On Tue, Sep 24, 2013 at 10:00:30AM +0100, Luke Noel-Storr wrote:
> I'm trying to use the diff-algorithm option for recursive merge, but
> get the above error. I've tried various different ways of specifying
> the option, but none work.
>
> To try and find what the correct syntax is I tried peeping into the
> source code, and it looks like it may actually be an error in the
> code.
>
> This is from merge-recursive.c line 2072:
>
> else if (!strcmp(s, "diff-algorithm=")) {
> long value = parse_algorithm_value(s+15);
> if (value < 0)
> return -1;
> /* clear out previous settings */
> DIFF_XDL_CLR(o, NEED_MINIMAL);
> o->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
> o->xdl_opts |= value;
> }
>
> I believe !strcmp(s, "diff-algorithm=") should actually be !prefixcmp(s,
> "diff-algorithm=")
>
> Could someone confirm this is a bug, and is there any other way I can specify
> the diff algorithm?
I think you're right - this should be prefixcmp.
The simplest thing to do would be to patch it locally and run your own
build - Git's Makefile installs in your home directory by default, so
providing $HOME/bin is on your path, "make install" will just give you
something that works.
Of course, you should then submit the patch here ;-)
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