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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/processor.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>processor.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<span id="414">414</span>
|
||
<span id="415">415</span>
|
||
<span id="416">416</span>
|
||
<span id="417">417</span>
|
||
<span id="418">418</span>
|
||
</pre><div class="example-wrap"><pre class="rust ">
|
||
<span class="comment">/*
|
||
* Copyright (C) 2021 Aravinth Manivannan <realaravinth@batsense.net>
|
||
*
|
||
* Use of this source code is governed by the Apache 2.0 and/or the MIT
|
||
* License.
|
||
*/</span>
|
||
|
||
<span class="doccomment">//! Module describing file processor that changes filenames to setup cache-busting</span>
|
||
<span class="doccomment">//!</span>
|
||
<span class="doccomment">//! Run the following during build using `build.rs`:</span>
|
||
<span class="doccomment">//!</span>
|
||
<span class="doccomment">//! ```rust</span>
|
||
<span class="doccomment">//! use cache_buster::BusterBuilder;</span>
|
||
<span class="doccomment">//!</span>
|
||
<span class="doccomment">//! // note: add error checking yourself.</span>
|
||
<span class="doccomment">//! // println!("cargo:rustc-env=GIT_process={}", git_process);</span>
|
||
<span class="doccomment">//! let types = vec![</span>
|
||
<span class="doccomment">//! mime::IMAGE_PNG,</span>
|
||
<span class="doccomment">//! mime::IMAGE_SVG,</span>
|
||
<span class="doccomment">//! mime::IMAGE_JPEG,</span>
|
||
<span class="doccomment">//! mime::IMAGE_GIF,</span>
|
||
<span class="doccomment">//! ];</span>
|
||
<span class="doccomment">//!</span>
|
||
<span class="doccomment">//! let config = BusterBuilder::default()</span>
|
||
<span class="doccomment">//! .source("./dist")</span>
|
||
<span class="doccomment">//! .result("./prod")</span>
|
||
<span class="doccomment">//! .mime_types(types)</span>
|
||
<span class="doccomment">//! .copy(true)</span>
|
||
<span class="doccomment">//! .follow_links(true)</span>
|
||
<span class="doccomment">//! .build()</span>
|
||
<span class="doccomment">//! .unwrap();</span>
|
||
<span class="doccomment">//!</span>
|
||
<span class="doccomment">//! config.process().unwrap();</span>
|
||
<span class="doccomment">//! ```</span>
|
||
<span class="doccomment">//!</span>
|
||
<span class="doccomment">//! There's a runtime component to this library which will let you read modified</span>
|
||
<span class="doccomment">//! filenames from within your program. See [Files]</span>
|
||
|
||
<span class="kw">use</span> <span class="ident">std::collections::HashMap</span>;
|
||
<span class="kw">use</span> <span class="ident">std::io::Error</span>;
|
||
<span class="kw">use</span> <span class="ident">std::path::Path</span>;
|
||
<span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">fs</span>, <span class="ident">path::PathBuf</span>};
|
||
|
||
<span class="kw">use</span> <span class="ident">derive_builder::Builder</span>;
|
||
<span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>};
|
||
<span class="kw">use</span> <span class="ident">walkdir::WalkDir</span>;
|
||
|
||
<span class="kw">use</span> <span class="kw">crate</span>::<span class="kw-2">*</span>;
|
||
|
||
<span class="doccomment">/// Configuration for setting up cache-busting</span>
|
||
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Builder</span>)]</span>
|
||
<span class="attribute">#[<span class="ident">builder</span>(<span class="ident">build_fn</span>(<span class="ident">validate</span> <span class="op">=</span> <span class="string">"Self::validate"</span>))]</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Buster</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> {
|
||
<span class="doccomment">/// source directory</span>
|
||
<span class="attribute">#[<span class="ident">builder</span>(<span class="ident">setter</span>(<span class="ident">into</span>))]</span>
|
||
<span class="ident">source</span>: <span class="ident">String</span>,
|
||
<span class="doccomment">/// mime_types for hashing</span>
|
||
<span class="attribute">#[<span class="ident">builder</span>(<span class="ident">setter</span>(<span class="ident">into</span>, <span class="ident">strip_option</span>), <span class="ident">default</span>)]</span>
|
||
