$ git clone -n https://src.fedoraproject.org/rpms/CCfits.git /var/lib/mock/f40-build-761825-121670/root/chroot_tmpdir/scmroot/CCfits
Cloning into '/var/lib/mock/f40-build-761825-121670/root/chroot_tmpdir/scmroot/CCfits'...
$ git fetch origin b57a6d227b9a069f3c3159e4b74e7e341765706e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/CCfits
 * [new ref]         b57a6d227b9a069f3c3159e4b74e7e341765706e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b57a6d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild