feat: added go git integration for templates check

Author: mahendraintelops

cmd/generate.go

@@ -1,6 +1,8 @@
 package cmd
 
 import (
+	"errors"
+	git_checker "github.com/intelops/compage/cmd/git-checker"
 	"github.com/intelops/compage/cmd/models"
 	"github.com/intelops/compage/internal/converter/cmd"
 	"github.com/intelops/compage/internal/handlers"
@@ -75,6 +77,20 @@ func GenerateCode() error {
 			return err
 		}
 		log.Debugf("template pulled successfully for language %s", node.Language)
+
+		// check if the templates sha is matching
+		repoPath := "/home/mahendrabagul/.compage/templates/compage-template-go"
+		repoURL := "[email protected]:intelops/compage-template-go.git"
+		branchName := "template-v8"
+		commitSimilar, err := git_checker.CheckIfSHACommitSimilar(repoPath, repoURL, branchName)
+		if err != nil {
+			log.Errorf("error while checking the commit sha [" + err.Error() + "]")
+			return err
+		}
+		if !commitSimilar {
+			log.Errorf("the templates are not matching with the latest commit, please pull the latest templates")
+			return errors.New("the templates are not matching with the latest commit, please pull the latest templates")
+		}
 	}
 
 	// triggers project generation, process the request

cmd/git-checker/git-commands.go

@@ -0,0 +1,70 @@
+package git_checker
+
+import (
+	"fmt"
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/config"
+	"github.com/go-git/go-git/v5/storage/memory"
+	log "github.com/sirupsen/logrus"
+)
+
+func CheckIfSHACommitSimilar(repoPath, repoURL, branchName string) (bool, error) {
+	// Get local commit SHA
+	localSHA, err := GetLocalGitCommitSHA(repoPath)
+	if err != nil {
+		log.Error("Error fetching local Git commit SHA:", err)
+		return false, err
+	}
+
+	// Get remote commit SHA
+	remoteSHA, err := GetRemoteGitCommitSHA(repoURL, branchName)
+	if err != nil {
+		log.Errorf("Error fetching remote Git commit SHA: %s", err)
+		return false, err
+	}
+
+	return localSHA == remoteSHA, nil
+}
+
+func GetLocalGitCommitSHA(repoPath string) (string, error) {
+	log.Debugf("repoPath: %s", repoPath)
+	// Open the given repository
+	r, err := git.PlainOpen(repoPath)
+	if err != nil {
+		log.Errorf("Error opening repository: %s", err)
+		return "", err
+	}
+
+	// Get the HEAD reference
+	ref, err := r.Head()
+	if err != nil {
+		log.Errorf("Error getting HEAD reference: %s", err)
+		return "", err
+	}
+
+	// Get the commit SHA
+	commitSHA := ref.Hash().String()
+
+	return commitSHA, nil
+}
+
+func GetRemoteGitCommitSHA(repoURL, branchName string) (string, error) {
+	// List remote references
+	references, err := git.NewRemote(memory.NewStorage(), &config.RemoteConfig{
+		Name: "origin",
+		URLs: []string{repoURL},
+	}).List(&git.ListOptions{})
+	if err != nil {
+		log.Errorf("Error listing remote references: %s", err)
+		return "", err
+	}
+
+	// Look for the branch reference
+	for _, ref := range references {
+		if ref.Name().String() == "refs/heads/"+branchName {
+			return ref.Hash().String(), nil
+		}
+	}
+
+	return "", fmt.Errorf("branch %s not found", branchName)
+}

go.mod

@@ -1,6 +1,6 @@
 module github.com/intelops/compage
 
-go 1.21
+go 1.22
 
 require (
 	github.com/gertd/go-pluralize v0.2.1
@@ -22,7 +22,6 @@ require (
 )
 
 require (
-	cloud.google.com/go/compute v1.23.3 // indirect
 	dario.cat/mergo v1.0.0 // indirect
 	github.com/Microsoft/go-winio v0.6.1 // indirect
 	github.com/ProtonMail/go-crypto v0.0.0-20230923063757-afb1ddc0824c // indirect