shithub: hugo

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Print template parsing errors to aid troubleshooting

Added a new Template.PrintErrors() function call,
used in hugolib/site.go#Process() so it does not clutter
up `go test -v ./...` results.

Special thanks to @tatsushid for mapping out the call trace
which makes it a lot easier to find the appropriate places
to place the Template.PrintErrors() call.

Fixes #316

--- a/hugolib/site.go

+++ b/hugolib/site.go

@@ -269,6 +269,7 @@

 		return

 	}

 	s.prepTemplates()

+	s.Tmpl.PrintErrors()

 	s.timerStep("initialize & template prep")

 	if err = s.CreatePages(); err != nil {

 		return

--- a/tpl/template.go

+++ b/tpl/template.go

@@ -50,6 +50,7 @@

 	AddTemplate(name, tpl string) error

 	AddInternalTemplate(prefix, name, tpl string) error

 	AddInternalShortcode(name, tpl string) error

+	PrintErrors()

 }

 type templateErr struct {

@@ -1251,6 +1252,12 @@

 func (t *GoHtmlTemplate) LoadTemplates(absPath string) {

 	t.loadTemplates(absPath, "")

+}

+

+func (t *GoHtmlTemplate) PrintErrors() {

+	for _, e := range t.errors {

+		jww.ERROR.Println(e.err)

+	}

 }

 func init() {