$ git clone -n https://src.fedoraproject.org/rpms/perl-Plack-Test-Agent.git /var/lib/mock/f40-build-2020147-46598/root/chroot_tmpdir/scmroot/perl-Plack-Test-Agent
Cloning into '/var/lib/mock/f40-build-2020147-46598/root/chroot_tmpdir/scmroot/perl-Plack-Test-Agent'...
$ git fetch origin 4af41e8541533f4d4c7e21d042ec8a2db08fda49:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Plack-Test-Agent
 * [new ref]         4af41e8541533f4d4c7e21d042ec8a2db08fda49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4af41e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild