fix check-versions

check-versions.go

@@ -2,43 +2,25 @@ package main
 
 import (
 	"fmt"
-	"os"
 	"os/exec"
-	"runtime"
 	"strings"
 )
 
-func validateos() {
-	if runtime.GOOS == "windows" {
-		fmt.Println("Can't Execute this on a windows machine")
-		os.Exit(1)
-	}
-}
 
-func execute(cmdstr string) string {
-
-	validateos()
-
-	var cmdargs = strings.Split(cmdstr, " ")      // string arrayified
-	var cmd = cmdargs[0]                          // command
+func execute(cmdstr string) (string, error) {
+	cmdargs := strings.Split(cmdstr, " ")         // string arrayified
+	cmd := cmdargs[0]                             // command
 	cmdargs = append(cmdargs[:0], cmdargs[1:]...) // argument array sans cmd
 	out, err := exec.Command(cmd, cmdargs...).CombinedOutput()
-	var output string
-
-	if err != nil {
-		output = err.Error()
-	} else {
-		output = string(out[:])
-	}
-	return output
+	return string(out[:]), err
 }
 
 func main() {
-	gitver := execute("git --version")
+	gitver, _ := execute("git --version")
 	verno := strings.Split(gitver, " ")[2]
 	fmt.Println(verno)
 
-	gcnf := execute("git config -l")
+	gcnf, _ := execute("git config -l")
 
 	config := strings.Split(gcnf, "\n")
 	for i, v := range config {
@@ -51,7 +33,7 @@ func main() {
 		fmt.Printf("%d: %s = '%s' \n", i, key, val)
 	}
 
-	glog := execute("git log --oneline")
+	glog, _ := execute("git log --oneline")
 	logarray := strings.Split(glog, "\n")
 	for _, v := range logarray {
 		entryarray := strings.SplitN(v, " ", 2)