diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 200 |
1 files changed, 147 insertions, 53 deletions
@@ -490,6 +490,13 @@ static void emit_rewrite_diff(const char *name_a, char *data_one, *data_two; size_t size_one, size_two; struct emit_callback ecbdata; + char *line_prefix = ""; + struct strbuf *msgbuf; + + if (o && o->output_prefix) { + msgbuf = o->output_prefix(o, o->output_prefix_data); + line_prefix = msgbuf->buf; + } if (diff_mnemonic_prefix && DIFF_OPT_TST(o, REVERSE_DIFF)) { a_prefix = o->b_prefix; @@ -531,9 +538,10 @@ static void emit_rewrite_diff(const char *name_a, lc_a = count_lines(data_one, size_one); lc_b = count_lines(data_two, size_two); fprintf(o->file, - "%s--- %s%s%s\n%s+++ %s%s%s\n%s@@ -", - metainfo, a_name.buf, name_a_tab, reset, - metainfo, b_name.buf, name_b_tab, reset, fraginfo); + "%s%s--- %s%s%s\n%s%s+++ %s%s%s\n%s%s@@ -", + line_prefix, metainfo, a_name.buf, name_a_tab, reset, + line_prefix, metainfo, b_name.buf, name_b_tab, reset, + line_prefix, fraginfo); print_line_count(o->file, lc_a); fprintf(o->file, " +"); print_line_count(o->file, lc_b); @@ -846,6 +854,14 @@ static void fn_out_consume(void *priv, char *line, unsigned long len) const char *meta = diff_get_color(ecbdata->color_diff, DIFF_METAINFO); const char *plain = diff_get_color(ecbdata->color_diff, DIFF_PLAIN); const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET); + struct diff_options *o = ecbdata->opt; + char *line_prefix = ""; + struct strbuf *msgbuf; + + if (o && o->output_prefix) { + msgbuf = o->output_prefix(o, o->output_prefix_data); + line_prefix = msgbuf->buf; + } if (ecbdata->header) { fprintf(ecbdata->opt->file, "%s", ecbdata->header->buf); @@ -860,10 +876,10 @@ static void fn_out_consume(void *priv, char *line, unsigned long len) name_a_tab = strchr(ecbdata->label_path[0], ' ') ? "\t" : ""; name_b_tab = strchr(ecbdata->label_path[1], ' ') ? "\t" : ""; - fprintf(ecbdata->opt->file, "%s--- %s%s%s\n", - meta, ecbdata->label_path[0], reset, name_a_tab); - fprintf(ecbdata->opt->file, "%s+++ %s%s%s\n", - meta, ecbdata->label_path[1], reset, name_b_tab); + fprintf(ecbdata->opt->file, "%s%s--- %s%s%s\n", + line_prefix, meta, ecbdata->label_path[0], reset, name_a_tab); + fprintf(ecbdata->opt->file, "%s%s+++ %s%s%s\n", + line_prefix, meta, ecbdata->label_path[1], reset, name_b_tab); ecbdata->label_path[0] = ecbdata->label_path[1] = NULL; } @@ -1100,10 +1116,17 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) int total_files = data->nr; int width, name_width; const char *reset, *set, *add_c, *del_c; + const char *line_prefix = ""; + struct strbuf *msg = NULL; if (data->nr == 0) return; + if (options->output_prefix) { + msg = options->output_prefix(options, options->output_prefix_data); + line_prefix = msg->buf; + } + width = options->stat_width ? options->stat_width : 80; name_width = options->stat_name_width ? options->stat_name_width : 50; @@ -1173,6 +1196,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) } if (data->files[i]->is_binary) { + fprintf(options->file, "%s", line_prefix); show_name(options->file, prefix, name, len); fprintf(options->file, " Bin "); fprintf(options->file, "%s%"PRIuMAX"%s", @@ -1185,6 +1209,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) continue; } else if (data->files[i]->is_unmerged) { + fprintf(options->file, "%s", line_prefix); show_name(options->file, prefix, name, len); fprintf(options->file, " Unmerged\n"); continue; @@ -1207,6 +1232,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) add = scale_linear(add, width, max_change); del = scale_linear(del, width, max_change); } + fprintf(options->file, "%s", line_prefix); show_name(options->file, prefix, name, len); fprintf(options->file, "%5"PRIuMAX"%s", added + deleted, added + deleted ? " " : ""); @@ -1214,6 +1240,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options) show_graph(options->file, '-', del, del_c, reset); fprintf(options->file, "\n"); } + fprintf(options->file, "%s", line_prefix); fprintf(options->file, " %d files changed, %d insertions(+), %d deletions(-)\n", total_files, adds, dels); @@ -1240,6 +1267,12 @@ static void show_shortstats(struct diffstat_t *data, struct diff_options *option } } } + if (options->output_prefix) { + struct strbuf *msg = NULL; + msg = options->output_prefix(options, + options->output_prefix_data); + fprintf(options->file, "%s", msg->buf); + } fprintf(options->file, " %d files changed, %d insertions(+), %d deletions(-)\n", total_files, adds, dels); } @@ -1254,6 +1287,13 @@ static void show_numstat(struct diffstat_t *data, struct diff_options *options) for (i = 0; i < data->nr; i++) { struct diffstat_file *file = data->files[i]; + if (options->output_prefix) { + struct strbuf *msg = NULL; + msg = options->output_prefix(options, + options->output_prefix_data); + fprintf(options->file, "%s", msg->buf); + } + if (file->is_binary) fprintf(options->file, "-\t-\t"); else @@ -1289,10 +1329,18 @@ struct dirstat_dir { int alloc, nr, percent, cumulative; }; -static long gather_dirstat(FILE *file, struct dirstat_dir *dir, unsigned long changed, const char *base, int baselen) +static long gather_dirstat(struct diff_options *opt, struct dirstat_dir *dir, + unsigned long changed, const char *base, int baselen) { unsigned long this_dir = 0; unsigned int sources = 0; + const char *line_prefix = ""; + struct strbuf *msg = NULL; + + if (opt->output_prefix) { + msg = opt->output_prefix(opt, opt->output_prefix_data); + line_prefix = msg->buf; + } while (dir->nr) { struct dirstat_file *f = dir->files; @@ -1307,7 +1355,7 @@ static long gather_dirstat(FILE *file, struct dirstat_dir *dir, unsigned long ch slash = strchr(f->name + baselen, '/'); if (slash) { int newbaselen = slash + 1 - f->name; - this = gather_dirstat(file, dir, changed, f->name, newbaselen); + this = gather_dirstat(opt, dir, changed, f->name, newbaselen); sources++; } else { this = f->changed; @@ -1329,7 +1377,8 @@ static long gather_dirstat(FILE *file, struct dirstat_dir *dir, unsigned long ch if (permille) { int percent = permille / 10; if (percent >= dir->percent) { - fprintf(file, "%4d.%01d%% %.*s\n", percent, permille % 10, baselen, base); + fprintf(opt->file, "%s%4d.%01d%% %.*s\n", line_prefix, + percent, permille % 10, baselen, base); if (!dir->cumulative) return 0; } @@ -1409,7 +1458,7 @@ static void show_dirstat(struct diff_options *options) /* Show all directories with more than x% of the changes */ qsort(dir.files, dir.nr, sizeof(dir.files[0]), dirstat_compare); - gather_dirstat(options->file, &dir, changed, "", 0); + gather_dirstat(options, &dir, changed, "", 0); } static void free_diffstat_info(struct diffstat_t *diffstat) @@ -1467,6 +1516,15 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len) const char *reset = diff_get_color(color_diff, DIFF_RESET); const char *set = diff_get_color(color_diff, DIFF_FILE_NEW); char *err; + char *line_prefix = ""; + struct strbuf *msgbuf; + + assert(data->o); + if (data->o->output_prefix) { + msgbuf = data->o->output_prefix(data->o, + data->o->output_prefix_data); + line_prefix = msgbuf->buf; + } if (line[0] == '+') { unsigned bad; @@ -1474,16 +1532,16 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len) if (is_conflict_marker(line + 1, marker_size, len - 1)) { data->status |= 1; fprintf(data->o->file, - "%s:%d: leftover conflict marker\n", - data->filename, data->lineno); + "%s%s:%d: leftover conflict marker\n", + line_prefix, data->filename, data->lineno); } bad = ws_check(line + 1, len - 1, data->ws_rule); if (!bad) return; data->status |= bad; err = whitespace_error_string(bad); - fprintf(data->o->file, "%s:%d: %s.\n", - data->filename, data->lineno, err); + fprintf(data->o->file, "%s%s:%d: %s.