Karl Tomlinson wrote:
>
> Karl Tomlinson wrote:
> >
> > 2&3)
> >
> > Both depend on a difference between files that can be represented
> > by more than one minimal hunk.
> >
> > An example is
> >
> > Difference A:
> >
> > 1 2
> >
> > x y
> > m m
> > x y
> > m
> > y
> >
> > Does the m in file 1 match the first or second m in file 2?
> >
> > The logic in diag and compareseq is not consistent in analyze.c.
> > The match selected depends on where in the file this difference occurs
> > and on the surrounding differences.
> >
>
> It seems more complicated than I thought. I haven't been able to
> come up with any examples based on differences such as this or
> variations.
I finally had some success with
Difference B:
1 2
s s
x m1
m1 m2
m2 s
m1
x
m2
s
diff can produce hunks with either the first or second
m1 and m2 in file 1 matching in file 2.
File 2 must be the common file to produce conflicts.
So I recommend as a test example for configuration 2) of
http://www.mail-archive.com/bug-cvs%40gnu.org/msg00803.html
M:
v
s
x
m1
m2
m1
x
m2
s
v
s
m1
x
m2
m1
m2
x
s
v
O:
s
x
m1
m2
m1
x
m2
s
v
s
x
m1
x
m2
m1
m2
x
s
Y:
s
m1
m2
s
v
s
m1
m2
s
I tested this with diffutils diff3 version 2.7 and it produced conflicts.
No conflicts with older as the common file.
The prepatch cvs analyze.c is slightly different to diffutils (in shift_boundaries).
I haven't tried it but suspect that the conflicts will most likely still occur.
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