Do not panic on permission denied

Replace panic with FATAL logging and graceful shutdown.

Fixes #837

diff --git a/helpers/path.go b/helpers/path.go
index 351b7a11a2948599bb1b6297a0b1c49f21d12cbb..3351e02651e881dacfa1a4406710ee2e35b1cd79 100644 (file)
--- a/helpers/path.go
+++ b/helpers/path.go
@@ -17,6 +17,7 @@ import (
        "errors"
        "fmt"
        "github.com/spf13/afero"
+       jww "github.com/spf13/jwalterweatherman"
        "github.com/spf13/viper"
        "io"
        "os"
@@ -391,7 +392,7 @@ func WriteToDisk(inpath string, r io.Reader, fs afero.Fs) (err error) {
                err = fs.MkdirAll(ospath, 0777) // rwx, rw, r
                if err != nil {
                        if err != os.ErrExist {
-                               panic(err)
+                               jww.FATAL.Fatalln(err)
                        }
                }
        }