Added write-inlplace flag

pkg/yqlib/constants.go

@@ -1,5 +0,0 @@
-package yqlib
-
-import "gopkg.in/op/go-logging.v1"
-
-var log = logging.MustGetLogger("yq-lib")

pkg/yqlib/lib.go

@@ -9,6 +9,8 @@ import (
 	yaml "gopkg.in/yaml.v3"
 )
 
+var log = logging.MustGetLogger("yq-lib")
+
 type OperationType struct {
 	Type       string
 	NumArgs    uint // number of arguments to the op

pkg/yqlib/write_in_place_handler.go

@@ -41,15 +41,19 @@ func (w *writeInPlaceHandler) CreateTempFile() (*os.File, error) {
 	}
 
 	err = os.Chmod(file.Name(), info.Mode())
+	log.Debug("writing to tempfile: %v", file.Name())
 	w.tempFile = file
 	return file, err
 }
 
 func (w *writeInPlaceHandler) FinishWriteInPlace(evaluatedSuccessfully bool) {
+	log.Debug("Going to write-inplace, evaluatedSuccessfully=%v, target=%v", evaluatedSuccessfully, w.inputFilename)
 	safelyCloseFile(w.tempFile)
 	if evaluatedSuccessfully {
+		log.Debug("moved temp file to target")
 		safelyRenameFile(w.tempFile.Name(), w.inputFilename)
 	} else {
+		log.Debug("removed temp file")
 		os.Remove(w.tempFile.Name())
 	}
 }