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general spring cleaning
There are some breaking changes in this commit, see #11455.
Closes #11455
Closes #11549
This fixes a set of bugs (see issue list) and it is also paying some technical debt accumulated over the years. We now build with Staticcheck enabled in the CI build.
The performance should be about the same as before for regular sized Hugo sites, but it should perform and scale much better to larger data sets, as objects that uses lots of memory (e.g. rendered Markdown, big JSON files read into maps with transform.Unmarshal etc.) will now get automatically garbage collected if needed. Performance on partial rebuilds when running the server in fast render mode should be the same, but the change detection should be much more accurate.
A list of the notable new features:
* A new dependency tracker that covers (almost) all of Hugo's API and is used to do fine grained partial rebuilds when running the server.
* A new and simpler tree document store which allows fast lookups and prefix-walking in all dimensions (e.g. language) concurrently.
* You can now configure an upper memory limit allowing for much larger data sets and/or running on lower specced PCs.
We have lifted the "no resources in sub folders" restriction for branch bundles (e.g. sections).
Memory Limit
* Hugos will, by default, set aside a quarter of the total system memory, but you can set this via the OS environment variable HUGO_MEMORYLIMIT (in gigabytes). This is backed by a partitioned LRU cache used throughout Hugo. A cache that gets dynamically resized in low memory situations, allowing Go's Garbage Collector to free the memory.
New Dependency Tracker: Hugo has had a rule based coarse grained approach to server rebuilds that has worked mostly pretty well, but there have been some surprises (e.g. stale content). This is now revamped with a new dependency tracker that can quickly calculate the delta given a changed resource (e.g. a content file, template, JS file etc.). This handles transitive relations, e.g. $page -> js.Build -> JS import, or $page1.Content -> render hook -> site.GetPage -> $page2.Title, or $page1.Content -> shortcode -> partial -> site.RegularPages -> $page2.Content -> shortcode ..., and should also handle changes to aggregated values (e.g. site.Lastmod) effectively.
This covers all of Hugo's API with 2 known exceptions (a list that may not be fully exhaustive):
Changes to files loaded with template func os.ReadFile may not be handled correctly. We recommend loading resources with resources.Get
Changes to Hugo objects (e.g. Page) passed in the template context to lang.Translate may not be detected correctly. We recommend having simple i18n templates without too much data context passed in other than simple types such as strings and numbers.
Note that the cachebuster configuration (when A changes then rebuild B) works well with the above, but we recommend that you revise that configuration, as it in most situations should not be needed. One example where it is still needed is with TailwindCSS and using changes to hugo_stats.json to trigger new CSS rebuilds.
Document Store: Previously, a little simplified, we split the document store (where we store pages and resources) in a tree per language. This worked pretty well, but the structure made some operations harder than they needed to be. We have now restructured it into one Radix tree for all languages. Internally the language is considered to be a dimension of that tree, and the tree can be viewed in all dimensions concurrently. This makes some operations re. language simpler (e.g. finding translations is just a slice range), but the idea is that it should also be relatively inexpensive to add more dimensions if needed (e.g. role).
Fixes #10169
Fixes #10364
Fixes #10482
Fixes #10630
Fixes #10656
Fixes #10694
Fixes #10918
Fixes #11262
Fixes #11439
Fixes #11453
Fixes #11457
Fixes #11466
Fixes #11540
Fixes #11551
Fixes #11556
Fixes #11654
Fixes #11661
Fixes #11663
Fixes #11664
Fixes #11669
Fixes #11671
Fixes #11807
Fixes #11808
Fixes #11809
Fixes #11815
Fixes #11840
Fixes #11853
Fixes #11860
Fixes #11883
Fixes #11904
Fixes #7388
Fixes #7425
Fixes #7436
Fixes #7544
Fixes #7882
Fixes #7960
Fixes #8255
Fixes #8307
Fixes #8863
Fixes #8927
Fixes #9192
Fixes #9324
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Updates #10953
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I shouldn't have merged this without running the tests.
This libray logs to stderr on init, which is a no go for us.
Re. test failure:
```
[stderr]
2023/05/17 18:21:04 maxprocs: Leaving GOMAXPROCS=2: CPU quota undefined
```
This reverts commit 59050f97f637b7cb423e6f5b63e36c1ea973c183.
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Fixes #10950
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Primary motivation is documentation, but it will also hopefully simplify the code.
Also,
* Lower case the default output format names; this is in line with the custom ones (map keys) and how
it's treated all the places. This avoids doing `stringds.EqualFold` everywhere.
Closes #10896
Closes #10620
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See https://github.com/mvdan/gofumpt
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And use that to calculate number of workers, if set, else fall back to number of logical CPUs.
Also tweak the relevant related settings to match the new setup.
Also remove the setting of `runtime.GOMAXPROCS` as this has been the default behaviour since Go 1.5.
Fixes #5814
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We have no global `Hugo` object no more (yay!), and there are some external tools that depends on that value.
These tools need to use get that value from `Response.Result`.
Note that `commands.Execute` now also takes the arguments as a string slice. This should also make it easier to use, not having to modify `os.Args`.
This commit also wraps up this particular issue. Phew!
Test coverage in /commands before: 14.4%
Now: 53.5%
Still work to do, now it is at least possible.
Closes #4598
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There are still some cleaning to do, but that felt good.
See #4598
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See #4598
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Fixes #3239
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Fixes #740
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Still need to add some missing headers and an AUTHORS file.
See #1646
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Among the various changes, most instances of
{{ template "partials/FILE.html" . }}
were changed to
{{ partial "FILE.html" . }}
Also, in main.go, change "2013" to "2013-14".
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handling. Integration of jWalterWeatherman library. Fixed #137
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Seeing 300%+ improvement of total build time.
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Better organization of main (controller style) code.
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Being a good OS citizen so folks can compose hugo into their tool chain.
Also helps with git bisect run.
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Currently changing css deletes all the site published html when it copies.
Refs #46
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New behavior adds a special case for file changes inside the static directory to fsync PublishDir
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Mention more clearly that, for generating `/filename.html`, you need to
set the `uglyurls` flag to `true`.
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Remove the need for NewSite by relying on appropriate defaults. Renamed
site.c to site.Config to allow Sites to be created outside the package.
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Any program, when asks to print their version, only prints that, and then
stops.
hugo checks the config (and prints a warning message if not found), and
proceeds to generate the site!
Yet, the user just wanted to check the version.
This patch makes sure hugo stops after printing the version.
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Adding --uglyurls option to retain previous behavior
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restructuredtext support
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