<span class="ident">mime_types</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">mime::Mime</span><span class="op">></span><span class="op">></span>,
|
||
<span class="doccomment">/// directory for writing results</span>
|
||
<span class="attribute">#[<span class="ident">builder</span>(<span class="ident">setter</span>(<span class="ident">into</span>))]</span>
|
||
<span class="ident">result</span>: <span class="ident">String</span>,
|
||
<span class="attribute">#[<span class="ident">builder</span>(<span class="ident">setter</span>(<span class="ident">into</span>, <span class="ident">strip_option</span>), <span class="ident">default</span>)]</span>
|
||
<span class="doccomment">/// route prefixes</span>
|
||
<span class="ident">prefix</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>,
|
||
<span class="doccomment">/// copy other non-hashed files from source dire to result dir?</span>
|
||
<span class="ident">copy</span>: <span class="ident">bool</span>,
|
||
<span class="doccomment">/// follow symlinks?</span>
|
||
<span class="ident">follow_links</span>: <span class="ident">bool</span>,
|
||
<span class="doccomment">/// exclude these files for hashing.</span>
|
||
<span class="doccomment">/// They will be copied over without including a hash in the filename</span>
|
||
<span class="doccomment">/// Path should be relative to [self.source]</span>
|
||
<span class="attribute">#[<span class="ident">builder</span>(<span class="ident">default</span>)]</span>
|
||
<span class="ident">no_hash</span>: <span class="ident">Vec</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span><span class="op">></span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="ident">BusterBuilder</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">validate</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">String</span><span class="op">></span> {
|
||
<span class="kw">for</span> <span class="ident">file</span> <span class="kw">in</span> <span class="self">self</span>.<span class="ident">no_hash</span>.<span class="ident">iter</span>() {
|
||
<span class="kw">for</span> <span class="ident">file</span> <span class="kw">in</span> <span class="ident">file</span>.<span class="ident">iter</span>() {
|
||
<span class="kw">if</span> <span class="op">!</span><span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">source</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>())
|
||
.<span class="ident">join</span>(<span class="ident">file</span>)
|
||
.<span class="ident">exists</span>()
|
||
{
|
||
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="macro">format!</span>(<span class="string">"File {} doesn't exist"</span>, <span class="ident">file</span>));
|
||
}
|
||
}
|
||
}
|
||
<span class="prelude-val">Ok</span>(())
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="ident">Buster</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> {
|
||
<span class="comment">// creates base_dir to output files to</span>
|
||
<span class="kw">fn</span> <span class="ident">init</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">Error</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">result</span>);
|
||
<span class="kw">if</span> <span class="ident">res</span>.<span class="ident">exists</span>() {
|
||
<span class="ident">fs::remove_dir_all</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">result</span>).<span class="ident">unwrap</span>();
|
||
}
|
||
|
||
<span class="ident">fs::create_dir</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">result</span>).<span class="ident">unwrap</span>();
|
||
<span class="self">self</span>.<span class="ident">create_dir_structure</span>(<span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">source</span>))<span class="question-mark">?</span>;
|
||
<span class="prelude-val">Ok</span>(())
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">hasher</span>(<span class="ident">payload</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-</span><span class="op">></span> <span class="ident">String</span> {
|
||
<span class="kw">use</span> <span class="ident">data_encoding::HEXUPPER</span>;
|
||
<span class="kw">use</span> <span class="ident">sha2</span>::{<span class="ident">Digest</span>, <span class="ident">Sha256</span>};
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">hasher</span> <span class="op">=</span> <span class="ident">Sha256::new</span>();
|
||
<span class="ident">hasher</span>.<span class="ident">update</span>(<span class="ident">payload</span>);
