Push sources and ramdisk

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

@@ -0,0 +1,91 @@
+#!/sbin/sh
+# TWRP A/B Installer Backend
+# by osm0sis, Dees_Troy and topjohnwu
+
+OUTFD=/proc/self/fd/$2;
+ZIPFILE="$3";
+
+ui_print() {
+  if $BOOTMODE; then
+    echo "$1";
+  else
+    echo -e "ui_print $1\nui_print" >> $OUTFD;
+  fi;
+}
+abort() { ui_print " "; ui_print "$1"; exit 1; }
+
+# detect Magisk app/booted flashing
+BOOTMODE=false;
+ps | grep zygote | grep -v grep >/dev/null && BOOTMODE=true;
+$BOOTMODE || ps -A 2>/dev/null | grep zygote | grep -v grep >/dev/null && BOOTMODE=true;
+
+ui_print "########################################";
+ui_print "#  OFOX flashable installer for redwood    #";
+ui_print "########################################";
+ui_print " ";
+
+# /dev/tmp is safe for both booted and recovery installs
+tmp=/dev/tmp/twrp-install;
+# target partition without the slot suffix
+if [ -e /dev/block/bootdevice/by-name/recovery_b ]; then
+  target=/dev/block/bootdevice/by-name/recovery;
+else
+  target=/dev/block/bootdevice/by-name/boot;
+fi;
+name=$(basename $target);
+
+ui_print "Unpacking the installer...";
+rm -rf $tmp;
+mkdir -p $tmp;
+unzip -o "$ZIPFILE" -d $tmp || abort "Failed to extract zip!";
+
+cd $tmp;
+recoverycpio=`(ls ramdisk-twrp.cpio || ls ramdisk-recovery.cpio) 2>/dev/null`;
+recoveryimg=`(ls twrp*.img || ls TWRP*.img || ls recovery.img) 2>/dev/null`;
+[ "$recoverycpio" ] || [ "$recoveryimg" ] || abort "No OFOX ramdisk/image found in zip!";
+
+tool=$tmp/magiskboot;
+chmod 755 $tool;
+
+ui_print " ";
+for slot in _a _b; do
+  if [ "$recoverycpio" ]; then
+    ui_print "Running image patcher on $name$slot...";
+    dd bs=1048576 if=$target$slot of=boot.img || abort "Failed to dump image!";
+    $tool unpack -h boot.img || abort "Failed to unpack image!";
+
+    # kernel string want_initramfs -> skip_initramfs (Magisk)
+    $tool hexpatch kernel 77616E745F696E697472616D6673 736B69705F696E697472616D6673;
+    # kernel string trip_initramfs -> skip_initramfs (SuperSU)
+    $tool hexpatch kernel 747269705F696E697472616D6673 736B69705F696E697472616D6673;
+
+    # boot.img header cmdline remove skip_override (flar2 patch)
+    sed -i "s|$(grep '^cmdline=' header | cut -d= -f2-)|$(grep '^cmdline=' header | cut -d= -f2- | sed -e 's/skip_override//' -e 's/  */ /g' -e 's/[ \t]*$//')|" header;
+
+    cp -f $recoverycpio ramdisk.cpio;
+    $tool repack boot.img || abort "Failed to repack image!";
+    $tool cleanup;
+  else
+    ui_print "Flashing image to $name$slot...";
+    cp -f $recoveryimg new-boot.img;
+  fi;
+
+  blockdev --setrw $target$slot;
+  cat new-boot.img /dev/zero > $target$slot 2>/dev/null || true;
+  rm -f new-boot.img;
+done;
+
+if [ "$recoverycpio" ]; then
+  ui_print " ";
+  ui_print "Image patching complete!";
+fi;
+
+cd /;
+rm -rf /dev/tmp;
+
+ui_print " ";
+ui_print "Done installing OFOX!";
+if [ "$name" != "recovery" ]; then
+  ui_print " ";
+  ui_print "*** NOTE: MAGISK ERASED! REFLASH ***";
+fi;

