$ git clone -n https://src.fedoraproject.org/rpms/perl-Acme-Damn.git /var/lib/mock/f41-build-side-1-3134330-39734/root/chroot_tmpdir/scmroot/perl-Acme-Damn
Cloning into '/var/lib/mock/f41-build-side-1-3134330-39734/root/chroot_tmpdir/scmroot/perl-Acme-Damn'...
$ git fetch origin dfa9b2751e621575746b3e02821de2dfabd565bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Acme-Damn
 * [new ref]         dfa9b2751e621575746b3e02821de2dfabd565bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfa9b27 Patch out attempt to call undefined import