$ git clone -n https://src.fedoraproject.org/rpms/iso-country-flags.git /var/lib/mock/f40-build-2600403-63116/root/chroot_tmpdir/scmroot/iso-country-flags
Cloning into '/var/lib/mock/f40-build-2600403-63116/root/chroot_tmpdir/scmroot/iso-country-flags'...
$ git fetch origin fdaedb6364ddeb133d93272aac581dff8c9f6096:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iso-country-flags
 * [new ref]         fdaedb6364ddeb133d93272aac581dff8c9f6096 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdaedb6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild