Source downloaded to new source folder

src/3_get_busybox.sh

@@ -1,13 +1,23 @@
-#/bin/sh
+#!/bin/sh
 
+# Grab everything after the '=' sign
 DOWNLOAD_URL=$(grep -i BUSYBOX_SOURCE_URL .config | cut -f2 -d'=')
+
+# Grab everything after the last '/'
 ARCHIVE_FILE=${DOWNLOAD_URL##*/}
 
-cd work
-rm -f $ARCHIVE_FILE
-wget $DOWNLOAD_URL
-rm -rf busybox
-mkdir busybox
-tar -xvf $ARCHIVE_FILE -C busybox
+cd source
+
+# Downloading busybox source
+# -c option allows the download to resume
+wget -c $DOWNLOAD_URL
+
+# Delete folder with previously extracted busybox
+rm -rf ../work/busybox
+mkdir ../work/busybox
+
+# Extract kernel to folder 'busybox'
+# Full path will be something like, busybox\busybox-1.22.1
+tar -xvf $ARCHIVE_FILE -C ../work/busybox
 cd ..