fish function to run get the state paths in the plan output with a rainbow colour 🐬

tf_plan_rainbow.fish

function tf_plan_rainbow
    tofu plan | grep "# module" | awk '
    BEGIN {
        # bold: red, green, yellow, blue, magenta, cyan
        colors[0] = "\033[1;31m"; colors[1] = "\033[1;32m"; colors[2] = "\033[1;33m";
        colors[3] = "\033[1;34m"; colors[4] = "\033[1;35m"; colors[5] = "\033[1;36m";
        reset = "\033[0m";
    }
    {
        line = $0;

        # preserve leading "# " (and any indent) uncolored
        prefix = ""; rest = line;
        if (match(line, /^[[:space:]]*# /)) {
        prefix = substr(line, 1, RLENGTH);
        rest   = substr(line, RLENGTH + 1);
        }

        # split off the suffix starting at " will be " (leave it uncolored)
        path = rest; suffix = "";
        if (match(rest, / will be /)) {
        path   = substr(rest, 1, RSTART - 1);
        suffix = substr(rest, RSTART);
        }

        # colorize each dot-delimited segment
        n = split(path, segs, /\./);
        out = "";
        for (i = 1; i <= n; i++) {
        c = colors[(i - 1) % 6];
        if (i > 1) out = out ".";
        out = out c segs[i] reset;
        }

        print prefix out suffix;
    }'
end