glossary-content.txt: rephrase magic signature part
[gitweb.git] / builtin / config.c
index 19ffcaf18776e8b100ee3f57c7ca7447436c5476..20e89fe4e0c7db50267e8e9358c38faea2259fab 100644 (file)
@@ -2,6 +2,7 @@
 #include "cache.h"
 #include "color.h"
 #include "parse-options.h"
+#include "urlmatch.h"
 
 static const char *const builtin_config_usage[] = {
        N_("git config [options]"),
@@ -21,6 +22,7 @@ static char term = '\n';
 
 static int use_global_config, use_system_config, use_local_config;
 static const char *given_config_file;
+static const char *given_config_blob;
 static int actions, types;
 static const char *get_color_slot, *get_colorbool_slot;
 static int end_null;
@@ -41,6 +43,7 @@ static int respect_includes = -1;
 #define ACTION_SET_ALL (1<<12)
 #define ACTION_GET_COLOR (1<<13)
 #define ACTION_GET_COLORBOOL (1<<14)
+#define ACTION_GET_URLMATCH (1<<15)
 
 #define TYPE_BOOL (1<<0)
 #define TYPE_INT (1<<1)
@@ -49,14 +52,16 @@ static int respect_includes = -1;
 
 static struct option builtin_config_options[] = {
        OPT_GROUP(N_("Config file location")),
-       OPT_BOOLEAN(0, "global", &use_global_config, N_("use global config file")),
-       OPT_BOOLEAN(0, "system", &use_system_config, N_("use system config file")),
-       OPT_BOOLEAN(0, "local", &use_local_config, N_("use repository config file")),
+       OPT_BOOL(0, "global", &use_global_config, N_("use global config file")),
+       OPT_BOOL(0, "system", &use_system_config, N_("use system config file")),
+       OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")),
        OPT_STRING('f', "file", &given_config_file, N_("file"), N_("use given config file")),
+       OPT_STRING(0, "blob", &given_config_blob, N_("blob-id"), N_("read config from given blob object")),
        OPT_GROUP(N_("Action")),
        OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
        OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
        OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
+       OPT_BIT(0, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH),
        OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
        OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
        OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
@@ -73,7 +78,7 @@ static struct option builtin_config_options[] = {
        OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
        OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
        OPT_GROUP(N_("Other")),
-       OPT_BOOLEAN('z', "null", &end_null, N_("terminate values with NUL byte")),
+       OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
        OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
        OPT_END(),
 };
@@ -100,25 +105,13 @@ struct strbuf_list {
        int alloc;
 };
 
-static int collect_config(const char *key_, const char *value_, void *cb)
+static int format_config(struct strbuf *buf, const char *key_, const char *value_)
 {
-       struct strbuf_list *values = cb;
-       struct strbuf *buf;
-       char value[256];
-       const char *vptr = value;
        int must_free_vptr = 0;
        int must_print_delim = 0;
+       char value[256];
+       const char *vptr = value;
 
-       if (!use_key_regexp && strcmp(key_, key))
-               return 0;
-       if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
-               return 0;
-       if (regexp != NULL &&
-           (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
-               return 0;
-
-       ALLOC_GROW(values->items, values->nr + 1, values->alloc);
-       buf = &values->items[values->nr++];
        strbuf_init(buf, 0);
 
        if (show_keys) {
@@ -126,7 +119,8 @@ static int collect_config(const char *key_, const char *value_, void *cb)
                must_print_delim = 1;
        }
        if (types == TYPE_INT)
-               sprintf(value, "%d", git_config_int(key_, value_?value_:""));
+               sprintf(value, "%"PRId64,
+                       git_config_int64(key_, value_ ? value_ : ""));
        else if (types == TYPE_BOOL)
                vptr = git_config_bool(key_, value_) ? "true" : "false";
        else if (types == TYPE_BOOL_OR_INT) {
@@ -154,15 +148,27 @@ static int collect_config(const char *key_, const char *value_, void *cb)
        strbuf_addch(buf, term);
 
        if (must_free_vptr)
-               /* If vptr must be freed, it's a pointer to a
-                * dynamically allocated buffer, it's safe to cast to
-                * const.
-               */
                free((char *)vptr);
-
        return 0;
 }
 
