Move packages out of src/

sync/commonUNIX.go

@@ -0,0 +1,54 @@
+//go:build !windows
+
+package sync
+
+import (
+	"fmt"
+	"github.com/rwinkhart/MUTN/src/backend"
+	"io/fs"
+	"os"
+	"path/filepath"
+)
+
+// WalkEntryDir walks the entry directory and returns lists of all files and directories found (two separate lists)
+// regardless of platform, all paths are stored with forward slashes (UNIX-style)
+func WalkEntryDir() ([]string, []string) {
+	// define file/directory containing slices so that they may be accessed by the anonymous WalkDir function
+	var fileList []string
+	var dirList []string
+
+	// walk entry directory
+	_ = filepath.WalkDir(backend.EntryRoot,
+		func(fullPath string, entry fs.DirEntry, err error) error {
+
+			// check for errors encountered while walking directory
+			if err != nil {
+				if os.IsNotExist(err) {
+					fmt.Println(backend.AnsiError+"The entry directory does not exist - run \""+os.Args[0], "init"+"\" to create it"+backend.AnsiReset)
+				} else {
+					// otherwise, print the source of the error
+					fmt.Println(backend.AnsiError + "An unexpected error occurred while generating the entry list: " + err.Error() + backend.AnsiReset)
+				}
+				os.Exit(1)
+			}
+
+			// trim root path from each path before storing
+			trimmedPath := fullPath[rootLength:]
+
+			// append the path to the appropriate slice
+			if !entry.IsDir() {
+				fileList = append(fileList, trimmedPath)
+			} else {
+				dirList = append(dirList, trimmedPath)
+			}
+
+			return nil
+		})
+
+	return fileList, dirList
+}
+
+// joinErrorWithEXE joins and returns the two strings it is provided (in error format) with the executable name inserted between them
+func joinErrorWithEXE(firstHalf, secondHalf string) string {
+	return backend.AnsiError + firstHalf + os.Args[0] + secondHalf + backend.AnsiReset
+}