bootable-newinstaller

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lndir: fix symbolic dir handling

1-install: add 6.0-r3 to the upgrade list

Add a script to run Android-x86 in QEMU

The qemu-android script is installed as a part of the rpm. Users
can run the script directly to launch Android-x86 in the QEMU
virtual machine.

The script could also be used on a build host to run the just
built images in the $OUT directory.

init: allow to disable SetupWizard

Now SetupWizard could be disabled by adding SETUPWIZARD=0 to cmdline.
In debug mode 2, SetupWizard is also disabled unless SETUPWIZARD=1.

Use BUILD_NAME_VARIANT as the rpm name

0-auto-detect: don't load all sound/core modules

To avoid possible misusing codec issues.

1-install: support user-defined PREV_VERS

This allows a variant build to define its previous versions
to be upgraded.

1-install: add 6.0-r2 to the upgrade list

Use shell-script $$(...) instead of $(shell ...)

kati doesn't support passing results of $(shell)
to other make constructs, as explained here:
https://github.com/google/kati/issues/71

Fixes the following building error in nougat-x86:

./bootable/newinstaller/Android.mk:82: kati doesn't support passing
results of $(shell) to other make constructs: date +"%F"
build/core/ninja.mk:163: recipe for target
'out/build-android_x86_64.ninja' failed
make: *** [out/build-android_x86_64.ninja] Error 1

initrd: load drivers in debug or installation modes

On some machines the input devices may not be activated because
their drivers are not loaded yet in debug or installation modes.

The change tries to fix it by calling the auto_detect function.
Skip the display (kms) modules to avoid some potential issues.

2-mount: allow to assign the data subdirectory

The change gives the users a method to specify the name of the data
subdirectory by the DATA variable in the kernel cmdline.

init: avoid error if mnt exists

initrd: allow to specify ramdisk path

Now the ramdisk.img could be specified by the RAMDISK variable
in the kernel cmdline.

Add rules to build an rpm package

The rpm could be installed to an rpm based linux distribution.
Boot entries for android-x86 will be added. After installation,
reboot the system to android-x86.

To build the rpm, you need to install 'rpm-build' on a Fedora
based system, or 'rpm' on a Debian/Ubuntu based system.
Then do it by 'make rpm'.

Just install the rpm as a normal package on a Fedora based system.
On Debian/Ubuntu, you can use the 'alien' to install it:

$ sudo apt install alien
$ sudo alien -c -i android-x86-6.0-r1.i686.rpm

1-install: support INSTALL_PREFIX

This allows a variant build to specify another install prefix.

1-install: making /system be read-write is not recommended

Making /system be read-write is only useful for debugging purposes.
Don't recommend it to the end users.

1-install: check which grub should be installed

Originally we ask whether to install both legacy grub and efi grub.
This may confuse the users.

The patch checks if the device is EFI enabled and ask to install
the appropriate grub only.

1-install: strip iso-scan/filename=* in cmdline

1-install: add 6.0-r1 to the upgrade list

isolinux.cfg: let the user choose VESA mode

The user should choose 1024x768 32-bit which is the best mode
for software rendering. However, it is non-standard so we are
unable to hardcode the mode number.

1-install: add 6.0-rc2 to the upgrade list

0-auto-detect: disable modules auto loading

Now we use ueventd to load modules. It more cleaner and reliable.
If you'd like to keep using the original modules auto loading,
add AUTO_LOAD=old to the kernel cmdline.

Add otion noatime to improve performance

This option avoids unnecessary writing on the file system.
It's suggested by Majian.

1-install: deprecate installing to a whole disk

If choose a whole disk to install, it causes problems to
install the bootloader.

0-auto-detect: keep module loading order as before

Commit bdf2b690 uses 'sort -u' which changes module loading order.
It causes some issues. For example, on a device with two graphic
cards, the driver of the discrete graphic card may be loaded first
that causes black screen issue.

Use the simple awk script to remove duplicate items but keep the
order unchanged.

1-install: add 6.0-rc1 to the upgrade list

init: fix localtime_r not work in /init

There is no ANDROID_ROOT environment variable set in /init so that
localtime_r doesn't work because it cannot find the correct tzdata
file under /system.

NO_REF_TASK
Tested:
1) make sure persist.rtc_local_time is 1
2) make sure sysclktz 1 in init.rc
3) set local time in android and reboot to bios, bios should have
local time
4) reboot back to android, the system time should be correct in
local time (even network time sync is not available)

Change-Id: I762b8d9a8923e4a4bf58fcafe347b2708a1c8736

1-install: remove formatting to ext2/3

The ext2/3 filesystem causes issue on Android 6.0.
Do not support them now.

1-install: convert ext2/3 to ext4 by request

When upgrade from an older version using ext2/3 filesystem,
the installer will ask if the user wants to convert it to ext4.

isolinux.cfg: change VESA mode to be 32-bit