fix: Add JSON Schema

Makefile

@@ -16,7 +16,7 @@ TBLS ?= ./tbls
 
 default: test
 
-ci: depsdev build db test testdoc testdoc_hide_auto_increment test_too_many_tables test_json test_ext_subcommand doc
+ci: depsdev build db test testdoc testdoc_hide_auto_increment test_too_many_tables test_json test_ext_subcommand test_jsonschema doc
 
 ci_windows: depsdev build db_sqlite testdoc_sqlite
 
@@ -147,6 +147,12 @@ test_ext_subcommand: build
 	env PATH="${PWD}/testdata/bin:${PATH}" TBLS_DSN=pg://postgres:pgpass@localhost:55432/testdb?sslmode=disable $(TBLS) echo | grep 'TBLS_DSN=pg://postgres:pgpass@localhost:55432/testdb?sslmode=disable' > /dev/null
 	echo hello | env PATH="${PWD}/testdata/bin:${PATH}" $(TBLS) echo -c ./testdata/ext_subcommand_tbls.yml | grep 'STDIN=hello' > /dev/null
 
+test_jsonschema:
+	cd scripts/jsonschema && go run main.go | diff -u ../../spec/schema_schema.json -
+
+generate_jsonschema:
+	cd scripts/jsonschema && go run main.go > ../../spec/schema_schema.json
+
 generate_test_json: build
 	sqlite3 $(PWD)/filter_tables.sqlite3 < testdata/ddl/filter_tables.sql
 	$(TBLS) out sq://$(PWD)/filter_tables.sqlite3 -t json > testdata/filter_tables.json

scripts/jsonschema/main.go

@@ -12,6 +12,7 @@ import (
 	"github.com/k1LoW/tbls/schema"
 )
 
+// Generate JSON Schema of schema.json.
 func main() {
 	if err := _main(); err != nil {
 		fmt.Println(err)
@@ -31,5 +32,6 @@ func _main() error {
 		return err
 	}
 	fmt.Println(string(b))
+	fmt.Println()
 	return nil
 }