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Revise the deprecation strategy
Git users and theme authors two Hugo releases to fix: 1. With a visible warning 2. Then with an ERROR that exits with -1 Fixes #2726
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4 changed files with 25 additions and 11 deletions
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@ -250,19 +250,32 @@ func NewDistinctFeedbackLogger() *DistinctLogger {
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return &DistinctLogger{m: make(map[string]bool), logger: &jww.FEEDBACK}
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}
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// DistinctErrorLog cann be used to avoid spamming the logs with errors.
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var DistinctErrorLog = NewDistinctErrorLogger()
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var (
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// DistinctErrorLog can be used to avoid spamming the logs with errors.
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DistinctErrorLog = NewDistinctErrorLogger()
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// DistinctFeedbackLog can be used to avoid spamming the logs with info messages.
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DistinctFeedbackLog = NewDistinctFeedbackLogger()
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)
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// InitLoggers sets up the global distinct loggers.
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func InitLoggers() {
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DistinctErrorLog = NewDistinctErrorLogger()
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}
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// Deprecated logs ERROR logs about a deprecation, but only once for a given set of arguments' values.
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func Deprecated(object, item, alternative string) {
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// deprecatedLogger.Printf("%s's %s is deprecated and will be removed in Hugo %s. Use %s instead.", object, item, NextHugoReleaseVersion(), alternative)
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DistinctErrorLog.Printf("%s's %s is deprecated and will be removed in a future release. Use %s instead.", object, item, alternative)
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// Deprecated informs about a deprecation, but only once for a given set of arguments' values.
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// If the err flag is enabled, it logs as an ERROR (will exit with -1) and the text will
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// point at the next Hugo release.
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// The idea is two remove an item in two Hugo releases to give users and theme authors
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// plenty of time to fix their templates.
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func Deprecated(object, item, alternative string, err bool) {
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if err {
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DistinctErrorLog.Printf("%s's %s is deprecated and will be removed in Hugo %s. Use %s instead.", object, item, NextHugoReleaseVersion(), alternative)
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} else {
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// Make sure the users see this while avoiding build breakage. This will not lead to an os.Exit(-1)
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DistinctFeedbackLog.Printf("WARNING: %s's %s is deprecated and will be removed in a future release. Use %s instead.", object, item, alternative)
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}
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}
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// SliceToLower goes through the source slice and lowers all values.
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@ -242,18 +242,18 @@ type PageMeta struct {
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}
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func (*PageMeta) WordCount() int {
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helpers.Deprecated("PageMeta", "WordCount", ".WordCount (on Page)")
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helpers.Deprecated("PageMeta", "WordCount", ".WordCount (on Page)", true)
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return 0
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}
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func (*PageMeta) FuzzyWordCount() int {
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helpers.Deprecated("PageMeta", "FuzzyWordCount", ".FuzzyWordCount (on Page)")
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helpers.Deprecated("PageMeta", "FuzzyWordCount", ".FuzzyWordCount (on Page)", true)
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return 0
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}
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func (*PageMeta) ReadingTime() int {
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helpers.Deprecated("PageMeta", "ReadingTime", ".ReadingTime (on Page)")
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helpers.Deprecated("PageMeta", "ReadingTime", ".ReadingTime (on Page)", true)
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return 0
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}
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@ -1565,7 +1565,7 @@ func (p *Page) Hugo() *HugoInfo {
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func (p *Page) RSSlink() template.HTML {
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// TODO(bep) we cannot have two of these
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helpers.Deprecated(".Page", "RSSlink", "RSSLink")
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helpers.Deprecated(".Page", "RSSlink", "RSSLink", false)
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return p.RSSLink
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}
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@ -1270,6 +1270,7 @@ func TestIndexPageSimpleMethods(t *testing.T) {
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} {
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n := &Page{pageInit: &pageInit{}, Kind: KindHome}
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n.RSSLink = "rssLink"
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if !this.assertFunc(n) {
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@ -245,7 +245,7 @@ func (s *SiteInfo) Param(key interface{}) (interface{}, error) {
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// GetParam gets a site parameter value if found, nil if not.
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func (s *SiteInfo) GetParam(key string) interface{} {
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helpers.Deprecated("SiteInfo", ".GetParam", ".Param")
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helpers.Deprecated("SiteInfo", ".GetParam", ".Param", false)
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v := s.Params[strings.ToLower(key)]
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if v == nil {
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