Use Windows system tar (not the Git Bash tar) (#206)

* use windows tar, not git bash one

* correct manual patch

* rebuild

* Update src/installer.ts

Co-authored-by: Dilum Aluthge <dilum@aluthge.com>

* Update installer.js

* Include the direct URL of the issue (not just the issue number)

* npm run build

---------

Co-authored-by: Dilum Aluthge <dilum@aluthge.com>
Co-authored-by: Viral B. Shah <ViralBShah@users.noreply.github.com>

src/installer.ts

@@ -263,7 +263,9 @@ export async function installJulia(dest: string, versionInfo, version: string, a
                 }
             } else {
                 // This is the more common path. Using .tar.gz is much faster
-                await exec.exec('powershell', ['-Command', `tar xf ${juliaDownloadPath} --strip-components=1 -C ${dest}`])
+                // don't use the Git bash provided tar. Issue #205
+                // https://github.com/julia-actions/setup-julia/issues/205
+                await exec.exec('powershell', ['-Command', `& "$env:WINDIR/System32/tar" xf ${juliaDownloadPath} --strip-components=1 -C ${dest}`])
             }
             return dest
         case 'darwin':