(Android+Raccoon) Tracks previously installed apps and uses adb to install new ones

raccoon-new.sh

#!/usr/bin/env bash

# USER VARIABLES
config_dir="$HOME/.config/Raccoon"
inst_pkglist_file="$config_dir/installed.txt"
blacklist_file="$config_dir/blacklist.txt"
pkg_width=38
ver_width=15
stat_width=30

# SCRIPT VARIABLES
inst_pkglist=$(<"$inst_pkglist_file")
script_name="${0//*\/}"

# FUNCTIONS
function help {
    printf '%s\n\n' "USAGE: $script_name [OPTION(S)]"
    printf '%s\n' "OPTIONS:"
    printf '  %s\n' "-i|--install: install new packages while being listed"
    printf '  %s\n\n' "-v|--verbose: display a heading and installed packages"
    printf '  %s\n' "-h|--help: show this help and exit"
    exit 0
}

function error {
    printf '%s\n' "ERROR: $1" >&2
    exit 1
}

function pretty_print {
    local c_1 c_2 c_3

    [[ -t 1 ]] && if [ "$4" = HEADING ]; then
        c_1=$'\e[1;37m' c_2=$'\e[1;37m' c_3=$'\e[1;37m' c_c=$'\e[0m'
    else
        c_1=$'\e[1;33m' c_2=$'\e[1;34m' c_3=$'\e['"$4"'m' c_c=$'\e[0m'
    fi

    printf "%-${pkg_width}s%${ver_width}s%${stat_width}s\n" \
        "$c_1$1" "$c_2$2" "$c_3$3$c_c"
}

# COMMANDLINE ARGUMENTS
install=0 verbose=0
while [[ -n "$1" ]]; do
    case "$1" in
        --help|-h)
            help
            ;;
        --install|-i)
            install=1
            ;;
        --verbose|-v)
            verbose=1
            ;;
    esac
    shift
done

# CREATE CONFIG IF IT DOESN'T EXIST
if [[ ! -f "$inst_pkglist_file" ]]; then
    touch "$inst_pkglist_file" >/dev/null 2>&1 \
        || error "couldn't create $inst_pkglist_file"
elif [[ ! -w "$inst_pkglist_file" ]]; then
    error "can't write to $inst_pkglist_file"
fi

# LIST/install PACKAGES
[[ "$verbose" = 1 ]] \
    && pretty_print 'PACKAGE' 'VERSION' 'STATUS' 'HEADING'

while read -r; do
    pkgname="${REPLY/*\//}"
    pkgname="${pkgname/-*}"
    pkgver="${REPLY/*\/*-/}"
    pkgver="${pkgver/\.apk/}"
    apk="$pkgname-$pkgver.apk"

    if [[ ! -f "$blacklist_file" ]] || ! egrep -q "^$pkgname$" "$blacklist_file"; then
        if [[ "$inst_pkglist" =~ $apk ]]; then
            [[ "$verbose" = 1 ]] && \
                pretty_print "$pkgname" "$pkgver" 'installed' '1;30'
        else
            if [[ "$install" = 1 ]]; then
                if [[ $(adb devices) =~ device\ *$ ]]; then
                    if egrep -q '^ *Success' < <(adb install -r "$REPLY" 2>&1); then
                        pretty_print "$pkgname" "$pkgver" 'install success' '1;32'
                        printf '%s\n' "$apk" >> "$inst_pkglist_file"
                    else
                        pretty_print "$pkgname" "$pkgver" 'install failed' '1;31'
                    fi
                else
                    error 'device not attached'
                fi
            else
                pretty_print "$pkgname" "$pkgver" 'new package' '1;37'
            fi
        fi
    fi
done < <(find "$config_dir/archives/default" -iname '*.apk')

exit 0