fix: cp from pod was broken

Author: sachiniyer

src/cp.ts

@@ -26,7 +26,7 @@ export class Cp {
         tgtPath: string,
         cwd?: string,
     ): Promise<void> {
-        const command = ['tar', 'zcf', '-'];
+        const command = ['tar', 'cf', '-'];
         if (cwd) {
             command.push('-C', cwd);
         }

src/cp_test.ts

@@ -22,7 +22,7 @@ describe('Cp', () => {
             const container = 'container';
             const srcPath = '/';
             const tgtPath = '/';
-            const cmdArray = ['tar', 'zcf', '-', srcPath];
+            const cmdArray = ['tar', 'cf', '-', srcPath];
             const path = `/api/v1/namespaces/${namespace}/pods/${pod}/exec`;
 
             const query = {
@@ -51,7 +51,7 @@ describe('Cp', () => {
             const srcPath = '/';
             const tgtPath = '/';
             const cwd = '/abc';
-            const cmdArray = ['tar', 'zcf', '-', '-C', cwd, srcPath];
+            const cmdArray = ['tar', 'cf', '-', '-C', cwd, srcPath];
             const path = `/api/v1/namespaces/${namespace}/pods/${pod}/exec`;
 
             const query = {