diff --git a/base/.config/bash/bashrc.d/aliases.sh b/base/.config/bash/bashrc.d/aliases.sh
index 8b0a8ea..ab2c47d 100644
--- a/base/.config/bash/bashrc.d/aliases.sh
+++ b/base/.config/bash/bashrc.d/aliases.sh
@@ -12,7 +12,6 @@ alias +x='chmod +x'
 
 alias rsync-win='rsync --recursive --verbose --times --modify-window=1 '
 alias simple-http-server='python3 -m http.server'
-# shellcheck disable=SC1004
 alias wget-opendir='wget --recursive --level 0 --continue --no-clobber \
     --no-parent --execute robots=off --random-wait --limit-rate=800k \
     --reject=html,htm,index'
@@ -22,8 +21,8 @@ alias take='sudo chown $(whoami):$(whoami) '
 alias pretty_json='jq --compact-output | prettier --parser json | bat --language json'
 
 if [[ $(uname) == Linux ]]; then
-    alias ls='ls --color=auto'
-    alias grep='grep --color=auto'
-    alias fgrep='fgrep --color=auto'
-    alias egrep='egrep --color=auto'
+	alias ls='ls --color=auto'
+	alias grep='grep --color=auto'
+	alias fgrep='fgrep --color=auto'
+	alias egrep='egrep --color=auto'
 fi
diff --git a/base/.config/bash/bashrc.d/bash.sh b/base/.config/bash/bashrc.d/bash.sh
index 2196687..df78a9a 100644
--- a/base/.config/bash/bashrc.d/bash.sh
+++ b/base/.config/bash/bashrc.d/bash.sh
@@ -2,23 +2,23 @@
 #ft=bash
 
 # always save bash history before showing prompt; allow reloading bashrc
-if [[ ! "$PROMPT_COMMAND" =~ "history -a" ]]; then
-    PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"
+if [[ ! $PROMPT_COMMAND =~ "history -a" ]]; then
+	PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"
 fi
 
 # Disable capslock
 if [[ -x $(which setxkbmap) ]] && [[ $(uname) == Linux ]]; then
-    setxkbmap -option ctrl:nocaps
+	setxkbmap -option ctrl:nocaps
 fi
 
 # make less more friendly for non-text input files, see lesspipe(1)
 if [ -x /usr/bin/lesspipe ]; then
-    eval "$(SHELL=/bin/sh lesspipe)"
+	eval "$(SHELL=/bin/sh lesspipe)"
 fi
 
 # enable color support of ls and also add handy aliases
 if [ -x /usr/bin/dircolors ]; then
-    if test -r ~/.dircolors ; then
-        eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
-    fi
+	if test -r ~/.dircolors; then
+		eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
+	fi
 fi
diff --git a/base/.config/bash/bashrc.d/completion.sh b/base/.config/bash/bashrc.d/completion.sh
index 649c01a..498ded4 100644
--- a/base/.config/bash/bashrc.d/completion.sh
+++ b/base/.config/bash/bashrc.d/completion.sh
@@ -2,27 +2,27 @@
 
 # shellcheck disable=SC1091
 if [ -f /etc/bash_completion ]; then
-    source /etc/bash_completion
+	source /etc/bash_completion
 fi
 
 # shellcheck disable=SC1091
 if [ -f /usr/local/etc/bash_completion ]; then
-    source /usr/local/etc/bash_completion
+	source /usr/local/etc/bash_completion
 fi
 
 COMPLETION_DIR=/usr/local/etc/bash_completion.d/
 
 if [ -d "$COMPLETION_DIR" ]; then
-    # shellcheck disable=SC2045
-    for i in $(ls "$COMPLETION_DIR"); do
-        file="$COMPLETION_DIR/$i"
-        if [ -r "${file}" ]; then
-            # shellcheck disable=SC1090
-            source "${file}"
-        fi
-        unset file
-    done
-    unset i
+	# shellcheck disable=SC2045
+	for i in $(ls "$COMPLETION_DIR"); do
+		file="$COMPLETION_DIR/$i"
+		if [ -r "${file}" ]; then
+			# shellcheck disable=SC1090
+			source "${file}"
+		fi
+		unset file
+	done
+	unset i
 fi
 
 unset COMPLETION_DIR
diff --git a/base/.config/bash/bashrc.d/functions.sh b/base/.config/bash/bashrc.d/functions.sh
index 1ac565b..384bb55 100644
--- a/base/.config/bash/bashrc.d/functions.sh
+++ b/base/.config/bash/bashrc.d/functions.sh
@@ -2,29 +2,17 @@
 #ft=bash
 
 function min-jpg {
-    if ! command -v jpegtran &> /dev/null ; then
-        echo "jpegtran not installed"
-    fi
-    tmpfile="$(mktemp)"
-    ogfile="$1"
-    jpegtran -optimize -perfect -outfile "$tmpfile" "$ogfile"
-    mv "$tmpfile" "$ogfile"
+	min_jpg "${@}"
 }
 
 function min-png {
-    if ! command -v pngcrush &> /dev/null ; then
-        echo "pngcrush not installed"
-    fi
-    tmpfile="$(mktemp)"
-    ogfile="$1"
-    pngcrush -rem alla -reduce -brute "$ogfile" "$tmpfile"
-    mv "$tmpfile" "$ogfile"
+	min_png "${@}"
 }
 
 function get-create-date {
-    date -r "$1" +"%F"
+	get_create_date "${@}"
 }
 
 function add-date-prefix {
-    add_date_prefix "$1" "$2"
+	add_date_prefix "${@}"
 }
diff --git a/base/.config/bash/bashrc.d/jetbrains.sh b/base/.config/bash/bashrc.d/jetbrains.sh
index 35b7281..5af6e87 100644
--- a/base/.config/bash/bashrc.d/jetbrains.sh
+++ b/base/.config/bash/bashrc.d/jetbrains.sh
@@ -2,7 +2,7 @@
 #ft=bash
 
 if [[ -d "${XDG_DATA_HOME}/JetBrains/Toolbox/scripts" ]]; then
-    if [[ ":${PATH}:" != *":${XDG_DATA_HOME}/JetBrains/Toolbox/scripts:"* ]]; then
-        export PATH="${PATH}:${XDG_DATA_HOME}/JetBrains/Toolbox/scripts"
-    fi
+	if [[ ":${PATH}:" != *":${XDG_DATA_HOME}/JetBrains/Toolbox/scripts:"* ]]; then
+		export PATH="${PATH}:${XDG_DATA_HOME}/JetBrains/Toolbox/scripts"
+	fi
 fi
diff --git a/base/.config/bash/bashrc.d/opts.sh b/base/.config/bash/bashrc.d/opts.sh
index 273b733..4787b67 100644
--- a/base/.config/bash/bashrc.d/opts.sh
+++ b/base/.config/bash/bashrc.d/opts.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 #ft=bash
-if [[ ! "${BASH_VERSION}" = "3.2*" ]]; then
-    shopt -s autocd
+if [[ ${BASH_VERSION} != "3.2*" ]]; then
+	shopt -s autocd
 fi
 
 # append to the history file, don't overwrite it
diff --git a/base/.config/profile/profile.d/base.sh b/base/.config/profile/profile.d/base.sh
index 157d873..fc10aad 100644
--- a/base/.config/profile/profile.d/base.sh
+++ b/base/.config/profile/profile.d/base.sh
@@ -1,83 +1,121 @@
 #ft=sh
+#shellcheck shell=sh
 
-if type nvim >/dev/null 2>/dev/null ; then
-    export EDITOR=nvim
-    alias vim=nvim
+if type nvim >/dev/null 2>/dev/null; then
+	export EDITOR=nvim
+	alias vim=nvim
 else
-    export EDITOR=vim
+	export EDITOR=vim
 fi
 
-slugify () (
-    if [ "$#" -ne 0 ] ; then
-        echo "$@" | slugify
-    else
-        iconv --to-code ascii//TRANSLIT |
-            sed -E 's/[^a-zA-Z0-9]+/-/g' |
-            sed -E 's/^-+\|-+$//g' |
-            tr '[:upper:]' '[:lower:]'
-    fi
+source_env_file() {
+	if [ ! -f "${1}" ]; then
+		return
+	fi
+	eval "$(
+		grep -v '^\s*\#' "${1}" |
+			grep -v '^\s*$' |
+			sed 's/^\s*export//g' |
+			sed 's/^/export /g'
+	)"
+}
+
+add_date_prefix() (
+	DIR=$(dirname "$1")
+	FILE=$(basename "$1")
+	DATE=$(date -r "$1" +"%F")
+	if [ ! -f "$1" ]; then
+		echo "unknown file: $1"
+		exit 1
+	fi
+	mv "$1" "$DIR/${DATE}_${FILE}"
 )
 
-source_env_file () {
-    if [ ! -f "${1}" ]; then
-        return
-    fi
-    eval "$(
-        grep -v '^\s*\#' "${1}" |
-        grep -v '^\s*$' |
-        sed 's/^\s*export//g' |
-        sed 's/^/export /g'
-    )"
-}
+get_bitrate() (
+	if [ ! -f "$1" ]; then
+		echo "[ERROR] unknown file: $1"
+		exit 1
+	fi
+	if ! command -v exiftool >/dev/null; then
+		echo "[ERROR] exiftool not installed"
+		exit 1
+	fi
+	exiftool -AudioBitrate "$1" | awk '{print $4}'
+)
+
+json_to_yaml() (
+	ARG=${1-}
+	if [ -z "${ARG}" ]; then
+		dasel --read json --write yaml | bat --language yaml
+	elif [ -f "${ARG}" ]; then
+		dasel --read json --write yaml --file "${ARG}" | bat --language yaml
+	else
+		echo "${ARG}" | dasel --read json --write yaml | bat --language yaml
+	fi
+)
+
+yaml_to_json() (
+	ARG=${1-}
+	if [ -z "${ARG}" ]; then
+		dasel --read yaml --write json | bat --language json
+	elif [ -f "${ARG}" ]; then
+		dasel --read yaml --write json --file "${ARG}" | bat --language json
+	else
+		echo "${ARG}" | dasel --read yaml --write json | bat --language json
+	fi
+)
+
+github_releases() (
+	USER=${1}
+	REPO=${2-}
+	if [ -z "${REPO}" ]; then
+		USER=$(echo "${1}" | sed 's|/| |g' | awk '{print $1}')
+		REPO=$(echo "${1}" | sed 's|/| |g' | awk '{print $2}')
+	fi
+	curl --silent --header "Accept: application/vnd.github.v3+json" \
+		"https://api.github.com/repos/${USER}/${REPO}/releases"
+)
 
-add_date_prefix () (
-    DIR=$(dirname "$1")
-    FILE=$(basename "$1")
-    DATE=$(date -r "$1" +"%F")
-    if [ ! -f "$1" ] ; then
-        echo "unknown file: $1"
-        exit 1
-    fi
-    mv "$1" "$DIR/${DATE}_${FILE}"
+command_installed() (
+	set -ue
+	cmd=${1}
+	if ! command -v "${cmd}" 1>&2 >/dev/null; then
+		echo "${cmd} not installed" 1>&2
+		exit 1
+	fi
 )
 
-get_bitrate () (
-    if [ ! -f "$1" ] ; then
-        echo "[ERROR] unknown file: $1"
-        exit 1
-    fi
-    if ! command -v exiftool > /dev/null ; then
-        echo "[ERROR] exiftool not installed"
-        exit 1
-    fi
-    exiftool -AudioBitrate "$1" | awk '{print $4}'
+min_jpg() (
+	set -ue
+	command_installed jpegtran
+	file=$1
+	out_file=$(mktemp)
+	jpegtran -optimize -perfect -outfile "$out_file" "$file"
+	mv "$out_file" "$file"
 )
 
-json_to_yaml () (
-    ARG=${1:-}
-    if [ -z "${ARG}" ] ; then
-        dasel --read json --write yaml | bat --language yaml
-    elif [ -f "${ARG}" ] ; then
-        dasel --read json --write yaml --file "${ARG}" | bat --language yaml
-    else
-        echo "${ARG}" |  dasel --read json --write yaml | bat --language yaml
-    fi
+min_png() (
+	set -ue
+	command_installed pngcrush
+	out_file=$(mktemp)
+	file=$1
+	pngcrush -rem alla -reduce -brute "$file" "$out_file"
+	mv "$out_file" "$file"
 )
 
-yaml_to_json () (
-    ARG=${1:-}
-    if [ -z "${ARG}" ] ; then
-        dasel --read yaml --write json | bat --language json
-    elif [ -f "${ARG}" ] ; then
-        dasel --read yaml --write json --file "${ARG}" | bat --language json
-    else
-        echo "${ARG}" |  dasel --read yaml --write json | bat --language json
-    fi
+get_create_date() (
+	date -r "$1" +"%F"
 )
 
-github_releases () (
-    USER=${1}
-    REPO=${2}
-    curl --silent --header "Accept: application/vnd.github.v3+json" \
-        "https://api.github.com/repos/${USER}/${REPO}/releases"
+#shellcheck disable=SC2120
+slugify() (
+	if [ "$#" -ne 0 ]; then
+		#shellcheck disable=SC2119
+		echo "$@" | slugify
+	else
+		iconv --to-code ascii//TRANSLIT |
+			sed -E 's/[^a-zA-Z0-9]+/-/g' |
+			sed -E 's/^-+\|-+$//g' |
+			tr '[:upper:]' '[:lower:]'
+	fi
 )
diff --git a/base/.local/share/buddy-up/includes/github.sh b/base/.local/share/buddy-up/includes/github.sh
index bfce802..8b038cd 100644
--- a/base/.local/share/buddy-up/includes/github.sh
+++ b/base/.local/share/buddy-up/includes/github.sh
@@ -1,31 +1,31 @@
 #!/usr/bin/env bash
 
-latest_download () (
-    FILTER='import "github" as gh; gh::latest_download(env.OS; env.ARCH)'
-    OS=${2} ARCH="${3}" jq --raw-output "${FILTER}" <"$(release_json "${1}")"
+latest_download() (
+	FILTER='import "github" as gh; gh::latest_download(env.OS; env.ARCH)'
+	OS=${2} ARCH="${3}" jq --raw-output "${FILTER}" <"$(release_json "${1}")"
 )
 
-latest_type () (
-    FILTER='import "github" as gh; gh::latest_type(env.OS; env.ARCH)'
-    OS=${2} ARCH="${3}" jq --raw-output "${FILTER}" <"$(release_json "${1}")"
+latest_type() (
+	FILTER='import "github" as gh; gh::latest_type(env.OS; env.ARCH)'
+	OS=${2} ARCH="${3}" jq --raw-output "${FILTER}" <"$(release_json "${1}")"
 )
 
-latest_version () (
-    FILTER='import "github" as gh; gh::latest_version'
-    jq --raw-output "${FILTER}" <"$(release_json "${1}")"
+latest_version() (
+	FILTER='import "github" as gh; gh::latest_version'
+	jq --raw-output "${FILTER}" <"$(release_json "${1}")"
 )
 
-age_in_seconds () (
-    echo $(( $(date +"%s") - $(stat -c "%Y" "${1}") ))
+age_in_seconds() (
+	echo $(($(date +"%s") - $(stat -c "%Y" "${1}")))
 )
 
-release_json () (
-    DAY=$((60 * 60 * 24))
-    PROJECT=$1
-    JSON=${XDG_CACHE_HOME}/apps/meta/${PROJECT}/releases.json
-    mkdir -p "$(dirname "${JSON}")"
-    if [[ ! -f "${JSON}" || "$(age_in_seconds "${JSON}")" -gt "${DAY}" ]]; then
-        curl --silent --output "${JSON}" "https://api.github.com/repos/${PROJECT}/releases"
-    fi
-    echo "${JSON}"
+release_json() (
+	DAY=$((60 * 60 * 24))
+	PROJECT=$1
+	JSON=${XDG_CACHE_HOME}/apps/meta/${PROJECT}/releases.json
+	mkdir -p "$(dirname "${JSON}")"
+	if [[ ! -f ${JSON} || "$(age_in_seconds "${JSON}")" -gt ${DAY} ]]; then
+		curl --silent --output "${JSON}" "https://api.github.com/repos/${PROJECT}/releases"
+	fi
+	echo "${JSON}"
 )
diff --git a/base/.local/share/buddy-up/includes/utils.sh b/base/.local/share/buddy-up/includes/utils.sh
index 803bbd3..83c22bb 100644
--- a/base/.local/share/buddy-up/includes/utils.sh
+++ b/base/.local/share/buddy-up/includes/utils.sh
@@ -1,178 +1,184 @@
 #ft=bash
 
-bail () (
-    >&2 echo "ERROR: $1"
-    exit 1
+bail() (
+	echo >&2 "ERROR: $1"
+	exit 1
 )
 
-must_be_root () (
-    if [ "$(id --user)" != 0 ]; then
-        bail "must run as root"
-    fi
+must_be_root() (
+	if [ "$(id --user)" != 0 ]; then
+		bail "must run as root"
+	fi
 )
 
-set_link () (
-    TARGET=${1}
-    APP_DIR=${2}
-    APP_PATH=${3:-}
+set_link() (
+	TARGET=${1}
+	APP_DIR=${2}
+	APP_PATH=${3-}
 
-    pushd "$(dirname "${TARGET}")" >/dev/null || exit 1
-    unlink_if_set "${TARGET}"
-    REL_PATH=$(relative_path "$(dirname "${TARGET}")" "${APP_DIR}/current/${APP_PATH}")
-    ln -s "${REL_PATH}" "$(basename "${TARGET}")"
-    popd >/dev/null || exit 1
+	pushd "$(dirname "${TARGET}")" >/dev/null || exit 1
+	unlink_if_set "${TARGET}"
+	REL_PATH=$(relative_path "$(dirname "${TARGET}")" "${APP_DIR}/current/${APP_PATH}")
+	ln -s "${REL_PATH}" "$(basename "${TARGET}")"
+	popd >/dev/null || exit 1
 )
 
-get_os () (
-    case $(uname -s) in
-        Linux*)         echo linux;;
-        Darwin*)        echo darwin;;
-        Dragonfly*)     echo dragonfly;;
-        FreeBSD*)       echo freebsd;;
-        NetBSD*)        echo netbsd;;
-        OpenBSD*)       echo openbsd;;
-        SunOS*)         echo solaris;;
-        Windows_NT*)    echo windows;;
-        CYGWIN_NT*)     echo windows;;
-        *)          >&2 echo "unsupported os"; return;
-    esac
+get_os() (
+	case $(uname -s) in
+	Linux*) echo linux ;;
+	Darwin*) echo darwin ;;
+	Dragonfly*) echo dragonfly ;;
+	FreeBSD*) echo freebsd ;;
+	NetBSD*) echo netbsd ;;
+	OpenBSD*) echo openbsd ;;
+	SunOS*) echo solaris ;;
+	Windows_NT*) echo windows ;;
+	CYGWIN_NT*) echo windows ;;
+	*)
+		echo >&2 "unsupported os"
+		return
+		;;
+	esac
 )
 
