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diff: allow unstuck arguments with --diff-algorithm

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The argument to --diff-algorithm is mandatory, so there is no reason to
require the argument to be stuck to the option with '='.  Change this
for consistency with other Git commands.

Note that this does not change the handling of diff-algorithm in
merge-recursive.c since the primary interface to that is via the -X
option to 'git merge' where the unstuck form does not make sense.

Signed-off-by: John Keeping <john@keeping.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
John Keeping 2013-04-05 13:19:14 +01:00 committed by Junio C Hamano
parent 4db4f0fba4
commit 0895c6d4c0
1 changed files with 3 additions and 2 deletions
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diff.c
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@ -3634,8 +3634,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
else if (!strcmp(arg, "--histogram"))
options->xdl_opts = DIFF_WITH_ALG(options, HISTOGRAM_DIFF);
else if (!prefixcmp(arg, "--diff-algorithm=")) {
long value = parse_algorithm_value(arg+17);
else if ((argcount = parse_long_opt("diff-algorithm", av, &optarg))) {
long value = parse_algorithm_value(optarg);
if (value < 0)
return error("option diff-algorithm accepts \"myers\", "
"\"minimal\", \"patience\" and \"histogram\"");
@ -3643,6 +3643,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
DIFF_XDL_CLR(options, NEED_MINIMAL);
options->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
options->xdl_opts |= value;
return argcount;
}
/* flags options */