From dc4a3da0cd97aa3e66e2cec950447a4155615f42 Mon Sep 17 00:00:00 2001
From: AlexSanchez-bit <sanchez.saez.alex01@gmail.com>
Date: Wed, 7 Jan 2026 11:54:49 -0500
Subject: [PATCH] feat[installer](version): added --prerelease command to
 install latest pre release versions

---
 installer/config/const.go     |  1 +
 installer/main.go             |  8 +++++
 installer/updater/versions.go | 55 ++++++++++++++++++++++++++++++-----
 3 files changed, 56 insertions(+), 8 deletions(-)

diff --git a/installer/config/const.go b/installer/config/const.go
index 6ed360efe..b152300ed 100644
--- a/installer/config/const.go
+++ b/installer/config/const.go
@@ -14,6 +14,7 @@ const (
 	HealthEndpoint             = "/api/v1/health"
 	LogCollectorEndpoint       = "/api/v1/logcollectors/upload"
 	GetLatestVersionEndpoint   = "/api/v1/versions/latest"
+	GetLatestPreReleaseVersionsEndpoint        = "/api/v1/versions/latest-prerelease"
 
 	GitHubReleasesURL = "https://github.com/utmstack/UTMStack/releases/download/%s/installer"
 
diff --git a/installer/main.go b/installer/main.go
index 6a346514c..15708e79b 100644
--- a/installer/main.go
+++ b/installer/main.go
@@ -48,6 +48,14 @@ func main() {
 				os.Exit(1)
 			}
 
+		case "--prerelease":
+			updater.PreReleaseVersion=true
+			err := Install("")
+			if err != nil {
+				fmt.Printf("\nerror installing UTMStack: %v", err)
+				os.Exit(1)
+			}
+
 		default:
 			help()
 		}
diff --git a/installer/updater/versions.go b/installer/updater/versions.go
index 45948c29d..aaa689f4e 100644
--- a/installer/updater/versions.go
+++ b/installer/updater/versions.go
@@ -19,6 +19,7 @@ var (
 	version         = VersionFile{}
 	versionOnce     sync.Once
 	SpecificVersion string // Version specified via command line flag
+	PreReleaseVersion bool = false
 )
 
 func GetVersion() (VersionFile, error) {
@@ -31,15 +32,29 @@ func GetVersion() (VersionFile, error) {
 				version.Changelog = ""
 				version.Edition = "community"
 			} else if config.ConnectedToInternet {
-				latestVersion, errFetch := fetchLatestVersionFromCM()
-				if errFetch != nil {
-					config.Logger().Info("Could not fetch latest version from CM, using installer version: %v", errFetch)
-					version.Version = config.INSTALLER_VERSION
-					version.Changelog = ""
-				} else {
-					version.Version = latestVersion.Version
-					version.Changelog = latestVersion.Changelog
+				if PreReleaseVersion{
+					latestVersion, errFetch := fetchLatestPreReleaseVersionFromCM()
+					if errFetch != nil {
+						config.Logger().Info("Could not fetch latest pre release version from CM, using installer version: %v", errFetch)
+						version.Version = config.INSTALLER_VERSION
+						version.Changelog = ""
+					} else {
+						version.Version = latestVersion.Version
+						version.Changelog = latestVersion.Changelog
+					}
+				}else{
+
+					latestVersion, errFetch := fetchLatestVersionFromCM()
+					if errFetch != nil {
+						config.Logger().Info("Could not fetch latest version from CM, using installer version: %v", errFetch)
+						version.Version = config.INSTALLER_VERSION
+						version.Changelog = ""
+					} else {
+						version.Version = latestVersion.Version
+						version.Changelog = latestVersion.Changelog
+					}
 				}
+
 				version.Edition = "community"
 			} else {
 				versionFromTar, errB := ExtractVersionFromFolder(config.ImagesPath)
@@ -241,3 +256,27 @@ func fetchLatestVersionFromCM() (*VersionDTO, error) {
 
 	return &resp, nil
 }
+
+
+
+func fetchLatestPreReleaseVersionFromCM() (*VersionDTO, error) {
+	url := fmt.Sprintf("%s%s", config.GetCMServer(), config.GetLatestPreReleaseVersionsEndpoint)
+
+	resp, status, err := utils.DoReq[VersionDTO](
+		url,
+		nil,
+		http.MethodGet,
+		nil,
+		nil,
+	)
+
+	if err != nil {
+		return nil, fmt.Errorf("error fetching latest version: %v", err)
+	}
+
+	if status != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status code: %d", status)
+	}
+
+	return &resp, nil
+}