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https://github.com/git/git.git
synced 2024-05-05 14:06:15 +02:00
grep: move the configuration parsing logic to grep.[ch]
The configuration handling is a library-ish part of this program, that is not specific to "git grep" command. It should be reusable by "log" and others. Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
parent
15fabd1bbd
commit
7687a0541e
131
builtin/grep.c
131
builtin/grep.c
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@ -261,21 +261,6 @@ static int wait_all(void)
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}
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#endif
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static int parse_pattern_type_arg(const char *opt, const char *arg)
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{
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if (!strcmp(arg, "default"))
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return GREP_PATTERN_TYPE_UNSPECIFIED;
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else if (!strcmp(arg, "basic"))
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return GREP_PATTERN_TYPE_BRE;
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else if (!strcmp(arg, "extended"))
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return GREP_PATTERN_TYPE_ERE;
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else if (!strcmp(arg, "fixed"))
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return GREP_PATTERN_TYPE_FIXED;
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else if (!strcmp(arg, "perl"))
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return GREP_PATTERN_TYPE_PCRE;
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die("bad %s argument: %s", opt, arg);
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}
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static void grep_pattern_type_options(const int pattern_type, struct grep_opt *opt)
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{
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switch (pattern_type) {
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@ -308,122 +293,6 @@ static void grep_pattern_type_options(const int pattern_type, struct grep_opt *o
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}
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}
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static struct grep_opt grep_defaults;
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/*
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* Initialize the grep_defaults template with hardcoded defaults.
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* We could let the compiler do this, but without C99 initializers
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* the code gets unwieldy and unreadable, so...
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*/
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static void init_grep_defaults(void)
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{
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struct grep_opt *opt = &grep_defaults;
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memset(opt, 0, sizeof(*opt));
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opt->relative = 1;
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opt->pathname = 1;
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opt->regflags = REG_NEWLINE;
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opt->max_depth = -1;
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opt->pattern_type_option = GREP_PATTERN_TYPE_UNSPECIFIED;
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opt->extended_regexp_option = 0;
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strcpy(opt->color_context, "");
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strcpy(opt->color_filename, "");
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strcpy(opt->color_function, "");
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strcpy(opt->color_lineno, "");
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strcpy(opt->color_match, GIT_COLOR_BOLD_RED);
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strcpy(opt->color_selected, "");
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strcpy(opt->color_sep, GIT_COLOR_CYAN);
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opt->color = -1;
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}
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/*
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* Read the configuration file once and store it in
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* the grep_defaults template.
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*/
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static int grep_config(const char *var, const char *value, void *cb)
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{
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struct grep_opt *opt = &grep_defaults;
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char *color = NULL;
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if (userdiff_config(var, value) < 0)
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return -1;
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if (!strcmp(var, "grep.extendedregexp")) {
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if (git_config_bool(var, value))
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opt->extended_regexp_option = 1;
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else
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opt->extended_regexp_option = 0;
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return 0;
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}
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if (!strcmp(var, "grep.patterntype")) {
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opt->pattern_type_option = parse_pattern_type_arg(var, value);
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return 0;
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}
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if (!strcmp(var, "grep.linenumber")) {
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opt->linenum = git_config_bool(var, value);
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return 0;
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}
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if (!strcmp(var, "color.grep"))
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opt->color = git_config_colorbool(var, value);
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else if (!strcmp(var, "color.grep.context"))
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color = opt->color_context;
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else if (!strcmp(var, "color.grep.filename"))
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color = opt->color_filename;
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else if (!strcmp(var, "color.grep.function"))
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color = opt->color_function;
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else if (!strcmp(var, "color.grep.linenumber"))
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color = opt->color_lineno;
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else if (!strcmp(var, "color.grep.match"))
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color = opt->color_match;
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else if (!strcmp(var, "color.grep.selected"))
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color = opt->color_selected;
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else if (!strcmp(var, "color.grep.separator"))
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color = opt->color_sep;
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if (color) {
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if (!value)
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return config_error_nonbool(var);
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color_parse(value, var, color);
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}
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return 0;
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}
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/*
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* Initialize one instance of grep_opt and copy the
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* default values from the template we read the configuration
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* information in an earlier call to git_config(grep_config).
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*/
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static void grep_init(struct grep_opt *opt, const char *prefix)
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{
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struct grep_opt *def = &grep_defaults;
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memset(opt, 0, sizeof(*opt));
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opt->prefix = prefix;
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opt->prefix_length = (prefix && *prefix) ? strlen(prefix) : 0;
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opt->pattern_tail = &opt->pattern_list;
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opt->header_tail = &opt->header_list;
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opt->color = def->color;
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opt->extended_regexp_option = def->extended_regexp_option;
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opt->pattern_type_option = def->pattern_type_option;
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opt->linenum = def->linenum;
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opt->max_depth = def->max_depth;
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opt->pathname = def->pathname;
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opt->regflags = def->regflags;
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opt->relative = def->relative;
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strcpy(opt->color_context, def->color_context);
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strcpy(opt->color_filename, def->color_filename);
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strcpy(opt->color_function, def->color_function);
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strcpy(opt->color_lineno, def->color_lineno);
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strcpy(opt->color_match, def->color_match);
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strcpy(opt->color_selected, def->color_selected);
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strcpy(opt->color_sep, def->color_sep);
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}
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static int grep_cmd_config(const char *var, const char *value, void *cb)
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{
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int st = grep_config(var, value, cb);
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130
grep.c
130
grep.c
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@ -6,6 +6,136 @@
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static int grep_source_load(struct grep_source *gs);
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static int grep_source_is_binary(struct grep_source *gs);
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static struct grep_opt grep_defaults;
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/*
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* Initialize the grep_defaults template with hardcoded defaults.
