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diff: the -w option breaks --exit-code for --raw and other output modes

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The output from "--raw", "--name-status", and "--name-only" modes in
"git diff" does depend on and does not reflect how certain different
contents are considered equal, unlike "--patch" and "--stat" output
modes do, when used with options like "-w" (another way of thinking
about it is that it is not like we recompute the hash of the blob
after removing all whitespaces to show "git diff --raw -w" output).

But the fact that "--raw" and friends ignore "-w" is not a good
excuse for "diff --raw -w --exit-code" to also ignore the request to
report the differences with its exit status.  When run without "-w",
"git diff --exit-code --raw" does report with its exit status the
differences as requested, and we should do the same when run with
"-w", too.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2023-08-18 16:59:32 -07:00
parent 5626558e63
commit a64f8b2595
2 changed files with 12 additions and 2 deletions
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6
diff.c
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@@ -4744,6 +4744,10 @@ void diff_setup_done(struct diff_options *options)
else
options->prefix_length = 0;
/*
* --name-only, --name-status, --checkdiff, and -s
* turn other output format off.
*/
if (options->output_format & (DIFF_FORMAT_NAME |
DIFF_FORMAT_NAME_STATUS |
DIFF_FORMAT_CHECKDIFF |
@@ -6072,6 +6076,8 @@ static void flush_one_pair(struct diff_filepair *p, struct diff_options *opt)
fprintf(opt->file, "%s", diff_line_prefix(opt));
write_name_quoted(name_a, opt->file, opt->line_termination);
}
opt->found_changes = 1;
}
static void show_file_mode_name(struct diff_options *opt, const char *newdelete, struct diff_filespec *fs)