$ git clone -n https://src.fedoraproject.org/rpms/gnome-calendar.git /var/lib/mock/f42-build-3275118-41320/root/chroot_tmpdir/scmroot/gnome-calendar
Cloning into '/var/lib/mock/f42-build-3275118-41320/root/chroot_tmpdir/scmroot/gnome-calendar'...
$ git fetch origin da366cd04b1c92b25b730be4c2ff1534b26970d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-calendar
 * [new ref]         da366cd04b1c92b25b730be4c2ff1534b26970d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da366cd Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild