fix docs, error handling and managed proxy auth

Signed-off-by: Sanskar Jaiswal <jaiswalsanskar078@gmail.com>

controllers/gitrepository_controller.go

@@ -735,7 +735,7 @@ func (r *GitRepositoryReconciler) gitCheckout(ctx context.Context,
 	// managed GIT transport only affects the libgit2 implementation
 	if managed.Enabled() && obj.Spec.GitImplementation == sourcev1.LibGit2Implementation {
 		// We set the TransportOptionsURL of this set of authentication options here by constructing
-		// a unique ID that won't clash in a multi tenant environment. This unique ID is used by
+		// a unique URL that won't clash in a multi tenant environment. This unique URL is used by
 		// libgit2 managed transports. This enables us to bypass the inbuilt credentials callback in
 		// libgit2, which is inflexible and unstable.
 		if strings.HasPrefix(obj.Spec.URL, "http") {
@@ -745,7 +745,7 @@ func (r *GitRepositoryReconciler) gitCheckout(ctx context.Context,
 		} else {
 			e := &serror.Stalling{
 				Err:    fmt.Errorf("git repository URL has invalid transport type: '%s'", obj.Spec.URL),
-				Reason: sourcev1.GitOperationFailedReason,
+				Reason: sourcev1.URLInvalidReason,
 			}
 			return nil, e
 		}

internal/features/features.go

@@ -67,7 +67,7 @@ func Enabled(feature string) (bool, error) {
 }
 
 // Disable disables the specified feature. If the feature is not
-// present, it's a no-op
+// present, it's a no-op.
 func Disable(feature string) {
 	if _, ok := features[feature]; ok {
 		features[feature] = false

main.go

@@ -316,7 +316,7 @@ func main() {
 		if optimize, _ := feathelper.Enabled(features.OptimizedGitClones); optimize {
 			features.Disable(features.OptimizedGitClones)
 			setupLog.Info(
-				"disabling optimzied git clones; git clones can only be optimized when using managed transort",
+				"disabling optimized git clones; git clones can only be optimized when using managed transport",
 			)
 		}
 	}

pkg/git/libgit2/managed/http.go

@@ -47,7 +47,6 @@ import (
 	"bytes"
 	"crypto/tls"
 	"crypto/x509"
-	"encoding/base64"
 	"errors"
 	"fmt"
 	"io"
@@ -212,12 +211,6 @@ func createClientRequest(targetURL string, action git2go.SmartServiceAction,
 	if authOpts != nil {
 		if len(authOpts.Username) > 0 {
 			req.SetBasicAuth(authOpts.Username, authOpts.Password)
-			if t.Proxy != nil {
-				t.ProxyConnectHeader.Set(
-					"Authorization",
-					"Basic "+basicAuth(authOpts.Username, authOpts.Password),
-				)
-			}
 		}
 		if len(authOpts.CAFile) > 0 {
 			certPool := x509.NewCertPool()
@@ -413,9 +406,3 @@ func (self *httpSmartSubtransportStream) sendRequest() error {
 	self.sentRequest = true
 	return nil
 }
-
-// From: https://github.com/golang/go/blob/go1.18/src/net/http/client.go#L418
-func basicAuth(username, password string) string {
-	auth := username + ":" + password
-	return base64.StdEncoding.EncodeToString([]byte(auth))
-}

pkg/git/libgit2/managed/options.go

@@ -32,7 +32,7 @@ type TransportOptions struct {
 }
 
 var (
-	// transportOpts maps a unique url to a set of transport options.
+	// transportOpts maps a unique URL to a set of transport options.
 	transportOpts = make(map[string]TransportOptions, 0)
 	m             sync.RWMutex
 )

pkg/git/libgit2/managed_test.go

@@ -472,8 +472,6 @@ func Test_ManagedHTTPCheckout(t *testing.T) {
 	g.Expect(err).ToNot(HaveOccurred())
 	defer server.StopHTTP()
 
-	// Force managed transport to be enabled
-
 	repoPath := "test.git"
 	err = server.InitRepo("../testdata/git/repo", git.DefaultBranch, repoPath)
 	g.Expect(err).ToNot(HaveOccurred())

pkg/git/strategy/proxy/strategy_proxy_test.go

@@ -320,10 +320,10 @@ func TestCheckoutStrategyForImplementation_Proxied(t *testing.T) {
 			defer proxyServer.Close()
 
 			// Set the proxy env vars for both HTTP and HTTPS because go-git caches them.
-			os.Setenv("HTTPS_PROXY", fmt.Sprintf("http://%s", proxyAddr))
+			os.Setenv("HTTPS_PROXY", fmt.Sprintf("http://smth:else@%s", proxyAddr))
 			defer os.Unsetenv("HTTPS_PROXY")
 
-			os.Setenv("HTTP_PROXY", fmt.Sprintf("http://%s", proxyAddr))
+			os.Setenv("HTTP_PROXY", fmt.Sprintf("http://smth:else@%s", proxyAddr))
 			defer os.Unsetenv("HTTP_PROXY")
 
 			os.Setenv("NO_PROXY", "*.0.2.1")