diff.c: remove duplicate bibtex pattern introduced by merge 92bb9785

[git.git] / diff.c

diff --git a/diff.c b/diff.c
index a733010170f489cb6945a0ec4bd98727303651d6..7c982b49477bf791586246fc3a38a6a0dc92eb70 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -24,6 +24,7 @@ static int diff_suppress_blank_empty;
 int diff_use_color_default = -1;
 static const char *external_diff_cmd_cfg;
 int diff_auto_refresh_index = 1;
+static int diff_mnemonic_prefix;
 
 static char diff_colors[][COLOR_MAXLEN] = {
        "\033[m",       /* reset */
@@ -155,6 +156,10 @@ 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.mnemonicprefix")) {
+               diff_mnemonic_prefix = git_config_bool(var, value);
+               return 0;
+       }
        if (!strcmp(var, "diff.external"))
                return git_config_string(&external_diff_cmd_cfg, var, value);
        if (!prefixcmp(var, "diff.")) {
@@ -323,6 +328,15 @@ static void emit_rewrite_diff(const char *name_a,
        const char *new = diff_get_color(color_diff, DIFF_FILE_NEW);
        const char *reset = diff_get_color(color_diff, DIFF_RESET);
        static struct strbuf a_name = STRBUF_INIT, b_name = STRBUF_INIT;
+       const char *a_prefix, *b_prefix;
+
+       if (diff_mnemonic_prefix && DIFF_OPT_TST(o, REVERSE_DIFF)) {
+               a_prefix = o->b_prefix;
+               b_prefix = o->a_prefix;
+       } else {
+               a_prefix = o->a_prefix;
+               b_prefix = o->b_prefix;
+       }
 
        name_a += (*name_a == '/');
        name_b += (*name_b == '/');
@@ -331,8 +345,8 @@ static void emit_rewrite_diff(const char *name_a,
 
        strbuf_reset(&a_name);
        strbuf_reset(&b_name);
-       quote_two_c_style(&a_name, o->a_prefix, name_a, 0);
-       quote_two_c_style(&b_name, o->b_prefix, name_b, 0);
+       quote_two_c_style(&a_name, a_prefix, name_a, 0);
+       quote_two_c_style(&b_name, b_prefix, name_b, 0);
 
        diff_populate_filespec(one, 0);
        diff_populate_filespec(two, 0);
@@ -1128,9 +1142,13 @@ static void show_dirstat(struct diff_options *options)
                /*
                 * Original minus copied is the removed material,
                 * added is the new material.  They are both damages
-                * made to the preimage.
+                * made to the preimage. In --dirstat-by-file mode, count
+                * damaged files, not damaged lines. This is done by
+                * counting only a single damaged line per file.
                 */
                damage = (p->one->size - copied) + added;
+               if (DIFF_OPT_TST(options, DIRSTAT_BY_FILE) && damage > 0)
+                       damage = 1;
 
                ALLOC_GROW(dir.files, dir.nr + 1, dir.alloc);
                dir.files[dir.nr].name = name;
@@ -1404,7 +1422,7 @@ static const struct funcname_pattern_entry *funcname_pattern(const char *ident)
 }
 
 static const struct funcname_pattern_entry builtin_funcname_pattern[] = {
-       { "bibtex", "(@[a-zA-Z]{1,}[ \t]*\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$",
+       { "bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$",
          REG_EXTENDED },
        { "html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$", REG_EXTENDED },
        { "java",
@@ -1414,7 +1432,7 @@ static const struct funcname_pattern_entry builtin_funcname_pattern[] = {
        { "pascal",
          "^((procedure|function|constructor|destructor|interface|"
                "implementation|initialization|finalization)[ \t]*.*)$"
-         "|"
+         "\n"
          "^(.*=[ \t]*(class|record).*)$",
          REG_EXTENDED },
        { "php", "^[\t ]*((function|class).*)", REG_EXTENDED },
@@ -1422,7 +1440,7 @@ static const struct funcname_pattern_entry builtin_funcname_pattern[] = {
        { "ruby", "^[ \t]*((class|module|def)[ \t].*)$",
          REG_EXTENDED },
        { "tex",
-         "^(\\\\((sub)*section|chapter|part)\\*{0,1}\{.*)$",
+         "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$",
          REG_EXTENDED },
 };
 
@@ -1459,6 +1477,14 @@ static const struct funcname_pattern_entry *diff_funcname_pattern(struct diff_fi
        return NULL;
 }
 
+void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b)
+{
+       if (!options->a_prefix)
+               options->a_prefix = a;
+       if (!options->b_prefix)
+               options->b_prefix = b;
+}
+
 static void builtin_diff(const char *name_a,
                         const char *name_b,
                         struct diff_filespec *one,
@@ -1472,9 +1498,19 @@ static void builtin_diff(const char *name_a,
        char *a_one, *b_two;
        const char *set = diff_get_color_opt(o, DIFF_METAINFO);
        const char *reset = diff_get_color_opt(o, DIFF_RESET);
+       const char *a_prefix, *b_prefix;
+
+       diff_set_mnemonic_prefix(o, "a/", "b/");
+       if (DIFF_OPT_TST(o, REVERSE_DIFF)) {
+               a_prefix = o->b_prefix;
+               b_prefix = o->a_prefix;
+       } else {
+               a_prefix = o->a_prefix;
+               b_prefix = o->b_prefix;
+       }
 
-       a_one = quote_two(o->a_prefix, name_a + (*name_a == '/'));
-       b_two = quote_two(o->b_prefix, name_b + (*name_b == '/'));
+       a_one = quote_two(a_prefix, name_a + (*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";
        fprintf(o->file, "%sdiff --git %s %s%s\n", set, a_one, b_two, reset);
@@ -2331,8 +2367,10 @@ void diff_setup(struct diff_options *options)
                DIFF_OPT_CLR(options, COLOR_DIFF);
        options->detect_rename = diff_detect_rename_default;
 
-       options->a_prefix = "a/";
-       options->b_prefix = "b/";
+       if (!diff_mnemonic_prefix) {
+               options->a_prefix = "a/";
+               options->b_prefix = "b/";
+       }
 }
 
 int diff_setup_done(struct diff_options *options)
@@ -2415,13 +2453,6 @@ 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;
 }
 
@@ -2496,6 +2527,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
        else if (!strcmp(arg, "--cumulative")) {
                options->output_format |= DIFF_FORMAT_DIRSTAT;
                DIFF_OPT_SET(options, DIRSTAT_CUMULATIVE);
+       } else if (opt_arg(arg, 0, "dirstat-by-file",
+                          &options->dirstat_percent)) {
+               options->output_format |= DIFF_FORMAT_DIRSTAT;
+               DIFF_OPT_SET(options, DIRSTAT_BY_FILE);
        }
        else if (!strcmp(arg, "--check"))
                options->output_format |= DIFF_FORMAT_CHECKDIFF;
@@ -3409,10 +3444,7 @@ 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);