fix linting issues

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

cli/command/image/build/internal/git/gitutils.go

@@ -148,6 +148,9 @@ func supportsShallowClone(remoteURL string) bool {
 
 		// Try a HEAD request and fallback to a Get request on error
 		res, err := http.Head(serviceURL) // #nosec G107
+		if res != nil && res.Body != nil {
+			defer res.Body.Close()
+		}
 		if err != nil || res.StatusCode != http.StatusOK {
 			res, err = http.Get(serviceURL) // #nosec G107
 			if err == nil {

cli/command/image/build/internal/git/gitutils_test.go

@@ -350,15 +350,15 @@ func TestValidGitTransport(t *testing.T) {
 		"github.com/docker/docker",
 	}
 
-	for _, url := range gitUrls {
-		if !isGitTransport(url) {
-			t.Fatalf("%q should be detected as valid Git prefix", url)
+	for _, u := range gitUrls {
+		if !isGitTransport(u) {
+			t.Fatalf("%q should be detected as valid Git prefix", u)
 		}
 	}
 
-	for _, url := range incompleteGitUrls {
-		if isGitTransport(url) {
-			t.Fatalf("%q should not be detected as valid Git prefix", url)
+	for _, u := range incompleteGitUrls {
+		if isGitTransport(u) {
+			t.Fatalf("%q should not be detected as valid Git prefix", u)
 		}
 	}
 }
@@ -371,8 +371,8 @@ func TestGitInvalidRef(t *testing.T) {
 		"git@g.com:a/b.git#with space",
 	}
 
-	for _, url := range gitUrls {
-		_, err := Clone(url)
+	for _, u := range gitUrls {
+		_, err := Clone(u)
 		assert.Assert(t, err != nil)
 		// On Windows, git has different case for the "invalid refspec" error,
 		// so we can't use ErrorContains.