|
||
<span class="ident">HEXUPPER</span>.<span class="ident">encode</span>(<span class="kw-2">&</span><span class="ident">hasher</span>.<span class="ident">finalize</span>())
|
||
}
|
||
|
||
<span class="doccomment">/// Processes files.</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// Panics when a weird MIME is encountered.</span>
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">process</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">Error</span><span class="op">></span> {
|
||
<span class="comment">// panics when mimetypes are detected. This way you'll know which files are ignored</span>
|
||
<span class="comment">// from processing</span>
|
||
|
||
<span class="self">self</span>.<span class="ident">init</span>()<span class="question-mark">?</span>;
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">file_map</span>: <span class="ident">Files</span> <span class="op">=</span> <span class="ident">Files::new</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">result</span>);
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">process_worker</span> <span class="op">=</span> <span class="op">|</span><span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">Path</span><span class="op">|</span> {
|
||
<span class="kw">let</span> <span class="ident">contents</span> <span class="op">=</span> <span class="self">Self</span><span class="ident">::read_to_string</span>(<span class="kw-2">&</span><span class="ident">path</span>).<span class="ident">unwrap</span>();
|
||
<span class="kw">let</span> <span class="ident">hash</span> <span class="op">=</span> <span class="self">Self</span><span class="ident">::hasher</span>(<span class="kw-2">&</span><span class="ident">contents</span>);
|
||
<span class="kw">let</span> <span class="ident">new_name</span> <span class="op">=</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">no_hash</span>.<span class="ident">iter</span>().<span class="ident">any</span>(<span class="op">|</span><span class="ident">no_hash</span><span class="op">|</span> {
|
||
<span class="kw">let</span> <span class="ident">no_hash</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">source</span>).<span class="ident">join</span>(<span class="kw-2">&</span><span class="ident">no_hash</span>);
|
||
<span class="ident">no_hash</span> <span class="op">=</span><span class="op">=</span> <span class="ident">path</span>
|
||
}) {
|
||
<span class="macro">format!</span>(
|
||
<span class="string">"{}.{}"</span>,
|
||
<span class="ident">path</span>.<span class="ident">file_stem</span>().<span class="ident">unwrap</span>().<span class="ident">to_str</span>().<span class="ident">unwrap</span>(),
|
||
<span class="ident">path</span>.<span class="ident">extension</span>().<span class="ident">unwrap</span>().<span class="ident">to_str</span>().<span class="ident">unwrap</span>()
|
||
)
|
||
} <span class="kw">else</span> {
|
||
<span class="macro">format!</span>(
|
||
<span class="string">"{}.{}.{}"</span>,
|
||
<span class="ident">path</span>.<span class="ident">file_stem</span>().<span class="ident">unwrap</span>().<span class="ident">to_str</span>().<span class="ident">unwrap</span>(),
|
||
<span class="ident">hash</span>,
|
||
<span class="ident">path</span>.<span class="ident">extension</span>().<span class="ident">unwrap</span>().<span class="ident">to_str</span>().<span class="ident">unwrap</span>()
|
||
)
|
||
};
|
||
<span class="self">self</span>.<span class="ident">copy</span>(<span class="ident">path</span>, <span class="kw-2">&</span><span class="ident">new_name</span>);
|
||
<span class="kw">let</span> (<span class="ident">source</span>, <span class="ident">destination</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">gen_map</span>(<span class="ident">path</span>, <span class="op">&&</span><span class="ident">new_name</span>);
|
||
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">file_map</span>.<span class="ident">add</span>(
|
||
<span class="ident">source</span>.<span class="ident">to_str</span>().<span class="ident">unwrap</span>().<span class="ident">into</span>(),
|
||
<span class="ident">destination</span>.<span class="ident">to_str</span>().<span class="ident">unwrap</span>().<span class="ident">into</span>(),
|
||
);
|
||
};
|
||
|
||
