Update how google drive fma version is created (#42270)

**Related issue:** Resolves #40751

changes/40751-google-drive-brew-version

@@ -0,0 +1 @@
+- Fix Google Drive version not matching upstream

ee/maintained-apps/ingesters/homebrew/external_refs/google_drive_version_shortener.go

@@ -0,0 +1,21 @@
+package externalrefs
+
+import (
+	"strings"
+
+	maintained_apps "github.com/fleetdm/fleet/v4/ee/maintained-apps"
+)
+
+func GoogleDriveVersionShortener(app *maintained_apps.FMAManifestApp) (*maintained_apps.FMAManifestApp, error) {
+	homebrewVersion := app.Version
+
+	// If the google drive version has three or more places, remove all but two
+	// https://github.com/fleetdm/fleet/issues/40751
+	if strings.Count(homebrewVersion, ".") > 1 {
+		split := strings.Split(homebrewVersion, ".")
+		shortVersion := strings.Join(split[0:2], ".")
+		app.Version = shortVersion
+	}
+
+	return app, nil
+}

ee/maintained-apps/ingesters/homebrew/external_refs/google_drive_version_shortener_test.go

@@ -0,0 +1,49 @@
+package externalrefs
+
+import (
+	"testing"
+
+	maintained_apps "github.com/fleetdm/fleet/v4/ee/maintained-apps"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGoogleDriveVersionShortener(t *testing.T) {
+	tcs := []struct {
+		Name     string
+		Version  string
+		Expected string
+	}{
+		{
+			Name:     "no subversion",
+			Version:  "123",
+			Expected: "123",
+		},
+		{
+			Name:     "one subversion",
+			Version:  "123.45",
+			Expected: "123.45",
+		},
+		{
+			Name:     "two subversion",
+			Version:  "123.45.67",
+			Expected: "123.45",
+		},
+		{
+			Name:     "three subversions",
+			Version:  "123.45.67.89",
+			Expected: "123.45",
+		},
+	}
+
+	for _, tc := range tcs {
+		t.Run(tc.Name, func(t *testing.T) {
+			fma := &maintained_apps.FMAManifestApp{
+				Version: tc.Version,
+			}
+			fma2, err := GoogleDriveVersionShortener(fma)
+			assert.Equal(t, tc.Expected, fma.Version)
+			assert.Equal(t, tc.Expected, fma2.Version)
+			assert.NoError(t, err)
+		})
+	}
+}

ee/maintained-apps/ingesters/homebrew/external_refs/main.go

@@ -12,6 +12,7 @@ var Funcs = map[string][]func(*maintained_apps.FMAManifestApp) (*maintained_apps
 	"brave-browser/darwin":          {BraveVersionTransformer},
 	"whatsapp/darwin":               {WhatsAppVersionShortener, WhatsAppInstallerURL},
 	"google-chrome/darwin":          {ChromePKGInstaller},
+	"google-drive/darwin":           {GoogleDriveVersionShortener},
 	"1password/darwin":              {OnePasswordPKGInstaller},
 	"zoom/darwin":                   {ZoomPKGInstaller},
 	"slack/darwin":                  {SlackPKGInstaller},