tests/test-merge-commit.out

Prevent type exception on concatenation if diffstat returns None.

This will most often occur if diffstat is not installed in the
target platform, though may also happen in other cases where
diffstat fails to execute.

Signed-off-by: Sean Dague <[e-mail]>

1 files updated, 0 files merged, 0 files removed, 0 files unresolved
merging bar and foo
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
% contents of bar should be line0 line1 line2
line0
line1
line2
   rev    offset  length   base linkrev nodeid       p1           p2
     0         0      77      0       2 da78c0659611 000000000000 000000000000
     1        77      76      0       3 4b358025380b 000000000000 da78c0659611
bar renamed from foo:9e25c27b87571a1edee5ae4dddee5687746cc8e2
   rev    offset  length   base linkrev nodeid       p1           p2
     0         0       7      0       0 690b295714ae 000000000000 000000000000
     1         7      13      1       1 9e25c27b8757 690b295714ae 000000000000
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
4:2d2f9a22c82b 2:0a3ab4856510 
3:7d3b554bfdf1 2:0a3ab4856510 1:5cd961e4045d 
2:0a3ab4856510 0:2665aaee66e9 
1:5cd961e4045d 
0:2665aaee66e9 
% this should use bar@rev2 as the ancestor
resolving manifests
 overwrite None partial False
 ancestor 0a3ab4856510 local 2d2f9a22c82b+ remote 7d3b554bfdf1
 bar: versions differ -> m
merging bar
my bar@2d2f9a22c82b+ other bar@7d3b554bfdf1 ancestor bar@0a3ab4856510
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
% contents of bar should be line1 line2
line1
line2
   rev    offset  length   base linkrev nodeid       p1           p2
     0         0      77      0       2 da78c0659611 000000000000 000000000000
     1        77      76      0       3 4b358025380b 000000000000 da78c0659611
     2       153       7      2       4 4defe5eec418 da78c0659611 000000000000
     3       160      13      3       5 4663501da27b 4defe5eec418 4b358025380b


requesting all changes
adding changesets
adding manifests
adding file changes
added 3 changesets with 3 changes to 2 files (+1 heads)
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
merging foo and bar
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
% contents of bar should be line0 line1 line2
line0
line1
line2
   rev    offset  length   base linkrev nodeid       p1           p2
     0         0      77      0       2 da78c0659611 000000000000 000000000000
     1        77      76      0       3 4b358025380b 000000000000 da78c0659611
bar renamed from foo:9e25c27b87571a1edee5ae4dddee5687746cc8e2
   rev    offset  length   base linkrev nodeid       p1           p2
     0         0       7      0       0 690b295714ae 000000000000 000000000000
     1         7      13      1       1 9e25c27b8757 690b295714ae 000000000000
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
4:2d2f9a22c82b 2:0a3ab4856510 
3:96ab80c60897 1:5cd961e4045d 2:0a3ab4856510 
2:0a3ab4856510 0:2665aaee66e9 
1:5cd961e4045d 
0:2665aaee66e9 
% this should use bar@rev2 as the ancestor
resolving manifests
 overwrite None partial False
 ancestor 0a3ab4856510 local 2d2f9a22c82b+ remote 96ab80c60897
 bar: versions differ -> m
merging bar
my bar@2d2f9a22c82b+ other bar@96ab80c60897 ancestor bar@0a3ab4856510
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
% contents of bar should be line1 line2
line1
line2
   rev    offset  length   base linkrev nodeid       p1           p2
     0         0      77      0       2 da78c0659611 000000000000 000000000000
     1        77      76      0       3 4b358025380b 000000000000 da78c0659611
     2       153       7      2       4 4defe5eec418 da78c0659611 000000000000
     3       160      13      3       5 4663501da27b 4defe5eec418 4b358025380b