BuildChain v1.0.0 — on-device Android build toolchain

System-level KernelSU module: aapt2/aidl/zipalign (API 35), BusyBox,
platform-tools, all as static arm64 binaries in the Android framework.

Termux integration for Java/Kotlin/Gradle/Python via pkg.
CLI tools: buildchain, bc-build, bc-sign.
WebUI on :8089 for toolchain management.

Turns any Android phone into a native compilation powerhouse.

META-INF/com/google/android/update-binary

@@ -0,0 +1,25 @@
+#!/sbin/sh
+umask 022
+OUTFD=$2
+ZIPFILE=$3
+ui_print() { echo "$1"; }
+mount /data 2>/dev/null
+[ -f /data/adb/magisk/util_functions.sh ] || { ui_print "Requires KernelSU-Next"; exit 1; }
+. /data/adb/magisk/util_functions.sh
+[ $MAGISK_VER_CODE -lt 20400 ] && { ui_print "Requires KernelSU-Next"; exit 1; }
+setup_flashable
+mount_partitions
+api_level_arch_detect
+MODID=buildchain
+MODPATH=$MOUNTPATH/$MODID
+ui_print "- Extracting BuildChain"
+unzip -o "$ZIPFILE" -x 'META-INF/*' -d $MODPATH >&2
+set_perm_recursive $MODPATH 0 0 0755 0644
+set_perm_recursive $MODPATH/tools 0 2000 0755 0755
+set_perm_recursive $MODPATH/scripts 0 2000 0755 0755
+set_perm $MODPATH/service.sh 0 0 0755
+set_perm $MODPATH/post-fs-data.sh 0 0 0755
+set_perm $MODPATH/uninstall.sh 0 0 0755
+ui_print "- BuildChain installed"
+ui_print "- Reboot, then run: buildchain setup"
+ui_print "- WebUI at http://localhost:8089"

META-INF/com/google/android/updater-script

@@ -0,0 +1 @@
+#MAGISK