config: dedicated load func so we can reload

src/config.zig

@@ -202,6 +202,34 @@ pub const Config = struct {
         self.* = undefined;
     }
 
+    /// Load the configuration according to the default rules:
+    ///
+    ///   1. Defaults
+    ///   2. XDG Config File
+    ///   3. CLI flags
+    ///   4. Recursively defined configuration files
+    ///
+    pub fn load(alloc_gpa: Allocator) !Config {
+        var result = try default(alloc_gpa);
+        errdefer result.deinit();
+
+        // If we have a configuration file in our home directory, parse that first.
+        try result.loadDefaultFiles(alloc_gpa);
+
+        // Parse the config from the CLI args
+        {
+            var iter = try std.process.argsWithAllocator(alloc_gpa);
+            defer iter.deinit();
+            try cli_args.parse(Config, alloc_gpa, &result, &iter);
+        }
+
+        // Parse the config files that were added from our file and CLI args.
+        try result.loadRecursiveFiles(alloc_gpa);
+        try result.finalize();
+
+        return result;
+    }
+
     pub fn default(alloc_gpa: Allocator) Allocator.Error!Config {
         // Build up our basic config
         var result: Config = .{

src/main.zig

@@ -30,22 +30,8 @@ pub fn main() !void {
     const alloc = state.alloc;
 
     // Try reading our config
-    var config = try Config.default(alloc);
+    var config = try Config.load(alloc);
     defer config.deinit();
-
-    // If we have a configuration file in our home directory, parse that first.
-    try config.loadDefaultFiles(alloc);
-
-    // Parse the config from the CLI args
-    {
-        var iter = try std.process.argsWithAllocator(alloc);
-        defer iter.deinit();
-        try cli_args.parse(Config, alloc, &config, &iter);
-    }
-
-    // Parse the config files that were added from our file and CLI args.
-    try config.loadRecursiveFiles(alloc);
-    try config.finalize();
     //std.log.debug("config={}", .{config});
 
     // Create our app state