-get_arch () (
-    case $(uname -m) in
-        x86_64*)    echo amd64;;
-        amd64*)     echo amd64;;
-        i386*)      echo 386;;
-        i686*)      echo 386;;
-        arm)        echo arm;;
-        armv7*)     echo arm;;
-        armv6*)     echo arm;;
-        armv8*)     echo arm;;
-        aarch64*)   echo arm64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo amd64 ;;
+	amd64*) echo amd64 ;;
+	i386*) echo 386 ;;
+	i686*) echo 386 ;;
+	arm) echo arm ;;
+	armv7*) echo arm ;;
+	armv6*) echo arm ;;
+	armv8*) echo arm ;;
+	aarch64*) echo arm64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
 )
 
-set_current_link () (
-    prefix=${1}
-    version=${2}
-    sudo=${3:-}
-    current="${prefix}/current"
-    if [ -L "${current}" ] ; then
-        $sudo unlink "${current}"
-    fi
-    rel="$(relative_path "${prefix}" "${prefix}/${version}")"
-    $sudo ln -s "$rel" "${current}"
+set_current_link() (
+	prefix=${1}
+	version=${2}
+	sudo=${3-}
+	current="${prefix}/current"
+	if [ -L "${current}" ]; then
+		$sudo unlink "${current}"
+	fi
+	rel="$(relative_path "${prefix}" "${prefix}/${version}")"
+	$sudo ln -s "$rel" "${current}"
 )
 
-unlink_if_set () (
-    dir=$1
-    sudo=${2:-}
-    if [ -L "${dir}" ]; then
-        # shellcheck disable=SC2086
-        ${sudo} unlink "${dir}"
-    fi
+unlink_if_set() (
+	dir=$1
+	sudo=${2-}
+	if [ -L "${dir}" ]; then
+		# shellcheck disable=SC2086
+		${sudo} unlink "${dir}"
+	fi
 )
 
-mkdir_if_missing () (
-    dir=${1}
-    sudo=${2:-}
-    if [ ! -d "${dir}" ]; then
-        # shellcheck disable=SC2086
-        $sudo mkdir -p "${dir}"
-    fi
+mkdir_if_missing() (
+	dir=${1}
+	sudo=${2-}
+	if [ ! -d "${dir}" ]; then
+		# shellcheck disable=SC2086
+		$sudo mkdir -p "${dir}"
+	fi
 )
 
-extract_zip () (
-    url=${1}
-    dest=${2}
-    args=${3:-}
-    sudo=${4:-}
-    if [ -d "${dest}" ]; then
-        return
-    fi
-
-    mkdir_if_missing "${dest}" "${sudo}"
-    tmp_dir="$(mktemp -d)"
-    zipfile=${tmp_dir}/release.zip
-    curl --silent --location --output "${zipfile}" "${url}"
-    # shellcheck disable=SC2086
-    $sudo unzip -o "${zipfile}" -d "${dest}" ${args}
-    rm -rf "${tmp_dir}"
+extract_zip() (
+	url=${1}
+	dest=${2}
+	args=${3-}
+	sudo=${4-}
+	if [ -d "${dest}" ]; then
+		return
+	fi
+
+	mkdir_if_missing "${dest}" "${sudo}"
+	tmp_dir="$(mktemp -d)"
+	zipfile=${tmp_dir}/release.zip
+	curl --silent --location --output "${zipfile}" "${url}"
+	# shellcheck disable=SC2086
+	$sudo unzip -o "${zipfile}" -d "${dest}" ${args}
+	rm -rf "${tmp_dir}"
 )
 
-extract_tarball () (
-    url=${1}
-    dest=${2}
-    args=${3:-}
-    sudo=${4:-}
-    if [ -d "${dest}" ]; then
-        return
-    fi
-
-    mkdir_if_missing "${dest}" "${sudo}"
-    tmp_dir="$(mktemp -d)"
-    tarball=${tmp_dir}/release.tar.gz
-    curl --silent --location --output "${tarball}" "${url}"
-    # shellcheck disable=SC2086
-    $sudo tar xf "${tarball}" --directory "${dest}" ${args}
-    rm -rf "${tmp_dir}"
+extract_tarball() (
+	url=${1}
+	dest=${2}
+	args=${3-}
+	sudo=${4-}
+	if [ -d "${dest}" ]; then
+		return
+	fi
+
+	mkdir_if_missing "${dest}" "${sudo}"
+	tmp_dir="$(mktemp -d)"
+	tarball=${tmp_dir}/release.tar.gz
+	curl --silent --location --output "${tarball}" "${url}"
+	# shellcheck disable=SC2086
+	$sudo tar xf "${tarball}" --directory "${dest}" ${args}
+	rm -rf "${tmp_dir}"
 )
 
-extract_binary () (
-    url=${1}
-    dest=${2}
-    sudo=${3:-}
-    if [ -f "${dest}" ]; then
-        return
-    fi
-    mkdir_if_missing "$(dirname "${dest}")" "${sudo}"
-    tmp_file="$(mktemp)"
-    curl --silent --location --output "${tmp_file}" "${url}"
-    $sudo chmod +x "${tmp_file}"
-    $sudo mv "${tmp_file}" "${dest}"
+extract_binary() (
+	url=${1}
+	dest=${2}
+	sudo=${3-}
+	if [ -f "${dest}" ]; then
+		return
+	fi
+	mkdir_if_missing "$(dirname "${dest}")" "${sudo}"
+	tmp_file="$(mktemp)"
+	curl --silent --location --output "${tmp_file}" "${url}"
+	$sudo chmod +x "${tmp_file}"
+	$sudo mv "${tmp_file}" "${dest}"
 )
 
 relative_path() (
-    # both $1 and $2 are absolute paths beginning with /
-    # $1 must be a canonical path; that is none of its directory
-    # components may be ".", ".." or a symbolic link
-    #
-    # returns relative path to $2/$target from $1/$src
-    src=$1
-    target=$2
-
-    common_part=$src
-    result=
-
-    while [ "${target#"$common_part"}" = "$target" ]; do
-        # no match, means that candidate common part is not correct
-        # go up one level (reduce common part)
-        common_part=$(dirname "$common_part")
-        # and record that we went back, with correct / handling
-        if [ -z "$result" ]; then
-            result=..
-        else
-            result=../$result
-        fi
-    done
-
-    if [ "$common_part" = / ]; then
-        # special case for root (no common path)
-        result=$result/
-    fi
-
-    # since we now have identified the common part,
-    # compute the non-common part
-    forward_part=${target#"$common_part"}
-
-    # and now stick all parts together
-    if [ -n "$result" ] && [ -n "$forward_part" ]; then
-        result=$result$forward_part
-    elif [ -n "$forward_part" ]; then
-        # extra slash removal
-        result=${forward_part#?}
-    fi
-
-    printf '%s' "$result"
+	# both $1 and $2 are absolute paths beginning with /
+	# $1 must be a canonical path; that is none of its directory
+	# components may be ".", ".." or a symbolic link
+	#
+	# returns relative path to $2/$target from $1/$src
+	src=$1
+	target=$2
+
+	common_part=$src
+	result=
+
+	while [ "${target#"$common_part"}" = "$target" ]; do
+		# no match, means that candidate common part is not correct
+		# go up one level (reduce common part)
+		common_part=$(dirname "$common_part")
+		# and record that we went back, with correct / handling
+		if [ -z "$result" ]; then
+			result=..
+		else
+			result=../$result
+		fi
+	done
+
+	if [ "$common_part" = / ]; then
+		# special case for root (no common path)
+		result=$result/
+	fi
+
+	# since we now have identified the common part,
+	# compute the non-common part
+	forward_part=${target#"$common_part"}
+
+	# and now stick all parts together
+	if [ -n "$result" ] && [ -n "$forward_part" ]; then
+		result=$result$forward_part
+	elif [ -n "$forward_part" ]; then
+		# extra slash removal
+		result=${forward_part#?}
+	fi
+
+	printf '%s' "$result"
 )
diff --git a/install-scripts/.local/bin/install-aax-to-mp3 b/install-scripts/.local/bin/install-aax-to-mp3
index 7cb611b..4aec917 100755
--- a/install-scripts/.local/bin/install-aax-to-mp3
+++ b/install-scripts/.local/bin/install-aax-to-mp3
@@ -2,7 +2,7 @@
 
 set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=aax-to-mp3
@@ -10,7 +10,7 @@ VERSION=${VERSION:-1.3}
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
 URL=https://github.com/KrumpetPirate/AAXtoMP3/releases/download/v${VERSION}/AAXtoMP3-v${VERSION}.tar.gz
 
