ReVancedBuilder/build_revanced.sh

#!/usr/bin/env bash

# Run only one instance of this script at one time
[ "${BKLOCKER}" != "running" ] && exec env BKLOCKER="running" flock -en "/tmp/revanced-builder.lock" "$0" "$@" || :

# Log everything to a logfile inside logs/
log_file="$1/logs/$(date '+%s')"
[ -d "$1" ] && mkdir -p "$1/logs" && exec > >(tee "$log_file") 2>&1

# Get timestamp
timestamp=$(date '+%s')

# Set working directory and current directory
if [ -d "$1" ]; then
    WDIR="$1"
else
    echo "Working directory not provided"
    exit 1
fi

# File containing all patches
patch_file="$WDIR/chosen_patches.txt"

# Returns if $1 is less than $2
ver_less_than() {
    # Strip letters from version name
    ver1=$(echo $1 | sed 's/[a-zA-Z]*//g')
    ver2=$(echo $2 | sed 's/[a-zA-Z]*//g')
    [ $(echo $ver1$'\n'$ver2 | sort -V | tail -n1) != $ver1 ] && echo true || echo false
}

# Make sure to work in the script directory
SDIR="$(dirname -- "$(readlink -f -- "$0")")"
cd "$SDIR"

# Read the settings
if [ -f "$WDIR/build_settings" ]; then
    source "$WDIR/build_settings"
else
    if [ -f "./build_settings"]; then
        cp ./build_settings "$WDIR/build_settings"
        source ./build_settings
    else
        echo "Could not find the build_settings file!"
    fi
fi

# Get line numbers where included & excluded patches start from.
# We rely on the hardcoded messages to get the line numbers using grep
excluded_start="$(grep -n -m1 'EXCLUDE PATCHES' "$patch_file" | cut -d':' -f1)"
included_start="$(grep -n -m1 'INCLUDE PATCHES' "$patch_file" | cut -d':' -f1)"

# Get everything but hashes from between the EXCLUDE PATCH & INCLUDE PATCH line
# Note: '^[^#[:blank:]]' ignores starting hashes and/or blank characters i.e, whitespace & tab excluding newline
excluded_patches="$(tail -n +$excluded_start $patch_file | head -n "$((included_start - excluded_start))" | grep '^[^#[:blank:]]')"

# Get everything but hashes starting from INCLUDE PATCH line until EOF
included_patches="$(tail -n +$included_start $patch_file | grep '^[^#[:blank:]]')"

# Array for storing patches
declare -a patches

# Required artifacts in the format repository-name_filename
artifacts="revanced/revanced-cli:revanced-cli.jar revanced/revanced-integrations:revanced-integrations.apk revanced/revanced-patches:revanced-patches.jar inotia00/VancedMicroG:microg.apk"

## Functions

# Function for populating patches array, using a function here reduces redundancy & satisfies DRY principals
populate_patches() {
    # Note: <<< defines a 'here-string'. Meaning, it allows reading from variables just like from a file
    while read -r patch; do
        patches+=("$1 $patch")
    done <<<"$2"
}

## Main

# cleanup to fetch new revanced on next run
if [[ "$2" == "clean" ]]; then
    rm -f revanced-cli.jar revanced-integrations.apk revanced-patches.jar
    exit
fi

if [[ "$2" == "experimental" ]]; then
    EXPERIMENTAL="--experimental"
fi

# Set flag to determine if a build should happen or not
flag=false
check_flag=false

# Get inside the working directory
cd "$WDIR"
echo "$(date) | Starting check..."

# Fetch all the dependencies
try=0
while :; do
    try=$(($try + 1))
    [ $try -gt 10 ] && echo "API error!" && exit 2
    curl -X 'GET' 'https://releases.revanced.app/tools' -H 'accept: application/json' -o latest_versions.json
    cat latest_versions.json | jq -e '.error' >/dev/null || break
    echo "API failure, trying again. $((10 - $try)) tries left..."
    sleep 10
done

