diff options
-rw-r--r-- | diff-lib.c | 8 | ||||
-rw-r--r-- | diff-no-index.c | 7 | ||||
-rw-r--r-- | diff.c | 125 | ||||
-rw-r--r-- | diff.h | 7 |
4 files changed, 118 insertions, 29 deletions
diff --git a/diff-lib.c b/diff-lib.c index b6f4b21637..f1a9053168 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -87,10 +87,12 @@ 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) @@ -137,8 +139,6 @@ 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; @@ -204,8 +204,6 @@ 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); diff --git a/diff-no-index.c b/diff-no-index.c index e66fdf33da..e301aafff9 100644 --- a/diff-no-index.c +++ b/diff-no-index.c @@ -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); @@ -3503,6 +3503,88 @@ static int parse_submodule_opt(struct diff_options *options, const char *value) return 1; } +static const char diff_status_letters[] = { + DIFF_STATUS_ADDED, + DIFF_STATUS_COPIED, + DIFF_STATUS_DELETED, + DIFF_STATUS_MODIFIED, + DIFF_STATUS_RENAMED, + DIFF_STATUS_TYPE_CHANGED, + DIFF_STATUS_UNKNOWN, + DIFF_STATUS_UNMERGED, + DIFF_STATUS_FILTER_AON, + DIFF_STATUS_FILTER_BROKEN, + '\0', +}; + +static unsigned int filter_bit['Z' + 1]; + +static void prepare_filter_bits(void) +{ + int i; + + if (!filter_bit[DIFF_STATUS_ADDED]) { + for (i = 0; diff_status_letters[i]; i++) + filter_bit[(int) diff_status_letters[i]] = (1 << i); + } +} + +static unsigned filter_bit_tst(char status, const struct diff_options *opt) +{ + return opt->filter & filter_bit[(int) status]; +} + +static int parse_diff_filter_opt(const char *optarg, struct diff_options *opt) +{ + int i, optch; + + prepare_filter_bits(); + + /* + * If there is a negation e.g. 'd' in the input, and we haven't + * initialized the filter field with another --diff-filter, start + * from full set of bits, except for AON. + */ + if (!opt->filter) { + for (i = 0; (optch = optarg[i]) != '\0'; i++) { + if (optch < 'a' || 'z' < optch) + continue; + opt->filter = (1 << (ARRAY_SIZE(diff_status_letters) - 1)) - 1; + opt->filter &= ~filter_bit[DIFF_STATUS_FILTER_AON]; + break; + } + } + + for (i = 0; (optch = optarg[i]) != '\0'; i++) { + unsigned int bit; + int negate; + + if ('a' <= optch && optch <= 'z') { + negate = 1; + optch = toupper(optch); + } else { + negate = 0; + } + + bit = (0 <= optch && optch <= 'Z') ? filter_bit[optch] : 0; + if (!bit) + return optarg[i]; + if (negate) + opt->filter &= ~bit; + else + opt->filter |= bit; + } + 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); +} + static void enable_patch_output(int *fmt) { *fmt &= ~DIFF_FORMAT_NO_OUTPUT; *fmt |= DIFF_FORMAT_PATCH; @@ -3732,7 +3814,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) return argcount; } else if ((argcount = parse_long_opt("diff-filter", av, &optarg))) { - options->filter = optarg; + int offending = parse_diff_filter_opt(optarg, options); + if (offending) + die("unknown change class '%c' in --diff-filter=%s", + offending, optarg); return argcount; } else if (!strcmp(arg, "--abbrev")) @@ -4524,27 +4609,32 @@ free_queue: } } -static void diffcore_apply_filter(const char *filter) +static int match_filter(const struct diff_options *options, const struct diff_filepair *p) +{ + return (((p->status == DIFF_STATUS_MODIFIED) && + ((p->score && + filter_bit_tst(DIFF_STATUS_FILTER_BROKEN, options)) || + (!p->score && + filter_bit_tst(DIFF_STATUS_MODIFIED, options)))) || + ((p->status != DIFF_STATUS_MODIFIED) && + filter_bit_tst(p->status, options))); +} + +static void diffcore_apply_filter(struct diff_options *options) { int i; struct diff_queue_struct *q = &diff_queued_diff; struct diff_queue_struct outq; + DIFF_QUEUE_CLEAR(&outq); - if (!filter) + if (!options->filter) return; - if (strchr(filter, DIFF_STATUS_FILTER_AON)) { + if (filter_bit_tst(DIFF_STATUS_FILTER_AON, options)) { int found; for (i = found = 0; !found && i < q->nr; i++) { - struct diff_filepair *p = q->queue[i]; - if (((p->status == DIFF_STATUS_MODIFIED) && - ((p->score && - strchr(filter, DIFF_STATUS_FILTER_BROKEN)) || - (!p->score && - strchr(filter, DIFF_STATUS_MODIFIED)))) || - ((p->status != DIFF_STATUS_MODIFIED) && - strchr(filter, p->status))) + if (match_filter(options, q->queue[i])) found++; } if (found) @@ -4562,14 +4652,7 @@ static void diffcore_apply_filter(const char *filter) /* Only the matching ones */ for (i = 0; i < q->nr; i++) { struct diff_filepair *p = q->queue[i]; - - if (((p->status == DIFF_STATUS_MODIFIED) && - ((p->score && - strchr(filter, DIFF_STATUS_FILTER_BROKEN)) || - (!p->score && - strchr(filter, DIFF_STATUS_MODIFIED)))) || - ((p->status != DIFF_STATUS_MODIFIED) && - strchr(filter, p->status))) + if (match_filter(options, p)) diff_q(&outq, p); else diff_free_filepair(p); @@ -4676,7 +4759,7 @@ void diffcore_std(struct diff_options *options) if (!options->found_follow) /* See try_to_follow_renames() in tree-diff.c */ diff_resolve_rename_copy(); - diffcore_apply_filter(options->filter); + diffcore_apply_filter(options); if (diff_queued_diff.nr && !DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) DIFF_OPT_SET(options, HAS_CHANGES); @@ -103,12 +103,15 @@ enum diff_words_type { }; struct diff_options { - const char *filter; const char *orderfile; const char *pickaxe; const char *single_follow; const char *a_prefix, *b_prefix; unsigned flags; + + /* diff-filter bits */ + unsigned int filter; + int use_color; int context; int interhunkcontext; @@ -338,6 +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 *); |