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helpers: Ignore cache for Pygments when flag set

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When the --ignoreCache flag is set to true, do not write and read
the Pygments results to/from the cache directory.

Fixes #2066
Closes #2068
This commit is contained in:
Robert Basic 2016-04-10 10:11:00 +02:00 committed by Bjørn Erik Pedersen
parent c0cf1a7e37
commit 37fb2d43e5
2 changed files with 4 additions and 2 deletions
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1
docs/content/extras/highlighting.md
View file

@ -106,6 +106,7 @@ It is also possible to add syntax highlighting with GitHub flavoured code fences
### Disclaimers ### Disclaimers
* Pygments is relatively slow and _causes a performance hit when building your site_, but Hugo has been designed to cache the results to disk. * Pygments is relatively slow and _causes a performance hit when building your site_, but Hugo has been designed to cache the results to disk.
* The caching can be turned off by setting the `--ignoreCache` flag to `true`.
* Languages available depends on your Pygments installation. * Languages available depends on your Pygments installation.
## Client-side ## Client-side

5
helpers/pygments.go
View file

@ -62,10 +62,11 @@ func Highlight(code, lang, optsStr string) string {
fs := hugofs.Os() fs := hugofs.Os()
ignoreCache := viper.GetBool("IgnoreCache")
cacheDir := viper.GetString("CacheDir") cacheDir := viper.GetString("CacheDir")
var cachefile string var cachefile string
if cacheDir != "" { if !ignoreCache && cacheDir != "" {
cachefile = filepath.Join(cacheDir, fmt.Sprintf("pygments-%x", hash.Sum(nil))) cachefile = filepath.Join(cacheDir, fmt.Sprintf("pygments-%x", hash.Sum(nil)))
exists, err := Exists(cachefile, fs) exists, err := Exists(cachefile, fs)
@ -120,7 +121,7 @@ func Highlight(code, lang, optsStr string) string {
str = strings.Replace(str, "</pre>", "</code></pre>", 1) str = strings.Replace(str, "</pre>", "</code></pre>", 1)
} }
if cachefile != "" { if !ignoreCache && cachefile != "" {
// Write cache file // Write cache file
if err := WriteToDisk(cachefile, strings.NewReader(str), fs); err != nil { if err := WriteToDisk(cachefile, strings.NewReader(str), fs); err != nil {
jww.ERROR.Print(stderr.String()) jww.ERROR.Print(stderr.String())