<span class="kw">for</span> <span class="ident">entry</span> <span class="kw">in</span> <span class="ident">WalkDir::new</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">source</span>)
|
||
.<span class="ident">follow_links</span>(<span class="self">self</span>.<span class="ident">follow_links</span>)
|
||
.<span class="ident">into_iter</span>()
|
||
{
|
||
<span class="kw">let</span> <span class="ident">entry</span> <span class="op">=</span> <span class="ident">entry</span><span class="question-mark">?</span>;
|
||
|
||
<span class="kw">let</span> <span class="ident">path</span> <span class="op">=</span> <span class="ident">entry</span>.<span class="ident">path</span>();
|
||
<span class="kw">if</span> <span class="op">!</span><span class="ident">path</span>.<span class="ident">is_dir</span>() {
|
||
<span class="kw">let</span> <span class="ident">path</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">path</span>);
|
||
|
||
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">mime_types</span>.<span class="ident">as_ref</span>() {
|
||
<span class="prelude-val">Some</span>(<span class="ident">mime_types</span>) <span class="op">=</span><span class="op">></span> {
|
||
<span class="kw">for</span> <span class="ident">mime_type</span> <span class="kw">in</span> <span class="ident">mime_types</span>.<span class="ident">iter</span>() {
|
||
<span class="kw">let</span> <span class="ident">file_mime</span> <span class="op">=</span>
|
||
<span class="ident">mime_guess::from_path</span>(<span class="ident">path</span>).<span class="ident">first</span>().<span class="ident">unwrap_or_else</span>(<span class="op">|</span><span class="op">|</span> {
|
||
<span class="macro">panic!</span>(<span class="string">"couldn't resolve MIME for file: {:?}"</span>, <span class="kw-2">&</span><span class="ident">path</span>)
|
||
});
|
||
<span class="kw">if</span> <span class="kw-2">&</span><span class="ident">file_mime</span> <span class="op">=</span><span class="op">=</span> <span class="ident">mime_type</span> {
|
||
<span class="ident">process_worker</span>(<span class="kw-2">&</span><span class="ident">path</span>);
|
||
}
|
||
}
|
||
}
|
||
<span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> <span class="ident">process_worker</span>(<span class="kw-2">&</span><span class="ident">path</span>),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="ident">file_map</span>.<span class="ident">to_env</span>();
|
||
<span class="prelude-val">Ok</span>(())
|
||
}
|
||
|
||
<span class="comment">// helper fn to read file to string</span>
|
||
<span class="kw">fn</span> <span class="ident">read_to_string</span>(<span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">Path</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span>, <span class="ident">Error</span><span class="op">></span> {
|
||
<span class="kw">use</span> <span class="ident">std::fs::File</span>;
|
||
<span class="kw">use</span> <span class="ident">std::io::Read</span>;
|
||
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">file_content</span> <span class="op">=</span> <span class="ident">Vec::new</span>();
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">file</span> <span class="op">=</span> <span class="ident">File::open</span>(<span class="ident">path</span>)<span class="question-mark">?</span>;
|
||
<span class="ident">file</span>.<span class="ident">read_to_end</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">file_content</span>).<span class="ident">expect</span>(<span class="string">"Unable to read"</span>);
|
||
<span class="prelude-val">Ok</span>(<span class="ident">file_content</span>)
|
||
}
|
||
|
||
<span class="comment">// helper fn to generate filemap</span>
|
||
<span class="kw">fn</span> <span class="ident">gen_map</span><span class="op"><</span><span class="lifetime">'b</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">source</span>: <span class="kw-2">&</span><span class="lifetime">'b</span> <span class="ident">Path</span>, <span class="ident">name</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> (<span class="kw-2">&</span><span class="lifetime">'b</span> <span class="ident">Path</span>, <span class="ident">PathBuf</span>) {
|
||
<span class="kw">let</span> <span class="ident">rel_location</span> <span class="op">=</span> <span class="ident">source</span>.<span class="ident">strip_prefix</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">source</span>).<span class="ident">unwrap</span>().<span class="ident">parent</span>().<span class="ident">unwrap</span>();
