Correctly handle tar.exe on Windows to use System32 one if available

Author: cderv

src/core/zip.ts

@@ -40,8 +40,18 @@ export function unzip(file: string, dir?: string) {
     }
   } else {
     // use the tar command to untar this
+    // On Windows, prefer System32 tar to avoid Git Bash tar path issues
+    let tarCmd = "tar";
+    if (isWindows) {
+      const systemRoot = Deno.env.get("SystemRoot") || "C:\\Windows";
+      const system32Tar = `${systemRoot}\\System32\\tar.exe`;
+      if (existsSync(system32Tar)) {
+        tarCmd = system32Tar;
+      }
+      // Otherwise fall back to "tar" in PATH
+    }
     return execProcess(
-      { cmd: "tar", args: ["xfz", file], cwd: dir, stdout: "piped" },
+      { cmd: tarCmd, args: ["xfz", file], cwd: dir, stdout: "piped" },
     );
   }
 }