diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 61 |
1 files changed, 59 insertions, 2 deletions
@@ -73,9 +73,15 @@ static int parse_dirstat_params(struct diff_options *options, const char *params while (*p) { if (!prefixcmp(p, "changes")) { p += 7; + DIFF_OPT_CLR(options, DIRSTAT_BY_LINE); + DIFF_OPT_CLR(options, DIRSTAT_BY_FILE); + } else if (!prefixcmp(p, "lines")) { + p += 5; + DIFF_OPT_SET(options, DIRSTAT_BY_LINE); DIFF_OPT_CLR(options, DIRSTAT_BY_FILE); } else if (!prefixcmp(p, "files")) { p += 5; + DIFF_OPT_CLR(options, DIRSTAT_BY_LINE); DIFF_OPT_SET(options, DIRSTAT_BY_FILE); } else if (!prefixcmp(p, "noncumulative")) { p += 13; @@ -1671,6 +1677,50 @@ found_damage: gather_dirstat(options, &dir, changed, "", 0); } +static void show_dirstat_by_line(struct diffstat_t *data, struct diff_options *options) +{ + int i; + unsigned long changed; + struct dirstat_dir dir; + + if (data->nr == 0) + return; + + dir.files = NULL; + dir.alloc = 0; + dir.nr = 0; + dir.permille = options->dirstat_permille; + dir.cumulative = DIFF_OPT_TST(options, DIRSTAT_CUMULATIVE); + + changed = 0; + for (i = 0; i < data->nr; i++) { + struct diffstat_file *file = data->files[i]; + unsigned long damage = file->added + file->deleted; + if (file->is_binary) + /* + * binary files counts bytes, not lines. Must find some + * way to normalize binary bytes vs. textual lines. + * The following heuristic assumes that there are 64 + * bytes per "line". + * This is stupid and ugly, but very cheap... + */ + damage = (damage + 63) / 64; + ALLOC_GROW(dir.files, dir.nr + 1, dir.alloc); + dir.files[dir.nr].name = file->name; + dir.files[dir.nr].changed = damage; + changed += damage; + dir.nr++; + } + + /* This can happen even with many files, if everything was renames */ + if (!changed) + return; + + /* Show all directories with more than x% of the changes */ + qsort(dir.files, dir.nr, sizeof(dir.files[0]), dirstat_compare); + gather_dirstat(options, &dir, changed, "", 0); +} + static void free_diffstat_info(struct diffstat_t *diffstat) { int i; @@ -4088,6 +4138,7 @@ void diff_flush(struct diff_options *options) struct diff_queue_struct *q = &diff_queued_diff; int i, output_format = options->output_format; int separator = 0; + int dirstat_by_line = 0; /* * Order: raw, stat, summary, patch @@ -4108,7 +4159,11 @@ void diff_flush(struct diff_options *options) separator++; } - if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_SHORTSTAT|DIFF_FORMAT_NUMSTAT)) { + if (output_format & DIFF_FORMAT_DIRSTAT && DIFF_OPT_TST(options, DIRSTAT_BY_LINE)) + dirstat_by_line = 1; + + if (output_format & (DIFF_FORMAT_DIFFSTAT|DIFF_FORMAT_SHORTSTAT|DIFF_FORMAT_NUMSTAT) || + dirstat_by_line) { struct diffstat_t diffstat; memset(&diffstat, 0, sizeof(struct diffstat_t)); @@ -4123,10 +4178,12 @@ void diff_flush(struct diff_options *options) show_stats(&diffstat, options); if (output_format & DIFF_FORMAT_SHORTSTAT) show_shortstats(&diffstat, options); + if (output_format & DIFF_FORMAT_DIRSTAT) + show_dirstat_by_line(&diffstat, options); free_diffstat_info(&diffstat); separator++; } - if (output_format & DIFF_FORMAT_DIRSTAT) + if ((output_format & DIFF_FORMAT_DIRSTAT) && !dirstat_by_line) show_dirstat(options); if (output_format & DIFF_FORMAT_SUMMARY && !is_summary_empty(q)) { |