check value pf CRC_HOME_DIR environment variable while setting base directory

Author: vyasgun

pkg/crc/constants/constants.go

@@ -20,7 +20,8 @@ const (
 	DefaultSSHUser = "core"
 	DefaultSSHPort = 22
 
-	CrcEnvPrefix = "CRC"
+	CrcEnvPrefix     = "CRC"
+	CrcHomeDirEnvKey = "CRC_HOME_DIR"
 
 	ConfigFile                = "crc.json"
 	LogFile                   = "crc.log"
@@ -103,7 +104,7 @@ func GetDefaultBundle(preset crcpreset.Preset) string {
 }
 
 var (
-	CrcBaseDir         = filepath.Join(GetHomeDir(), ".crc")
+	CrcBaseDir         = getBaseDir(filepath.Join(GetHomeDir(), ".crc"))
 	CrcBinDir          = filepath.Join(CrcBaseDir, "bin")
 	CrcOcBinDir        = filepath.Join(CrcBinDir, "oc")
 	CrcPodmanBinDir    = filepath.Join(CrcBinDir, "podman")
@@ -119,6 +120,17 @@ var (
 	PasswdFilePath     = filepath.Join(MachineInstanceDir, DefaultName, "passwd")
 )
 
+func getBaseDir(defaultDir string) string {
+	path := os.Getenv(CrcHomeDirEnvKey)
+	if path == "" {
+		return defaultDir
+	}
+	if _, err := os.Stat(path); err != nil {
+		return defaultDir
+	}
+	return path
+}
+
 func GetDefaultBundlePath(preset crcpreset.Preset) string {
 	return filepath.Join(MachineCacheDir, GetDefaultBundle(preset))
 }