-extract_tarball  "${URL}"  "${DEST}/${VERSION}" "--strip-component 1"
+extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-component 1"
 set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/AAXtoMP3"            "${DEST}" AAXtoMP3
+set_link "${XDG_BIN_HOME}/AAXtoMP3" "${DEST}" AAXtoMP3
 set_link "${XDG_BIN_HOME}/interactiveAAXtoMP3" "${DEST}" interactiveAAXtoMP3
diff --git a/install-scripts/.local/bin/install-age b/install-scripts/.local/bin/install-age
index 0f71c78..fc31359 100755
--- a/install-scripts/.local/bin/install-age
+++ b/install-scripts/.local/bin/install-age
@@ -1,14 +1,16 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
+set -euo pipefail
+
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=age
 VERSION=${VERSION:-1.1.1}
-DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
 URL=https://github.com/FiloSottile/age/releases/download/v${VERSION}/age-v${VERSION}-$(get_os)-$(get_arch).tar.gz
 
 extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-components 1"
 set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/age"        "${DEST}" age
+set_link "${XDG_BIN_HOME}/age" "${DEST}" age
 set_link "${XDG_BIN_HOME}/age-keygen" "${DEST}" age-keygen
diff --git a/install-scripts/.local/bin/install-cert-manager-cmctl b/install-scripts/.local/bin/install-cert-manager-cmctl
index 50e51e9..963a41b 100755
--- a/install-scripts/.local/bin/install-cert-manager-cmctl
+++ b/install-scripts/.local/bin/install-cert-manager-cmctl
@@ -1,21 +1,31 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
-
-get_arch () {
-    case $(uname -m) in
-        x86_64*)    echo amd64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-}
+set -euo pipefail
 
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=cmctl
 VERSION=${VERSION:-1.6.1}
-DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
-URL=https://github.com/jetstack/cert-manager/releases/download/v${VERSION}/cmctl-$(get_os)-$(get_arch).tar.gz
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+
+main() (
+	set -x
+	URL=https://github.com/cert-manager/cert-manager/releases/download/v${VERSION}/cmctl-$(get_os)-$(get_arch).tar.gz
+
+	extract_tarball "${URL}" "${DEST}/${VERSION}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo amd64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
 
-extract_tarball "${URL}" "${DEST}/${VERSION}"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}"  "${APP}"
+main "${@}"
diff --git a/install-scripts/.local/bin/install-chezmoi b/install-scripts/.local/bin/install-chezmoi
index 021e1e7..eb06897 100755
--- a/install-scripts/.local/bin/install-chezmoi
+++ b/install-scripts/.local/bin/install-chezmoi
@@ -1,24 +1,34 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-get_arch () {
-    case $(uname -m) in
-        x86_64*)    echo amd64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-}
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=chezmoi
-VERSION=${VERSION:-2.22.1}
-DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
-URL=https://github.com/twpayne/chezmoi/releases/download/v${VERSION}/chezmoi_${VERSION}_$(get_os)_$(get_arch).tar.gz
+VERSION=${VERSION:-2.33.6}
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+
+main() (
+	URL=https://github.com/twpayne/chezmoi/releases/download/v${VERSION}/chezmoi_${VERSION}_$(get_os)_$(get_arch).tar.gz
+
+	extract_tarball "${URL}" "${DEST}/${VERSION}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+	set_link "${XDG_CONFIG_HOME}/bash/bashrc.d/chezmoi.sh" "${DEST}" "completions/chezmoi-completion.bash"
+	set_link "${XDG_CONFIG_HOME}/zsh/zshrc.d/chezmoi.zsh" "${DEST}" "completions/chezmoi.zsh"
+	set_link "${XDG_CONFIG_HOME}/fish/completions/chezmoi.fish" "${DEST}" "completions/chezmoi.fish"
+	set_link "${XDG_DATA_HOME}/doc/chezmoi" "${DEST}" "docs"
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo amd64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
 
-extract_tarball "${URL}" "${DEST}/${VERSION}"
-set_current_link "${DEST}" "${VERSION}"
-set_link  "${XDG_BIN_HOME}/${APP}"                            "${DEST}"  "${APP}"
-set_link  "${XDG_CONFIG_HOME}/bash/bashrc.d/chezmoi.sh"       "${DEST}"  "completions/chezmoi-completion.bash"
-set_link  "${XDG_CONFIG_HOME}/zsh/zshrc.d/chezmoi.zsh"        "${DEST}"  "completions/chezmoi.zsh"
-set_link  "${XDG_CONFIG_HOME}/fish/completions/chezmoi.fish"  "${DEST}"  "completions/chezmoi.fish"
-set_link  "${XDG_DATA_HOME}/doc/chezmoi"                      "${DEST}"  "docs"
+main "${@}"
diff --git a/install-scripts/.local/bin/install-dasel-home b/install-scripts/.local/bin/install-dasel-home
index 5abf243..5279297 100755
--- a/install-scripts/.local/bin/install-dasel-home
+++ b/install-scripts/.local/bin/install-dasel-home
@@ -1,22 +1,32 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-get_arch () (
-    case $(uname -m) in
-        x86_64*)    echo amd64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-)
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=dasel
 VERSION=${VERSION:-2.2.0}
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
-URL=https://github.com/TomWright/dasel/releases/download/v${VERSION}/dasel_$(get_os)_$(get_arch)
 
-mkdir_if_missing "${DEST}/${VERSION}"
-curl --silent --location --output "${DEST}/${VERSION}/dasel" "${URL}"
-chmod 755 "${DEST}/${VERSION}/dasel"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+main() (
+	URL=https://github.com/TomWright/dasel/releases/download/v${VERSION}/dasel_$(get_os)_$(get_arch)
+
+	mkdir_if_missing "${DEST}/${VERSION}"
+	curl --silent --location --output "${DEST}/${VERSION}/dasel" "${URL}"
+	chmod 755 "${DEST}/${VERSION}/dasel"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo amd64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
+
+main "${@}"
diff --git a/install-scripts/.local/bin/install-dust b/install-scripts/.local/bin/install-dust
index d82efff..295efae 100755
--- a/install-scripts/.local/bin/install-dust
+++ b/install-scripts/.local/bin/install-dust
@@ -1,20 +1,31 @@
 #!/usr/bin/env bash
 
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-function get_os () {
-    case $(uname -s) in
-        Linux*)     echo unknown-linux-gnu;;
-        Darwin*)    echo apple-darwin;;
-        *)          >&2 echo "unsupported os: $(uname -s)"; exit 1;;
-    esac
-}
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=dust
-VERSION=${VERSION:-0.6.2}
-DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
-URL="https://github.com/bootandy/dust/releases/download/v${VERSION}/dust-v${VERSION}-$(uname -m)-$(get_os).tar.gz"
+VERSION=${VERSION:-0.8.6}
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+
+main() (
+	URL=https://github.com/bootandy/dust/releases/download/v${VERSION}/dust-v${VERSION}-$(uname -m)-$(get_os).tar.gz
+
+	extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-component 1"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_os() (
+	case $(uname -s) in
+	Linux*) echo unknown-linux-gnu ;;
+	Darwin*) echo apple-darwin ;;
+	*)
+		echo >&2 "unsupported os: $(uname -s)"
+		exit 1
+		;;
+	esac
+)
 
-extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-component 1"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+main "${@}"
diff --git a/install-scripts/.local/bin/install-etcd-system b/install-scripts/.local/bin/install-etcd-system
index 145fb13..5e35e10 100755
--- a/install-scripts/.local/bin/install-etcd-system
+++ b/install-scripts/.local/bin/install-etcd-system
@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 
-set -e
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=etcd
-VERSION=${VERSION:-v3.4.15}
+VERSION=${VERSION:-v3.5.9}
 APPS_DIR=/usr/local/apps/${APP}
 URL=https://github.com/etcd-io/etcd/releases/download/${VERSION}/etcd-${VERSION}-$(get_os)-$(get_arch).tar
 
@@ -16,9 +16,9 @@ set_current_link "${APPS_DIR}" "${VERSION}" sudo
 apps=$(find ${APPS_DIR}/current/ -maxdepth 1 -executable -type f -exec basename {} \;)
 cd /usr/local/bin
 for bin in $apps; do
-    if [[ ! -s $bin ]]; then
-        sudo ln --symbolic \
-            "$(relative_path "/usr/local/bin" "${APPS_DIR}/current/${bin}")" \
-            "${bin}"
-    fi
+	if [[ ! -s $bin ]]; then
+		sudo ln --symbolic \
+			"$(relative_path "/usr/local/bin" "${APPS_DIR}/current/${bin}")" \
+			"${bin}"
+	fi
 done
diff --git a/install-scripts/.local/bin/install-evans b/install-scripts/.local/bin/install-evans
index 745d698..fbb4913 100755
--- a/install-scripts/.local/bin/install-evans
+++ b/install-scripts/.local/bin/install-evans
@@ -1,22 +1,30 @@
 #!/usr/bin/env bash
 
-set -e
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
-get_arch () {
-    case $(uname -m) in
-        x86_64*)    echo amd64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-}
-
 APP=evans
-VERSION=${VERSION:-0.10.2}
-DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
-URL=https://github.com/ktr0731/evans/releases/download/${VERSION}/evans_$(get_os)_$(get_arch).tar.gz
+VERSION=${VERSION:-v0.10.11}
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+
+main() (
+	URL=https://github.com/ktr0731/evans/releases/download/${VERSION}/evans_$(get_os)_$(get_arch).tar.gz
+
+	extract_tarball "${URL}" "${DEST}/${VERSION}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo amd64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
 
-extract_tarball "${URL}" "${DEST}/${VERSION}"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+main "${@}"
diff --git a/install-scripts/.local/bin/install-geckodriver b/install-scripts/.local/bin/install-geckodriver
index addb721..61286d0 100755
--- a/install-scripts/.local/bin/install-geckodriver
+++ b/install-scripts/.local/bin/install-geckodriver
@@ -2,35 +2,46 @@
 
 set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
-get_os () (
-    case $(uname -s) in
-        Linux*)         echo linux;;
-        Darwin*)        echo macos;;
-        Windows_NT*)    echo win;;
-        CYGWIN_NT*)     echo win;;
-        *)          >&2 echo "unsupported os"; exit 1;
-    esac
+APP=geckodriver
+VERSION=${VERSION:-0.33.0}
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+
+main() (
+	URL=https://github.com/mozilla/geckodriver/releases/download/v${VERSION}/geckodriver-v${VERSION}-$(get_os)$(get_arch).tar.gz
+
+	extract_tarball "${URL}" "${DEST}/${VERSION}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" ${APP}
 )
 
-get_arch () (
-    case $(uname -m) in
-        x86_64*)    echo 64;;
-        amd64*)     echo 64;;
-        i386*)      echo 32;;
-        i686*)      echo 32;;
-        aarch64*)   echo aarch64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
+get_os() (
+	case $(uname -s) in
+	Linux*) echo linux ;;
+	Darwin*) echo macos ;;
+	Windows_NT*) echo win ;;
+	CYGWIN_NT*) echo win ;;
+	*)
+		echo >&2 "unsupported os"
+		exit 1
+		;;
+	esac
 )
 
-APP=geckodriver
-VERSION=${VERSION:-0.31.0}
-DEST=${XDG_DATA_HOME}/apps/releases/${APP}
-URL=https://github.com/mozilla/geckodriver/releases/download/v${VERSION}/geckodriver-v${VERSION}-$(get_os)$(get_arch).tar.gz
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo 64 ;;
+	amd64*) echo 64 ;;
+	i386*) echo 32 ;;
+	i686*) echo 32 ;;
+	aarch64*) echo aarch64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
 
-extract_tarball  "${URL}"  "${DEST}/${VERSION}"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" ${APP}
+main "${@}"
diff --git a/install-scripts/.local/bin/install-gitea-home b/install-scripts/.local/bin/install-gitea-home
index b89e676..e5828ff 100755
--- a/install-scripts/.local/bin/install-gitea-home
+++ b/install-scripts/.local/bin/install-gitea-home
@@ -1,36 +1,46 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-function get_os () {
-    case $(uname -s) in
-        Linux*)                 echo linux;;
-        Darwin*)                echo darwin-10.12;;
-        *) >&2 echo "unsupported os: $(uname -s)"; exit 1;;
-    esac
-}
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=gitea
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
 CURRENT=${DEST}/current
 VERSION=${VERSION:-1.19.0}
-URL=https://dl.gitea.io/gitea/${VERSION}/gitea-${VERSION}-$(get_os)-$(get_arch).xz
-
-if [ ! -d "${DEST}/${VERSION}" ]; then
-    tmp_dir="$(mktemp -d)"
-    file=${tmp_dir}/gitea
-    curl --silent --retry 5 --location --output "${file}.xz" "${URL}"
-    xz --decompress "${file}.xz"
-    chmod 755 "${file}"
-    mkdir -p "${DEST}/${VERSION}"
-    mv "${file}" "${DEST}/${VERSION}/${APP}"
-
-    rm -rf "${tmp_dir}"
-fi
-set_current_link "${DEST}" "${VERSION}"
-
-unlink_if_set "${XDG_BIN_HOME}/${APP}"
-cd "${XDG_BIN_HOME}" || exit 1
-ln -s "$(relative_path "${XDG_BIN_HOME}" "${CURRENT}/${APP}")" "${APP}"
-cd - &> /dev/null || exit 1
+
+main() (
+	URL=https://dl.gitea.io/gitea/${VERSION}/gitea-${VERSION}-$(get_os)-$(get_arch).xz
+
+	if [ ! -d "${DEST}/${VERSION}" ]; then
+		tmp_dir="$(mktemp -d)"
+		file=${tmp_dir}/gitea
+		curl --silent --retry 5 --location --output "${file}.xz" "${URL}"
+		xz --decompress "${file}.xz"
+		chmod 755 "${file}"
+		mkdir -p "${DEST}/${VERSION}"
+		mv "${file}" "${DEST}/${VERSION}/${APP}"
+
+		rm -rf "${tmp_dir}"
+	fi
+	set_current_link "${DEST}" "${VERSION}"
+
+	unlink_if_set "${XDG_BIN_HOME}/${APP}"
+	cd "${XDG_BIN_HOME}" || exit 1
+	ln -s "$(relative_path "${XDG_BIN_HOME}" "${CURRENT}/${APP}")" "${APP}"
+	cd - &>/dev/null || exit 1
+)
+
+get_os() (
+	case $(uname -s) in
+	Linux*) echo linux ;;
+	Darwin*) echo darwin-10.12 ;;
+	*)
+		echo >&2 "unsupported os: $(uname -s)"
+		exit 1
+		;;
+	esac
+)
+
+main "${@}"
diff --git a/install-scripts/.local/bin/install-gitea-system b/install-scripts/.local/bin/install-gitea-system
index 6b83462..7622ec6 100755
--- a/install-scripts/.local/bin/install-gitea-system
+++ b/install-scripts/.local/bin/install-gitea-system
@@ -1,38 +1,48 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-function get_os () {
-    case $(uname -s) in
-        Linux*)                 echo linux;;
-        Darwin*)                echo darwin-10.12;;
-        *) >&2 echo "unsupported os: $(uname -s)"; exit 1;;
-    esac
-}
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=gitea
 DEST=/usr/local/apps/${APP}
 CURRENT=${DEST}/current
 VERSION=${VERSION:-1.19.0}
-URL=https://dl.gitea.io/gitea/${VERSION}/gitea-${VERSION}-$(get_os)-$(get_arch).xz
 BIN_DIR=/usr/local/bin
 
-if [ ! -d "${DEST}/${VERSION}" ]; then
-    tmp_dir="$(mktemp -d)"
-    file=${tmp_dir}/gitea
-    curl --silent  --retry 10 --location --output "${file}.xz" "${URL}"
-    xz --decompress "${file}.xz"
-    chmod 755 "${file}"
-    sudo chown root:root "${file}"
-    sudo mkdir -p "${DEST}/${VERSION}"
-    sudo mv "${file}" "${DEST}/${VERSION}/${APP}"
-
-    rm -rf "${tmp_dir}"
-fi
-set_current_link "${DEST}" "${VERSION}" "sudo"
-
-unlink_if_set "${BIN_DIR}/${APP}" "sudo"
-cd "${BIN_DIR}" || exit 1
-sudo ln -s "$(relative_path "${BIN_DIR}" "${CURRENT}/${APP}")" "${APP}"
-cd - &> /dev/null || exit 1
+main() (
+	URL=https://dl.gitea.io/gitea/${VERSION}/gitea-${VERSION}-$(get_os)-$(get_arch).xz
+
+	if [ ! -d "${DEST}/${VERSION}" ]; then
+		tmp_dir="$(mktemp -d)"
+		file=${tmp_dir}/gitea
+		curl --silent --retry 10 --location --output "${file}.xz" "${URL}"
+		xz --decompress "${file}.xz"
+		chmod 755 "${file}"
+		sudo chown root:root "${file}"
+		sudo mkdir -p "${DEST}/${VERSION}"
+		sudo mv "${file}" "${DEST}/${VERSION}/${APP}"
+
+		rm -rf "${tmp_dir}"
+	fi
+	set_current_link "${DEST}" "${VERSION}" "sudo"
+
+	unlink_if_set "${BIN_DIR}/${APP}" "sudo"
+	cd "${BIN_DIR}" || exit 1
+	sudo ln -s "$(relative_path "${BIN_DIR}" "${CURRENT}/${APP}")" "${APP}"
+	cd - &>/dev/null || exit 1
+)
+
+get_os() (
+	case $(uname -s) in
+	Linux*) echo linux ;;
+	Darwin*) echo darwin-10.12 ;;
+	*)
+		echo >&2 "unsupported os: $(uname -s)"
+		exit 1
+		;;
+	esac
+)
+
+main "${@}"
diff --git a/install-scripts/.local/bin/install-gotemplate b/install-scripts/.local/bin/install-gotemplate
index 9989dea..61a8f58 100755
--- a/install-scripts/.local/bin/install-gotemplate
+++ b/install-scripts/.local/bin/install-gotemplate
@@ -1,20 +1,31 @@
 #!/usr/bin/env bash
 
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-function get_os () {
-    case $(uname -s) in
-        Linux*)     echo linux;;
-        Darwin*)    echo macOS;;
-        *)          >&2 echo "unsupported os: $(uname -s)"; exit 1;;
-    esac
-}
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=gotemplate
-VERSION=${VERSION:-3.7.0}
+VERSION=${VERSION:-3.7.2}
 DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
-URL=https://github.com/coveooss/gotemplate/releases/download/v${VERSION}/gotemplate_${VERSION}_$(get_os)_64-bits.zip
 
