How to post review for multiple clearcase files in review board

Old File : /vobs/code1/dir1/file1.c@@/main/branch1/4 .
New File : /vobs/code1/dir1/file1.c@@/main/branch1/mybranch/1

$ diff -q /vobs/code1/dir1/file1.c@@/main/branch1/4 /vobs/code1/dir1/file1.c@@/main/branch1/mybranch/1 Files /vobs/code1/dir1/file1.c@@/main/branch1/4 and /vobs/code1/dir1/file1.c@@/main/branch1/mybranch/1 differ

$ post-review --server http://reviewserver.oursite.com --revision-range='/vobs/code1/dir1/file1.c@@/main/branch1/4:/vobs/code1/dir1/file1.c@@/main/branch1/mybranch/1' There don't seem to be any diffs! $

Why i am getting above message when there are difference in files ?

Solution

Generate unified diffs of all files using option -U of GNU diff command:
    diff -U 100000 file1.c@@/main/4      file1.c@@/main/10          >   uni_diffs
    diff -U 100000 file2.c@@/main/br1/3  file2.c@@/main/branch2/4   >>  uni_diffs
    diff -U 100000 file3.c@@/main/abc/4  file3.c@@/main/30          >>  uni_diffs
    ....

Note 100000 is passed so that complete file can also be viewed on review board.
Assuming file length is less than 1000000.

Post the above unified diff file to review board :
    post-review --diff-filename=uni_diffs ....

Deepak