$ git clone -n https://src.fedoraproject.org/rpms/perl-Makefile-Parser.git /var/lib/mock/f41-build-737379-13290/root/chroot_tmpdir/scmroot/perl-Makefile-Parser
Cloning into '/var/lib/mock/f41-build-737379-13290/root/chroot_tmpdir/scmroot/perl-Makefile-Parser'...
$ git fetch origin 53eb917d1c096503a98fce2e48d04827bf75c3a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Makefile-Parser
 * [new ref]         53eb917d1c096503a98fce2e48d04827bf75c3a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53eb917 Eliminate use of obsolete %patchN syntax (#2283636)