feat(btop): Add 'btop'

Co-authored-by: AJ ONeal <aj@therootcompany.com>

btop/install.sh

@@ -0,0 +1,58 @@
+#!/bin/sh
+__init_btop() {
+	set -e
+	set -u
+
+	################
+	# Install btop #
+	################
+
+	# Every package should define these 6 variables
+	pkg_cmd_name="btop"
+
+	pkg_dst_cmd="$HOME/.local/bin/btop"
+	pkg_dst="$pkg_dst_cmd"
+
+	pkg_src_cmd="$HOME/.local/opt/btop-v$WEBI_VERSION/bin/btop"
+	pkg_src_dir="$HOME/.local/opt/btop-v$WEBI_VERSION"
+	pkg_src="$pkg_src_cmd"
+
+	# pkg_install must be defined by every package
+	pkg_install() {
+		# ~/.local/opt/btop-v1.4.6/bin
+		mkdir -p "$(dirname "${pkg_src_cmd}")"
+
+		# mv ./btop/bin/btop ~/.local/opt/btop-v1.4.6/bin/btop
+		mv ./btop/bin/btop "${pkg_src_cmd}"
+	}
+
+	# pkg_get_current_version is recommended, but not required
+	pkg_get_current_version() {
+		# 'btop --version' has output in this format:
+		#       btop 1.4.6 (rev abcdef0123)
+		# This trims it down to just the version number:
+		#       1.4.6
+		btop --version 2> /dev/null |
+			head -n 1 |
+			cut -d ' ' -f 2
+	}
+
+}
+
+fn_btop_brew_install() {
+	if ! command -v brew > /dev/null; then
+		"$HOME/.local/bin/webi" brew
+		export PATH="$HOME/.local/opt/brew/bin:$HOME/.local/opt/brew/sbin:$PATH"
+	fi
+
+	export HOMEBREW_NO_AUTO_UPDATE=1
+	export HOMEBREW_NO_ENV_HINTS=1
+	brew install btop
+}
+
+my_os=$(uname -s)
+if test "Darwin" = "${my_os}" && test "$WEBI_CHANNEL" = "error"; then
+	fn_btop_brew_install
+	return 0
+fi
+__init_btop

btop/releases.conf

@@ -0,0 +1,2 @@
+github_releases = aristocratos/btop
+exclude = -m68k -bigsur -monterey -ventura -macos

test/install.sh

@@ -11,6 +11,7 @@ __rmrf_local() {
                 archiver \
                 awless \
                 bat \
+                btop \
                 caddy \
                 chromedriver \
                 cmake \