-extract_zip "${URL}" "${DEST}/${VERSION}"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+main() (
+	URL=https://github.com/coveooss/gotemplate/releases/download/v${VERSION}/gotemplate_${VERSION}_$(get_os)_64-bits.zip
+
+	extract_zip "${URL}" "${DEST}/${VERSION}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_os() (
+	case $(uname -s) in
+	Linux*) echo linux ;;
+	Darwin*) echo macOS ;;
+	*)
+		echo >&2 "unsupported os: $(uname -s)"
+		exit 1
+		;;
+	esac
+)
+
+main "${@}"
diff --git a/install-scripts/.local/bin/install-hugo-home b/install-scripts/.local/bin/install-hugo-home
index 3b5a9f3..5c3fb46 100755
--- a/install-scripts/.local/bin/install-hugo-home
+++ b/install-scripts/.local/bin/install-hugo-home
@@ -1,20 +1,30 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-get_arch () {
-    case $(uname -m) in
-        x86_64*)    echo 64bit;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-}
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=hugo
-VERSION=${VERSION:-0.88.1}
+VERSION=${VERSION:-0.111.3}
 DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
-URL=https://github.com/gohugoio/hugo/releases/download/v${VERSION}/hugo_extended_${VERSION}_$(uname)-$(get_arch).tar.gz
 
-extract_tarball "${URL}" "${DEST}/${VERSION}"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+main() (
+	URL=https://github.com/gohugoio/hugo/releases/download/v${VERSION}/hugo_extended_${VERSION}_$(uname)-$(get_arch).tar.gz
+
+	extract_tarball "${URL}" "${DEST}/${VERSION}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo 64bit ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
+
+main "${@}"
diff --git a/install-scripts/.local/bin/install-kubectl b/install-scripts/.local/bin/install-kubectl
index fb30d52..88b2c70 100755
--- a/install-scripts/.local/bin/install-kubectl
+++ b/install-scripts/.local/bin/install-kubectl
@@ -1,30 +1,37 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
-
-set -e
+set -euo pipefail
 
-get_arch () {
-    case $(uname -m) in
-        x86_64*)    echo amd64;;
-        arm64*)     echo arm64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-}
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=kubectl
 # https://dl.k8s.io/release/stable.txt
 VERSION=${VERSION:-1.26.1}
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
-URL=https://dl.k8s.io/release/v${VERSION}/bin/$(get_os)/$(get_arch)/kubectl
-
 APP_PATH=${DEST}/${VERSION}/kubectl
-if [[ ! -f "${APP_PATH}" ]]; then
-    mkdir -p "${DEST}/${VERSION}"
-    curl --silent --location --output "${APP_PATH}" "${URL}"
-    chmod +x "${APP_PATH}"
-fi
 
-set_current_link "${DEST}" "${VERSION}"
-set_link  "${XDG_BIN_HOME}/${APP}"                            "${DEST}"  "${APP}"
+main() (
+	URL=https://dl.k8s.io/release/v${VERSION}/bin/$(get_os)/$(get_arch)/kubectl
+	if [[ ! -f ${APP_PATH} ]]; then
+		mkdir -p "${DEST}/${VERSION}"
+		curl --silent --location --output "${APP_PATH}" "${URL}"
+		chmod +x "${APP_PATH}"
+	fi
+
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo amd64 ;;
+	arm64*) echo arm64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
+
+main "${@}"
diff --git a/install-scripts/.local/bin/install-lego-home b/install-scripts/.local/bin/install-lego-home
index b7c5d90..db5767c 100755
--- a/install-scripts/.local/bin/install-lego-home
+++ b/install-scripts/.local/bin/install-lego-home
@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 
-set -e
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=lego
-VERSION=${VERSION:-v4.10.2}
+VERSION=${VERSION:-v4.11.0}
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
 URL=https://github.com/go-acme/lego/releases/download/${VERSION}/lego_${VERSION}_$(get_os)_$(get_arch).tar.gz
 
diff --git a/install-scripts/.local/bin/install-lego-system b/install-scripts/.local/bin/install-lego-system
index 3a17d4b..5974a17 100755
--- a/install-scripts/.local/bin/install-lego-system
+++ b/install-scripts/.local/bin/install-lego-system
@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 
-set -e
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=lego
-VERSION=${VERSION:-v4.10.2}
+VERSION=${VERSION:-v4.11.0}
 APPS_DIR=/usr/local/apps/${APP}
 URL=https://github.com/go-acme/lego/releases/download/${VERSION}/lego_${VERSION}_$(get_os)_$(get_arch).tar.gz
 
@@ -16,9 +16,9 @@ set_current_link "${APPS_DIR}" "${VERSION}" sudo
 apps=$(find ${APPS_DIR}/current/ -maxdepth 1 -executable -type f -exec basename {} \;)
 cd /usr/local/bin
 for bin in $apps; do
-    if [[ ! -s $bin ]]; then
-        sudo ln --symbolic \
-            "$(relative_path "/usr/local/bin" "${APPS_DIR}/current/${bin}")" \
-            "${bin}"
-    fi
+	if [[ ! -s $bin ]]; then
+		sudo ln --symbolic \
+			"$(relative_path "/usr/local/bin" "${APPS_DIR}/current/${bin}")" \
+			"${bin}"
+	fi
 done
diff --git a/install-scripts/.local/bin/install-minikube-home b/install-scripts/.local/bin/install-minikube-home
index a2cb4fe..c2d2f4f 100755
--- a/install-scripts/.local/bin/install-minikube-home
+++ b/install-scripts/.local/bin/install-minikube-home
@@ -1,16 +1,16 @@
 #!/usr/bin/env bash
 
-set -e
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=minikube
-VERSION=${VERSION:-1.25.2}
+VERSION=${VERSION:-1.30.1}
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
 URL=https://github.com/kubernetes/minikube/releases/download/v${VERSION}/minikube-$(get_os)-$(get_arch).tar.gz
 
 extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-components 1"
 set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" minikube-$(get_os)-$(get_arch)
+set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "minikube-$(get_os)-$(get_arch)"
 set_link "${XDG_BIN_HOME}/docker-machine-driver-kvm2" "${DEST}" docker-machine-driver-kvm2
diff --git a/install-scripts/.local/bin/install-minikube-system b/install-scripts/.local/bin/install-minikube-system
index b256d8f..28a3b9c 100755
--- a/install-scripts/.local/bin/install-minikube-system
+++ b/install-scripts/.local/bin/install-minikube-system
@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 
-set -e
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=minikube
-VERSION=${VERSION:-v1.25.2}
+VERSION=${VERSION:-1.30.1}
 APPS_DIR=/usr/local/apps/${APP}
 URL=https://github.com/kubernetes/minikube/releases/download/${VERSION}/minikube-$(get_os)-$(get_arch).tar.gz
 
@@ -16,13 +16,13 @@ set_current_link "${APPS_DIR}" "${VERSION}" sudo
 
 cd /usr/local/bin
 if [[ ! -L minikube ]]; then
-    sudo ln --symbolic \
-        "$(relative_path "/usr/local/bin" "${APPS_DIR}/current/minikube-linux-amd64")" \
-        minikube
+	sudo ln --symbolic \
+		"$(relative_path "/usr/local/bin" "${APPS_DIR}/current/minikube-linux-amd64")" \
+		minikube
 fi
 
 if [[ ! -L docker-machine-driver-kvm2 ]]; then
-    sudo ln --symbolic \
-        "$(relative_path "/usr/local/bin" "${APPS_DIR}/current/docker-machine-driver-kvm2")" \
-        docker-machine-driver-kvm2
+	sudo ln --symbolic \
+		"$(relative_path "/usr/local/bin" "${APPS_DIR}/current/docker-machine-driver-kvm2")" \
+		docker-machine-driver-kvm2
 fi
diff --git a/install-scripts/.local/bin/install-node-exporter-system b/install-scripts/.local/bin/install-node-exporter-system
index 271575a..f382ce3 100755
--- a/install-scripts/.local/bin/install-node-exporter-system
+++ b/install-scripts/.local/bin/install-node-exporter-system
@@ -1,13 +1,12 @@
 #!/usr/bin/env bash
 
-set -e
-set -x
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=node_exporter
-VERSION=${VERSION:-1.1.2}
+VERSION=${VERSION:-1.5.0}
 APPS_DIR=/usr/local/apps/${APP}
 URL=https://github.com/prometheus/node_exporter/releases/download/v${VERSION}/node_exporter-${VERSION}.$(get_os)-$(get_arch).tar.gz
 
@@ -17,9 +16,9 @@ set_current_link "${APPS_DIR}" "${VERSION}" sudo
 apps=$(find ${APPS_DIR}/current/ -maxdepth 1 -executable -type f -exec basename {} \;)
 cd /usr/local/bin
 for bin in $apps; do
-    if [[ ! -s $bin ]]; then
-        sudo ln --symbolic \
-            "$(relative_path "/usr/local/bin" "${APPS_DIR}/current/${bin}")" \
-            "${bin}"
-    fi
+	if [[ ! -s $bin ]]; then
+		sudo ln --symbolic \
+			"$(relative_path "/usr/local/bin" "${APPS_DIR}/current/${bin}")" \
+			"${bin}"
+	fi
 done
diff --git a/install-scripts/.local/bin/install-procs b/install-scripts/.local/bin/install-procs
index 2e13ae7..a748ecc 100755
--- a/install-scripts/.local/bin/install-procs
+++ b/install-scripts/.local/bin/install-procs
@@ -1,20 +1,32 @@
 #!/usr/bin/env bash
 
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-function get_os () (
-    case $(uname -s) in
-        Linux*)     echo lnx;;
-        Darwin*)    echo mac;;
-        *)          >&2 echo "unsupported os: $(uname -s)"; exit 1;;
-    esac
-)
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=procs
-VERSION=${VERSION:-0.12.0}
+VERSION=${VERSION:-0.14.0}
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
-URL=https://github.com/dalance/procs/releases/download/v${VERSION}/procs-v${VERSION}-$(uname -m)-$(get_os).zip
 
