Skip to content

Support patch boot on device using build.py #8969

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Howard20181 wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Support patch boot on device using build.py #8969

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
004caf0
Support patch boot on device using build.py
Howard20181 Apr 28, 2025
6588f3b
Merge branch 'master' into patch-boot
Howard20181 Jul 13, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
36 changes: 36 additions & 0 deletions build.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -671,6 +671,31 @@ def patch_avd_file():

header(f"Output: {output}")

def patch_device_file():
input = Path(args.image)
output = Path(args.output)

header(f"* Patching {input.name}")

push_files(Path("scripts", "patch_boot.sh"))

proc = execv([adb_path, "push", input, "/data/local/tmp"])
if proc.returncode != 0:
error("adb push failed!")

src_file = f"/data/local/tmp/{input.name}"
out_file = "/data/local/tmp/new-boot.img"

proc = execv([adb_path, "shell", "sh", "/data/local/tmp/patch_boot.sh", src_file])
if proc.returncode != 0:
error("patch_boot.sh failed!")

proc = execv([adb_path, "pull", out_file, output])
if proc.returncode != 0:
error("adb pull failed!")

header(f"Output: {output}")
execv([adb_path, "shell", "rm", "/data/local/tmp/new-boot.img"])

##########################
# Config, paths, argparse
Expand Down Expand Up @@ -831,6 +856,16 @@ def parse_args():
"-b", "--build", action="store_true", help="build before patching"
)

device_patch_parser = subparsers.add_parser(
"device_patch", help="patch device boot.img or init_boot.img"
)
device_patch_parser.add_argument("image", help="path to boot.img or init_boot.img")
device_patch_parser.add_argument("output", help="output file name, default: new-boot.img")
device_patch_parser.add_argument("--apk", help="a Magisk APK to use")
device_patch_parser.add_argument(
"-b", "--build", action="store_true", help="build before patching"
)

cargo_parser = subparsers.add_parser(
"cargo", help="call 'cargo' commands against the project"
)
Expand Down Expand Up @@ -858,6 +893,7 @@ def parse_args():
test_parser.set_defaults(func=build_test)
emu_parser.set_defaults(func=setup_avd)
avd_patch_parser.set_defaults(func=patch_avd_file)
device_patch_parser.set_defaults(func=patch_device_file)
clean_parser.set_defaults(func=cleanup)
ndk_parser.set_defaults(func=setup_ndk)

Expand Down
50 changes: 50 additions & 0 deletions scripts/patch_boot.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,50 @@
#!/bin/sh
INSTALL_DIR=/data/local/tmp/magisk
MAGISK_APK=/data/local/tmp/magisk.apk
mkdir -p $INSTALL_DIR
cd $INSTALL_DIR || exit 1
MAGISKBIN=/data/adb/magisk
MAGISKTMP=/sbin
[ -d /sbin ] || MAGISKTMP=/debug_ramdisk
if [ ! -f "$MAGISK_APK" ]; then
echo "No Magisk apk found"
exit 1
fi
ABI=$(getprop ro.product.cpu.abi)
for file in busybox magiskpolicy magiskboot magiskinit magisk init-ld; do
rm -f "$INSTALL_DIR/$file"
unzip -d $INSTALL_DIR -oj "$MAGISK_APK" "lib/$ABI/lib$file.so"
mv $INSTALL_DIR/lib$file.so $INSTALL_DIR/$file
chmod 755 "$INSTALL_DIR/$file"
done
for file in util_functions.sh boot_patch.sh stub.apk; do
rm -f "$INSTALL_DIR/$file"
unzip -d $INSTALL_DIR -oj "$MAGISK_APK" "assets/$file"
chmod 755 "$INSTALL_DIR/$file"
done
rm -rf "${INSTALL_DIR:?}/chromeos"
mkdir -p "$INSTALL_DIR/chromeos"
for file in futility kernel_data_key.vbprivk kernel.keyblock; do
unzip -d "$INSTALL_DIR/chromeos" -oj "$MAGISK_APK" "assets/chromeos/$file"
chmod 755 "$INSTALL_DIR/chromeos/$file"
done
rm "$MAGISK_APK"
. ./util_functions.sh
get_flags
api_level_arch_detect
if [ -n "$(getprop ro.boot.vbmeta.device)" ] || [ -n "$(getprop ro.boot.vbmeta.size)" ]; then
PATCHVBMETAFLAG=false
elif getprop ro.product.ab_ota_partitions | grep -wq vbmeta; then
PATCHVBMETAFLAG=false
else
PATCHVBMETAFLAG=true
fi
LEGACYSAR=false
grep ' / ' /proc/mounts | grep -q '/dev/root' && LEGACYSAR=true
SOURCEDMODE=true
. ./boot_patch.sh
mv ./new-boot.img /data/local/tmp/
./magiskboot cleanup
cd /data/local/tmp
rm "$1" "$0" /data/local/tmp/busybox
rm -rf "${INSTALL_DIR:?}"
Loading