move identity config parsing to ident.c

There's no reason for this to be in config, except that once
upon a time all of the config parsing was there. It makes
more sense to keep the ident code together.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

cache.h

@@ -899,6 +899,7 @@ extern const char *ident_default_email(void);
 extern const char *ident_default_date(void);
 extern const char *git_editor(void);
 extern const char *git_pager(int stdout_is_tty);
+extern int git_ident_config(const char *, const char *, void *);
 
 struct ident_split {
 	const char *name_begin;

config.c

@@ -762,28 +762,6 @@ static int git_default_core_config(const char *var, const char *value)
 	return 0;
 }
 
-static int git_default_user_config(const char *var, const char *value)
-{
-	if (!strcmp(var, "user.name")) {
-		if (!value)
-			return config_error_nonbool(var);
-		strlcpy(git_default_name, value, sizeof(git_default_name));
-		user_ident_explicitly_given |= IDENT_NAME_GIVEN;
-		return 0;
-	}
-
-	if (!strcmp(var, "user.email")) {
-		if (!value)
-			return config_error_nonbool(var);
-		strlcpy(git_default_email, value, sizeof(git_default_email));
-		user_ident_explicitly_given |= IDENT_MAIL_GIVEN;
-		return 0;
-	}
-
-	/* Add other config variables here and to Documentation/config.txt. */
-	return 0;
-}
-
 static int git_default_i18n_config(const char *var, const char *value)
 {
 	if (!strcmp(var, "i18n.commitencoding"))
@@ -870,7 +848,7 @@ int git_default_config(const char *var, const char *value, void *dummy)
 		return git_default_core_config(var, value);
 
 	if (!prefixcmp(var, "user."))
-		return git_default_user_config(var, value);
+		return git_ident_config(var, value, dummy);
 
 	if (!prefixcmp(var, "i18n."))
 		return git_default_i18n_config(var, value);

ident.c

@@ -388,3 +388,24 @@ int user_ident_sufficiently_given(void)
 	return (user_ident_explicitly_given == IDENT_ALL_GIVEN);
 #endif
 }
+
+int git_ident_config(const char *var, const char *value, void *data)
+{
+	if (!strcmp(var, "user.name")) {
+		if (!value)
+			return config_error_nonbool(var);
+		strlcpy(git_default_name, value, sizeof(git_default_name));
+		user_ident_explicitly_given |= IDENT_NAME_GIVEN;
+		return 0;
+	}
+
+	if (!strcmp(var, "user.email")) {
+		if (!value)
+			return config_error_nonbool(var);
+		strlcpy(git_default_email, value, sizeof(git_default_email));
+		user_ident_explicitly_given |= IDENT_MAIL_GIVEN;
+		return 0;
+	}
+
+	return 0;
+}