$ git clone -n https://src.fedoraproject.org/rpms/megaglest.git /var/lib/mock/f39-build-1563250-37477/root/chroot_tmpdir/scmroot/megaglest
Cloning into '/var/lib/mock/f39-build-1563250-37477/root/chroot_tmpdir/scmroot/megaglest'...
$ git fetch origin 6cc3618604baaa120bca3864b5f0a33dbb4fface:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/megaglest
 * [new ref]         6cc3618604baaa120bca3864b5f0a33dbb4fface -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cc3618 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild