Add option to specify the config file path

logwriter/logwriter.go

@@ -2,6 +2,7 @@ package logwriter
 
 import (
 	"bytes"
+	"fmt"
 	"os"
 
 	"github.com/marema31/jocasta/config"
@@ -31,7 +32,7 @@ func New(stream string, c *config.Config) (*LogWriter, error) {
 		currentsize: 0,
 		file:        f,
 	}
-
+	fmt.Printf("Will log std%s on %s with limit:%d and backups:%d\n", stream, p.File, p.Maxsize, p.Backups)
 	return l, nil
 }
 

main.go

@@ -6,23 +6,39 @@ import (
 	"log"
 	"os"
 	"os/exec"
+	"path/filepath"
+	"strings"
 	"sync"
 
 	"github.com/marema31/jocasta/config"
 	"github.com/marema31/jocasta/logwriter"
 )
 
 func main() {
-	if len(os.Args) < 2 || os.Args[1] == "-h" {
-		fmt.Println("usage: jocasta command to run with args")
+
+	i := 1
+	configPath := "."
+	configFile := ".jocasta"
+
+	if len(os.Args) > 2 && os.Args[1] == "-c" {
+		i = 3
+		configPath = filepath.Dir(os.Args[2])
+		configFile = filepath.Base(os.Args[2])
+	}
+
+	if (len(os.Args)-i) < 1 || os.Args[i] == "-h" {
+		fmt.Println("usage: jocasta [-c configFileWithoutExtension] command to run with args")
+		fmt.Println()
+		fmt.Println("The config file name must be provided without the file extension, jocasta will try json, toml and yaml")
 		os.Exit(0)
 	}
 
-	config, err := config.New(".", "jocasta", os.Args[1])
+	config, err := config.New(configPath, configFile, os.Args[i])
 	if err != nil {
 		log.Fatal(err)
 	}
 
+	fmt.Printf("Will run %s\n", strings.Join(os.Args[i:], " "))
 	cmd := exec.Command(os.Args[1], os.Args[2:]...)
 
 	stderr, err := cmd.StderrPipe()
@@ -65,6 +81,7 @@ func main() {
 	}
 }
 
+// will be called as goroutine to allow the stdout and stderr to be captured in parallel
 func transfer(in io.ReadCloser, out io.Writer, wg *sync.WaitGroup) {
 	if _, err := io.Copy(out, in); err != nil {
 		log.Fatal(err)