diff options
Diffstat (limited to 'transform/chain.go')
| -rw-r--r-- | transform/chain.go | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/transform/chain.go b/transform/chain.go index 74217dc72..2d70b9356 100644 --- a/transform/chain.go +++ b/transform/chain.go @@ -16,8 +16,11 @@ package transform import ( "bytes" "io" + "io/ioutil" bp "github.com/gohugoio/hugo/bufferpool" + "github.com/gohugoio/hugo/common/herrors" + "github.com/gohugoio/hugo/hugofs" ) // Transformer is the func that needs to be implemented by a transformation step. @@ -103,7 +106,17 @@ func (c *Chain) Apply(to io.Writer, from io.Reader) error { } if err := tr(fb); err != nil { - return err + // Write output to a temp file so it can be read by the user for trouble shooting. + filename := "output.html" + tempfile, ferr := ioutil.TempFile("", "hugo-transform-error") + if ferr == nil { + filename = tempfile.Name() + defer tempfile.Close() + _, _ = io.Copy(tempfile, fb.from) + return herrors.NewFileErrorFromFile(err, filename, filename, hugofs.Os, nil) + } + return herrors.NewFileError(filename, err).UpdateContent(fb.from, nil) + } } |