Track specs repo usage (#96)

* Track specs repo usage

* Handle lowercase URLs too

main.go

@@ -265,6 +265,17 @@ func main() {
 		podfilePath = absPodfilePath
 	}
 
+	isUsingSpecsRepo, err := isPodfileUsingSpecsRepo(podfilePath)
+	if err != nil {
+		log.Warnf("Failed to determine if Podfile is using Specs repo, error: %s", err)
+	} else {
+		tracker.Enqueue("step_cocoapods_install_podfile_used", analytics.Properties{
+			"step_execution_id":   envRepository.Get("BITRISE_STEP_EXECUTION_ID"),
+			"build_slug":          envRepository.Get("BITRISE_BUILD_SLUG"),
+			"is_using_specs_repo": isUsingSpecsRepo,
+		})
+	}
+
 	podfileDir := filepath.Dir(podfilePath)
 
 	//

podfile.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"bufio"
+	"os"
+	"strings"
+)
+
+// isPodfileUsingSpecsRepo returns true if the Podfile contains a source 'https://github.com/CocoaPods/Specs.git'.
+// It returns false if the CDN source or any other 3rd party git source is used.
+func isPodfileUsingSpecsRepo(path string) (bool, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return false, err
+	}
+	defer file.Close()
+
+	specsRepoDefined := false
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		cleanLine := strings.ReplaceAll(line, "\"", "'")
+		cleanLine = strings.ToLower(cleanLine)
+		if cleanLine == "source 'https://github.com/cocoapods/specs.git'" {
+			specsRepoDefined = true
+			break
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return false, err
+	}
+
+	return specsRepoDefined, nil
+}

podfile_test.go

@@ -0,0 +1,122 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestIsPodfileUsingSpecsRepo(t *testing.T) {
+	tests := []struct {
+		name           string
+		podfileContent string
+		expected       bool
+		wantErr        bool
+	}{
+		{
+			name:           "Empty file",
+			podfileContent: "",
+			expected:       false,
+			wantErr:        false,
+		},
+		{
+			name:           "Specs repo defined",
+			podfileContent: repoPodfile,
+			expected:       true,
+			wantErr:        false,
+		},
+		{
+			name:           "Specs repo not defined",
+			podfileContent: cdnPodfile,
+			expected:       false,
+			wantErr:        false,
+		},
+		{
+			name:           "Specs repo defined with quotes and whitespace",
+			podfileContent: repoPodfileWithQuotes,
+			expected:       true,
+			wantErr:        false,
+		},
+		{
+			name: "Other specs repo defined",
+			podfileContent: otherRepoPodfile,
+			expected: false,
+			wantErr: false,
+		},
+		{
+			name: "Specs repo with lowercase URL",
+			podfileContent: repoPodfileLowercase,
+			expected: true,
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			path := filepath.Join(t.TempDir(), "Podfile")
+			err := os.WriteFile(path, []byte(tt.podfileContent), 0777)
+			if err != nil {
+				t.Fatalf(err.Error())
+			}
+
+			actual, err := isPodfileUsingSpecsRepo(path)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Unexpected error status. Got error: %v, want error: %v", err, tt.wantErr)
+			}
+			if actual != tt.expected {
+				t.Errorf("Expected %v, but got %v", tt.expected, actual)
+			}
+		})
+	}
+}
+
+const cdnPodfile = `
+source 'https://cdn.cocoapods.org/'
+
+platform :ios, '11.7'
+
+def common_pods
+    pod 'FirebaseAnalytics', '~> 9.4'
+end
+`
+
+const repoPodfile = `
+source 'https://github.com/CocoaPods/Specs.git'
+
+platform :ios, '11.7'
+
+def common_pods
+    pod 'FirebaseAnalytics', '~> 9.4'
+end
+`
+
+const repoPodfileWithQuotes = `
+source "https://github.com/CocoaPods/Specs.git"  
+
+platform :ios, '11.7'
+
+def common_pods
+    pod 'FirebaseAnalytics', '~> 9.4'
+end
+`
+
+const otherRepoPodfile = `
+source 'https://cdn.cocoapods.org/'
+source 'https://github.com/artsy/Specs.git'
+
+platform :ios, '11.7'
+
+def common_pods
+    pod 'FirebaseAnalytics', '~> 9.4'
+end
+`
+
+const repoPodfileLowercase = `
+source 'https://github.com/cocoapods/specs.git'
+
+platform :ios, '11.7'
+
+def common_pods
+    pod 'FirebaseAnalytics', '~> 9.4'
+end
+`