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* We could let the compiler do this, but without C99 initializers
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* the code gets unwieldy and unreadable, so...
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*/
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void init_grep_defaults(void)
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{
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struct grep_opt *opt = &grep_defaults;
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memset(opt, 0, sizeof(*opt));
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opt->relative = 1;
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opt->pathname = 1;
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opt->regflags = REG_NEWLINE;
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opt->max_depth = -1;
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opt->pattern_type_option = GREP_PATTERN_TYPE_UNSPECIFIED;
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opt->extended_regexp_option = 0;
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strcpy(opt->color_context, "");
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strcpy(opt->color_filename, "");
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strcpy(opt->color_function, "");
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strcpy(opt->color_lineno, "");
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strcpy(opt->color_match, GIT_COLOR_BOLD_RED);
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strcpy(opt->color_selected, "");
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strcpy(opt->color_sep, GIT_COLOR_CYAN);
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opt->color = -1;
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}
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static int parse_pattern_type_arg(const char *opt, const char *arg)
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{
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if (!strcmp(arg, "default"))
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return GREP_PATTERN_TYPE_UNSPECIFIED;
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else if (!strcmp(arg, "basic"))
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return GREP_PATTERN_TYPE_BRE;
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else if (!strcmp(arg, "extended"))
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return GREP_PATTERN_TYPE_ERE;
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else if (!strcmp(arg, "fixed"))
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return GREP_PATTERN_TYPE_FIXED;
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else if (!strcmp(arg, "perl"))
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return GREP_PATTERN_TYPE_PCRE;
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die("bad %s argument: %s", opt, arg);
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}
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/*
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* Read the configuration file once and store it in
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* the grep_defaults template.
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*/
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int grep_config(const char *var, const char *value, void *cb)
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{
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struct grep_opt *opt = &grep_defaults;
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char *color = NULL;
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if (userdiff_config(var, value) < 0)
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return -1;
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if (!strcmp(var, "grep.extendedregexp")) {
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if (git_config_bool(var, value))
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opt->extended_regexp_option = 1;
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else
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opt->extended_regexp_option = 0;
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return 0;
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}
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if (!strcmp(var, "grep.patterntype")) {
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opt->pattern_type_option = parse_pattern_type_arg(var, value);
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return 0;
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}
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if (!strcmp(var, "grep.linenumber")) {
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opt->linenum = git_config_bool(var, value);
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return 0;
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}
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if (!strcmp(var, "color.grep"))
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opt->color = git_config_colorbool(var, value);
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else if (!strcmp(var, "color.grep.context"))
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color = opt->color_context;
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else if (!strcmp(var, "color.grep.filename"))
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color = opt->color_filename;
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else if (!strcmp(var, "color.grep.function"))
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color = opt->color_function;
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else if (!strcmp(var, "color.grep.linenumber"))
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color = opt->color_lineno;
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else if (!strcmp(var, "color.grep.match"))
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color = opt->color_match;
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else if (!strcmp(var, "color.grep.selected"))
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color = opt->color_selected;
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else if (!strcmp(var, "color.grep.separator"))
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color = opt->color_sep;
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if (color) {
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if (!value)
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return config_error_nonbool(var);
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color_parse(value, var, color);
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}
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return 0;
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}
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/*
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* Initialize one instance of grep_opt and copy the
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* default values from the template we read the configuration
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* information in an earlier call to git_config(grep_config).
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*/
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void grep_init(struct grep_opt *opt, const char *prefix)
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{
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struct grep_opt *def = &grep_defaults;
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memset(opt, 0, sizeof(*opt));
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opt->prefix = prefix;
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opt->prefix_length = (prefix && *prefix) ? strlen(prefix) : 0;
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opt->pattern_tail = &opt->pattern_list;
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opt->header_tail = &opt->header_list;
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opt->color = def->color;
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opt->extended_regexp_option = def->extended_regexp_option;
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opt->pattern_type_option = def->pattern_type_option;
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opt->linenum = def->linenum;
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opt->max_depth = def->max_depth;
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opt->pathname = def->pathname;
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opt->regflags = def->regflags;
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opt->relative = def->relative;
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strcpy(opt->color_context, def->color_context);
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strcpy(opt->color_filename, def->color_filename);
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strcpy(opt->color_function, def->color_function);
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strcpy(opt->color_lineno, def->color_lineno);
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strcpy(opt->color_match, def->color_match);
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strcpy(opt->color_selected, def->color_selected);
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strcpy(opt->color_sep, def->color_sep);
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}
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static struct grep_pat *create_grep_pat(const char *pat, size_t patlen,
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const char *origin, int no,
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4
grep.h
4
grep.h
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@ -138,6 +138,10 @@ struct grep_opt {
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void *output_priv;
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};
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extern void init_grep_defaults(void);
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extern int grep_config(const char *var, const char *value, void *);
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extern void grep_init(struct grep_opt *, const char *prefix);
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extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
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extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
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extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
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