$ git clone -n https://src.fedoraproject.org/rpms/megapixels.git /var/lib/mock/f40-build-2506317-61702/root/chroot_tmpdir/scmroot/megapixels
Cloning into '/var/lib/mock/f40-build-2506317-61702/root/chroot_tmpdir/scmroot/megapixels'...
$ git fetch origin ede00e32a3c01736cb0082f30cd80a049b5a49c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/megapixels
 * [new ref]         ede00e32a3c01736cb0082f30cd80a049b5a49c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ede00e3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild