X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=diff.c;h=f91f256c56e5e4be0b3f162695e1d35e63124569;hb=0a2bb55848c031f431d8507d0083247ece126b8f;hp=f31c7211683802844f9aab3e86105695a17f79e5;hpb=877f23ccb88227203f2576abdfb5d1c15925fcb3;p=git.git diff --git a/diff.c b/diff.c index f31c72116..f91f256c5 100644 --- a/diff.c +++ b/diff.c @@ -94,32 +94,37 @@ static int parse_lldiff_command(const char *var, const char *ep, const char *val * to define a customized regexp to find the beginning of a function to * be used for hunk header lines of "diff -p" style output. */ -static struct funcname_pattern { +struct funcname_pattern_entry { char *name; char *pattern; - struct funcname_pattern *next; + int cflags; +}; +static struct funcname_pattern_list { + struct funcname_pattern_list *next; + struct funcname_pattern_entry e; } *funcname_pattern_list; -static int parse_funcname_pattern(const char *var, const char *ep, const char *value) +static int parse_funcname_pattern(const char *var, const char *ep, const char *value, int cflags) { const char *name; int namelen; - struct funcname_pattern *pp; + struct funcname_pattern_list *pp; name = var + 5; /* "diff." */ namelen = ep - name; for (pp = funcname_pattern_list; pp; pp = pp->next) - if (!strncmp(pp->name, name, namelen) && !pp->name[namelen]) + if (!strncmp(pp->e.name, name, namelen) && !pp->e.name[namelen]) break; if (!pp) { pp = xcalloc(1, sizeof(*pp)); - pp->name = xmemdupz(name, namelen); + pp->e.name = xmemdupz(name, namelen); pp->next = funcname_pattern_list; funcname_pattern_list = pp; } - free(pp->pattern); - pp->pattern = xstrdup(value); + free(pp->e.pattern); + pp->e.pattern = xstrdup(value); + pp->e.cflags = cflags; return 0; } @@ -131,10 +136,6 @@ static int parse_funcname_pattern(const char *var, const char *ep, const char *v */ int git_diff_ui_config(const char *var, const char *value, void *cb) { - if (!strcmp(var, "diff.renamelimit")) { - diff_rename_limit_default = git_config_int(var, value); - return 0; - } if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) { diff_use_color_default = git_config_colorbool(var, value, -1); return 0; @@ -153,12 +154,8 @@ int git_diff_ui_config(const char *var, const char *value, void *cb) diff_auto_refresh_index = git_config_bool(var, value); return 0; } - if (!strcmp(var, "diff.external")) { - if (!value) - return config_error_nonbool(var); - external_diff_cmd_cfg = xstrdup(value); - return 0; - } + if (!strcmp(var, "diff.external")) + return git_config_string(&external_diff_cmd_cfg, var, value); if (!prefixcmp(var, "diff.")) { const char *ep = strrchr(var, '.'); @@ -171,6 +168,11 @@ int git_diff_ui_config(const char *var, const char *value, void *cb) int git_diff_basic_config(const char *var, const char *value, void *cb) { + if (!strcmp(var, "diff.renamelimit")) { + diff_rename_limit_default = git_config_int(var, value); + return 0; + } + if (!prefixcmp(var, "diff.color.") || !prefixcmp(var, "color.diff.")) { int slot = parse_diff_color_slot(var, 11); if (!value) @@ -185,7 +187,13 @@ int git_diff_basic_config(const char *var, const char *value, void *cb) if (!strcmp(ep, ".funcname")) { if (!value) return config_error_nonbool(var); - return parse_funcname_pattern(var, ep, value); + return parse_funcname_pattern(var, ep, value, + 0); + } else if (!strcmp(ep, ".xfuncname")) { + if (!value) + return config_error_nonbool(var); + return parse_funcname_pattern(var, ep, value, + REG_EXTENDED); } } } @@ -514,13 +522,20 @@ const char *diff_get_color(int diff_use_color, enum color_diff ix) static void emit_line(FILE *file, const char *set, const char *reset, const char *line, int len) { - int has_trailing_newline = (len > 0 && line[len-1] == '\n'); + int has_trailing_newline, has_trailing_carriage_return; + + has_trailing_newline = (len > 0 && line[len-1] == '\n'); if (has_trailing_newline) len--; + has_trailing_carriage_return = (len > 0 && line[len-1] == '\r'); + if (has_trailing_carriage_return) + len--; fputs(set, file); fwrite(line, len, 1, file); fputs(reset, file); + if (has_trailing_carriage_return) + fputc('\r', file); if (has_trailing_newline) fputc('\n', file); } @@ -830,12 +845,12 @@ static void show_stats(struct diffstat_t* data, struct diff_options *options) /* Sanity: give at least 5 columns to the graph, * but leave at least 10 columns for the name. */ - if (width < name_width + 15) { - if (name_width <= 25) - width = name_width + 15; - else - name_width = width - 15; - } + if (width < 25) + width = 25; + if (name_width < 10) + name_width = 10; + else if (width < name_width + 15) + name_width = width - 15; /* Find the longest filename and max number of changes */ reset = diff_get_color_opt(options, DIFF_RESET); @@ -1057,6 +1072,13 @@ static long gather_dirstat(FILE *file, struct dirstat_dir *dir, unsigned long ch return this_dir; } +static int dirstat_compare(const void *_a, const void *_b) +{ + const struct dirstat_file *a = _a; + const struct dirstat_file *b = _b; + return strcmp(a->name, b->name); +} + static void show_dirstat(struct diff_options *options) { int i; @@ -1068,7 +1090,7 @@ static void show_dirstat(struct diff_options *options) dir.alloc = 0; dir.nr = 0; dir.percent = options->dirstat_percent; - dir.cumulative = options->output_format & DIFF_FORMAT_CUMULATIVE; + dir.cumulative = DIFF_OPT_TST(options, DIRSTAT_CUMULATIVE); changed = 0; for (i = 0; i < q->nr; i++) { @@ -1116,6 +1138,7 @@ static void show_dirstat(struct diff_options *options) 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->file, &dir, changed, "", 0); } @@ -1143,6 +1166,35 @@ struct checkdiff_t { int trailing_blanks_start; }; +static int is_conflict_marker(const char *line, unsigned long len) +{ + char firstchar; + int cnt; + + if (len < 8) + return 0; + firstchar = line[0]; + switch (firstchar) { + case '=': case '>': case '<': + break; + default: + return 0; + } + for (cnt = 1; cnt < 7; cnt++) + if (line[cnt] != firstchar) + return 0; + /* line[0] thru line[6] are same as firstchar */ + if (firstchar == '=') { + /* divider between ours and theirs? */ + if (len != 8 || line[7] != '\n') + return 0; + } else if (len < 8 || !isspace(line[7])) { + /* not divider before ours nor after theirs */ + return 0; + } + return 1; +} + static void checkdiff_consume(void *priv, char *line, unsigned long len) { struct checkdiff_t *data = priv; @@ -1159,6 +1211,12 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len) data->trailing_blanks_start = 0; else if (!data->trailing_blanks_start) data->trailing_blanks_start = data->lineno; + if (is_conflict_marker(line + 1, len - 1)) { + data->status |= 1; + fprintf(data->o->file, + "%s:%d: leftover conflict marker\n", + data->filename, data->lineno); + } bad = ws_check(line + 1, len - 1, data->ws_rule); if (!bad) return; @@ -1330,31 +1388,40 @@ int diff_filespec_is_binary(struct diff_filespec *one) return one->is_binary; } -static const char *funcname_pattern(const char *ident) +static const struct funcname_pattern_entry *funcname_pattern(const char *ident) { - struct funcname_pattern *pp; + struct funcname_pattern_list *pp; for (pp = funcname_pattern_list; pp; pp = pp->next) - if (!strcmp(ident, pp->name)) - return pp->pattern; + if (!strcmp(ident, pp->e.name)) + return &pp->e; return NULL; } -static struct builtin_funcname_pattern { - const char *name; - const char *pattern; -} builtin_funcname_pattern[] = { - { "java", "!