\n", + line_prefix, data->filename, data->lineno, err); free(err); emit_line(data->o, set, reset, line, 1); ws_check_emit(line + 1, len - 1, data->ws_rule, @@ -1523,7 +1581,7 @@ static unsigned char *deflate_it(char *data, return deflated; } -static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two) +static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two, char *prefix) { void *cp; void *delta; @@ -1552,13 +1610,13 @@ static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two) } if (delta && delta_size < deflate_size) { - fprintf(file, "delta %lu\n", orig_size); + fprintf(file, "%sdelta %lu\n", prefix, orig_size); free(deflated); data = delta; data_size = delta_size; } else { - fprintf(file, "literal %lu\n", two->size); + fprintf(file, "%sliteral %lu\n", prefix, two->size); free(delta); data = deflated; data_size = deflate_size; @@ -1576,18 +1634,19 @@ static void emit_binary_diff_body(FILE *file, mmfile_t *one, mmfile_t *two) line[0] = bytes - 26 + 'a' - 1; encode_85(line + 1, cp, bytes); cp = (char *) cp + bytes; + fprintf(file, "%s", prefix); fputs(line, file); fputc('\n', file); } - fprintf(file, "\n"); + fprintf(file, "%s\n", prefix); free(data); } -static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two) +static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two, char *prefix) { - fprintf(file, "GIT binary patch\n"); - emit_binary_diff_body(file, one, two); - emit_binary_diff_body(file, two, one); + fprintf(file, "%sGIT binary patch\n", prefix); + emit_binary_diff_body(file, one, two, prefix); + emit_binary_diff_body(file, two, one, prefix); } static void diff_filespec_load_driver(struct diff_filespec *one) @@ -1676,6 +1735,13 @@ static void builtin_diff(const char *name_a, struct userdiff_driver *textconv_one = NULL; struct userdiff_driver *textconv_two = NULL; struct strbuf header = STRBUF_INIT; + struct strbuf *msgbuf; + char *line_prefix = ""; + + if (o->output_prefix) { + msgbuf = o->output_prefix(o, o->output_prefix_data); + line_prefix = msgbuf->buf; + } if (DIFF_OPT_TST(o, SUBMODULE_LOG) && (!one->mode || S_ISGITLINK(one->mode)) && @@ -1710,22 +1776,22 @@ static void builtin_diff(const char *name_a, b_two = quote_two(b_prefix, name_b + (*name_b == '/')); lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null"; lbl[1] = DIFF_FILE_VALID(two) ? b_two : "/dev/null"; - strbuf_addf(&header, "%sdiff --git %s %s%s\n", set, a_one, b_two, reset); + strbuf_addf(&header, "%s%sdiff --git %s %s%s\n", line_prefix, set, a_one, b_two, reset); if (lbl[0][0] == '/') { /* /dev/null */ - strbuf_addf(&header, "%snew file mode %06o%s\n", set, two->mode, reset); + strbuf_addf(&header, "%s%snew file mode %06o%s\n", line_prefix, set, two->mode, reset); if (xfrm_msg && xfrm_msg[0]) strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset); } else if (lbl[1][0] == '/') { - strbuf_addf(&header, "%sdeleted file mode %06o%s\n", set, one->mode, reset); + strbuf_addf(&header, "%s%sdeleted file mode %06o%s\n", line_prefix, set, one->mode, reset); if (xfrm_msg && xfrm_msg[0]) strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset); } else { if (one->mode != two->mode) { - strbuf_addf(&header, "%sold mode %06o%s\n", set, one->mode, reset); - strbuf_addf(&header, "%snew mode %06o%s\n", set, two->mode, reset); + strbuf_addf(&header, "%s%sold mode %06o%s\n", line_prefix, set, one->mode, reset); + strbuf_addf(&header, "%s%snew mode %06o%s\n", line_prefix, set, two->mode, reset); } if (xfrm_msg && xfrm_msg[0]) strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset); @@ -1760,10 +1826,10 @@ static void builtin_diff(const char *name_a, fprintf(o->file, "%s", header.buf); strbuf_reset(&header); if (DIFF_OPT_TST(o, BINARY)) - emit_binary_diff(o->file, &mf1, &mf2); + emit_binary_diff(o->file, &mf1, &mf2, line_prefix); else - fprintf(o->file, "Binary files %s and %s differ\n", - lbl[0], lbl[1]); + fprintf(o->file, "%sBinary files %s and %s differ\n", + line_prefix, lbl[0], lbl[1]); o->found_changes = 1; } else { @@ -2389,28 +2455,36 @@ static void fill_metainfo(struct strbuf *msg, struct diff_options *o, struct diff_filepair *p) { + struct strbuf *msgbuf; + char *line_prefix = ""; + + if (o->output_prefix) { + msgbuf = o->output_prefix(o, o->output_prefix_data); + line_prefix = msgbuf->buf; + } + strbuf_init(msg, PATH_MAX * 2 + 300); switch (p->status) { case DIFF_STATUS_COPIED: - strbuf_addf(msg, "similarity index %d%%", similarity_index(p)); - strbuf_addstr(msg, "\ncopy from "); + strbuf_addf(msg, "%ssimilarity index %d%%", line_prefix, similarity_index(p)); + strbuf_addf(msg, "\n%scopy from ", line_prefix); quote_c_style(name, msg, NULL, 0); - strbuf_addstr(msg, "\ncopy to "); + strbuf_addf(msg, "\n%scopy to ", line_prefix); quote_c_style(other, msg, NULL, 