feat: sort kcl.mod

Signed-off-by: Asish Kumar <officialasishkumar@gmail.com>

pkg/package/modfile.go

@@ -7,6 +7,7 @@ import (
 	"net/url"
 	"os"
 	"path/filepath"
+	"sort"
 	"strings"
 
 	"github.com/BurntSushi/toml"
@@ -146,6 +147,21 @@ type Dependencies struct {
 	Deps map[string]Dependency `json:"packages" toml:"dependencies,omitempty"`
 }
 
+// SortMapByKey will sort the dependencies by key.
+func (deps *Dependencies) SortMapByKey() {
+	keys := make([]string, 0, len(deps.Deps))
+	for k := range deps.Deps {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+
+	sortedDeps := make(map[string]Dependency)
+	for _, k := range keys {
+		sortedDeps[k] = deps.Deps[k]
+	}
+	deps.Deps = sortedDeps
+}
+
 // ToDepMetadata will transform the dependencies into metadata.
 // And check whether the dependency name conflicts.
 func (deps *Dependencies) ToDepMetadata() (*Dependencies, error) {

pkg/package/package.go

@@ -175,6 +175,7 @@ func (kclPkg *KclPkg) LocalVendorPath() string {
 // updateModAndLockFile will update kcl.mod and kcl.mod.lock
 func (kclPkg *KclPkg) UpdateModAndLockFile() error {
 	// Generate file kcl.mod.
+	kclPkg.ModFile.Dependencies.SortMapByKey()
 	err := kclPkg.ModFile.StoreModFile()
 	if err != nil {
 		return err