$ git clone -n https://src.fedoraproject.org/rpms/perl-Makefile-Parser.git /var/lib/mock/f45-build-24655-605/root/chroot_tmpdir/scmroot/perl-Makefile-Parser
Cloning into '/var/lib/mock/f45-build-24655-605/root/chroot_tmpdir/scmroot/perl-Makefile-Parser'...
$ git fetch origin 0408b1befcfcd0b43fc159196d9ede9dc811ee01:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Makefile-Parser
 * [new ref]         0408b1befcfcd0b43fc159196d9ede9dc811ee01 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0408b1b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild