Docs for releases during 2018-{10-12} appear unstyled #1327

inejge · 2021-03-22T21:21:11Z

The most recent docs.rs displays the contents for rouille-3.0.0 with no styles; only the top nav bar is styled. Tested with FF 86 and Chromium 89. When I last visited the page, in the past week or so, it displayed correctly.

Inspector shows the stylesheet links in <head> as relative, e.g.,

<link rel="stylesheet" type="text/css" href="../rustdoc-20181129-1.32.0-nightly-3e90a12a8.css" id="mainThemeStyle">

...and obviously doesn't read valid CSS, since the console is full of "Ruleset ignored due to bad selector" messages. If I tweak the links to absolute like this:

<link rel="stylesheet" type="text/css" href="/rustdoc-20181129-1.32.0-nightly-3e90a12a8.css" id="mainThemeStyle">

...the styling appears, but will of course again be absent if I navigate away to any subpage.

The text was updated successfully, but these errors were encountered:

jyn514 · 2021-03-22T21:29:23Z

I can't replicate this - can you post a screenshot of what the page looks like for you?

inejge · 2021-03-22T21:53:17Z

jyn514 · 2021-03-22T22:09:27Z

Can you pull up the network console and show what file it's trying to load? Mine is loading https://docs.rs/rouille/3.0.0/rustdoc-20181129-1.32.0-nightly-3e90a12a8.css which succeeds.

inejge · 2021-03-22T22:18:42Z

For that particular URL (the others behave similarly), first I get a 302 which pastes an extra /rouille on the response in Location, resulting in a subsequent 404. Copy/paste from the network console:

{
	"GET": {
		"scheme": "https",
		"host": "docs.rs",
		"filename": "/rouille/3.0.0/rustdoc-20181129-1.32.0-nightly-3e90a12a8.css",
		"remote": {
			"Address": "52.84.109.107:443"
		}
	}
}
{
	"Status": "302Found",
	"Version": "HTTP/2",
	"Transferred": "2.79 KB (8.98 KB size)",
	"Referrer Policy": "strict-origin-when-cross-origin"
}
{
	"Response Headers (460 B)": {
		"headers": [
			{
				"name": "content-length",
				"value": "0"
			},
			{
				"name": "date",
				"value": "Mon, 22 Mar 2021 22:11:03 GMT"
			},
			{
				"name": "expires",
				"value": "Mon, 22 Mar 2021 22:11:03 GMT"
			},
			{
				"name": "location",
				"value": "https://docs.rs/rouille/3.0.0/rustdoc-20181129-1.32.0-nightly-3e90a12a8.css/rouille/"
			},
			{
				"name": "server",
				"value": "nginx/1.14.0 (Ubuntu)"
			},
			{
				"name": "via",
				"value": "1.1 d84412fe91532b74b0fb5833b7857e01.cloudfront.net (CloudFront)"
			},
			{
				"name": "x-amz-cf-id",
				"value": "X0QTIL_EkQwhpJYBEZNWRISTLtnCNKs4dRpu8PXLmvwkEEwuJzaizg=="
			},
			{
				"name": "x-amz-cf-pop",
				"value": "BUD50-C1"
			},
			{
				"name": "x-cache",
				"value": "Miss from cloudfront"
			},
			{
				"name": "X-Firefox-Spdy",
				"value": "h2"
			}
		]
	}
}
{
	"Request Headers (398 B)": {
		"headers": [
			{
				"name": "Accept",
				"value": "text/css,*/*;q=0.1"
			},
			{
				"name": "Accept-Encoding",
				"value": "gzip, deflate, br"
			},
			{
				"name": "Accept-Language",
				"value": "en-US,en;q=0.5"
			},
			{
				"name": "Cache-Control",
				"value": "max-age=0"
			},
			{
				"name": "Connection",
				"value": "keep-alive"
			},
			{
				"name": "DNT",
				"value": "1"
			},
			{
				"name": "Host",
				"value": "docs.rs"
			},
			{
				"name": "Referer",
				"value": "https://docs.rs/rouille/3.0.0/rouille/"
			},
			{
				"name": "Sec-GPC",
				"value": "1"
			},
			{
				"name": "TE",
				"value": "Trailers"
			},
			{
				"name": "User-Agent",
				"value": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0"
			}
		]
	}
}

Nemo157 · 2021-03-22T22:35:35Z

Interesting, I can reproduce if compression is disabled (though maybe that's just an artifact of the caching):

> curl -I https://docs.rs/rouille/3.0.0/rustdoc-20181129-1.32.0-nightly-3e90a12a8.css
HTTP/2 302
content-length: 0
location: https://docs.rs/rouille/3.0.0/rustdoc-20181129-1.32.0-nightly-3e90a12a8.css/rouille/
server: nginx/1.14.0 (Ubuntu)
date: Mon, 22 Mar 2021 22:34:16 GMT
expires: Mon, 22 Mar 2021 22:34:16 GMT
x-cache: Miss from cloudfront
via: 1.1 458f29e42261f01e7368474593f44b66.cloudfront.net (CloudFront)
x-amz-cf-pop: TXL52-C1
x-amz-cf-id: gtmRXBGWwh5d06CQuMfY_nrCsI-QyyBEDOCUNIW21u4-6PwT0Qi2FQ==


> curl -I https://docs.rs/rouille/3.0.0/rustdoc-20181129-1.32.0-nightly-3e90a12a8.css --compressed
HTTP/2 200
content-type: text/css
server: nginx/1.14.0 (Ubuntu)
date: Sun, 07 Feb 2021 13:56:45 GMT
cache-control: public, max-age=31104000
last-modified: Fri, 19 Jul 2019 14:28:38 GMT
content-encoding: gzip
vary: Accept-Encoding,Accept-Encoding
x-cache: Hit from cloudfront
via: 1.1 a57d5819527c444e16b1875e3bd28970.cloudfront.net (CloudFront)
x-amz-cf-pop: TXL52-C1
x-amz-cf-id: 29N_lXiWz5vXptphnNYQyckTHjaGlTQteFH_CRgNhQnoASEMQsDqBA==
age: 3746254

jyn514 · 2021-03-22T22:38:30Z

Interesting, I can reproduce if compression is disabled (though maybe that's just an artifact of the caching):

This is the caching, on the prod server --compressed also gives the bad 302.

