020/root/chroot_tmpdir/scmroot/perl-Graph-Easy'...
$ git fetch origin e8795a2dcf12ca56c0f4c65206932edd3231b215:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Graph-Easy
 * [new ref]         e8795a2dcf12ca56c0f4c65206932edd3231b215 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8795a2 Eliminate use of obsolete %patchN syntax (#2283636)