Haketilo

#!/bin/sh

# This file is part of Haketilo

#

# Copyright (C) 2021 Jahoti

# Copyright (C) 2021, 2022 Wojtek Kosior <koszko@koszko.org>

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the CC0 1.0 Universal License as published by

# the Creative Commons Corporation.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# CC0 1.0 Universal License for more details.

set -e

TARGET_NAME=''

BROWSERPATH=''

TARGET=''

SRCDIR=''

BROWSER_BINARY=''

CLEAN_PROFILE=''

DRIVER=''

PYTHON=''

SOFT_FAILURES=n

ARG0="$0"

# Parse command line options

while [ "x$1" != x ]; do

    OPT="$1"

    case "$OPT" in

	chromium | chrome | google-chrome | mozilla | firefox | \

	    librewolf | icecat | iceweasel | abrowser | tor-browser)

            TARGET_NAME=$1

	    shift

	    continue

	    ;;

    esac

    if [ "x$(printf %s "$OPT" | cut -c -2)" = "x--" ]; then

	# Process a '--' option

	OPT="${OPT#--}"

	OPT_NAME="${OPT%%=*}"

	if [ "x$OPT_BASE" != "x$OPT" ]; then

	    OPT_VAL="${OPT#*=}"

	else

	    shift

	    OPT_VAL="$1"

	fi

	case "$OPT_NAME" in

	    srcdir)

                SRCDIR="$OPT_VAL";;

	    browser-binary)

		BROWSER_BINARY="$OPT_VAL";;

	    clean-profile)

		CLEAN_PROFILE="$OPT_VAL";;

	    driver)

                DRIVER="$OPT_VAL";;

	    python)

		PYTHON="$OPT_VAL";;

	    srcdir)

                SRCDIR="$OPT_VAL";;

	    destdir|dstdir)

	        DESTDIR="$OPT_VAL";;

	    update-url)

		UPDATE_URL="$OPT_VAL";;

	    host)

		TARGET_NAME="$OPT_VAL";;

	    *)

		printf "Unknown option '--%s'\n" "$OPT_NAME" >&2

		exit 1

		;;

	esac

	shift

	continue

    fi

    # Process a non-'--' option

    OPT_NAME="${OPT%%=*}"

    OPT_VAL="${OPT#*=}"

    case "$1" in

	BROWSER_BINARY)

            BROWSER_BINARY="$OPT_VAL";;

	CLEAN_PROFILE)

            CLEAN_PROFILE="$OPT_VAL";;

	DRIVER)

            DRIVER="$OPT_VAL";;

	PYTHON)

            PYTHON="$OPT_VAL";;

	SRCDIR)

            SRCDIR="$OPT_VAL";;

	DESTDIR|DSTDIR)

            DESTDIR="$OPT_VAL";;

	UPDATE_URL)

            UPDATE_URL="$OPT_VAL";;

	HOST)

            TARGET_NAME="$OPT_VAL";;

	*)

	    printf "Unknown variable '%s'\n" "$OPT_NAME" >&2

	    exit 1

	    ;;

    esac

    shift

done

# Check TARGET_NAME

if [ "x$TARGET_NAME" = x ]; then

    printf 'Target not specified. Please use `--host=<browser-name>`.\n' >&2

    exit 1

fi

# Check and standardize target

case "$TARGET_NAME" in

    mozilla | firefox | abrowser | icecat | librewolf | iceweasel | tor-browser)

	TARGET=mozilla

	;;

    ungoogled-chromium | chromium | chrome | google-chrome | brave | iridium | \

	bromite)

	TARGET=chromium

	printf "Tests won't yet run on a Chromium-based browser.\n"

	SOFT_FAILURES=y

	;;

    *)

	printf 'Invalid target: %s\n' "$TARGET_NAME" >&2

	exit 1

	;;

esac

# Autodetect srcdir

if [ "x$SRCDIR" = x ]; then

    if which "$ARG0" >/dev/null 2>&1; then

	SRCDIR="$(which "$ARG0")"

	SRCDIR="$(dirname "$SRCDIR")"

	SRCDIR="$(realpath "$SRCDIR" || true)"

    fi

    if [ "x$SRCDIR" = x ]; then

	SRCDIR=..

	if [ -f manifest.json ] && [ -f write_makefile.sh ]; then

	    SRCDIR=.

	fi

    fi

    printf 'Guessing SRCDIR: %s\n' "$SRCDIR"

fi

# Check srcdir

for FILE in manifest.json write_makefile.sh version; do

    if [ -f "$SRCDIR"/"$FILE" ]; then

	continue

    fi

    printf "Invalid source directory '%s': missing %s\n" "$SRCDIR" $FILE >&2

    exit 1

done

BROWSERPATH="$(realpath "$(which $TARGET_NAME)" 2>/dev/null || true)"

# Guess browser binary (needed for Selenium)

if [ "x$BROWSER_BINARY" = x ]; then

    if [ "x$TARGET_NAME" = xabrowser ]; then

	# Trisquel's path to Abrowser

	BROWSER_BINARY=/usr/lib/abrowser/abrowser

    elif [ "x$TARGET_NAME" = xlibrewolf ]; then

	# Debian's path to Librewolf

	BROWSER_BINARY=/usr/share/librewolf/librewolf

    elif [ "x$TARGET_NAME" = xiceweasel ]; then

	# Parabola's path to Iceweasel

	BROWSER_BINARY=/usr/lib/iceweasel/iceweasel

    elif [ "x$TARGET_NAME" = xicecat ]; then

	# Parabola's path to IceCat

	BROWSER_BINARY=/usr/lib/icecat/icecat

    fi

    if [ "x$BROWSER_BINARY" != x ]; then

	printf 'Guessing BROWSER_BINARY: %s\n' "$BROWSER_BINARY"

    elif [ "$TARGET" != "chromium" ]; then

	printf 'Cannot guess BROWSER_BINARY for %s.\n' "$TARGET_NAME"

	SOFT_FAILURES=y

    fi

fi

# Autodetect Selenium driver

if [ "x$DRIVER" = x ]; then

    if [ "x$TARGET" = xmozilla ]; then

	DRIVER="$(which geckodriver 2>/dev/null || true)"

	if [ -n "$DRIVER" ]; then

	    printf 'Guessing DRIVER: %s\n' "$DRIVER"

	else

	    printf 'Cannot guess DRIVER for %s.\n' "$TARGET_NAME"

	fi

    fi

fi

# Autodetect clean profile directory for use in selenium tests

if [ "x$CLEAN_PROFILE" = x ]; then

    if [ "x$TARGET" = xmozilla ]; then

	CLEAN_PROFILE="$SRCDIR"/test/default_profile/icecat_empty

    fi

fi

# Autodetect python

if [ "x$TARGET" = xmozilla -a "x$PYTHON" = x ]; then

    PYTHON2_SKIPPED=n

    for PYTHON_GUESS in python3 python-3 python; do

	if [ "x$PYTHON" = x ]; then

	    PYTHON="$(which $PYTHON_GUESS 2>/dev/null || true)"

	fi

	if [ -n "$PYTHON" ]; then

	    if [ "$PYTHON_GUESS" = python ]; then

		if python --version 2>&1 | grep '^Python 2' >/dev/null; then

		    PYTHON=''

		    PYTHON2_SKIPPED=y

		fi

	    fi

	fi

	if [ -n "$PYTHON" ]; then

	    break

	fi

    done

    if [ -n "$PYTHON" ]; then

	printf 'Guessing PYTHON: %s\n' "$PYTHON"

    else

	printf 'Cannot guess PYTHON'

	if [ "$PYTHON2_SKIPPED" = y ]; then

	    printf ' %s' \

		   '(skipped Python 2 executable in PATH; Python 3 is required)'

	fi

	printf '.\n'

	SOFT_FAILURES=y

    fi

fi

# Autodetect DESTDIR (no check needed)

if [ "x$DESTDIR" = x ]; then

    if [ "x$TARGET" = xmozilla ]; then

	DESTDIR=/usr/share/mozilla/extensions/

    elif test "x$TARGET_NAME" = xchromium -o \

	      "x$TARGET_NAME" = xungoogled-chromium; then

	DESTDIR=/usr/share/chromium/extensions

    fi

    if [ -n "$DESTDIR" ]; then

	printf 'Guessing DESTDIR: %s\n' "$DESTDIR"

    else

	printf 'Cannot guess DESTDIR.\n'

	SOFT_FAILURES=y

    fi

fi

# Write record.conf (LEAVE SRCDIR FIRST)

printf '%s\n' "srcdir = $SRCDIR" > record.conf

printf '%s\n' "default_target = $TARGET" >> record.conf

printf '%s\n' "DESTDIR = $DESTDIR" >> record.conf

printf '%s\n' "UPDATE_URL = $UPDATE_URL" >> record.conf

printf '%s\n' "DRIVER = $DRIVER" >> record.conf

printf '%s\n' "BROWSER_BINARY = $BROWSER_BINARY" >> record.conf

printf '%s\n' "CLEAN_PROFILE = $CLEAN_PROFILE" >> record.conf

printf '%s\n' "PYTHON = $PYTHON" >> record.conf

# Prepare and run write_makefile.sh (as config.status)

cp "$SRCDIR"/write_makefile.sh config.status

./config.status

if [ "$SOFT_FAILURES" = "y" ]; then

    printf 'Some make rules may fail.\n'

fi