$ git clone -n https://src.fedoraproject.org/rpms/emacs-common-tuareg.git /var/lib/mock/f42-build-3347443-45004/root/chroot_tmpdir/scmroot/emacs-common-tuareg
Cloning into '/var/lib/mock/f42-build-3347443-45004/root/chroot_tmpdir/scmroot/emacs-common-tuareg'...
$ git fetch origin a423eb0382b4dffd00ea86384eebe9b375fee02f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/emacs-common-tuareg
 * [new ref]         a423eb0382b4dffd00ea86384eebe9b375fee02f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a423eb0 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild