$ git clone -n https://src.fedoraproject.org/rpms/perl-Ouch.git /var/lib/mock/f40-build-2307207-57210/root/chroot_tmpdir/scmroot/perl-Ouch
Cloning into '/var/lib/mock/f40-build-2307207-57210/root/chroot_tmpdir/scmroot/perl-Ouch'...
$ git fetch origin 1aa7cc82df88b6b9d31e18c9189ce104b4d0b12a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Ouch
 * [new ref]         1aa7cc82df88b6b9d31e18c9189ce104b4d0b12a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1aa7cc8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild