pmaports/main/devicepkg-dev/devicepkg_build.sh

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#!/bin/sh
startdir=$1
pkgname=$2
if [ -z "$startdir" ] || [ -z "$pkgname" ]; then
echo "ERROR: missing argument!"
echo "Please call $0 with \$startdir \$pkgname as arguments."
exit 1
fi
srcdir="$startdir/src"
if [ ! -f "$srcdir/deviceinfo" ]; then
echo "NOTE: $0 is intended to be used inside of the build() function"
echo "of a device package's APKBUILD only."
echo "ERROR: deviceinfo file missing!"
exit 1
fi
# shellcheck disable=SC1090,SC1091
. "$srcdir/deviceinfo"
# Create splash screens
generate_splash_screens()
{
splash_config="/etc/postmarketos/splash.ini"
splash_width=${deviceinfo_screen_width:-720}
splash_height=${deviceinfo_screen_height:-1280}
# Overwrite $@ to easily iterate over the splash screens. Format:
# $1: splash_name
# $2: text
# $3: arguments
set -- "splash-loading" "Loading..." "--center" \
"splash-noboot" "boot partition not found\\nhttps://postmarketos.org/troubleshooting" "--center" \
"splash-noinitramfsextra" "initramfs-extra not found\\nhttps://postmarketos.org/troubleshooting" "--center" \
"splash-norootfs" "rootfs not found\\nhttps://postmarketos.org/troubleshooting" "--center" \
"splash-resizefs" "Loading...\\nResizing file system during initial boot" "--center" \
"splash-mounterror" "unable to mount root partition\\nhttps://postmarketos.org/troubleshooting" "--center" \
"splash-debug-shell" "WARNING\\ndebug-shell is active\\nhttps://postmarketos.org/debug-shell" "--center" \
"splash-charging-error" "CHARGING MODE\\nerror starting charging-sdl\\nhttps://postmarketos.org/troubleshooting" "--center" \
"splash-netboot-waiting" "Waiting for netboot...\\nhttps://postmarketos.org/netboot" "--center" \
"splash-netboot-error" "failed to initialize netboot\\nhttps://postmarketos.org/netboot" "--center"
# Loop through the splash screens definitions
while [ $# -gt 2 ]
do
splash_name=$1
splash_text=$2
splash_args=$3
# shellcheck disable=SC2154
if [ "${deviceinfo_framebuffer_landscape}" = "true" ]; then
splash_args="${splash_args} --landscape"
fi
# shellcheck disable=SC2086
pmos-make-splash --text="${splash_text}" $splash_args --config "${splash_config}" \
"$splash_width" "$splash_height" "$srcdir/${splash_name}.ppm"
gzip "$srcdir/${splash_name}.ppm"
shift 3 # move to the next 3 arguments
done
}
# Convert an input calibration matrix from pixel coordinates to 0-1 coordinates
# and echo it for libinput.
# Parameters:
# $1: x multiplier for x coordinate
# $2: y multiplier for x coordinate
# $3: pixel offset for x coordinate
# $4: x multiplier for y coordinate
# $5: y multiplier for y coordinate
# $6: pixel offset for y coordinate
echo_libinput_calibration()
{
# Check if we have got the required number of parameters.
if [ $# -ne 6 ]; then
echo "WARNING: There must be exactly 6 (or 0) values for the touchscreen calibration." >&2
echo "WARNING: No calibration matrix for x11/libinput will be generated." >&2
return
fi
# Check if we have got a screen width and screen height.
# shellcheck disable=SC2154
if [ -z "$deviceinfo_screen_width" ] || [ -z "$deviceinfo_screen_height" ]; then
echo "WARNING: Screen width and height are required to generate a calibration matrix for x11/libinput." >&2
echo "WARNING: No calibration matrix for x11/libinput will be generated." >&2
return
fi
# Perform the actual conversion: divide both offsets by width/height.
# As the "dc" command from "bc" is incompatible to the one provided by busybox,
# this calls busybox explicitly.
# shellcheck disable=SC2154
x_offset=$(busybox dc "$3" "$deviceinfo_screen_width" / p)
# shellcheck disable=SC2154
y_offset=$(busybox dc "$6" "$deviceinfo_screen_height" / p)
# Check if we have got results from dc. If there was an error, dc should have
# printed an error message that hopefully gives the user a hint why it failed.
if [ -z "$x_offset" ] || [ -z "$y_offset" ]; then
echo "WARNING: Calculating the offsets for the calibration matrix for x11/libinput failed." >&2
echo "No calibration matrix for x11/libinput will be generated." >&2
return
fi
echo "ENV{LIBINPUT_CALIBRATION_MATRIX}=\"$1 $2 $x_offset $4 $5 $y_offset\", \\"
}
# Generate the contents for /etc/machine-info
generate_machine_info()
{
{
# shellcheck disable=SC2154
echo "PRETTY_HOSTNAME=\"$deviceinfo_name\""
# shellcheck disable=SC2154
echo "CHASSIS=\"${deviceinfo_chassis}\""
} > "$srcdir/machine-info"
}
generate_splash_screens
generate_machine_info
# shellcheck disable=SC2154
if [ -n "$deviceinfo_dev_touchscreen" ]; then
# Create touchscreen udev rule
{
echo "SUBSYSTEM==\"input\", ENV{DEVNAME}==\"$deviceinfo_dev_touchscreen\", \\"
# shellcheck disable=SC2154
if [ -n "$deviceinfo_dev_touchscreen_calibration" ]; then
echo "ENV{WL_CALIBRATION}=\"$deviceinfo_dev_touchscreen_calibration\", \\"
# The following intentionally expands the touchscreen calibration into the
# 6 values that should be there.
# shellcheck disable=SC2086
echo_libinput_calibration $deviceinfo_dev_touchscreen_calibration
fi
echo "ENV{ID_INPUT}=\"1\", ENV{ID_INPUT_TOUCHSCREEN}=\"1\""
} > "$srcdir/90-$pkgname.rules"
fi