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Fallback to GNU tar if BSD tar is unavailable

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This commit is contained in:
Aiqiao Yan 2020-04-09 10:29:33 -04:00
parent 70655ec832
commit 84e606dfac
4 changed files with 249 additions and 28 deletions
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48
src/tar.ts
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@ -1,14 +1,35 @@
import * as core from "@actions/core";
import { exec } from "@actions/exec";
import * as io from "@actions/io";
import { existsSync } from "fs";
import * as path from "path";
async function getTarPath(): Promise<string> {
export async function isGnuTar(): Promise<boolean> {
core.debug("Checking tar --version");
let versionOutput = "";
await exec("tar --version", [], {
ignoreReturnCode: true,
silent: true,
listeners: {
stdout: (data: Buffer): string =>
(versionOutput += data.toString()),
stderr: (data: Buffer): string => (versionOutput += data.toString())
}
});
core.debug(versionOutput.trim());
return versionOutput.toUpperCase().includes("GNU TAR");
}
async function getTarPath(args: string[]): Promise<string> {
// Explicitly use BSD Tar on Windows
const IS_WINDOWS = process.platform === "win32";
if (IS_WINDOWS) {
const systemTar = `${process.env["windir"]}\\System32\\tar.exe`;
if (existsSync(systemTar)) {
return systemTar;
} else if (isGnuTar()) {
args.push("--force-local");
}
}
return await io.which("tar", true);
@ -16,14 +37,8 @@ async function getTarPath(): Promise<string> {
async function execTar(args: string[]): Promise<void> {
try {
await exec(`"${await getTarPath()}"`, args);
await exec(`"${await getTarPath(args)}"`, args);
} catch (error) {
const IS_WINDOWS = process.platform === "win32";
if (IS_WINDOWS) {
throw new Error(
`Tar failed with error: ${error?.message}. Ensure BSD tar is installed and on the PATH.`
);
}
throw new Error(`Tar failed with error: ${error?.message}`);
}
}
@ -34,7 +49,13 @@ export async function extractTar(
): Promise<void> {
// Create directory to extract tar into
await io.mkdirP(targetDirectory);
const args = ["-xz", "-f", archivePath, "-C", targetDirectory];
const args = [
"-xz",
"-f",
archivePath?.replace(/\\/g, "/"),
"-C",
targetDirectory?.replace(/\\/g, "/")
];
await execTar(args);
}
@ -42,6 +63,13 @@ export async function createTar(
archivePath: string,
sourceDirectory: string
): Promise<void> {
const args = ["-cz", "-f", archivePath, "-C", sourceDirectory, "."];
const args = [
"-cz",
"-f",
archivePath?.replace(/\\/g, "/"),
"-C",
sourceDirectory?.replace(/\\/g, "/"),
"."
];
await execTar(args);
}