for artifact in $artifacts; do
    #Check for updates
    repo=$(echo $artifact | cut -d ':' -f1)
    name=$(echo $artifact | cut -d ':' -f2)
    basename=$(echo $repo | cut -d '/' -f2)
    echo "Checking $basename"
    version_present=$(jq -r ".\"$basename\"" versions.json)
    data="$(jq -r ".tools[] | select((.repository == \"$repo\") and (.content_type | contains(\"archive\")))" latest_versions.json)"
    [[ $name == microg.apk ]] && version=$(curl -s "https://api.github.com/repos/$repo/releases/latest" | jq -r '.tag_name') || version=$(echo "$data" | jq -r '.version')
    if [[ $(ver_less_than $version_present $version) == true || ! -f $name || $2 == force ]]; then
        if [[ $2 == checkonly ]]; then
            echo "[checkonly] $basename has an update ($version_present -> $version)"
            check_flag=true
            continue
        fi
        echo "Downloading $name"
        [[ $name == microg.apk && -f $name && $2 != force ]] && microg_updated=true
        # shellcheck disable=SC2086,SC2046
        [[ $name == microg.apk ]] && download_link="https://github.com/$repo/releases/latest/download/$name" || download_link="$(echo "$data" | jq -r '.browser_download_url')"
        curl -sLo "$name" "$download_link"
        jq ".\"$basename\" = \"$version\"" versions.json >versions.json.tmp && mv versions.json.tmp versions.json
        echo "Upgraded $basename from $version_present to $version"
        flag=true
    fi
done

[[ ! -f com.google.android.youtube.apk || ! -f com.google.android.apps.youtube.music.apk ]] && flag=true

# Exit if no updates happened
if [[ $flag == false && $2 != force ]]; then
    if [[ $check_flag == false ]]; then
        echo "Nothing to update"
    else
        "$SDIR/download_apkmirror.sh" "$WDIR" checkonly
    fi
    echo "--------------------"$'\n'"--------------------"
    exit
fi

# Download required apk files
"$SDIR/download_apkmirror.sh" "$WDIR" $2

# If the variables are NOT empty, call populate_patches with proper arguments
[[ ! -z "$excluded_patches" ]] && populate_patches "-e" "$excluded_patches"
[[ ! -z "$included_patches" ]] && populate_patches "-i" "$included_patches"

# Functions for building the APKs

build_yt_nonroot() {
    echo "************************************"
    echo "Building YouTube APK"
    echo "************************************"
    if [ -f "com.google.android.youtube.apk" ]; then
        echo "Building Non-root APK"
        java -jar revanced-cli.jar -m revanced-integrations.apk -b revanced-patches.jar \
            ${patches[@]} \
            $EXPERIMENTAL \
            -a com.google.android.youtube.apk -o revanced-yt-nonroot.apk
    else
        echo "Cannot find YouTube APK, skipping build"
    fi
    echo ""
    echo "************************************"

    # Rename files
    mv revanced-yt-nonroot.apk YouTube_ReVanced_nonroot_$timestamp.apk
}

build_yt_root() {
    echo "************************************"
    echo "Building YouTube APK"
    echo "************************************"
    if [ -f "com.google.android.youtube.apk" ]; then
        echo "Building Root APK"
        java -jar revanced-cli.jar -m revanced-integrations.apk -b revanced-patches.jar --mount \
            -e microg-support ${patches[@]} \
            $EXPERIMENTAL \
            -a com.google.android.youtube.apk -o revanced-yt-root.apk
    else
        echo "Cannot find YouTube APK, skipping build"
    fi
    echo ""
    echo "************************************"