^[ ]*\\(catch\\|do\\|for\\|if\\|instanceof\\|" - "new\\|return\\|switch\\|throw\\|while\\)\n" - "^[ ]*\\(\\([ ]*" - "[A-Za-z_][A-Za-z_0-9]*\\)\\{2,\\}" - "[ ]*([^;]*\\)$" }, - { "tex", "^\\(\\\\\\(sub\\)*section{.*\\)$" }, +static const struct funcname_pattern_entry builtin_funcname_pattern[] = { + { "java", + "!^[ \t]*(catch|do|for|if|instanceof|new|return|switch|throw|while)\n" + "^[ \t]*(([ \t]*[A-Za-z_][A-Za-z_0-9]*){2,}[ \t]*\\([^;]*)$", + REG_EXTENDED }, + { "pascal", + "^((procedure|function|constructor|destructor|interface|" + "implementation|initialization|finalization)[ \t]*.*)$" + "|" + "^(.*=[ \t]*(class|record).*)$", + REG_EXTENDED }, + { "bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$", + REG_EXTENDED }, + { "tex", + "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$", + REG_EXTENDED }, + { "ruby", "^[ \t]*((class|module|def)[ \t].*)$", + REG_EXTENDED }, }; -static const char *diff_funcname_pattern(struct diff_filespec *one) +static const struct funcname_pattern_entry *diff_funcname_pattern(struct diff_filespec *one) { - const char *ident, *pattern; + const char *ident; + const struct funcname_pattern_entry *pe; int i; diff_filespec_check_attr(one); @@ -1369,9 +1436,9 @@ static const char *diff_funcname_pattern(struct diff_filespec *one) return funcname_pattern("default"); /* Look up custom "funcname.$ident" regexp from config. */ - pattern = funcname_pattern(ident); - if (pattern) - return pattern; + pe = funcname_pattern(ident); + if (pe) + return pe; /* * And define built-in fallback patterns here. Note that @@ -1379,7 +1446,7 @@ static const char *diff_funcname_pattern(struct diff_filespec *one) */ for (i = 0; i < ARRAY_SIZE(builtin_funcname_pattern); i++) if (!strcmp(ident, builtin_funcname_pattern[i].name)) - return builtin_funcname_pattern[i].pattern; + return &builtin_funcname_pattern[i]; return NULL; } @@ -1398,6 +1465,10 @@ static void builtin_diff(const char *name_a, const char *set = diff_get_color_opt(o, DIFF_METAINFO); const char *reset = diff_get_color_opt(o, DIFF_RESET); + /* Never use a non-valid filename anywhere if at all possible */ + name_a = DIFF_FILE_VALID(one) ? name_a : name_b; + name_b = DIFF_FILE_VALID(two) ? name_b : name_a; + a_one = quote_two(o->a_prefix, name_a + (*name_a == '/')); b_two = quote_two(o->b_prefix, name_b + (*name_b == '/')); lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null"; @@ -1457,11 +1528,11 @@ static void builtin_diff(const char *name_a, xdemitconf_t xecfg; xdemitcb_t ecb; struct emit_callback ecbdata; - const char *funcname_pattern; + const struct funcname_pattern_entry *pe; - funcname_pattern = diff_funcname_pattern(one); - if (!funcname_pattern) - funcname_pattern = diff_funcname_pattern(two); + pe = diff_funcname_pattern(one); + if (!pe) + pe = diff_funcname_pattern(two); memset(&xecfg, 0, sizeof(xecfg)); memset(&ecbdata, 0, sizeof(ecbdata)); @@ -1473,8 +1544,8 @@ static void builtin_diff(const char *name_a, xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts; xecfg.ctxlen = o->context; xecfg.flags = XDL_EMIT_FUNCNAMES; - if (funcname_pattern) - xdiff_set_find_func(&xecfg, funcname_pattern); + if (pe) + xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags); if (!diffopts) ; else if (!prefixcmp(diffopts, "--unified=")) @@ -1587,12 +1658,14 @@ static void builtin_checkdiff(const char *name_a, const char *name_b, xdemitcb_t ecb; memset(&xecfg, 0, sizeof(xecfg)); + xecfg.ctxlen = 1; /* at least one context line */ xpp.flags = XDF_NEED_MINIMAL; ecb.outf = xdiff_outf; ecb.priv = &data; xdi_diff(&mf1, &mf2, &xpp, &xecfg, &ecb); - if (data.trailing_blanks_start) { + if ((data.ws_rule & WS_TRAILING_SPACE) && + data.trailing_blanks_start) { fprintf(o->file, "%s:%d: ends with blank lines.