+static int collect_config(const char *key_, const char *value_, void *cb)
+{
+       struct strbuf_list *values = cb;
+
+       if (!use_key_regexp && strcmp(key_, key))
+               return 0;
+       if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
+               return 0;
+       if (regexp != NULL &&
+           (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
+               return 0;
+
+       ALLOC_GROW(values->items, values->nr + 1, values->alloc);
+
+       return format_config(&values->items[values->nr++], key_, value_);
+}
+
 static int get_value(const char *key_, const char *regex_)
 {
        int ret = CONFIG_GENERIC_ERROR;
@@ -218,7 +224,8 @@ static int get_value(const char *key_, const char *regex_)
        }
 
        git_config_with_options(collect_config, &values,
-                               given_config_file, respect_includes);
+                               given_config_file, given_config_blob,
+                               respect_includes);
 
        ret = !values.nr;
 
@@ -262,8 +269,8 @@ static char *normalize_value(const char *key, const char *value)
        else {
                normalized = xmalloc(64);
                if (types == TYPE_INT) {
-                       int v = git_config_int(key, value);
-                       sprintf(normalized, "%d", v);
+                       int64_t v = git_config_int64(key, value);
+                       sprintf(normalized, "%"PRId64, v);
                }
                else if (types == TYPE_BOOL)
                        sprintf(normalized, "%s",
@@ -302,7 +309,8 @@ static void get_color(const char *def_color)
        get_color_found = 0;
        parsed_color[0] = '\0';
        git_config_with_options(git_get_color_config, NULL,
-                               given_config_file, respect_includes);
+                               given_config_file, given_config_blob,
+                               respect_includes);
 
        if (!get_color_found && def_color)
                color_parse(def_color, "command line", parsed_color);
@@ -329,8 +337,10 @@ static int get_colorbool(int print)
 {
        get_colorbool_found = -1;
        get_diff_color_found = -1;
+       get_color_ui_found = -1;
        git_config_with_options(git_get_colorbool_config, NULL,
-                               given_config_file, respect_includes);
+                               given_config_file, given_config_blob,
+                               respect_includes);
 
        if (get_colorbool_found < 0) {
                if (!strcmp(get_colorbool_slot, "color.diff"))
@@ -339,6 +349,10 @@ static int get_colorbool(int print)
                        get_colorbool_found = get_color_ui_found;
        }
 
+       if (get_colorbool_found < 0)
+               /* default value if none found in config */
+               get_colorbool_found = GIT_COLOR_AUTO;
+
        get_colorbool_found = want_color(get_colorbool_found);
 
        if (print) {
@@ -348,6 +362,103 @@ static int get_colorbool(int print)
                return get_colorbool_found ? 0 : 1;
 }
 
+static void check_blob_write(void)
+{
+       if (given_config_blob)
+               die("writing config blobs is not supported");
+}
+
+struct urlmatch_current_candidate_value {
+       char value_is_null;
+       struct strbuf value;
+};
+
+static int urlmatch_collect_fn(const char *var, const char *value, void *cb)
+{
+       struct string_list *values = cb;
+       struct string_list_item *item = string_list_insert(values, var);
+       struct urlmatch_current_candidate_value *matched = item->util;
+
+       if (!matched) {
+               matched = xmalloc(sizeof(*matched));
+               strbuf_init(&matched->value, 0);
+               item->util = matched;
+       } else {
+               strbuf_reset(&matched->value);
+       }
+
+       if (value) {
+               strbuf_addstr(&matched->value, value);
+               matched->value_is_null = 0;
+       } else {
+               matched->value_is_null = 1;
+       }
+       return 0;
+}
+
+static char *dup_downcase(const char *string)
+{
+       char *result;
+       size_t len, i;
+
+       len = strlen(string);
+       result = xmalloc(len + 1);
+       for (i = 0; i < len; i++)
+               result[i] = tolower(string[i]);
+       result[i] = '\0';
+       return result;
+}
+
+static int get_urlmatch(const char *var, const char *url)
+{
+       char *section_tail;
+       struct string_list_item *item;
+       struct urlmatch_config config = { STRING_LIST_INIT_DUP };
+       struct string_list values = STRING_LIST_INIT_DUP;
+
+       config.collect_fn = urlmatch_collect_fn;
+       config.cascade_fn = NULL;
+       config.cb = &values;
+
+       if (!url_normalize(url, &config.url))
+               die("%s", config.url.err);
+
+       config.section = dup_downcase(var);
+       section_tail = strchr(config.section, '.');
+       if (section_tail) {
+               *section_tail = '\0';
+               config.key = section_tail + 1;
+               show_keys = 0;
+       } else {
+               config.key = NULL;
+               show_keys = 1;
+       }
+
+       git_config_with_options(urlmatch_config_entry, &config,
+                               given_config_file, NULL, respect_includes);
+
+       for_each_string_list_item(item, &values) {
+               struct urlmatch_current_candidate_value *matched = item->util;
+               struct strbuf key = STRBUF_INIT;
+               struct strbuf buf = STRBUF_INIT;
+
+               strbuf_addstr(&key, item->string);
+               format_config(&buf, key.buf,
+                             matched->value_is_null ? NULL : matched->value.buf);
+               fwrite(buf.buf, 1, buf.len, stdout);
+               strbuf_release(&key);
+               strbuf_release(&buf);
+
+               strbuf_release(&matched->value);
+       }
+       string_list_clear(&config.vars, 1);
+       string_list_clear(&values, 1);
+       free(config.url.url);
+
+       free((void *)config.section);
+       return 0;
+}
+
 int cmd_config(int argc, const char **argv, const char *prefix)
 {
        int nongit = !startup_info->have_repository;
@@ -359,7 +470,8 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                             builtin_config_usage,
                             PARSE_OPT_STOP_AT_NON_OPTION);
 
