#!/usr/bin/env zx

$.verbose = false;

async function getGoVersion() {
    const goVersionProcess = await $`go version`;
    const re = /go version go(.*) /;
    return re.exec(goVersionProcess.stdout)[1];
}

try {

    let gitRoot = await $`git rev-parse --show-toplevel`;
    gitRoot = gitRoot.stdout.trim();
    const lintPath = `${gitRoot}/.github/workflows/golangci.yml`;
    const catOutput = await $`cat ${lintPath}`;
    const contents = catOutput.stdout;

    let re = /version:\sv(.*)/
    const targetVersion = re.exec(contents)[1]

    let currentVersion = await $`golangci-lint --version`;
    re = /golangci-lint has version (.*) built.*/;
    currentVersion = re.exec(currentVersion.stdout)[1];

    let goVersion = await getGoVersion()
    goVersion = goVersion.substring(0, 4); // strip off the patch version
    if (currentVersion !== targetVersion) {
        await $`curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b /Users/chatton/.gvm/pkgsets/go${goVersion}/global/bin v${targetVersion}`
        console.log("updated to golangci-lint version " + targetVersion);
    }

} catch (e) {
    await $`exit 0`;
}