Nemo157 · 2021-03-22T22:39:53Z

Seems likely to be a side-effect of #1324 and some weirdness of the "redirect crate root into the docs" ignoring the filename, if there's a filename it should probably just return a 404.

jyn514 · 2021-03-22T22:40:10Z

This was built with 2018-11-29, so I expect it's related to #1181 somehow. Honestly I would rather just rather rebuild those docs.

jyn514 · 2021-03-22T22:52:46Z

Ok, the issue is that

docs.rs/src/web/rustdoc.rs

Lines 45 to 47 in de03cb2

 /// Handler called for `/:crate` and `/:crate/:version` URLs. Automatically redirects to the docs 

 /// or crate details page based on whether the given crate version was successfully built. 

 pub fn rustdoc_redirector_handler(req: &mut Request) -> IronResult<Response> {

unconditionally redirects, even if the file doesn't exists (for everything except .js and .css files).

There are a couple possible fixes:

Only redirect for valid crate or target names ([a-zA-Z_-]+). This doesn't include ., so any file with an extension will get 404s returned.
Rebuild the crates that are linking to the wrong place (Docs built during 2018-{10-12} link to the wrong url for static resources #1181).
Revert Give precedence to local shared files over global ones #1324 or special-case it somehow. I would rather not do this, it means the issue in Don't hard-code essential rustdoc files #1312 (comment) comes back.

1 is kind of a hack but I think it's the easiest and most reliable fix.

jyn514 · 2021-03-23T20:23:30Z

isn't possible, because it's not always true that the page will be a 404 after a redirect: Add hack so that docs from 2018-11-29 are styled correctly #1331 (comment). For now I'll rebuild rouille 3.0.0 directly, and the other crates built during that time period will just be broken for now.

jyn514 · 2021-03-25T12:56:44Z

So I don't forget again: the broken links start in #243 (2018-10-20) and end after #281 (2019-01-11).

…imulacrum rustdoc: Add unstable option to only emit shared/crate-specific files The intended use case is for docs.rs, which can now copy exactly the files it cares about, rather than having to guess based on whether they have a resource suffix or not. In particular, some files have a resource suffix but cannot be shared between crates: rust-lang/docs.rs#1312 (comment) The end goal is to fix rust-lang/docs.rs#1327 by reverting rust-lang/docs.rs#1324. This obsoletes `--print=unversioned-files`, which I plan to remove as soon as docs.rs stops using it. I recommend reviewing this one commit at a time. r? `@GuillaumeGomez` cc `@Nemo157` `@pietroalbini`

…imulacrum rustdoc: Add unstable option to only emit shared/crate-specific files The intended use case is for docs.rs, which can now copy exactly the files it cares about, rather than having to guess based on whether they have a resource suffix or not. In particular, some files have a resource suffix but cannot be shared between crates: rust-lang/docs.rs#1312 (comment) The end goal is to fix rust-lang/docs.rs#1327 by reverting rust-lang/docs.rs#1324. This obsoletes `--print=unversioned-files`, which I plan to remove as soon as docs.rs stops using it. I recommend reviewing this one commit at a time. r? ``@GuillaumeGomez`` cc ``@Nemo157`` ``@pietroalbini``

jyn514 · 2021-04-04T14:52:39Z

Wow, github is really bad about that. That commit isn't even close to fixing this.

jyn514 · 2021-04-13T16:54:27Z

For posterity: since rouille was rebuilt, another example of an affected crate is https://docs.rs/ess/0.4.2/ess/, which is now working.

jyn514 added the C-bug Category: This is a bug label Mar 22, 2021

jyn514 added A-backend Area: Webserver backend E-easy Effort: Should be easy to implement and would make a good first PR mentor This has instructions for getting started labels Mar 22, 2021

jyn514 mentioned this issue Mar 23, 2021

Add hack so that docs from 2018-11-29 are styled correctly #1331

Closed

jyn514 added A-admin Area: Administration of the production docs.rs server and removed E-easy Effort: Should be easy to implement and would make a good first PR mentor This has instructions for getting started labels Mar 23, 2021

jyn514 changed the title ~~Docs for rouille-3.0.0 appear unstyled~~ Docs for releases during 2018-{10-12} appear unstyled Mar 23, 2021

jyn514 mentioned this issue Mar 25, 2021

rustdoc: Add unstable option to only emit shared/crate-specific files rust-lang/rust#83478

Merged

jyn514 mentioned this issue Apr 2, 2021

rustdoc: follow-up work for --emit=toolchain-shared-resources rust-lang/rust#83784

Open

3 tasks

jyn514 mentioned this issue Apr 3, 2021

Upload exactly the shared files needed and give precedence to global files over local ones #1340

Merged

GuillaumeGomez closed this as completed in GuillaumeGomez/rust@f77ebd4 Apr 4, 2021

jyn514 reopened this Apr 4, 2021

jyn514 closed this as completed in #1340 Apr 13, 2021

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Docs for releases during 2018-{10-12} appear unstyled #1327

Docs for releases during 2018-{10-12} appear unstyled #1327

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Docs for releases during 2018-{10-12} appear unstyled #1327

Docs for releases during 2018-{10-12} appear unstyled #1327

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