Make sure we always return to the source folder.

src/02_get_kernel.sh

@@ -35,5 +35,5 @@ mkdir ../work/kernel
 # Full path will be something like 'work/kernel/linux-4.4.6'.
 tar -xvf $ARCHIVE_FILE -C ../work/kernel
 
-cd ..
+cd $SRC_DIR
 

src/03_build_kernel.sh

@@ -54,5 +54,5 @@ make \
 echo "Generating kernel headers..."
 make headers_install
 
-cd ../../..
+cd $SRC_DIR
 

src/04_get_glibc.sh

@@ -35,5 +35,5 @@ mkdir ../work/glibc
 # Full path will be something like 'work/glibc/glibc-2.23'.
 tar -xvf $ARCHIVE_FILE -C ../work/glibc
 
-cd ..
+cd $SRC_DIR
 

src/05_build_glibc.sh

@@ -1,10 +1,12 @@
 #!/bin/sh
 
+SRC_DIR=$(pwd)
+
 # Find the kernel build directory.
 cd work/kernel
 cd $(ls -d linux-*)
 WORK_KERNEL_DIR=$(pwd)
-cd ../../..
+cd $SRC_DIR
 
 cd work/glibc
 
@@ -52,5 +54,5 @@ make install \
   DESTDIR=$GLIBC_INSTALLED \
   -j $(grep ^processor /proc/cpuinfo | wc -l)
 
-cd ../../..
+cd $SRC_DIR
 

src/06_prepare_glibc.sh

@@ -1,14 +1,16 @@
 #!/bin/sh
 
+SRC_DIR=$(pwd)
+
 # Find the kernel build directory.
 cd work/kernel
 cd $(ls -d *)
 WORK_KERNEL_DIR=$(pwd)
-cd ../../..
+cd $SRC_DIR
 
 cd work/glibc
 
-echo "Preparing glibc..."
+echo "Preparing glibc. This may take a while..."
 
 rm -rf glibc_prepared
 cp -r glibc_installed glibc_prepared
@@ -46,5 +48,5 @@ ln -s $WORK_KERNEL_DIR/usr/include/asm asm
 ln -s $WORK_KERNEL_DIR/usr/include/asm-generic asm-generic
 ln -s $WORK_KERNEL_DIR/usr/include/mtd mtd
 
-cd ../../../..
+cd $SRC_DIR
 

src/07_get_busybox.sh

@@ -35,5 +35,5 @@ mkdir ../work/busybox
 # Full path will be something like 'work/busybox/busybox-1.24.2'.
 tar -xvf $ARCHIVE_FILE -C ../work/busybox
 
-cd ..
+cd $SRC_DIR
 

src/08_build_busybox.sh

@@ -59,5 +59,5 @@ make \
   CONFIG_PREFIX="../busybox_installed" \
   install
 
-cd ../../..
+cd $SRC_DIR
 

src/09_generate_rootfs.sh

@@ -36,10 +36,10 @@ else
   echo "Source files and folders have been skipped."
 fi
 
-# This is for the dynamic loader. Note that the file name and the the location
+# This is for the dynamic loader. Note that the name and the location are both
-# are both specific for 32-bit and 64-bit machines. First we check the BusyBox
+# specific for 32-bit and 64-bit machines. First we check the BusyBox executable
-# executable and then we copy the loader to its appropriate location.
+# and then we copy the dynamic loader to its appropriate location.
-BUSYBOX_ARCH=$(file bin/busybox | cut -d\  -f3)
+BUSYBOX_ARCH=$(file bin/busybox | cut -d' '  -f3)
 if [ "$BUSYBOX_ARCH" = "64-bit" ] ; then
   mkdir lib64
   cp $GLIBC_PREPARED/lib/ld-linux* lib64

src/10_pack_rootfs.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+SRC_DIR=$(pwd)
+
 cd work
 
 # Remove the old 'initramfs' archive if it exists.
@@ -11,5 +13,5 @@ cd rootfs
 echo "Packing initramfs..."
 find . | cpio -R root:root -H newc -o | xz --check=none > ../rootfs.cpio.xz
 
-cd ../..
+cd cd $SRC_DIR
 

src/11_get_syslinux.sh

@@ -35,5 +35,5 @@ mkdir ../work/syslinux
 # Full path will be something like 'work/syslinux/syslinux-6.03'.
 tar -xvf $ARCHIVE_FILE -C ../work/syslinux
 
-cd ..
+cd $SRC_DIR
 

src/12_generate_iso.sh

@@ -6,13 +6,13 @@ SRC_DIR=$(pwd)
 cd work/kernel
 cd $(ls -d *)
 WORK_KERNEL_DIR=$(pwd)
-cd ../../..
+cd $SRC_DIR
 
 # Find the Syslinux build directory.
 cd work/syslinux
 cd $(ls -d *)
 WORK_SYSLINUX_DIR=$(pwd)
-cd ../../..
+cd $SRC_DIR
 
 # Remove the old ISO file if it exists.
 rm -f minimal_linux_live.iso