upgrade_go.sh

upgrade_go.sh

# upgrade_go: updates all Go binaries in $GOPATH/bin
# Valid parameters:
# -v : verbose output (shows all packages)
# -vv: very verbose output (shows all packages and separates outdated vs current)
upgrade_go() {
	# https://go.dev/ref/mod#go-install
	# https://github.com/nao1215/gup
	# https://github.com/Gelio/go-global-update
	# https://github.com/shurcooL/binstale
	# https://github.com/kortschak/ugbt
	# https://github.com/golang/go/issues/71351
	# https://github.com/golang/go/issues/50261
	# https://github.com/golang/go/issues/45546
	# https://github.com/golang/go/issues/65687
	# https://github.com/mvdan/dotfiles/blob/master/.bin/go-insts

	local RED='\033[31m'
	local GREEN='\033[32m'
	local RESET='\033[0m'

    # -v argument
    local verbose=0
    local verboseverbose=0
    for arg in "$@"
	do
        [ "$arg" = "-v" ] && verbose=1
        [ "$arg" = "-vv" ] && verbose=1 && verboseverbose=1
    done

	local needs_upgrade_arr=()
	local outdated_arr=()
	local current_arr=()
    for pkg in "$GOPATH"/bin/*
	do
	    # install_path=$(go version -m "$pkg" 2>/dev/null | sed -nE 's/^[[:space:]]*path[[:space:]]+//p')
	    # mod_path=$(go version -m "$pkg" 2>/dev/null | awk '/^[[:space:]]*path[[:space:]]+/{print $2 "@latest"; exit}')
        read -r install_path mod_path installed_version <<< "$(
			go version -m "$pkg" 2>/dev/null | awk '
				/^[[:space:]]*path[[:space:]]+/ {install_path=$2 "@latest"}
				/^[[:space:]]*mod[[:space:]]+/ {mod_path=$2; installed_version=$3}
				END
				{print install_path, mod_path, installed_version}
			'
		)"

        [ -z "$mod_path" ] && [ -z "$installed_version" ] && continue
        current_version=$(go list -m -f "{{.Version}}" "$mod_path@latest" 2>/dev/null)
        [ -z "$current_version" ] && current_version="$installed_version"

		local COLOR="$GREEN"
        if \
			[ "$(printf '%s\n%s\n' "$installed_version" "$current_version" | sort -V | head -n1)" = "$installed_version" ] \
			&& [ "$installed_version" != "$current_version" ]
        then
			COLOR="$RED"
            needs_upgrade_arr+=("$install_path")
        fi

        local info_str
        info_str=$(printf "${COLOR}%s${RESET} -> %s (installed: %s, current: %s)\n" "$(basename "$pkg")" "$install_path" "$installed_version" "$current_version")
        if [ "$COLOR" = "$RED" ] || [ "$verbose" -eq 1 ]
		then
            if [ "$verboseverbose" -eq 1 ]
			then
				if [ "$COLOR" = "$RED" ]
				then
	                outdated_arr+=("$info_str")
				else
					current_arr+=("$info_str")
				fi
			fi

	        echo "$info_str"
		fi
    done

	if [ "${#needs_upgrade_arr[@]}" -gt 0 ]
	then
		if [ "$verboseverbose" -eq 1 ]
		then
			printf "\nCurrent:\n"
			for current in "${current_arr[@]}"
			do
				echo "$current"
			done

			printf "\nOutdated:\n"

			for outdated in "${outdated_arr[@]}"
			do
				echo "$outdated"
			done
		fi

	    for install_path in "${needs_upgrade_arr[@]}"
		do
			# go install "$install_path"
			true
	    done
	fi
}