fixing false undefined error

envs/consts.go

@@ -1,11 +1,11 @@
 package envs
 
 import (
-	`regexp`
+	"regexp"
 )
 
 // Compiled regex patterns.
 var (
-	reMaybeInt   *regexp.Regexp = regexp.MustCompilePOSIX(`^(?P<sign>\+|-)[0-9]+$`)
+	reMaybeInt   *regexp.Regexp = regexp.MustCompile(`^(?P<sign>\+|-)[0-9]+$`)
-	reMaybeFloat *regexp.Regexp = regexp.MustCompilePOSIX(`(?P<sign>\+|-)?[0-9]+\.[0-9]+$`)
+	reMaybeFloat *regexp.Regexp = regexp.MustCompile(`(?P<sign>\+|-)?[0-9]+\.[0-9]+$`)
 )

envs/funcs.go

@@ -118,3 +118,17 @@ func GetPidEnvMapNative(pid uint32) (envMap map[string]interface{}, err error) {
 
 	return
 }
+
+/*
+	HasEnv is much like os.LookupEnv, but only returns a boolean for
+	if the environment variable key exists or not.
+
+	This is useful anywhere you may need to set a boolean in a func call
+	depending on the *presence* of an env var or not.
+*/
+func HasEnv(key string) (envIsSet bool) {
+
+	_, envIsSet = os.LookupEnv(key)
+
+	return
+}

envs/utils.go

@@ -16,8 +16,8 @@ func envListToMap(envs []string) (envMap map[string]string) {
 	envMap = make(map[string]string, 0)
 
 	for _, ev := range envs {
-		kv = strings.SplitAfterN(ev, "=", 2)
+		kv = strings.SplitN(ev, "=", 2)
-		// I *think* SplitAfterN does this for me, but...
+		// I *think* SplitN does this for me, but...
 		if len(kv) == 1 {
 			kv = append(kv, "")
 		}
@@ -35,6 +35,8 @@ func nativizeEnvMap(stringMap map[string]string) (envMap map[string]interface{})
 	var pathVar string = internal.GetPathEnvName()
 	var err error
 
+	envMap = make(map[string]interface{}, 0)
+
 	for k, v := range stringMap {
 
 		// Check for PATH/Path - we handle this uniquely.

paths/funcs.go

@@ -20,13 +20,12 @@ package paths
 
 import (
 	"errors"
-	`fmt`
+	"fmt"
-	`io/fs`
+	"io/fs"
 	"os"
 	"os/user"
 	"path/filepath"
-	`strings`
+	"strings"
-
 	// "syscall"
 )
 
@@ -62,7 +61,7 @@ func ExpandHome(path *string) (err error) {
 		}
 	*/
 	// K but do it smarter.
-	unameSplit = strings.SplitAfterN(*path, string(os.PathSeparator), 2)
+	unameSplit = strings.SplitN(*path, string(os.PathSeparator), 2)
 	if len(unameSplit) != 2 {
 		unameSplit = append(unameSplit, "")
 	}
@@ -113,6 +112,8 @@ func MakeDirIfNotExist(path string) (err error) {
 	if !stat.Mode().IsDir() {
 		err = errors.New(fmt.Sprintf("path %v exists but is not a directory", locPath))
 		return
+	} else {
+		return
 	}
 
 	// This should probably never happen. Probably.
@@ -164,7 +165,7 @@ func RealPathExists(path *string) (exists bool, err error) {
 	}
 
 	if _, err = os.Stat(*path); err != nil {
-		if !errors.Is(err, fs.ErrNotExist) {
+		if errors.Is(err, fs.ErrNotExist) {
 			err = nil
 		}
 		return