$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Install-Contributors.git /var/lib/mock/f41-build-691960-12735/root/chroot_tmpdir/scmroot/perl-Module-Install-Contributors
Cloning into '/var/lib/mock/f41-build-691960-12735/root/chroot_tmpdir/scmroot/perl-Module-Install-Contributors'...
$ git fetch origin cb0a8151bef7e806a80f76c2178c610ba4f9902f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Install-Contributors
 * [new ref]         cb0a8151bef7e806a80f76c2178c610ba4f9902f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb0a815 Eliminate use of obsolete %patchN syntax (#2283636)