tree 159e156a1c438dfb893110b54af6a0acf430d094
parent 8a8f1523bcfe1397c0f16b15bd2bd3262e7439f0
author Alexander Afanasyev <alexander.afanasyev@ucla.edu> 1359501509 -0800
committer Alexander Afanasyev <alexander.afanasyev@ucla.edu> 1359501997 -0800

Don't assemble a file if file already exists in a file system (can happen if several files with the same content are simultaneously created)