update_sony_build_instructions.sh

#!/bin/bash

# Settings

data_folder="/home/spiritcroc/ROMs/scripts/sonyaospbuild/"

n_patch_script="/home/spiritcroc/ROMs/scripts/sony_n_patch.sh"

m_patch_script="/home/spiritcroc/ROMs/scripts/sony_mm_patch.sh"

# Files to get diff

n_instructions="n_instruct"

n_init="n_init"

n_manif="n_manif"

n_script="n_script"

m_instructions="m_instruct"

m_init="m_init"

m_manif="m_manif"

m_script="m_script"


# Configuration

aosp_n_buid_instructions="http://developer.sonymobile.com/open-devices/aosp-build-instructions/how-to-build-aosp-nougat-for-unlocked-xperia-devices/#build-aosp-nougat-7-0"

aosp_n_html="index.html"

aosp_m_buid_instructions="http://developer.sonymobile.com/open-devices/aosp-build-instructions/how-to-build-aosp-marshmallow-for-unlocked-xperia-devices/"

aosp_m_html="index.html"


# $1: filename
# $2: filename used for diff
create_backup() {
    if [ -f "$1" ]; then

        if [ -f "$2" ]; then

            bak_date=$(date -r "$1" +%Y%m%d_%H%M)

            mv "$2" "$1_$bak_date"

        fi

        mv "$1" "$2"

    fi
}

# $1: $X_instructions
get_init() {
    init=$(cat "$1" | recode html | tr -d '\r' | tr '\n' '\r' | sed 's/.*\(repo init.*\)<\/pre>\r<p><strong>Note!<\/strong> The downloaded data is around 20 GB.*/\1/' | tr '\r' '\n')
}

# $1: $X_instructions
get_manif() {
    manif=$(cat "$1" | recode html | tr -d '\r' | tr '\n' '\r' | sed 's/.*\(<manifest>.*<\/manifest>\).*/\1/' | tr '\r' '\n')
}

# $1: $X_instructions
get_script() {
    script=$(cat "$1" | tr -d '\r' | tr '\n' '\r' | sed 's/.*<li>In a terminal window, enter:\r<pre class=\"prettyprint\">\(.*\)<\/pre>\r<\/li>\r<\/ol>.*/\1/' | tr '\r' '\n' | recode html)
}

# $1: $aosp_X_buid_instructions
# $2: $aosp_X_html
# $3: $X_instructions
# $4: $X_manif
# $5: $X_script
# $6: $X_patch_script
# $7: $X_init
update_instr() {

    wget -q "$1"

    old="$3_old"

    create_backup "$3" "$old"

    mv "$2" "$3"


    get_init $3

    old_init="$7_old"

    create_backup "$7" "$old_init"

    echo "$init" > "$7"

    echo "Init changes:"
    diff "$7" "$old_init"
    echo "End of init changes"


    get_manif "$3"

    old_manif="$4_old"

    create_backup "$4" "$old_manif"

    echo "$manif" > "$4"

    echo "Manifest changes:"
    diff "$4" "$old_manif"
    echo "End of manifest changes"


    get_script "$3"

    old_script="$5_old"

    create_backup "$5" "$old_script"

    echo "$script" > "$5"

    echo "Script changes:"
    diff "$5" "$old_script"
    echo "End of script changes"

    script_location="$6"

    if [ ! -f "$script_location" ]; then
        touch "$script_location"
        chmod a+x "$script_location"
    fi

    echo "#!/bin/bash" > $script_location
    echo "" >> $script_location
    echo "$script" >> $script_location

    echo "Updated script"

}

cd "$data_folder"

echo "Update M instructions..."

update_instr $aosp_m_buid_instructions $aosp_m_html $m_instructions $m_manif $m_script $m_patch_script $m_init

echo "Update N instructions..."

update_instr $aosp_n_buid_instructions $aosp_n_html $n_instructions $n_manif $n_script $n_patch_script $n_init