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">prefix</span>) <span class="op">=</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">prefix</span> {
|
||
<span class="comment">//panic!("{}", &prefix);</span>
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">result</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">result</span>.<span class="ident">as_str</span>();
|
||
<span class="kw">if</span> <span class="ident">result</span>.<span class="ident">starts_with</span>(<span class="string">'/'</span>) {
|
||
<span class="ident">result</span> <span class="op">=</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">result</span>[<span class="number">1</span>..];
|
||
}
|
||
<span class="kw">let</span> <span class="ident">destination</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="ident">prefix</span>)
|
||
.<span class="ident">join</span>(<span class="kw-2">&</span><span class="ident">result</span>)
|
||
.<span class="ident">join</span>(<span class="ident">rel_location</span>)
|
||
.<span class="ident">join</span>(<span class="ident">name</span>);
|
||
|
||
(<span class="ident">source</span>, <span class="ident">destination</span>)
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">let</span> <span class="ident">destination</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">result</span>).<span class="ident">join</span>(<span class="ident">rel_location</span>).<span class="ident">join</span>(<span class="ident">name</span>);
|
||
(<span class="ident">source</span>, <span class="ident">destination</span>)
|
||
}
|
||
}
|
||
|
||
<span class="comment">// helper fn to copy files</span>
|
||
<span class="kw">fn</span> <span class="ident">copy</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">source</span>: <span class="kw-2">&</span><span class="ident">Path</span>, <span class="ident">name</span>: <span class="kw-2">&</span><span class="ident">str</span>) {
|
||
<span class="kw">let</span> <span class="ident">rel_location</span> <span class="op">=</span> <span class="ident">source</span>.<span class="ident">strip_prefix</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">source</span>).<span class="ident">unwrap</span>().<span class="ident">parent</span>().<span class="ident">unwrap</span>();
|
||
<span class="kw">let</span> <span class="ident">destination</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">result</span>).<span class="ident">join</span>(<span class="ident">rel_location</span>).<span class="ident">join</span>(<span class="ident">name</span>);
|
||
<span class="ident">fs::copy</span>(<span class="ident">source</span>, <span class="kw-2">&</span><span class="ident">destination</span>).<span class="ident">unwrap</span>();
|
||
}
|
||
|
||
<span class="comment">// helper fn to create directory structure in self.base_dir</span>
|
||
<span class="kw">fn</span> <span class="ident">create_dir_structure</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">Path</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">Error</span><span class="op">></span> {
|
||
<span class="kw">for</span> <span class="ident">entry</span> <span class="kw">in</span> <span class="ident">WalkDir::new</span>(<span class="kw-2">&</span><span class="ident">path</span>)
|
||
.<span class="ident">follow_links</span>(<span class="self">self</span>.<span class="ident">follow_links</span>)
|
||
.<span class="ident">into_iter</span>()
|
||
{
|
||
<span class="kw">let</span> <span class="ident">entry</span> <span class="op">=</span> <span class="ident">entry</span><span class="question-mark">?</span>;
|
||
<span class="kw">let</span> <span class="ident">entry_path</span> <span class="op">=</span> <span class="ident">entry</span>.<span class="ident">path</span>();
|
||
<span class="kw">let</span> <span class="ident">entry_path</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">entry_path</span>);
|
||
|
||
<span class="kw">if</span> <span class="ident">entry_path</span>.<span class="ident">is_dir</span>() <span class="op">&&</span> <span class="ident">path</span> <span class="op">!</span><span class="op">=</span> <span class="ident">entry_path</span> {
|
||
<span class="self">Self</span><span class="ident">::create_dir_structure</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">entry_path</span>)<span class="question-mark">?</span>;
