mono-selector.ts

import * as fs from "fs";
import * as path from "path";
import * as core from "@actions/core";
import { XamarinSelector } from "./xamarin-selector";
import { VersionUtils } from "./version-utils";

export class MonoToolSelector extends XamarinSelector {
    protected get basePath(): string {
        return "/Library/Frameworks/Mono.framework";
    }

    public get toolName(): string {
        return "Mono";
    }

    public getAllVersions(): string[] {
        const versionsFolders = super.getAllVersions();

        // we have to look into '/Mono.Framework/Versions/<version_folder>/Version' file for Mono to determine full version with 4 digits
        return versionsFolders.map(version => {
            const versionFile = path.join(this.versionsDirectoryPath, version, "Version");
            const realVersion = fs.readFileSync(versionFile).toString();
            return realVersion.trim();
        });
    }

    public setVersion(version: string): void {
        // for Mono, version folder contains only 3 digits instead of full version
        version = VersionUtils.cutVersionLength(version, 3);

        super.setVersion(version);

        const versionDirectory = this.getVersionPath(version);
        core.exportVariable(
            "DYLD_LIBRARY_FALLBACK_PATH",
            [
                `${versionDirectory}/lib`,
                "/lib",
                "/usr/lib",
                process.env["DYLD_LIBRARY_FALLBACK_PATH"]
            ].join(path.delimiter)
        );
        core.exportVariable(
            "PKG_CONFIG_PATH",
            [
                `${versionDirectory}/lib/pkgconfig`,
                process.env["PKG_CONFIG_PATH"]
            ].join(path.delimiter)
        );

        core.debug(`Add '${versionDirectory}/bin' to PATH`);
        core.addPath(`${versionDirectory}/bin`);
    }
}