$ git clone -n https://src.fedoraproject.org/rpms/perl-Gtk2-Ex-Dialogs.git /var/lib/mock/f40-build-2017704-46337/root/chroot_tmpdir/scmroot/perl-Gtk2-Ex-Dialogs
Cloning into '/var/lib/mock/f40-build-2017704-46337/root/chroot_tmpdir/scmroot/perl-Gtk2-Ex-Dialogs'...
$ git fetch origin 837f1455d5a4105a850bf0128aae15575b22c8ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Gtk2-Ex-Dialogs
 * [new ref]         837f1455d5a4105a850bf0128aae15575b22c8ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 837f145 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild