$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Integer.git /var/lib/mock/f40-build-2016402-46189/root/chroot_tmpdir/scmroot/perl-Data-Integer
Cloning into '/var/lib/mock/f40-build-2016402-46189/root/chroot_tmpdir/scmroot/perl-Data-Integer'...
$ git fetch origin 239b20804d9b7ba41cc4a0fcea8f20f64e4ffe9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Integer
 * [new ref]         239b20804d9b7ba41cc4a0fcea8f20f64e4ffe9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 239b208 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild