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diff: deprecate -q option to diff-files 

This reimplements the ancient "-q" option to "git diff-files" that
was inherited from "show-diff -q" in terms of "--diff-filter=d".  We
will be deprecating the "-q" option, so let's issue a warning when
we do so.

Incidentally this also tentatively fixes "git diff --no-index" to
honor "-q" and hide deletions; the use will get the same warning.

We should remove the support for "-q" in a future version but it is
not that urgent.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2013-07-17 17:18:32 -07:00
parent 7f2ea5f0f2
commit 95a7c546b0
4 changed files with 18 additions and 7 deletions
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8
diff-lib.c
View File

@ -86,10 +86,12 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
{
int entries, i;
int diff_unmerged_stage = revs->max_count;
int silent_on_removed = option & DIFF_SILENT_ON_REMOVED;
unsigned ce_option = ((option & DIFF_RACY_IS_MODIFIED)
? CE_MATCH_RACY_IS_DIRTY : 0);
if (option & DIFF_SILENT_ON_REMOVED)
handle_deprecated_show_diff_q(&revs->diffopt);
diff_set_mnemonic_prefix(&revs->diffopt, "i/", "w/");
if (diff_unmerged_stage < 0)
@ -136,8 +138,6 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
perror(ce->name);
continue;
}
if (silent_on_removed)
continue;
wt_mode = 0;
}
dpath->mode = wt_mode;
@ -203,8 +203,6 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
perror(ce->name);
continue;
}
if (silent_on_removed)
continue;
diff_addremove(&revs->diffopt, '-', ce->ce_mode,
ce->sha1, !is_null_sha1(ce->sha1),
ce->name, 0);

7
diff-no-index.c
View File

@ -187,7 +187,7 @@ void diff_no_index(struct rev_info *revs,
{
int i, prefixlen;
int no_index = 0;
unsigned options = 0;
unsigned deprecated_show_diff_q_option_used = 0;
const char *paths[2];
/* Were we asked to do --no-index explicitly? */
@ -225,7 +225,7 @@ void diff_no_index(struct rev_info *revs,
if (!strcmp(argv[i], "--no-index"))
i++;
else if (!strcmp(argv[i], "-q")) {
options |= DIFF_SILENT_ON_REMOVED;
deprecated_show_diff_q_option_used = 1;
i++;
}
else if (!strcmp(argv[i], "--"))
@ -260,6 +260,9 @@ void diff_no_index(struct rev_info *revs,
revs->max_count = -2;
diff_setup_done(&revs->diffopt);
if (deprecated_show_diff_q_option_used)
handle_deprecated_show_diff_q(&revs->diffopt);
setup_diff_pager(&revs->diffopt);
DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS);

8
diff.c
View File

@ -3570,6 +3570,14 @@ static int parse_diff_filter_opt(const char *optarg, struct diff_options *opt)
return 0;
}
/* Used only by "diff-files" and "diff --no-index" */
void handle_deprecated_show_diff_q(struct diff_options *opt)
{
warning("'diff -q' and 'diff-files -q' are deprecated.");
warning("Use 'diff --diff-filter=d' instead to ignore deleted filepairs.");
parse_diff_filter_opt("d", opt);
}
int diff_opt_parse(struct diff_options *options, const char **av, int ac)
{
const char *arg = av[0];

2
diff.h
View File

@ -341,6 +341,8 @@ extern int parse_rename_score(const char **cp_p);
extern long parse_algorithm_value(const char *value);
extern void handle_deprecated_show_diff_q(struct diff_options *);
extern int print_stat_summary(FILE *fp, int files,
int insertions, int deletions);
extern void setup_diff_pager(struct diff_options *);