more README stuff, example README, other misc cleanup

generate/config.go

@@ -62,7 +62,7 @@ func ReadAndValidateConfig(filename string) (*Config, error) {
 	}
 
 	var config Config
-	err = yaml.Unmarshal(text, config)
+	err = yaml.Unmarshal(text, &config)
 	if err != nil {
 		return nil, fmt.Errorf("invalid config file %v: %v", filename, err)
 	}
@@ -72,5 +72,12 @@ func ReadAndValidateConfig(filename string) (*Config, error) {
 		return nil, fmt.Errorf("invalid config file %v: %v", filename, err)
 	}
 
+	// Make paths relative to config dir
+	// TODO: more principled typing here?
+	basename := filepath.Dir(filename)
+	config.Schema = filepath.Join(basename, config.Schema)
+	config.Queries = filepath.Join(basename, config.Queries)
+	config.Generated = filepath.Join(basename, config.Generated)
+
 	return &config, nil
 }

generate/main.go

@@ -46,6 +46,7 @@ func Main() {
 	}()
 
 	if len(os.Args) != 2 {
+		// TODO: omit config to get it from genql.yaml, or to use the defaults.
 		err = fmt.Errorf("usage: %s genql.yaml", os.Args[0])
 		return
 	}

generate/operation.go.tmpl

@@ -1,3 +1,4 @@
+// Code generated by github.com/Khan/genql, DO NOT EDIT.
 package {{.PackageName}}
 
 import (