-extract_zip "${URL}" "${DEST}/${VERSION}"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+main() (
+	set -x
+	URL=https://github.com/dalance/procs/releases/download/v${VERSION}/procs-v${VERSION}-$(uname -m)-$(get_os).zip
+
+	extract_zip "${URL}" "${DEST}/${VERSION}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_os() (
+	case $(uname -s) in
+	Linux*) echo linux ;;
+	Darwin*) echo mac ;;
+	*)
+		echo >&2 "unsupported os: $(uname -s)"
+		exit 1
+		;;
+	esac
+)
+
+main "${@}"
diff --git a/install-scripts/.local/bin/install-prometheus-system b/install-scripts/.local/bin/install-prometheus-system
index 6527981..c043507 100755
--- a/install-scripts/.local/bin/install-prometheus-system
+++ b/install-scripts/.local/bin/install-prometheus-system
@@ -1,13 +1,12 @@
 #!/usr/bin/env bash
 
-set -e
-set -x
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=prometheus
-VERSION=${VERSION:-2.26.0}
+VERSION=${VERSION:-2.44.0}
 APPS_DIR=/usr/local/apps/${APP}
 URL=https://github.com/prometheus/prometheus/releases/download/v${VERSION}/prometheus-${VERSION}.$(get_os)-$(get_arch).tar.gz
 
@@ -17,9 +16,9 @@ set_current_link "${APPS_DIR}" "${VERSION}" sudo
 apps=$(find ${APPS_DIR}/current/ -maxdepth 1 -executable -type f -exec basename {} \;)
 cd /usr/local/bin
 for bin in $apps; do
-    if [[ ! -s $bin ]]; then
-        sudo ln --symbolic \
-            "$(relative_path "/usr/local/bin" "${APPS_DIR}/current/${bin}")" \
-            "${bin}"
-    fi
+	if [[ ! -s $bin ]]; then
+		sudo ln --symbolic \
+			"$(relative_path "/usr/local/bin" "${APPS_DIR}/current/${bin}")" \
+			"${bin}"
+	fi
 done
diff --git a/install-scripts/.local/bin/install-protoc-home b/install-scripts/.local/bin/install-protoc-home
index 968de8a..874a43c 100755
--- a/install-scripts/.local/bin/install-protoc-home
+++ b/install-scripts/.local/bin/install-protoc-home
@@ -1,59 +1,66 @@
 #!/usr/bin/env bash
 
-set -e
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
-get_os () (
-    case $(uname -s) in
-        Linux*)         echo linux;;
-        Darwin*)        echo osx;;
-        *)          >&2 echo "unsupported os"; return;
-    esac
+VERSION=${VERSION:-23.1}
+APP=protoc
+APPS_DIR=${XDG_DATA_HOME}/apps/releases/${APP}
+VER_DIR=${APPS_DIR}/${VERSION}
+
+main() (
+	ZIP=protoc-${VERSION}-$(get_os)-$(get_arch).zip
+	TMP_DIR=$(mktemp -d)
+	DEST_FILE=$TMP_DIR/$ZIP
+	URL=https://github.com/protocolbuffers/protobuf/releases/download/v${VERSION}/${ZIP}
+
+	if [[ ! -d ${VER_DIR} ]]; then
+		curl --output "${DEST_FILE}" --location "${URL}"
+		mkdir -p "${VER_DIR}"
+		unzip -o "${DEST_FILE}" -d "${VER_DIR}"
+		find "${VER_DIR}" -type f -exec chmod 644 {} \;
+		find "${VER_DIR}" -type d -exec chmod 755 {} \;
+		find "${VER_DIR}/bin" -type f -exec chmod 755 {} \;
+	fi
+	rm -rfv "$TMP_DIR"
+
+	set_current_link "${APPS_DIR}" "${VERSION}"
+
+	apps=$(find "${APPS_DIR}/current/bin" -maxdepth 1 -type f -exec basename {} \;)
+	pushd "${XDG_BIN_HOME}"
+	for bin in $apps; do
+		if [[ ! -s $bin ]]; then
+			ln -s \
+				"$(relative_path "${XDG_BIN_HOME}" "${APPS_DIR}/current/bin/${bin}")" \
+				"${bin}"
+		fi
+	done
+	popd
+
+	pushd "${XDG_INCLUDE_HOME}"
+	if [[ ! -s google ]]; then
+		ln -s \
+			"$(relative_path "${XDG_INCLUDE_HOME}" "${APPS_DIR}/current/include/google")" \
+			google
+	fi
+	popd
 )
 
-get_arch () (
-    uname -m
+get_os() (
+	case $(uname -s) in
+	Linux*) echo linux ;;
+	Darwin*) echo osx ;;
+	*)
+		echo >&2 "unsupported os"
+		return
+		;;
+	esac
 )
 
-VERSION=${VERSION:-22.3}
-APP=protoc
-APPS_DIR=${XDG_DATA_HOME}/apps/releases/${APP}
-VER_DIR=${APPS_DIR}/${VERSION}
+get_arch() (
+	uname -m
+)
 
-ZIP=protoc-${VERSION}-$(get_os)-$(get_arch).zip
-TMP_DIR=$(mktemp -d)
-DEST_FILE=$TMP_DIR/$ZIP
-URL=https://github.com/protocolbuffers/protobuf/releases/download/v${VERSION}/${ZIP}
-
-if [[ ! -d "${VER_DIR}" ]]; then
-    curl --output "${DEST_FILE}" --location "${URL}"
-    mkdir -p "${VER_DIR}"
-    unzip -o "${DEST_FILE}" -d "${VER_DIR}"
-    find "${VER_DIR}" -type f -exec chmod 644 {} \;
-    find "${VER_DIR}" -type d -exec chmod 755 {} \;
-    find "${VER_DIR}/bin" -type f -exec chmod 755 {} \;
-fi
-rm -rfv "$TMP_DIR"
-
-set_current_link "${APPS_DIR}" "${VERSION}"
-
-apps=$(find "${APPS_DIR}/current/bin" -maxdepth 1 -type f -exec basename {} \;)
-pushd "${XDG_BIN_HOME}"
-for bin in $apps; do
-    if [[ ! -s $bin ]]; then
-        ln -s \
-            "$(relative_path "${XDG_BIN_HOME}" "${APPS_DIR}/current/bin/${bin}")" \
-            "${bin}"
-    fi
-done
-popd
-
-pushd "${XDG_INCLUDE_HOME}"
-if [[ ! -s google ]]; then
-    ln -s \
-        "$(relative_path "${XDG_INCLUDE_HOME}" "${APPS_DIR}/current/include/google")" \
-        google
-fi
-popd
+main "${@}"
diff --git a/install-scripts/.local/bin/install-protoc-system b/install-scripts/.local/bin/install-protoc-system
index 1714893..33a88a7 100755
--- a/install-scripts/.local/bin/install-protoc-system
+++ b/install-scripts/.local/bin/install-protoc-system
@@ -1,12 +1,11 @@
 #!/usr/bin/env bash
 
-set -x
-set -e
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
-PROTOC_VERSION=${VERSION:-20.3}
+PROTOC_VERSION=${VERSION:-23.1}
 PROTOC_ZIP=protoc-$PROTOC_VERSION-linux-x86_64.zip
 TMP_DIR=$(mktemp --directory)
 DEST_FILE=$TMP_DIR/$PROTOC_ZIP
@@ -19,3 +18,5 @@ sudo unzip -o "$DEST_FILE" -d /usr/local 'include/*'
 sudo find /usr/local/include/google -type f -exec chmod 644 {} \;
 sudo find /usr/local/include/google -type d -exec chmod 755 {} \;
 rm -rfv "$TMP_DIR"
+
+main "${@}"
diff --git a/install-scripts/.local/bin/install-pulumi b/install-scripts/.local/bin/install-pulumi
index 3e14539..417d091 100755
--- a/install-scripts/.local/bin/install-pulumi
+++ b/install-scripts/.local/bin/install-pulumi
@@ -2,33 +2,45 @@
 
 set -euo pipefail
 
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
-function get_os () (
-    case $(uname -s) in
-        Linux*)     echo linux;;
-        Darwin*)    echo darwin;;
-        *)          >&2 echo "unsupported os: $(uname -s)"; exit 1;;
-    esac
-)
-
-function get_arch () (
-    case $(uname -m) in
-        x86_64)  echo x64;;
-        arm64)   echo arm64;;
-        aarch64) echo arm64;;
-        *)   >&2 echo "unsupported arch: $(uname -m)"; exit 1;;
-    esac
-)
-
 APP=pulumi
 VERSION=${VERSION:-3.53.1}
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
-URL=https://get.pulumi.com/releases/sdk/pulumi-v${VERSION}-$(get_os)-$(get_arch).tar.gz
 
-extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-components 1"
-set_current_link "${DEST}" "${VERSION}"
+main() (
+	URL=https://get.pulumi.com/releases/sdk/pulumi-v${VERSION}-$(get_os)-$(get_arch).tar.gz
+
+	extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-components 1"
+	set_current_link "${DEST}" "${VERSION}"
+
+	for PULUMI_APP in $(find "${DEST}/${VERSION}" -type f -exec basename "{}" \; | sort); do
+		set_link "${XDG_BIN_HOME}/${PULUMI_APP}" "${DEST}" "${PULUMI_APP}"
+	done
+)
+
+get_os() (
+	case $(uname -s) in
+	Linux*) echo linux ;;
+	Darwin*) echo darwin ;;
+	*)
+		echo >&2 "unsupported os: $(uname -s)"
+		exit 1
+		;;
+	esac
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64) echo x64 ;;
+	arm64) echo arm64 ;;
+	aarch64) echo arm64 ;;
+	*)
+		echo >&2 "unsupported arch: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
 
