git-merge: show usage if run without arguments

diff --git a/config.c b/config.c
index ec44827da4afbcf89a5eed37c7f557a7ffdce35d..e8f0caf7cf674ff44b23e0182420988e9672cc69 100644 (file)
--- a/config.c
+++ b/config.c
@@ -244,9 +244,9 @@ int git_config_bool(const char *name, const char *value)
                return 1;
        if (!*value)
                return 0;
-       if (!strcasecmp(value, "true"))
+       if (!strcasecmp(value, "true") || !strcasecmp(value, "yes"))
                return 1;
-       if (!strcasecmp(value, "false"))
+       if (!strcasecmp(value, "false") || !strcasecmp(value, "no"))
                return 0;
        return git_config_int(name, value) != 0;
 }
@@ -279,6 +279,21 @@ int git_default_config(const char *var, const char *value)
                return 0;
        }
 
+       if (!strcmp(var, "core.legacyheaders")) {
+               use_legacy_headers = git_config_bool(var, value);
+               return 0;
+       }
+
+       if (!strcmp(var, "core.compression")) {
+               int level = git_config_int(var, value);
+               if (level == -1)
+                       level = Z_DEFAULT_COMPRESSION;
+               else if (level < 0 || level > Z_BEST_COMPRESSION)
+                       die("bad zlib compression level %d", level);
+               zlib_compression_level = level;
+               return 0;
+       }
+
        if (!strcmp(var, "user.name")) {
                strlcpy(git_default_name, value, sizeof(git_default_name));
                return 0;
@@ -294,6 +309,11 @@ int git_default_config(const char *var, const char *value)
                return 0;
        }
 
+       if (!strcmp(var, "pager.color")) {
+               pager_use_color = git_config_bool(var,value);
+               return 0;
+       }
+
        /* Add other config variables here and to Documentation/config.txt. */
        return 0;
 }
@@ -330,19 +350,18 @@ int git_config(config_fn_t fn)
                home = getenv("HOME");
                filename = getenv("GIT_CONFIG_LOCAL");
                if (!filename)
-                       filename = repo_config = strdup(git_path("config"));
+                       filename = repo_config = xstrdup(git_path("config"));
        }
 
        if (home) {
-               char *user_config = strdup(mkpath("%s/.gitconfig", home));
+               char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
                if (!access(user_config, R_OK))
                        ret = git_config_from_file(fn, user_config);
                free(user_config);
        }
 
        ret += git_config_from_file(fn, filename);
-       if (repo_config)
-               free(repo_config);
+       free(repo_config);
        return ret;
 }
 
@@ -526,8 +545,8 @@ int git_config_set_multivar(const char* key, const char* value,
                if (!config_filename)
                        config_filename  = git_path("config");
        }
-       config_filename = strdup(config_filename);
-       lock_file = strdup(mkpath("%s.lock", config_filename));
+       config_filename = xstrdup(config_filename);
+       lock_file = xstrdup(mkpath("%s.lock", config_filename));
 
        /*
         * Since "key" actually contains the section name and the real
@@ -546,7 +565,7 @@ int git_config_set_multivar(const char* key, const char* value,
        /*
         * Validate the key and while at it, lower case it for matching.
         */
-       store.key = (char*)malloc(strlen(key)+1);
+       store.key = xmalloc(strlen(key) + 1);
        dot = 0;
        for (i = 0; key[i]; i++) {
                unsigned char c = key[i];
@@ -614,7 +633,7 @@ int git_config_set_multivar(const char* key, const char* value,
                        } else
                                store.do_not_match = 0;
 
-                       store.value_regex = (regex_t*)malloc(sizeof(regex_t));
+                       store.value_regex = (regex_t*)xmalloc(sizeof(regex_t));
                        if (regcomp(store.value_regex, value_regex,
                                        REG_EXTENDED)) {
                                fprintf(stderr, "Invalid pattern: %s\n",
@@ -714,8 +733,7 @@ int git_config_set_multivar(const char* key, const char* value,
 out_free:
        if (0 <= fd)
                close(fd);
-       if (config_filename)
-               free(config_filename);
+       free(config_filename);
        if (lock_file) {
                unlink(lock_file);
                free(lock_file);