$ git clone -n https://src.fedoraproject.org/rpms/micropython.git /var/lib/mock/f42-build-3460561-45515/root/chroot_tmpdir/scmroot/micropython
Cloning into '/var/lib/mock/f42-build-3460561-45515/root/chroot_tmpdir/scmroot/micropython'...
$ git fetch origin 3cb370fc55a77af58c68e0b9b35e5863c057a021:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/micropython
 * [new ref]         3cb370fc55a77af58c68e0b9b35e5863c057a021 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cb370f Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild