Fixed #1062

pkg/yqlib/file_utils.go

@@ -1,30 +1,28 @@
 package yqlib
 
 import (
+	"fmt"
 	"io"
 	"io/ioutil"
 	"os"
 )
 
-func safelyRenameFile(from string, to string) {
+func tryRenameFile(from string, to string) {
 	if renameError := os.Rename(from, to); renameError != nil {
 		log.Debugf("Error renaming from %v to %v, attempting to copy contents", from, to)
 		log.Debug(renameError.Error())
+		log.Debug("going to try copying instead")
 		// can't do this rename when running in docker to a file targeted in a mounted volume,
 		// so gracefully degrade to copying the entire contents.
 		if copyError := copyFileContents(from, to); copyError != nil {
-			log.Errorf("Failed copying from %v to %v", from, to)
-			log.Error(copyError.Error())
+			panic(fmt.Errorf("failed copying from %v to %v: %w", from, to, copyError))
 		} else {
-			removeErr := os.Remove(from)
-			if removeErr != nil {
-				log.Errorf("failed removing original file: %s", from)
-			}
+			tryRemoveTempFile(from)
 		}
 	}
 }
 
-func tryRemoveFile(filename string) {
+func tryRemoveTempFile(filename string) {
 	log.Debug("Removing temp file: %v", filename)
 	removeErr := os.Remove(filename)
 	if removeErr != nil {

pkg/yqlib/front_matter.go

@@ -33,7 +33,7 @@ func (f *frontMatterHandlerImpl) GetContentReader() io.Reader {
 }
 
 func (f *frontMatterHandlerImpl) CleanUp() {
-	tryRemoveFile(f.yamlFrontMatterFilename)
+	tryRemoveTempFile(f.yamlFrontMatterFilename)
 }
 
 // Splits the given file by yaml front matter

pkg/yqlib/front_matter_test.go

@@ -66,7 +66,7 @@ yaml: doc
 	}
 	test.AssertResult(t, expectedContent, string(contentBytes))
 
-	tryRemoveFile(file)
+	tryRemoveTempFile(file)
 	fmHandler.CleanUp()
 }
 
@@ -103,7 +103,7 @@ yaml: doc
 	}
 	test.AssertResult(t, expectedContent, string(contentBytes))
 
-	tryRemoveFile(file)
+	tryRemoveTempFile(file)
 	fmHandler.CleanUp()
 }
 
@@ -137,6 +137,6 @@ yaml: doc
 	}
 	test.AssertResult(t, expectedContent, string(contentBytes))
 
-	tryRemoveFile(file)
+	tryRemoveTempFile(file)
 	fmHandler.CleanUp()
 }

pkg/yqlib/write_in_place_handler.go

@@ -44,8 +44,8 @@ func (w *writeInPlaceHandlerImpl) FinishWriteInPlace(evaluatedSuccessfully bool)
 	safelyCloseFile(w.tempFile)
 	if evaluatedSuccessfully {
 		log.Debug("Moving temp file to target")
-		safelyRenameFile(w.tempFile.Name(), w.inputFilename)
+		tryRenameFile(w.tempFile.Name(), w.inputFilename)
 	} else {
-		tryRemoveFile(w.tempFile.Name())
+		tryRemoveTempFile(w.tempFile.Name())
 	}
 }