|
||
} <span class="kw">else</span> <span class="kw">if</span> <span class="ident">entry_path</span>.<span class="ident">is_dir</span>() {
|
||
<span class="kw">let</span> <span class="ident">rel_location</span> <span class="op">=</span> <span class="ident">entry_path</span>.<span class="ident">strip_prefix</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">source</span>).<span class="ident">unwrap</span>();
|
||
<span class="kw">let</span> <span class="ident">destination</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">result</span>).<span class="ident">join</span>(<span class="ident">rel_location</span>);
|
||
<span class="kw">if</span> <span class="op">!</span><span class="ident">destination</span>.<span class="ident">exists</span>() {
|
||
<span class="ident">fs::create_dir</span>(<span class="ident">destination</span>)<span class="question-mark">?</span>
|
||
}
|
||
}
|
||
}
|
||
<span class="prelude-val">Ok</span>(())
|
||
}
|
||
}
|
||
<span class="doccomment">/// Filemap struct</span>
|
||
<span class="doccomment">///</span>
|
||
<span class="doccomment">/// maps original names to generated names</span>
|
||
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">PartialEq</span>, <span class="ident">Clone</span>, <span class="ident">Serialize</span>, <span class="ident">Deserialize</span>)]</span>
|
||
<span class="kw">struct</span> <span class="ident">Files</span> {
|
||
<span class="doccomment">/// filemap<original-path, modified-path></span>
|
||
<span class="kw">pub</span> <span class="ident">map</span>: <span class="ident">HashMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">String</span><span class="op">></span>,
|
||
<span class="ident">base_dir</span>: <span class="ident">String</span>,
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">Files</span> {
|
||
<span class="doccomment">/// Initialize map</span>
|
||
<span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">base_dir</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> {
|
||
<span class="ident">Files</span> {
|
||
<span class="ident">map</span>: <span class="ident">HashMap::default</span>(),
|
||
<span class="ident">base_dir</span>: <span class="ident">base_dir</span>.<span class="ident">into</span>(),
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// Create file map: map original path to modified paths</span>
|
||
<span class="kw">fn</span> <span class="ident">add</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">k</span>: <span class="ident">String</span>, <span class="ident">v</span>: <span class="ident">String</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="ident">std::collections::hash_map::Entry::Vacant</span>(<span class="ident">e</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">map</span>.<span class="ident">entry</span>(<span class="ident">k</span>) {
|
||
<span class="ident">e</span>.<span class="ident">insert</span>(<span class="ident">v</span>);
|
||
<span class="prelude-val">Ok</span>(())
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Err</span>(<span class="string">"key exists"</span>)
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// This crate uses compile-time environment variables to transfer</span>
|
||
<span class="doccomment">/// data to the main program. This funtction sets that variable</span>
|
||
<span class="kw">fn</span> <span class="ident">to_env</span>(<span class="kw-2">&</span><span class="self">self</span>) {
|
||
<span class="kw">let</span> <span class="ident">json</span> <span class="op">=</span> <span class="ident">serde_json::to_string</span>(<span class="kw-2">&</span><span class="self">self</span>).<span class="ident">unwrap</span>();
|
||
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="ident">CACHE_BUSTER_DATA_FILE</span>);
|
||
<span class="kw">if</span> <span class="ident">res</span>.<span class="ident">exists</span>() {
|
||
<span class="ident">fs::remove_file</span>(<span class="kw-2">&</span><span class="ident">res</span>).<span class="ident">unwrap</span>();
|
||
}
|
||
<span class="ident">fs::write</span>(<span class="ident">CACHE_BUSTER_DATA_FILE</span>, <span class="kw-2">&</span><span class="ident">json</span>).<span class="ident">unwrap</span>();
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
|
||
<span class="doccomment">/// Load filemap in main program. Should be called from main program</span>