    # Rename files
    mv revanced-yt-root.apk YouTube_ReVanced_root_$timestamp.apk
}

build_ytm_nonroot() {
    echo "Building YouTube Music APK"
    echo "************************************"
    if [ -f "com.google.android.apps.youtube.music.apk" ]; then
        echo "Building Non-root APK"
        java -jar revanced-cli.jar -m revanced-integrations.apk -b revanced-patches.jar \
            ${patches[@]} \
            $EXPERIMENTAL \
            -a com.google.android.apps.youtube.music.apk -o revanced-ytm-nonroot.apk
    else
        echo "Cannot find YouTube Music APK, skipping build"
    fi

    # Rename files
    mv revanced-ytm-nonroot.apk YouTube_Music_ReVanced_nonroot_$timestamp.apk
}

build_ytm_root() {
    echo "Building YouTube Music APK"
    echo "************************************"
    if [ -f "com.google.android.apps.youtube.music.apk" ]; then
        echo "Building Root APK"
        java -jar revanced-cli.jar -m revanced-integrations.apk -b revanced-patches.jar --mount \
            -e microg-support ${patches[@]} \
            $EXPERIMENTAL \
            -a com.google.android.apps.youtube.music.apk -o revanced-ytm-root.apk
    else
        echo "Cannot find YouTube Music APK, skipping build"
    fi

    # Rename files
    mv revanced-ytm-root.apk YouTube_Music_ReVanced_root_$timestamp.apk
}

# Check the config and build accordingly
$YT_NONROOT && build_yt_nonroot
$YT_ROOT && build_yt_root
$YTM_NONROOT && build_ytm_nonroot
$YTM_ROOT && build_ytm_root

# Send telegram message about the new build

if $TG_UPLOAD; then
    echo "Uploading to telegram"
    # telegram-upload uses personal account, hence bypassing 50 MB max upload limit of bots
    [ "$CHANNEL_ADDRESS" == "" ] && echo "Please provide valid channel address in the settings!"
    /home/sintan/.local/bin/telegram-upload YouTube_ReVanced_nonroot_$timestamp.apk YouTube_Music_ReVanced_nonroot_$timestamp.apk --to "$CHANNEL_ADDRESS" --caption "" && sent=true
fi

if $TG_NOTIFICATIONS; then
    echo "Sending messages to telegram"
    # telegram.sh uses bot account, but it supports formatted messages
    [[ "$TELEGRAM_TOKEN" == "" || "$TELEGRAM_CHAT" == "" ]] && echo "Please provide valid channel address in the settings!"
    msg=$(cat versions.json | tail -n+2 | head -n-1 | cut -c3- | sed "s/\"//g" | sed "s/,//g" | sed "s/com.google.android.apps.youtube.music/YouTube Music/" |
        sed "s/com.google.android.youtube/YouTube/" | sed "s/VancedMicroG/Vanced microG/" | sed "s/revanced-/ReVanced /g" | sed "s/patches/Patches/" |
        sed "s/cli/CLI/" | sed "s/integrations/Integrations/" | awk 1 ORS=$'\n') # I know, it's a hacky solution
    # [ $sent ] &&
    ./telegram.sh -t "$TELEGRAM_TOKEN" -c "$TELEGRAM_CHAT" -T "⚙⚙⚙ Build Details ⚙⚙⚙" -M "$msg"$'\n'"Timestamp: $timestamp"$'\n'"⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯"
    [ $microg_updated ] && ./telegram.sh -t "$TELEGRAM_TOKEN" -c "$TELEGRAM_CHAT" -M "_An update of microg was published._"
fi

# Do some cleanup, keep only the last 3 build's worth of files and a week worth of logs
mkdir -p archive
mv *ReVanced_*_$timestamp.apk archive/
find ./archive -maxdepth 1 -type f -printf '%Ts\t%P\n' |
    sort -rn |
    tail -n +7 |
    cut -f2- |
    xargs -r -I {} rm "./archive/{}"
find ./logs -mtime +7 -exec rm {} \;

# Run a custom post script, if available
[ -f post_script.sh ] && ./post_script.sh $timestamp

echo "Done!"$'\n'"************************************"