fix initramfs patching script

README.md

@@ -1 +1,3 @@
-todo
+# Chrome OS RMA Shim Bootloader
+
+This is a set of scripts for patching a Chrome OS RMA shim to serve as a bootloader for a standard Linux disto.

build.sh

@@ -7,6 +7,8 @@ if [ "$DEBUG" ]; then
   set -x
 fi
 
+. ./patch_initramfs.sh
+
 print_help() {
   echo "Usage: ./build.sh path_to_shim"
 }
@@ -79,7 +81,7 @@ echo "shim initramfs extracted to ${initramfs_dir}"
 cd $previous_dir
 
 echo "patching initramfs"
-exec ./patch_initramfs.sh $initramfs_dir
+patch_initramfs $initramfs_dir
 
 echo "cleaning up loop devices"
 losetup -d $shim_loop

patch_initramfs.sh

@@ -7,10 +7,11 @@ if [ "$DEBUG" ]; then
   set -x
 fi
 
-initramfs_path=$(realpath $1)
+patch_initramfs() {
+  initramfs_path=$(realpath $1)
 
-rm "${initramfs_path}/init" -f
-cp bootloader/init.sh "${initramfs_path}/bin/init"
-cp bootloader/bootstrap.sh "${initramfs_path}/bin/bootstrap.sh"
+  rm "${initramfs_path}/init" -f
+  cp -r bootloader/* "${initramfs_path}/"
 
-find ${initramfs_path}/bin -name "*" -exec chmod +x {} \;
+  find ${initramfs_path}/bin -name "*" -exec chmod +x {} \;
+}