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hugolib: Must recreate Paginator on live-reload

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The structure may potentially have changed, and then it fails.

Fixes #3315
This commit is contained in:
Bjørn Erik Pedersen 2017-04-12 18:11:37 +02:00
parent e765b43e2b
commit 45c7452668
2 changed files with 18 additions and 12 deletions
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15
hugolib/page_output.go
View file

@ -78,13 +78,17 @@ func newPageOutput(p *Page, createCopy bool, f output.Format) (*PageOutput, erro
// copy creates a copy of this PageOutput with the lazy sync.Once vars reset // copy creates a copy of this PageOutput with the lazy sync.Once vars reset
// so they will be evaluated again, for word count calculations etc. // so they will be evaluated again, for word count calculations etc.
func (p *PageOutput) copy() *PageOutput { func (p *PageOutput) copyWithFormat(f output.Format) (*PageOutput, error) {
c, err := newPageOutput(p.Page, true, p.outputFormat) c, err := newPageOutput(p.Page, true, f)
if err != nil { if err != nil {
panic(err) return nil, err
} }
c.paginator = p.paginator c.paginator = p.paginator
return c return c, nil
}
func (p *PageOutput) copy() (*PageOutput, error) {
return p.copyWithFormat(p.outputFormat)
} }
func (p *PageOutput) layouts(layouts ...string) ([]string, error) { func (p *PageOutput) layouts(layouts ...string) ([]string, error) {
@ -142,6 +146,9 @@ func (p *Page) Render(layout ...string) template.HTML {
} }
p.pageOutputInit.Do(func() { p.pageOutputInit.Do(func() {
if p.mainPageOutput != nil {
return
}
// If Render is called in a range loop, the page output isn't available. // If Render is called in a range loop, the page output isn't available.
// So, create one. // So, create one.
outFormat := p.outputFormats[0] outFormat := p.outputFormats[0]

15
hugolib/site_render.go
View file

@ -75,14 +75,10 @@ func pageRenderer(s *Site, pages <-chan *Page, results chan<- error, wg *sync.Wa
) )
if i == 0 { if i == 0 {
page.pageOutputInit.Do(func() { pageOutput, err = newPageOutput(page, false, outFormat)
var po *PageOutput page.mainPageOutput = pageOutput
po, err = newPageOutput(page, false, outFormat)
page.mainPageOutput = po
})
pageOutput = page.mainPageOutput
} else { } else {
pageOutput, err = newPageOutput(page, true, outFormat) pageOutput, err = page.mainPageOutput.copyWithFormat(outFormat)
} }
if err != nil { if err != nil {
@ -159,7 +155,10 @@ func (s *Site) renderPaginator(p *PageOutput) error {
continue continue
} }
pagerNode := p.copy() pagerNode, err := p.copy()
if err != nil {
return err
}
pagerNode.paginator = pager pagerNode.paginator = pager
if pager.TotalPages() > 0 { if pager.TotalPages() > 0 {