This also includes a refactor of the hugofs package and its usage.
The motivation for that is:
The Afero filesystems are brilliant. Hugo's way of adding a dozen of global variables for the different filesystems was a mistake. In readFile (and also in some other places in Hugo today) we need a way to restrict the access inside the working dir. We could use ioutil.ReadFile and implement the path checking, checking the base path and the dots ("..") etc. But it is obviously better to use an Afero BasePathFs combined witha ReadOnlyFs. We could create a use-once-filesystem and handle the initialization ourselves, but since this is also useful to others and the initialization depends on some other global state (which would mean to create a new file system on every invocation), we might as well do it properly and encapsulate the predefined set of filesystems. This change also leads the way, if needed, to encapsulate the file systems in a struct, making it possible to have several file system sets in action at once (parallel multilanguage site building? With Moore's law and all...)
Fixes#1551
This commit replaces the regexp driven `replaceShortcodeTokens` with a handwritten one.
It wasnt't possible to handle the p-tags case without breaking performance.
This fix actually improves in that area:
```
benchmark old ns/op new ns/op delta
BenchmarkParsePage 142738 142667 -0.05%
BenchmarkReplaceShortcodeTokens 665590 575645 -13.51%
BenchmarkShortcodeLexer 176038 181074 +2.86%
benchmark old allocs new allocs delta
BenchmarkParsePage 87 87 +0.00%
BenchmarkReplaceShortcodeTokens 9631 9424 -2.15%
BenchmarkShortcodeLexer 274 274 +0.00%
benchmark old bytes new bytes delta
BenchmarkParsePage 141830 141830 +0.00%
BenchmarkReplaceShortcodeTokens 52275 35219 -32.63%
BenchmarkShortcodeLexer 30177 30178 +0.00%
```
Fixes#1148
Section names are also used as the title of the list pages, but naming section folders as `Fish and Chips` and similar didn't work very well.
This commit fixes that.
This commit also changes the title casing of the section titles. Some may argue that this is a breaking change, but the old behaviour was also pretty broken,
even for languages that use title capitalizations, as it didn't follow any particular style guide, `fish and chips` became `Fish And Chips` etc.
Now it just turns the first letter into upper case, so `Fish and Chips` will be left as `Fish and Chips`.
People wanting the good old behaviour can use the `title` template func.
Fixes#1176
To determine if a page is the "Home Page" has inspired lots of creativity in the template department.
This commit makes it simpler: IsHome will tell the truth.
First step to use initialisms that golint suggests,
for example:
Line 116: func GetHtmlRenderer should be GetHTMLRenderer
as see on http://goreportcard.com/report/spf13/hugo
Thanks to @bep for the idea!
Note that command-line flags (cobra and pflag)
as well as struct fields like .BaseUrl and .Url
that are used in Go HTML templates need more work
to maintain backward-compatibility, and thus
are NOT yet dealt with in this commit.
First step in fixing #959.