-for PULUMI_APP in $(find "${DEST}/${VERSION}" -type f -exec basename "{}" \; | sort); do
-    set_link "${XDG_BIN_HOME}/${PULUMI_APP}" "${DEST}" "${PULUMI_APP}"
-done
+main "${@}"
diff --git a/install-scripts/.local/bin/install-shellcheck-home b/install-scripts/.local/bin/install-shellcheck-home
index 1b4aeed..198b95c 100755
--- a/install-scripts/.local/bin/install-shellcheck-home
+++ b/install-scripts/.local/bin/install-shellcheck-home
@@ -1,10 +1,12 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
+set -euo pipefail
+
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=shellcheck
-VERSION=${VERSION:-0.7.2}
+VERSION=${VERSION:-0.9.0}
 DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
 URL=https://github.com/koalaman/shellcheck/releases/download/v${VERSION}/shellcheck-v${VERSION}.$(get_os).$(uname -m).tar.xz
 
diff --git a/install-scripts/.local/bin/install-shfmt b/install-scripts/.local/bin/install-shfmt
index 1aa98e7..06a982f 100755
--- a/install-scripts/.local/bin/install-shfmt
+++ b/install-scripts/.local/bin/install-shfmt
@@ -1,22 +1,32 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-get_arch () {
-    case $(uname -m) in
-        x86_64*)    echo amd64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-}
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=shfmt
-VERSION=${VERSION:-3.3.1}
-DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
-URL=https://github.com/mvdan/sh/releases/download/v${VERSION}/shfmt_v${VERSION}_$(get_os)_$(get_arch)
+VERSION=${VERSION:-3.6.0}
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+
+main() (
+	URL=https://github.com/mvdan/sh/releases/download/v${VERSION}/shfmt_v${VERSION}_$(get_os)_$(get_arch)
+
+	mkdir_if_missing "${DEST}/${VERSION}"
+	curl --silent --location --output "${DEST}/${VERSION}/${APP}" "${URL}"
+	chmod 755 "${DEST}/${VERSION}/${APP}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo amd64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
 
-mkdir_if_missing "${DEST}/${VERSION}"
-curl --silent --location --output "${DEST}/${VERSION}/${APP}" "${URL}"
-chmod 755 "${DEST}/${VERSION}/${APP}"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+main "${@}"
diff --git a/install-scripts/.local/bin/install-sqlc b/install-scripts/.local/bin/install-sqlc
index fe0b351..4a99e7b 100755
--- a/install-scripts/.local/bin/install-sqlc
+++ b/install-scripts/.local/bin/install-sqlc
@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 
-set -ueo pipefail
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=sqlc
diff --git a/install-scripts/.local/bin/install-tile38 b/install-scripts/.local/bin/install-tile38
index 5d17975..762f5f7 100755
--- a/install-scripts/.local/bin/install-tile38
+++ b/install-scripts/.local/bin/install-tile38
@@ -1,12 +1,28 @@
 #!/usr/bin/env bash
 
+set -euo pipefail
+
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=tile38
-VERSION=${VERSION:-1.30.2}
+VERSION=${VERSION:-1.31.0}
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
 
-install_zip () (
+main() (
+	case $(get_os) in
+	darwin) install_zip ;;
+	freebsd) install_zip ;;
+	windows) install_zip ;;
+	linux) install_targz ;;
+	*)
+		echo >&2 "unsupported os $(uname -s)"
+		exit 1
+		;;
+	esac
+)
+
+install_zip() (
 	URL=https://github.com/tidwall/tile38/releases/download/${VERSION}/tile38-${VERSION}-$(get_os)-$(get_arch).zip
 	extract_zip "${URL}" "${DEST}/${VERSION}"
 	set_current_link "${DEST}" "${VERSION}"
@@ -14,25 +30,19 @@ install_zip () (
 	pushd "${DEST_DIR}" || exit 1
 	mv -v ./* ../
 	popd || exit 1
-	rmdir  "${DEST_DIR}"
+	rmdir "${DEST_DIR}"
 	set_link "${XDG_BIN_HOME}/tile38-benchmark" "${DEST}" tile38-benchmark
-	set_link "${XDG_BIN_HOME}/tile38-cli"       "${DEST}" tile38-cli
-	set_link "${XDG_BIN_HOME}/tile38-server"    "${DEST}" tile38-server
+	set_link "${XDG_BIN_HOME}/tile38-cli" "${DEST}" tile38-cli
+	set_link "${XDG_BIN_HOME}/tile38-server" "${DEST}" tile38-server
 )
 
-install_targz () (
+install_targz() (
 	URL=https://github.com/tidwall/tile38/releases/download/${VERSION}/tile38-${VERSION}-$(get_os)-$(get_arch).tar.gz
 	extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-component 1"
 	set_current_link "${DEST}" "${VERSION}"
 	set_link "${XDG_BIN_HOME}/tile38-benchmark" "${DEST}" tile38-benchmark
-	set_link "${XDG_BIN_HOME}/tile38-cli"       "${DEST}" tile38-cli
-	set_link "${XDG_BIN_HOME}/tile38-server"    "${DEST}" tile38-server
+	set_link "${XDG_BIN_HOME}/tile38-cli" "${DEST}" tile38-cli
+	set_link "${XDG_BIN_HOME}/tile38-server" "${DEST}" tile38-server
 )
 
-case $(get_os) in
-	darwin) install_zip;;
-	freebsd) install_zip;;
-	windows) install_zip;;
-	linux) install_targz;;
-	*) >&2 echo "unsupported os $(uname -s)"; exit 1;;
-esac
+main "${@}"
diff --git a/install-scripts/.local/bin/install-trubka b/install-scripts/.local/bin/install-trubka
index 343004e..6fee8bc 100755
--- a/install-scripts/.local/bin/install-trubka
+++ b/install-scripts/.local/bin/install-trubka
@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 
-set -e
+set -euo pipefail
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1091
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=trubka
diff --git a/install-scripts/.local/bin/install-ttyd b/install-scripts/.local/bin/install-ttyd
index 30e2a4c..47b2cf9 100755
--- a/install-scripts/.local/bin/install-ttyd
+++ b/install-scripts/.local/bin/install-ttyd
@@ -1,27 +1,37 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-get_arch () (
-    case $(uname -m) in
-        x86_64*)    echo i686;;
-        amd64*)     echo i686;;
-        i386*)      echo i686;;
-        i686*)      echo i686;;
-        arm)        echo arm;;
-        aarch64*)   echo aarch64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-)
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=ttyd
 VERSION=${VERSION:-1.7.2}
 DEST=${XDG_DATA_HOME}/apps/releases/${APP}
-URL=https://github.com/tsl0922/ttyd/releases/download/${VERSION}/ttyd.$(get_arch)
 
-mkdir_if_missing "${DEST}/${VERSION}"
-curl --silent --location --output "${DEST}/${VERSION}/${APP}" "${URL}"
-chmod 755 "${DEST}/${VERSION}/${APP}"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+main() (
+	URL=https://github.com/tsl0922/ttyd/releases/download/${VERSION}/ttyd.$(get_arch)
+
+	mkdir_if_missing "${DEST}/${VERSION}"
+	curl --silent --location --output "${DEST}/${VERSION}/${APP}" "${URL}"
+	chmod 755 "${DEST}/${VERSION}/${APP}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo i686 ;;
+	amd64*) echo i686 ;;
+	i386*) echo i686 ;;
+	i686*) echo i686 ;;
+	arm) echo arm ;;
+	aarch64*) echo aarch64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
+
+main "${@}"
diff --git a/install-scripts/.local/bin/install-vegeta-home b/install-scripts/.local/bin/install-vegeta-home
index 95d3537..98e4e36 100755
--- a/install-scripts/.local/bin/install-vegeta-home
+++ b/install-scripts/.local/bin/install-vegeta-home
@@ -1,20 +1,30 @@
 #!/usr/bin/env bash
 
-# shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+set -euo pipefail
 
-get_arch () {
-    case $(uname -m) in
-        x86_64*)    echo amd64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-}
+# shellcheck disable=SC1091
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=vegeta
 VERSION=${VERSION:-12.8.4}
-DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
-URL=https://github.com/tsenart/vegeta/releases/download/v${VERSION}/vegeta_${VERSION}_$(get_os)_$(get_arch).tar.gz
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
+
+main() (
+	URL=https://github.com/tsenart/vegeta/releases/download/v${VERSION}/vegeta_${VERSION}_$(get_os)_$(get_arch).tar.gz
+
+	extract_tarball "${URL}" "${DEST}/${VERSION}"
+	set_current_link "${DEST}" "${VERSION}"
+	set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+)
+
+get_arch() (
+	case $(uname -m) in
+	x86_64*) echo amd64 ;;
+	*)
+		echo >&2 "unsupported architecture: $(uname -m)"
+		exit 1
+		;;
+	esac
+)
 
-extract_tarball "${URL}" "${DEST}/${VERSION}"
-set_current_link "${DEST}" "${VERSION}"
-set_link "${XDG_BIN_HOME}/${APP}" "${DEST}" "${APP}"
+main "${@}"