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

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

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

@@ -0,0 +1,91 @@
+#!/sbin/sh
+# TWRP A/B Installer Backend
+# by osm0sis, Dees_Troy and topjohnwu
+
+OUTFD=/proc/self/fd/$2;
+ZIPFILE="$3";
+
+ui_print() {
+  if $BOOTMODE; then
+    echo "$1";
+  else
+    echo -e "ui_print $1\nui_print" >> $OUTFD;
+  fi;
+}
+abort() { ui_print " "; ui_print "$1"; exit 1; }
+
+# detect Magisk app/booted flashing
+BOOTMODE=false;
+ps | grep zygote | grep -v grep >/dev/null && BOOTMODE=true;
+$BOOTMODE || ps -A 2>/dev/null | grep zygote | grep -v grep >/dev/null && BOOTMODE=true;
+
+ui_print "########################################";
+ui_print "#  TWRP flashable installer for redwood    #";
+ui_print "########################################";
+ui_print " ";
+
+# /dev/tmp is safe for both booted and recovery installs
+tmp=/dev/tmp/twrp-install;
+# target partition without the slot suffix
+if [ -e /dev/block/bootdevice/by-name/recovery_b ]; then
+  target=/dev/block/bootdevice/by-name/recovery;
+else
+  target=/dev/block/bootdevice/by-name/boot;
+fi;
+name=$(basename $target);
+
+ui_print "Unpacking the installer...";
+rm -rf $tmp;
+mkdir -p $tmp;
+unzip -o "$ZIPFILE" -d $tmp || abort "Failed to extract zip!";
+
+cd $tmp;
+recoverycpio=`(ls ramdisk-twrp.cpio || ls ramdisk-recovery.cpio) 2>/dev/null`;
+recoveryimg=`(ls twrp*.img || ls TWRP*.img || ls recovery.img) 2>/dev/null`;
+[ "$recoverycpio" ] || [ "$recoveryimg" ] || abort "No TWRP ramdisk/image found in zip!";
+
+tool=$tmp/magiskboot;
+chmod 755 $tool;
+
+ui_print " ";
+for slot in _a _b; do
+  if [ "$recoverycpio" ]; then
+    ui_print "Running image patcher on $name$slot...";
+    dd bs=1048576 if=$target$slot of=boot.img || abort "Failed to dump image!";
+    $tool unpack -h boot.img || abort "Failed to unpack image!";
+
+    # kernel string want_initramfs -> skip_initramfs (Magisk)
+    $tool hexpatch kernel 77616E745F696E697472616D6673 736B69705F696E697472616D6673;
+    # kernel string trip_initramfs -> skip_initramfs (SuperSU)
+    $tool hexpatch kernel 747269705F696E697472616D6673 736B69705F696E697472616D6673;
+
+    # boot.img header cmdline remove skip_override (flar2 patch)
+    sed -i "s|$(grep '^cmdline=' header | cut -d= -f2-)|$(grep '^cmdline=' header | cut -d= -f2- | sed -e 's/skip_override//' -e 's/  */ /g' -e 's/[ \t]*$//')|" header;
+
+    cp -f $recoverycpio ramdisk.cpio;
+    $tool repack boot.img || abort "Failed to repack image!";
+    $tool cleanup;
+  else
+    ui_print "Flashing image to $name$slot...";
+    cp -f $recoveryimg new-boot.img;
+  fi;
+
+  blockdev --setrw $target$slot;
+  cat new-boot.img /dev/zero > $target$slot 2>/dev/null || true;
+  rm -f new-boot.img;
+done;
+
+if [ "$recoverycpio" ]; then
+  ui_print " ";
+  ui_print "Image patching complete!";
+fi;
+
+cd /;
+rm -rf /dev/tmp;
+
+ui_print " ";
+ui_print "Done installing TWRP!";
+if [ "$name" != "recovery" ]; then
+  ui_print " ";
+  ui_print "*** NOTE: MAGSIK ERASED! REFLASH ***";
+fi;

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

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