$ git clone -n https://src.fedoraproject.org/rpms/perl-Email-MIME-Kit.git /var/lib/mock/f40-build-2623585-64989/root/chroot_tmpdir/scmroot/perl-Email-MIME-Kit
Cloning into '/var/lib/mock/f40-build-2623585-64989/root/chroot_tmpdir/scmroot/perl-Email-MIME-Kit'...
$ git fetch origin 532fa6f597bbf427be16e23bcba99358534b36c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Email-MIME-Kit
 * [new ref]         532fa6f597bbf427be16e23bcba99358534b36c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 532fa6f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild