Incorporate review feedback #176

Annotations

4 errors and 1 warning

SA5001: should check error returned from c.fs.OpenFile() before deferring data.Close() (staticcheck)

SA5001: should check error returned from c.fs.OpenFile() before deferring tarball.Close() (staticcheck)

SA5001: should check error returned from pgzip.NewReader() before deferring zr.Close() (staticcheck)

issues found

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2