-       if (use_global_config + use_system_config + use_local_config + !!given_config_file > 1) {
+       if (use_global_config + use_system_config + use_local_config +
+           !!given_config_file + !!given_config_blob > 1) {
                error("only one config file at a time.");
                usage_with_options(builtin_config_usage, builtin_config_options);
        }
@@ -438,6 +550,7 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                check_argc(argc, 0, 0);
                if (git_config_with_options(show_all_config, NULL,
                                            given_config_file,
+                                           given_config_blob,
                                            respect_includes) < 0) {
                        if (given_config_file)
                                die_errno("unable to read config file '%s'",
@@ -450,6 +563,8 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                check_argc(argc, 0, 0);
                if (!given_config_file && nongit)
                        die("not in a git directory");
+               if (given_config_blob)
+                       die("editing blobs is not supported");
                git_config(git_default_config, NULL);
                launch_editor(given_config_file ?
                              given_config_file : git_path("config"),
@@ -457,6 +572,7 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        }
        else if (actions == ACTION_SET) {
                int ret;
+               check_blob_write();
                check_argc(argc, 2, 2);
                value = normalize_value(argv[0], argv[1]);
                ret = git_config_set_in_file(given_config_file, argv[0], value);
@@ -466,18 +582,21 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                return ret;
        }
        else if (actions == ACTION_SET_ALL) {
+               check_blob_write();
                check_argc(argc, 2, 3);
                value = normalize_value(argv[0], argv[1]);
                return git_config_set_multivar_in_file(given_config_file,
                                                       argv[0], value, argv[2], 0);
        }
        else if (actions == ACTION_ADD) {
+               check_blob_write();
                check_argc(argc, 2, 2);
                value = normalize_value(argv[0], argv[1]);
                return git_config_set_multivar_in_file(given_config_file,
                                                       argv[0], value, "^$", 0);
        }
        else if (actions == ACTION_REPLACE_ALL) {
+               check_blob_write();
                check_argc(argc, 2, 3);
                value = normalize_value(argv[0], argv[1]);
                return git_config_set_multivar_in_file(given_config_file,
@@ -499,7 +618,12 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                check_argc(argc, 1, 2);
                return get_value(argv[0], argv[1]);
        }
+       else if (actions == ACTION_GET_URLMATCH) {
+               check_argc(argc, 2, 2);
+               return get_urlmatch(argv[0], argv[1]);
+       }
        else if (actions == ACTION_UNSET) {
+               check_blob_write();
                check_argc(argc, 1, 2);
                if (argc == 2)
                        return git_config_set_multivar_in_file(given_config_file,
@@ -509,12 +633,14 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                                                      argv[0], NULL);
        }
        else if (actions == ACTION_UNSET_ALL) {
+               check_blob_write();
                check_argc(argc, 1, 2);
                return git_config_set_multivar_in_file(given_config_file,
                                                       argv[0], NULL, argv[1], 1);
        }
        else if (actions == ACTION_RENAME_SECTION) {
                int ret;
+               check_blob_write();
                check_argc(argc, 2, 2);
                ret = git_config_rename_section_in_file(given_config_file,
                                                        argv[0], argv[1]);
@@ -525,6 +651,7 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        }
        else if (actions == ACTION_REMOVE_SECTION) {
                int ret;
+               check_blob_write();
                check_argc(argc, 1, 1);
                ret = git_config_rename_section_in_file(given_config_file,
                                                        argv[0], NULL);