0); strbuf_addch(msg, '\n'); break; case DIFF_STATUS_RENAMED: - strbuf_addf(msg, "similarity index %d%%", similarity_index(p)); - strbuf_addstr(msg, "\nrename from "); + strbuf_addf(msg, "%ssimilarity index %d%%", line_prefix, similarity_index(p)); + strbuf_addf(msg, "\n%srename from ", line_prefix); quote_c_style(name, msg, NULL, 0); - strbuf_addstr(msg, "\nrename to "); + strbuf_addf(msg, "\n%srename to ", line_prefix); quote_c_style(other, msg, NULL, 0); strbuf_addch(msg, '\n'); break; case DIFF_STATUS_MODIFIED: if (p->score) { - strbuf_addf(msg, "dissimilarity index %d%%\n", - similarity_index(p)); + strbuf_addf(msg, "%sdissimilarity index %d%%\n", + line_prefix, similarity_index(p)); break; } /* fallthru */ @@ -2427,8 +2501,8 @@ static void fill_metainfo(struct strbuf *msg, (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two))) abbrev = 40; } - strbuf_addf(msg, "index %.*s..%.*s", - abbrev, sha1_to_hex(one->sha1), + strbuf_addf(msg, "%sindex %.*s..%.*s", + line_prefix, abbrev, sha1_to_hex(one->sha1), abbrev, sha1_to_hex(two->sha1)); if (one->mode == two->mode) strbuf_addf(msg, " %06o", one->mode); @@ -3132,6 +3206,11 @@ static void diff_flush_raw(struct diff_filepair *p, struct diff_options *opt) { int line_termination = opt->line_termination; int inter_name_termination = line_termination ? '\t' : '\0'; + if (opt->output_prefix) { + struct strbuf *msg = NULL; + msg = opt->output_prefix(opt, opt->output_prefix_data); + fprintf(opt->file, "%s", msg->buf); + } if (!(opt->output_format & DIFF_FORMAT_NAME_STATUS)) { fprintf(opt->file, ":%06o %06o %s ", p->one->mode, p->two->mode, @@ -3377,48 +3456,62 @@ static void show_file_mode_name(FILE *file, const char *newdelete, struct diff_f } -static void show_mode_change(FILE *file, struct diff_filepair *p, int show_name) +static void show_mode_change(FILE *file, struct diff_filepair *p, int show_name, + const char *line_prefix) { if (p->one->mode && p->two->mode && p->one->mode != p->two->mode) { - fprintf(file, " mode change %06o => %06o%c", p->one->mode, p->two->mode, - show_name ? ' ' : '\n'); + fprintf(file, "%s mode change %06o => %06o%c", line_prefix, p->one->mode, + p->two->mode, show_name ? ' ' : '\n'); if (show_name) { write_name_quoted(p->two->path, file, '\n'); } } } -static void show_rename_copy(FILE *file, const char *renamecopy, struct diff_filepair *p) +static void show_rename_copy(FILE *file, const char *renamecopy, struct diff_filepair *p, + const char *line_prefix) { char *names = pprint_rename(p->one->path, p->two->path); fprintf(file, " %s %s (%d%%)\n", renamecopy, names, similarity_index(p)); free(names); - show_mode_change(file, p, 0); + show_mode_change(file, p, 0, line_prefix); } -static void diff_summary(FILE *file, struct diff_filepair *p) +static void diff_summary(struct diff_options *opt, struct diff_filepair *p) { + FILE *file = opt->file; + char *line_prefix = ""; + + if (opt->output_prefix) { + struct strbuf *buf = opt->output_prefix(opt, opt->output_prefix_data); + line_prefix = buf->buf; + } + switch(p->status) { case DIFF_STATUS_DELETED: + fputs(line_prefix, file); show_file_mode_name(file, "delete", p->one); break; case DIFF_STATUS_ADDED: + fputs(line_prefix, file); show_file_mode_name(file, "create", p->two); break; case DIFF_STATUS_COPIED: - show_rename_copy(file, "copy", p); + fputs(line_prefix, file); + show_rename_copy(file, "copy", p, line_prefix); break; case DIFF_STATUS_RENAMED: - show_rename_copy(file, "rename", p); + fputs(line_prefix, file); + show_rename_copy(file, "rename", p, line_prefix); break; default: if (p->score) { - fputs(" rewrite ", file); + fprintf(file, "%s rewrite ", line_prefix); write_name_quoted(p->two->path, file, ' '); fprintf(file, "(%d%%)\n", similarity_index(p)); } - show_mode_change(file, p, !p->score); + show_mode_change(file, p, !p->score, line_prefix); break; } } @@ -3627,8 +3720,9 @@ void diff_flush(struct diff_options *options) show_dirstat(options); if (output_format & DIFF_FORMAT_SUMMARY && !is_summary_empty(q)) { - for (i = 0; i < q->nr; i++) - diff_summary(options->file, q->queue[i]); + for (i = 0; i < q->nr; i++) { + diff_summary(options, q->queue[i]); + } separator++; } |