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fix minor bugs in build script

This commit is contained in:
ading2210 2024-06-12 05:26:15 -07:00
parent f885473488
commit f647a9f733
3 changed files with 3 additions and 4 deletions
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3
README.md
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@ -77,12 +77,11 @@ PRs and contributions are welcome to help implement these features.
- Github Codespaces is not supported at the moment - Github Codespaces is not supported at the moment
- A USB drive that is at least 8GB in size - A USB drive that is at least 8GB in size
- At least 20GB of free disk space - At least 20GB of free disk space
- An x86-based Chromebook
### Build Instructions: ### Build Instructions:
1. Find the board name of your Chromebook. You can search for the model name on [chrome100.dev](https://chrome100.dev/). 1. Find the board name of your Chromebook. You can search for the model name on [chrome100.dev](https://chrome100.dev/).
1. Clone this repository and cd into it. 1. Clone this repository and cd into it.
2. Run `sudo ./build_complete.sh <board_name>` to download the required data and build the disk image. 2. Run `sudo ./build_complete.sh <board_name>` to download the required data and build the disk image. If you have an ARM-based Chromebook, pass `arch=arm64` in as an option.
Alternatively, you can run each of the steps manually: Alternatively, you can run each of the steps manually:
1. Grab a Chrome OS RMA Shim from somewhere. Most of them have already been leaked and aren't too difficult to find. 1. Grab a Chrome OS RMA Shim from somewhere. Most of them have already been leaked and aren't too difficult to find.

2
build_complete.sh
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@ -26,7 +26,7 @@ desktop="${args['desktop']-'xfce'}"
data_dir="${args['data_dir']}" data_dir="${args['data_dir']}"
arch="${args['arch']-'amd64'}" arch="${args['arch']-'amd64'}"
needed_deps="wget python3 unzip zip git debootstrap cpio binwalk pcregrep cgpt mkfs.ext4 mkfs.ext2 fdisk rsync depmod findmnt" needed_deps="wget python3 unzip zip git debootstrap cpio binwalk pcregrep cgpt mkfs.ext4 mkfs.ext2 fdisk rsync depmod findmnt lz4"
if [ "$(check_deps "$needed_deps")" ]; then if [ "$(check_deps "$needed_deps")" ]; then
#install deps automatically on debian and ubuntu #install deps automatically on debian and ubuntu
if [ -f "/etc/debian_version" ]; then if [ -f "/etc/debian_version" ]; then

2
shim_utils.sh
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@ -32,7 +32,7 @@ extract_initramfs_arm() {
#extract the kernel lz4 archive from the partition #extract the kernel lz4 archive from the partition
local binwalk_out="$(binwalk $kernel_bin --run-as=root)" local binwalk_out="$(binwalk $kernel_bin --run-as=root)"
local lz4_offset="$(echo "$binwalk_out" | pcregrep -o1 "(\d+).+?LZ4 compressed data")" local lz4_offset="$(echo "$binwalk_out" | pcregrep -o1 "(\d+).+?LZ4 compressed data" | head -n1)"
local lz4_file="$working_dir/kernel.lz4" local lz4_file="$working_dir/kernel.lz4"
local kernel_img="$working_dir/kernel_decompressed.bin" local kernel_img="$working_dir/kernel_decompressed.bin"
dd if=$kernel_bin of=$lz4_file iflag=skip_bytes,count_bytes skip=$lz4_offset dd if=$kernel_bin of=$lz4_file iflag=skip_bytes,count_bytes skip=$lz4_offset