install_adb.sh

#!/bin/bash

AbortIfExecutableMissing () {
    BIN=($@)
    MISSINGBIN=$(for B in ${BIN[@]}; do [ "$(which $B 2>/dev/null)-" == "-" ] && echo $B; done)
    if [ "${MISSINGBIN}-" != "-" ]
    then
        echo -e "Can't find the following executables: "$MISSINGBIN
        exit 1
    fi
    return 0
}

AbortIfLibraryMissing () {
    DEP=($@)
    MISSINGDEP=$(for D in ${DEP[@]}; do dpkg-query -s $D 1>/dev/null 2>/dev/null ; [ "$?" != "0" ] && echo $D; done)
    if [ "${MISSINGDEP}-" != "-" ]
    then
        echo -e "You need to run the following commands:\n\tsudo apt-get update\n\tsudo apt-get install "$MISSINGDEP
        exit 1
    fi
    return 0
}

GetGoogleSourceFile () {
    FILENAME=$(basename "$1")
    TARGZ=$(echo $(dirname "$1")".tar.gz" | sed  -e 's/\/%2B\//\/+\//' -e 's/\/+\//\/+archive\//')
    wget -qO - $TARGZ | tar xzOf - $FILENAME | cat
}

GetLatestRepoXmlURL () {
    REPOCONSTANTSURL="https://android.googlesource.com/platform/tools/base/+/master/sdklib/src/main/java/com/android/sdklib/repository/SdkRepoConstants.java"
    VARS=(NS_LATEST_VERSION URL_GOOGLE_SDK_SITE URL_FILENAME_PATTERN)
    VARPATTERN=$(echo -n "\\(";for V in ${VARS[@]}; do echo -n $V; echo -n "\\|"; done; echo -n "DONE\\)")
    REPOCONSTANTS=$(GetGoogleSourceFile $REPOCONSTANTSURL)
    eval $(echo "$REPOCONSTANTS" | tr '\n;' ' \n' | sed -e "s/${VARPATTERN}/\n\1/g" -e "s/%1\$d/\$${VARS[0]}/" | tr -d ' ' | sed -ne "/${VARPATTERN}=/p")
    eval echo \$${VARS[1]}\$${VARS[2]}
}

GetLatestPackageURL () {
    PKG=${1:-platform-tool}
    XML=$(GetLatestRepoXmlURL)
    echo -n $(dirname $XML)"/"
    wget -qO - $XML | xml2 | grep '/sdk:'"$PKG/" | grep "linux\.zip$" | cut -d= -f2 | tail -n 1

}

InstallUniversalAndroidUdevRule () {
    RULE="/etc/udev/rules.d/${1:-90}-android.rules"
    if [ "0$(id -u)" == "00" ]
    then
        echo 'ACTION=="add", SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}=="*:ff420?:*", MODE="0666", GROUP="plugdev", SYMLINK+="android/$env{ID_SERIAL_SHORT}"' > $RULE
        udevadm control --reload-rules
        udevadm trigger --action=add --subsystem-match=usb
        return 0
    else
        echo "No permission to add universal udev rule!"
        return 1
    fi

}

UpdateAdbUsbIni () {
    INIFILE=${1:-$HOME}/.android/adb_usb.ini
    mkdir -p $(dirname $INIFILE)
    DEVICES=$(find -L /sys/bus/usb/devices -maxdepth 2 -path "*/modalias" -printf "%h\t" -exec cat {} \; | awk -F: '/icFFisc42ip0/ {print $1}')
    echo -e "\nRegistering Vendor IDs for the following ADB devices:"
    for D in $DEVICES; do echo -e "\tDEVPATH=$D Serial=$(cat $D/serial) VendorID=0x$(cat $D/idVendor) ($(cat $D/manufacturer))"; echo "0x$(cat $D/idVendor)" >> $INIFILE; done
    VIDS=$(grep ^0x....$ $INIFILE | sort -u)
    echo "$VIDS" > $INIFILE
    return 0
}

DownloadAdbBinary () {
    ADBPATH="${1:-.}/adb"
    if [ -w $(dirname $ADBPATH) ]
    then
        echo -e "\nSaving adb to $ADBPATH\n"
        wget -qO - $(GetLatestPackageURL "platform-tool") | funzip 2> /dev/null 1> $ADBPATH
        TYPE=$(file $ADBPATH | grep "ELF 32-bit LSB shared object, Intel 80386")
        if [ "$TYPE-" == "-" ]
        then
            file $ADBPATH
            rm $ADBPATH
            return 1
        else
            chmod 755 $ADBPATH
            $ADBPATH devices
            return 0
        fi
    else
        echo "Can't write to $ADBPATH"
        return 1
    fi
}

AbortIfExecutableMissing "wget tar unzip gzip funzip sed tr xml2 find file awk xargs dirname"
AbortIfLibraryMissing "libncurses5:i386 libstdc++6:i386 zlib1g:i386"

InstallUniversalAndroidUdevRule
UpdateAdbUsbIni
DownloadAdbBinary $1

exit 0