meta: add shell script to generate while on linux

generate.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+set -ex
+
+go run ./horsegen "$@"
+go generate ./horse/...
+go fmt ./...
+go test ./...

horsegen/gen.go

@@ -159,6 +159,7 @@ func kkenum(name string) string {
 	}
 	name = strings.ToUpper(name[:1]) + name[1:]
 	if !unicode.IsLetter(rune(name[0])) {
+		//lint:ignore ST1005 proper name
 		panic(fmt.Errorf("Koka enum variant %q (from %q) starts with a non-letter", name, orig))
 	}
 	for _, c := range name {

horsegen/main.go

@@ -20,7 +20,7 @@ func main() {
 		region string
 	)
 	flag.StringVar(&mdb, "mdb", os.ExpandEnv(`$USERPROFILE\AppData\LocalLow\Cygames\Umamusume\master\master.mdb`), "`path` to Umamusume master.mdb")
-	flag.StringVar(&out, "o", `.\horse`, "`dir`ectory for output files")
+	flag.StringVar(&out, "o", `horse`, "`dir`ectory for output files")
 	flag.StringVar(&region, "region", "global", "region the database is for (global, jp)")
 	flag.Parse()
 
@@ -110,6 +110,9 @@ func main() {
 			return err
 		}
 		gf, err := os.Create(filepath.Join(out, region, "skill.go"))
+		if err != nil {
+			return err
+		}
 		slog.Info("write skills")
 		return ExecSkill(t, region, sf, gf, sg, skills)
 	})