git config: don't allow multiple variable types

Only --bool, --int, or --bool-or-int can be used, but not any
combination of them.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-config.c b/builtin-config.c
index d037e4745c139b1491e5cd344ebf1f24cd8111c0..6dc205d1f439e8fb25129513ad7be0361df94df7 100644 (file)
--- a/builtin-config.c
+++ b/builtin-config.c
@@ -19,11 +19,10 @@ static int seen;
 static char delim = '=';
 static char key_delim = ' ';
 static char term = '\n';
-static enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;
 
 static int use_global_config, use_system_config;
 static const char *given_config_file;
-static int actions;
+static int actions, types;
 static const char *get_color_slot, *get_colorbool_slot;
 static int end_null;
 
@@ -43,6 +42,10 @@ static int end_null;
 #define ACTION_GET_COLOR (1<<13)
 #define ACTION_GET_COLORBOOL (1<<14)
 
+#define TYPE_BOOL (1<<0)
+#define TYPE_INT (1<<1)
+#define TYPE_BOOL_OR_INT (1<<2)
+
 static struct option builtin_config_options[] = {
        OPT_GROUP("Config file location"),
        OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
@@ -63,9 +66,9 @@ static struct option builtin_config_options[] = {
        OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
        OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
        OPT_GROUP("Type"),
-       OPT_SET_INT(0, "bool", &type, "value is \"true\" or \"false\"", T_BOOL),
-       OPT_SET_INT(0, "int", &type, "value is decimal number", T_INT),
-       OPT_SET_INT(0, "bool-or-int", &type, NULL, T_BOOL_OR_INT),
+       OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
+       OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
+       OPT_BIT(0, "bool-or-int", &types, NULL, TYPE_BOOL_OR_INT),
        OPT_GROUP("Other"),
        OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
        OPT_END(),
@@ -109,11 +112,11 @@ static int show_config(const char *key_, const char *value_, void *cb)
        }
        if (seen && !do_all)
                dup_error = 1;
-       if (type == T_INT)
+       if (types == TYPE_INT)
                sprintf(value, "%d", git_config_int(key_, value_?value_:""));
-       else if (type == T_BOOL)
+       else if (types == TYPE_BOOL)
                vptr = git_config_bool(key_, value_) ? "true" : "false";
-       else if (type == T_BOOL_OR_INT) {
+       else if (types == TYPE_BOOL_OR_INT) {
                int is_bool, v;
                v = git_config_bool_or_int(key_, value_, &is_bool);
                if (is_bool)
@@ -212,18 +215,18 @@ static char *normalize_value(const char *key, const char *value)
        if (!value)
                return NULL;
 
-       if (type == T_RAW)
+       if (types == 0)
                normalized = xstrdup(value);
        else {
                normalized = xmalloc(64);
-               if (type == T_INT) {
+               if (types == TYPE_INT) {
                        int v = git_config_int(key, value);
                        sprintf(normalized, "%d", v);
                }
-               else if (type == T_BOOL)
+               else if (types == TYPE_BOOL)
                        sprintf(normalized, "%s",
                                git_config_bool(key, value) ? "true" : "false");
-               else if (type == T_BOOL_OR_INT) {
+               else if (types == TYPE_BOOL_OR_INT) {
                        int is_bool, v;
                        v = git_config_bool_or_int(key, value, &is_bool);
                        if (!is_bool)
@@ -347,6 +350,11 @@ int cmd_config(int argc, const char **argv, const char *unused_prefix)
                key_delim = '\n';
        }
 
+       if (HAS_MULTI_BITS(types)) {
+               error("only one type at a time.");
+               usage_with_options(builtin_config_usage, builtin_config_options);
+       }
+
        if (get_color_slot)
            actions |= ACTION_GET_COLOR;
        if (get_colorbool_slot)