\n", data.filename, data.trailing_blanks_start); data.status = 1; /* report errors */ @@ -2248,6 +2321,7 @@ void diff_setup(struct diff_options *options) options->break_opt = -1; options->rename_limit = -1; options->dirstat_percent = 3; + DIFF_OPT_CLR(options, DIRSTAT_CUMULATIVE); options->context = 3; options->change = diff_change; @@ -2342,13 +2416,6 @@ int diff_setup_done(struct diff_options *options) DIFF_OPT_SET(options, EXIT_WITH_STATUS); } - /* - * If we postprocess in diffcore, we cannot simply return - * upon the first hit. We need to run diff as usual. - */ - if (options->pickaxe || options->filter) - DIFF_OPT_CLR(options, QUIET); - return 0; } @@ -2420,8 +2487,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) options->output_format |= DIFF_FORMAT_SHORTSTAT; else if (opt_arg(arg, 'X', "dirstat", &options->dirstat_percent)) options->output_format |= DIFF_FORMAT_DIRSTAT; - else if (!strcmp(arg, "--cumulative")) - options->output_format |= DIFF_FORMAT_CUMULATIVE; + else if (!strcmp(arg, "--cumulative")) { + options->output_format |= DIFF_FORMAT_DIRSTAT; + DIFF_OPT_SET(options, DIRSTAT_CUMULATIVE); + } else if (!strcmp(arg, "--check")) options->output_format |= DIFF_FORMAT_CHECKDIFF; else if (!strcmp(arg, "--summary")) @@ -3192,11 +3261,10 @@ void diff_flush(struct diff_options *options) if (output_format & DIFF_FORMAT_PATCH) { if (separator) { + putc(options->line_termination, options->file); if (options->stat_sep) { /* attach patch instead of inline */ fputs(options->stat_sep, options->file); - } else { - putc(options->line_termination, options->file); } } @@ -3339,10 +3407,7 @@ static void diffcore_skip_stat_unmatch(struct diff_options *diffopt) void diffcore_std(struct diff_options *options) { - if (DIFF_OPT_TST(options, QUIET)) - return; - - if (options->skip_stat_unmatch && !DIFF_OPT_TST(options, FIND_COPIES_HARDER)) + if (options->skip_stat_unmatch) diffcore_skip_stat_unmatch(options); if (options->break_opt != -1) diffcore_break(options->break_opt); @@ -3381,9 +3446,8 @@ int diff_result_code(struct diff_options *opt, int status) void diff_addremove(struct diff_options *options, int addremove, unsigned mode, const unsigned char *sha1, - const char *base, const char *path) + const char *concatpath) { - char concatpath[PATH_MAX]; struct diff_filespec *one, *two; if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(mode)) @@ -3405,9 +3469,6 @@ void diff_addremove(struct diff_options *options, addremove = (addremove == '+' ? '-' : addremove == '-' ? '+' : addremove); - if (!path) path = ""; - sprintf(concatpath, "%s%s", base, path); - if (options->prefix && strncmp(concatpath, options->prefix, options->prefix_length)) return; @@ -3428,9 +3489,8 @@ void diff_change(struct diff_options *options, unsigned old_mode, unsigned new_mode, const unsigned char *old_sha1, const unsigned char *new_sha1, - const char *base, const char *path) + const char *concatpath) { - char concatpath[PATH_MAX]; struct diff_filespec *one, *two; if (DIFF_OPT_TST(options, IGNORE_SUBMODULES) && S_ISGITLINK(old_mode) @@ -3443,8 +3503,6 @@ void diff_change(struct diff_options *options, tmp = old_mode; old_mode = new_mode; new_mode = tmp; tmp_c = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_c; } - if (!path) path = ""; - sprintf(concatpath, "%s%s", base, path); if (options->prefix && strncmp(concatpath, options->prefix, options->prefix_length))