fix: bad hw pattern

cmd/joj3/conf.go

@@ -1,7 +1,9 @@
 package main
 
 import (
+	"fmt"
 	"log/slog"
+	"regexp"
 	"strings"
 
 	"focs.ji.sjtu.edu.cn/git/FOCS-dev/JOJ3/internal/stage"
@@ -70,6 +72,17 @@ func parseConfFile(path string) (conf Conf, err error) {
 	return
 }
 
+func validateHw(hw string) error {
+	matched, err := regexp.MatchString(`^hw[0-9]+$`, hw)
+	if err != nil {
+		return fmt.Errorf("error compiling regex: %w", err)
+	}
+	if !matched {
+		return fmt.Errorf("error: hw does not match the required pattern")
+	}
+	return nil
+}
+
 func commitMsgToConf() (conf Conf, err error) {
 	r, err := git.PlainOpen(".")
 	if err != nil {
@@ -87,19 +100,36 @@ func commitMsgToConf() (conf Conf, err error) {
 	slog.Debug("commit msg to conf", "msg", msg)
 	line := strings.Split(msg, "\n")[0]
 
-	words := strings.TrimSpace(line)
-	head := string(words[0])
+	words := strings.Fields(line)
 
-	file := "conf.toml"
+	head := words[0]
+	var hw string
 
 	if strings.HasSuffix(head, ":") || strings.HasSuffix(head, ".") {
 		head = head[:len(head)-1]
 	}
+
+	file := "conf.toml"
+
 	switch head {
 	case "feat", "fix", "refactor", "perf", "test", "build", "revert":
-		strings.Replace(file, "conf", "conf-cp", 1)
+		if len(words) < 2 {
+			return Conf{}, fmt.Errorf("error: hw not assigned")
+		}
+		hw = words[1]
+		if err = validateHw(hw); err != nil {
+			return
+		}
+		file = strings.Replace(file, "conf", "conf-"+hw+"-cq", 1)
 	case "joj", "grading":
-		strings.Replace(file, "conf", "conf-oj", 1)
+		if len(words) < 2 {
+			return Conf{}, fmt.Errorf("error: hw not assigned")
+		}
+		hw = words[1]
+		if err = validateHw(hw); err != nil {
+			return
+		}
+		file = strings.Replace(file, "conf", "conf-"+hw+"-oj", 1)
 	}
 
 	conf, err = parseConfFile(file)