$ git clone -n https://src.fedoraproject.org/rpms/fann.git /var/lib/mock/f39-build-1462029-33296/root/chroot_tmpdir/scmroot/fann
Cloning into '/var/lib/mock/f39-build-1462029-33296/root/chroot_tmpdir/scmroot/fann'...
$ git fetch origin 218ec912622797463b680fcb4d0ef8b8a28dd5b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fann
 * [new ref]         218ec912622797463b680fcb4d0ef8b8a28dd5b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 218ec91 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild