Make sure git version&feature are always prepared (#30877)

Otherwise there would be more similar issues like #29287

services/gitdiff/gitdiff.go

@@ -1143,7 +1143,7 @@ func GetDiff(ctx context.Context, gitRepo *git.Repository, opts *DiffOptions, fi
 	// so if we are using at least this version of git we don't have to tell ParsePatch to do
 	// the skipping for us
 	parsePatchSkipToFile := opts.SkipTo
-	if opts.SkipTo != "" && git.CheckGitVersionAtLeast("2.31") == nil {
+	if opts.SkipTo != "" && git.DefaultFeatures().CheckVersionAtLeast("2.31") {
 		cmdDiff.AddOptionFormat("--skip-to=%s", opts.SkipTo)
 		parsePatchSkipToFile = ""
 	}

services/pull/patch.go

@@ -383,7 +383,7 @@ func checkConflicts(ctx context.Context, pr *issues_model.PullRequest, gitRepo *
 		cmdApply.AddArguments("--ignore-whitespace")
 	}
 	is3way := false
-	if git.CheckGitVersionAtLeast("2.32.0") == nil {
+	if git.DefaultFeatures().CheckVersionAtLeast("2.32.0") {
 		cmdApply.AddArguments("--3way")
 		is3way = true
 	}

services/pull/temp_repo.go

@@ -104,7 +104,7 @@ func createTemporaryRepoForPR(ctx context.Context, pr *issues_model.PullRequest)
 	baseBranch := "base"
 
 	fetchArgs := git.TrustedCmdArgs{"--no-tags"}
-	if git.CheckGitVersionAtLeast("2.25.0") == nil {
+	if git.DefaultFeatures().CheckVersionAtLeast("2.25.0") {
 		// Writing the commit graph can be slow and is not needed here
 		fetchArgs = append(fetchArgs, "--no-write-commit-graph")
 	}

services/repository/files/patch.go

@@ -148,7 +148,7 @@ func ApplyDiffPatch(ctx context.Context, repo *repo_model.Repository, doer *user
 	stderr := &strings.Builder{}
 
 	cmdApply := git.NewCommand(ctx, "apply", "--index", "--recount", "--cached", "--ignore-whitespace", "--whitespace=fix", "--binary")
-	if git.CheckGitVersionAtLeast("2.32") == nil {
+	if git.DefaultFeatures().CheckVersionAtLeast("2.32") {
 		cmdApply.AddArguments("-3")
 	}