feat(config): support custom configuration

before: defaultConfig used in commit/config.go
after: supports custome config with .git-czrc in git root dir or userHome path

Author: robertzwj

cmd/root.go

@@ -1,7 +1,7 @@
 /*
  * @Author: robert zhang <robertzhangwenjie@gmail.com>
  * @Date: 2022-08-07 11:20:22
- * @LastEditTime: 2022-08-22 10:22:03
+ * @LastEditTime: 2022-08-23 16:01:05
  * @LastEditors: robert zhang
  * @Description:
  */

commit/config.go

@@ -1,12 +1,72 @@
 /*
  * @Author: robert zhang <robertzhangwenjie@gmail.com>
  * @Date: 2022-08-04 17:12:31
- * @LastEditTime: 2022-08-10 16:55:52
+ * @LastEditTime: 2022-08-29 11:51:15
  * @LastEditors: robert zhang
  * @Description:
  */
 package commit
 
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/robertzhangwenjie/commitizen/git"
+)
+
+var configName = ".git-czrc"
+
+type messageConfig struct {
+	Template string
+	Items    []*Form
+}
+
+func loadConfig() (*messageConfig, error) {
+	var msgConfig = new(messageConfig)
+
+	// 如果当前git仓库根目录下拥有configFile,则优先使用它作为配置文件
+	// loadConfig
+	gitRoot, _ := git.GetCurrentRepositoryRoot()
+	path, config, err := getConfigIn(gitRoot)
+	if err == nil {
+		err := json.Unmarshal(config, &msgConfig)
+		if err != nil {
+			return msgConfig, fmt.Errorf("config %s is not valid: %v", path, err)
+		}
+		return msgConfig, nil
+	}
+
+	// 如果git根目录下没有，家目录下有配置文件，则使用家目录下的配置文件
+	homePath, err := os.UserHomeDir()
+	if err == nil {
+		path, config, err := getConfigIn(homePath)
+		if err == nil {
+			err := json.Unmarshal(config, &msgConfig)
+			if err != nil {
+				return msgConfig, fmt.Errorf("config %s is not valid: %v", path, err)
+			}
+			return msgConfig, nil
+		}
+	}
+
+	// 缺省配置
+	err = json.Unmarshal([]byte(defaultConfig), &msgConfig)
+	return msgConfig, err
+}
+
+// getConfigIn return the config contenct if config exists
+func getConfigIn(path string) (string, []byte, error) {
+	configPath := filepath.Join(path, configName)
+	config, err := os.ReadFile(configPath)
+	// 如果家目录下有配置文件，且git仓库根目录下没有，则使用家目录下的配置文件
+	if err != nil {
+		return configPath, nil, err
+	}
+	return configPath, config, nil
+}
+
 var selectQuestionTemplate = `
 {{- define "option"}}
     {{- if eq .SelectedIndex .CurrentIndex }}{{color .Config.Icons.SelectFocus.Format }}{{ .Config.Icons.SelectFocus.Text }} {{else}}{{color "default"}}  {{end}}

commit/form.go

@@ -1,15 +1,15 @@
 /*
  * @Author: robert zhang <robertzhangwenjie@gmail.com>
  * @Date: 2022-08-05 11:52:41
- * @LastEditTime: 2022-08-10 16:56:47
+ * @LastEditTime: 2022-08-29 11:30:41
  * @LastEditors: robert zhang
  * @Description:
  */
 package commit
 
 import (
 	"bytes"
-	"encoding/json"
+	"fmt"
 	"log"
 	"strings"
 	"text/template"
@@ -30,11 +30,6 @@ type SelectOption struct {
 	Desc string
 }
 
-type messageConfig struct {
-	Template string
-	Items    []*Form
-}
-
 // fill out the form
 func fillOutForm() ([]byte, error) {
 	qs, tmpl, err := loadForm()
@@ -71,9 +66,9 @@ func fillOutForm() ([]byte, error) {
 
 // loadForm load the from with messgaeConfig
 func loadForm() (qs []*survey.Question, template string, err error) {
-	var msgConfig = new(messageConfig)
-	if err = json.Unmarshal([]byte(defaultConfig), &msgConfig); err != nil {
-		return nil, "", err
+	msgConfig, err := loadConfig()
+	if err != nil {
+		return nil, "", fmt.Errorf("load config failed: %v", err)
 	}
 
 	// customize template for showing multiline's answer in new line

git/util.go

@@ -1,7 +1,7 @@
 /*
  * @Author: robert zhang <robertzhangwenjie@gmail.com>
  * @Date: 2022-08-07 18:14:41
- * @LastEditTime: 2022-08-10 15:06:26
+ * @LastEditTime: 2022-08-29 11:43:34
  * @LastEditors: robert zhang
  * @Description:
  */
@@ -30,6 +30,13 @@ func IsGitRepository(dir string) bool {
 	return err == nil
 }
 
+// GetRepositoryRoot get the git root path to which the dir belongs
+func GetCurrentRepositoryRoot() (path string, err error) {
+	cmd := exec.Command("git", "rev-parse", "--show-toplevel")
+	output, err := cmd.Output()
+	return strings.TrimSpace(string((output))), err
+}
+
 // HasStagedFiles determine whether has changes to be committed
 func HasStagedFiles(dir string) bool {
 	cmd := exec.Command("git", "diff", "--quiet", "--cached")