fail to clone

[blshkv]

 * Fetching https://github.com/arxsys/dff-cmake_modules ...
git fetch https://github.com/arxsys/dff-cmake_modules --prune +refs/heads/*:refs/heads/* +refs/tags/*:refs/tags/* +refs/notes/*:refs/notes/* +HEAD:refs/git-r3/HEAD
git update-ref --no-deref refs/git-r3/app-forensics/dff/0/cmake_modules/__main__ 974ed843295555abefb9eaf6d1d38ff90a2aeacd
 * Fetching https://github.com/arxsys/dff-doc ...
git fetch https://github.com/arxsys/dff-doc --prune +refs/heads/*:refs/heads/* +refs/tags/*:refs/tags/* +refs/notes/*:refs/notes/* +HEAD:refs/git-r3/HEAD
git update-ref --no-deref refs/git-r3/app-forensics/dff/0/doc/__main__ 50d549e578718db8971e7949ee3828db7bca6522
 * Fetching https://github.com/arxsys/dff-unsupported ...
git fetch https://github.com/arxsys/dff-unsupported --prune +refs/heads/*:refs/heads/* +refs/tags/*:refs/tags/* +refs/notes/*:refs/notes/* +HEAD:refs/git-r3/HEAD
git update-ref --no-deref refs/git-r3/app-forensics/dff/0/dff/unsupported/__main__ 1db32abea40ac2faa43f0d395fa97ea694790f91
fatal: update_ref failed for ref 'refs/git-r3/app-forensics/dff/0/dff/unsupported/__main__': cannot update ref 'refs/git-r3/app-forensics/dff/0/dff/unsupported/__main__': trying to write ref 'refs/git-r3/app-forensics/dff/0/dff/unsupported/__main__' with nonexistent object 1db32abea40ac2faa43f0d395fa97ea694790f91
 * ERROR: app-forensics/dff-1.3.0_p20160519::pentoo failed (unpack phase):
 *   Referencing 1db32abea40ac2faa43f0d395fa97ea694790f91 failed (wrong ref?).

[blshkv]

ok, this is not dff problem. A packet manager of my distro (portage) does not support "--recursive" flag. Closing for now.