diff --git a/modules/git/repo.go b/modules/git/repo.go
index ec95bc7a810..c1b0c55cbd9 100644
--- a/modules/git/repo.go
+++ b/modules/git/repo.go
@@ -97,15 +97,16 @@ func (repo *Repository) IsEmpty() (bool, error) {
 
 // CloneRepoOptions options when clone a repository
 type CloneRepoOptions struct {
-	Timeout    time.Duration
-	Mirror     bool
-	Bare       bool
-	Quiet      bool
-	Branch     string
-	Shared     bool
-	NoCheckout bool
-	Depth      int
-	Filter     string
+	Timeout       time.Duration
+	Mirror        bool
+	Bare          bool
+	Quiet         bool
+	Branch        string
+	Shared        bool
+	NoCheckout    bool
+	Depth         int
+	Filter        string
+	SkipTLSVerify bool
 }
 
 // Clone clones original repository to target path.
@@ -128,6 +129,9 @@ func CloneWithArgs(ctx context.Context, from, to string, args []string, opts Clo
 	}
 
 	cmd := NewCommandContextNoGlobals(ctx, args...).AddArguments("clone")
+	if opts.SkipTLSVerify {
+		cmd.AddArguments("-c", "http.sslVerify=false")
+	}
 	if opts.Mirror {
 		cmd.AddArguments("--mirror")
 	}
diff --git a/modules/repository/repo.go b/modules/repository/repo.go
index 17c0135ad7c..83db165a5b2 100644
--- a/modules/repository/repo.go
+++ b/modules/repository/repo.go
@@ -72,9 +72,10 @@ func MigrateRepositoryGitData(ctx context.Context, u *user_model.User,
 	}
 
 	if err = git.CloneWithContext(ctx, opts.CloneAddr, repoPath, git.CloneRepoOptions{
-		Mirror:  true,
-		Quiet:   true,
-		Timeout: migrateTimeout,
+		Mirror:        true,
+		Quiet:         true,
+		Timeout:       migrateTimeout,
+		SkipTLSVerify: setting.Migrations.SkipTLSVerify,
 	}); err != nil {
 		return repo, fmt.Errorf("Clone: %v", err)
 	}
@@ -88,10 +89,11 @@ func MigrateRepositoryGitData(ctx context.Context, u *user_model.User,
 			}
 
 			if err = git.CloneWithContext(ctx, wikiRemotePath, wikiPath, git.CloneRepoOptions{
-				Mirror:  true,
-				Quiet:   true,
-				Timeout: migrateTimeout,
-				Branch:  "master",
+				Mirror:        true,
+				Quiet:         true,
+				Timeout:       migrateTimeout,
+				Branch:        "master",
+				SkipTLSVerify: setting.Migrations.SkipTLSVerify,
 			}); err != nil {
 				log.Warn("Clone wiki: %v", err)
 				if err := util.RemoveAll(wikiPath); err != nil {
@@ -310,7 +312,7 @@ func PushUpdateAddTag(repo *repo_model.Repository, gitRepo *git.Repository, tagN
 	}
 
 	var author *user_model.User
-	var createdAt = time.Unix(1, 0)
+	createdAt := time.Unix(1, 0)
 
 	if sig != nil {
 		author, err = user_model.GetUserByEmail(sig.Email)
@@ -325,7 +327,7 @@ func PushUpdateAddTag(repo *repo_model.Repository, gitRepo *git.Repository, tagN
 		return fmt.Errorf("unable to get CommitsCount: %w", err)
 	}
 
-	var rel = models.Release{
+	rel := models.Release{
 		RepoID:       repo.ID,
 		TagName:      tagName,
 		LowerTagName: strings.ToLower(tagName),
diff --git a/services/migrations/dump.go b/services/migrations/dump.go
index 1a8a3d296c0..9a7aac82abe 100644
--- a/services/migrations/dump.go
+++ b/services/migrations/dump.go
@@ -22,14 +22,13 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	base "code.gitea.io/gitea/modules/migration"
 	"code.gitea.io/gitea/modules/repository"
+	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/structs"
 
 	"gopkg.in/yaml.v2"
 )
 
-var (
-	_ base.Uploader = &RepositoryDumper{}
-)
+var _ base.Uploader = &RepositoryDumper{}
 
 // RepositoryDumper implements an Uploader to the local directory
 type RepositoryDumper struct {
@@ -151,9 +150,10 @@ func (g *RepositoryDumper) CreateRepo(repo *base.Repository, opts base.MigrateOp
 	}
 
 	err = git.Clone(remoteAddr, repoPath, git.CloneRepoOptions{
-		Mirror:  true,
-		Quiet:   true,
-		Timeout: migrateTimeout,
+		Mirror:        true,
+		Quiet:         true,
+		Timeout:       migrateTimeout,
+		SkipTLSVerify: setting.Migrations.SkipTLSVerify,
 	})
 	if err != nil {
 		return fmt.Errorf("Clone: %v", err)
@@ -168,10 +168,11 @@ func (g *RepositoryDumper) CreateRepo(repo *base.Repository, opts base.MigrateOp
 			}
 
 			if err := git.Clone(wikiRemotePath, wikiPath, git.CloneRepoOptions{
-				Mirror:  true,
-				Quiet:   true,
-				Timeout: migrateTimeout,
-				Branch:  "master",
+				Mirror:        true,
+				Quiet:         true,
+				Timeout:       migrateTimeout,
+				Branch:        "master",
+				SkipTLSVerify: setting.Migrations.SkipTLSVerify,
 			}); err != nil {
 				log.Warn("Clone wiki: %v", err)
 				if err := os.RemoveAll(wikiPath); err != nil {
@@ -403,7 +404,7 @@ func (g *RepositoryDumper) createItems(dir string, itemFiles map[int64]*os.File,
 
 // CreateComments creates comments of issues
 func (g *RepositoryDumper) CreateComments(comments ...*base.Comment) error {
-	var commentsMap = make(map[int64][]interface{}, len(comments))
+	commentsMap := make(map[int64][]interface{}, len(comments))
 	for _, comment := range comments {
 		commentsMap[comment.IssueIndex] = append(commentsMap[comment.IssueIndex], comment)
 	}
@@ -532,7 +533,7 @@ func (g *RepositoryDumper) CreatePullRequests(prs ...*base.PullRequest) error {
 
 // CreateReviews create pull request reviews
 func (g *RepositoryDumper) CreateReviews(reviews ...*base.Review) error {
-	var reviewsMap = make(map[int64][]interface{}, len(reviews))
+	reviewsMap := make(map[int64][]interface{}, len(reviews))
 	for _, review := range reviews {
 		reviewsMap[review.IssueIndex] = append(reviewsMap[review.IssueIndex], review)
 	}
@@ -611,7 +612,7 @@ func RestoreRepository(ctx context.Context, baseDir, ownerName, repoName string,
 	if err != nil {
 		return err
 	}
-	var uploader = NewGiteaLocalUploader(ctx, doer, ownerName, repoName)
+	uploader := NewGiteaLocalUploader(ctx, doer, ownerName, repoName)
 	downloader, err := NewRepositoryRestorer(ctx, baseDir, ownerName, repoName)
 	if err != nil {
 		return err
@@ -622,7 +623,7 @@ func RestoreRepository(ctx context.Context, baseDir, ownerName, repoName string,
 	}
 	tp, _ := strconv.Atoi(opts["service_type"])
 
-	var migrateOpts = base.MigrateOptions{
+	migrateOpts := base.MigrateOptions{
 		GitServiceType: structs.GitServiceType(tp),
 	}
 	updateOptionsUnits(&migrateOpts, units)