Read a FACTOM_HOME env variable

engine/factomParams.go

@@ -2,6 +2,7 @@ package engine
 
 import (
 	"flag"
+	"os"
 
 	"github.com/FactomProject/factomd/common/primitives"
 )
@@ -93,6 +94,7 @@ func ParseCmdLine(args []string) *FactomParams {
 	factomdLocationsflag := flag.String("selfaddr", "", "comma seperated IPAddresses and DNS names of this factomd to use when creating a cert file")
 	memProfileRate := flag.Int("mpr", 512*1024, "Set the Memory Profile Rate to update profiling per X bytes allocated. Default 512K, set to 1 to profile everything, 0 to disable.")
 	exposeProfilePtr := flag.Bool("exposeprofiler", false, "Setting this exposes the profiling port to outside localhost.")
+	factomHomePtr := flag.String("factomhome", "", "Set the factom home directory. The .factom folder will be placed here if set, otherwise it will default to $HOME")
 
 	logportPtr := flag.String("logPort", "6060", "Port for pprof logging")
 	portOverridePtr := flag.Int("port", 0, "Port where we serve WSAPI;  default 8088")
@@ -167,5 +169,9 @@ func ParseCmdLine(args []string) *FactomParams {
 	p.torManage = *tormanager
 	p.torUpload = *torUploader
 
+	if *factomHomePtr != "" {
+		os.Setenv("FACTOM_HOME", *factomHomePtr)
+	}
+
 	return p
 }

util/config.go

@@ -320,6 +320,11 @@ func ReadConfig(filename string) *FactomdConfig {
 }
 
 func GetHomeDir() string {
+	factomhome := os.Getenv("FACTOM_HOME")
+	if factomhome != "" {
+		return factomhome
+	}
+
 	// Get the OS specific home directory via the Go standard lib.
 	var homeDir string
 	usr, err := user.Current()