|
||
<span class="kw">fn</span> <span class="ident">load</span>() <span class="op">-</span><span class="op">></span> <span class="self">Self</span> {
|
||
<span class="kw">let</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">fs::read_to_string</span>(<span class="ident">CACHE_BUSTER_DATA_FILE</span>).<span class="ident">unwrap</span>();
|
||
<span class="kw">let</span> <span class="ident">res</span>: <span class="ident">Files</span> <span class="op">=</span> <span class="ident">serde_json::from_str</span>(<span class="kw-2">&</span><span class="ident">map</span>).<span class="ident">unwrap</span>();
|
||
<span class="ident">res</span>
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
|
||
<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">tests</span> {
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
|
||
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">cleanup</span>(<span class="ident">config</span>: <span class="kw-2">&</span><span class="ident">Buster</span>) {
|
||
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">fs::remove_dir_all</span>(<span class="kw-2">&</span><span class="ident">config</span>.<span class="ident">result</span>);
|
||
<span class="ident">delete_file</span>();
|
||
}
|
||
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">delete_file</span>() {
|
||
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">fs::remove_file</span>(<span class="kw-2">&</span><span class="ident">CACHE_BUSTER_DATA_FILE</span>);
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">no_hash_validation_works</span>() {
|
||
<span class="kw">let</span> <span class="ident">types</span> <span class="op">=</span> <span class="macro">vec!</span>[
|
||
<span class="ident">mime::IMAGE_PNG</span>,
|
||
<span class="ident">mime::IMAGE_SVG</span>,
|
||
<span class="ident">mime::IMAGE_JPEG</span>,
|
||
<span class="ident">mime::IMAGE_GIF</span>,
|
||
];
|
||
|
||
<span class="kw">let</span> <span class="ident">no_hash</span> <span class="op">=</span> <span class="macro">vec!</span>[<span class="string">"bbell.svg"</span>, <span class="string">"eye.svg"</span>, <span class="string">"a/b/c/d/s/d/svg/10.svg"</span>];
|
||
<span class="macro">assert!</span>(<span class="ident">BusterBuilder::default</span>()
|
||
.<span class="ident">source</span>(<span class="string">"./dist"</span>)
|
||
.<span class="ident">result</span>(<span class="string">"/tmp/prod2i"</span>)
|
||
.<span class="ident">mime_types</span>(<span class="ident">types</span>)
|
||
.<span class="ident">copy</span>(<span class="bool-val">true</span>)
|
||
.<span class="ident">follow_links</span>(<span class="bool-val">true</span>)
|
||
.<span class="ident">prefix</span>(<span class="string">"/test"</span>)
|
||
.<span class="ident">no_hash</span>(<span class="ident">no_hash</span>.<span class="ident">clone</span>())
|
||
.<span class="ident">build</span>()
|
||
.<span class="ident">is_err</span>())
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">no_specific_mime</span>() {
|
||
<span class="ident">delete_file</span>();
|
||
<span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">thread</span>, <span class="ident">time</span>};
|
||
|
||
<span class="kw">let</span> <span class="ident">sleep</span> <span class="op">=</span> <span class="ident">time::Duration::from_secs</span>(<span class="number">4</span>);
|
||
|
||
<span class="ident">thread::sleep</span>(<span class="ident">sleep</span>);
|
||
|
||
<span class="kw">const</span> <span class="ident">WASM</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"858fd6c482cc75111d54.module.wasm"</span>;
|
||
<span class="kw">let</span> <span class="ident">no_hash</span> <span class="op">=</span> <span class="macro">vec!</span>[<span class="ident">WASM</span>, <span class="string">"bell.svg"</span>, <span class="string">"eye.svg"</span>, <span class="string">"a/b/c/d/s/d/svg/10.svg"</span>];
|
||
<span class="kw">let</span> <span class="ident">config</span> <span class="op">=</span> <span class="ident">BusterBuilder::default</span>()
|
||
.<span class="ident">source</span>(<span class="string">"./dist"</span>)
|
||
.<span class="ident">result</span>(<span class="string">"/tmp/prod2ii"</span>)
|
||
.<span class="ident">copy</span>(<span class="bool-val">true</span>)
|
||
.<span class="ident">follow_links</span>(<span class="bool-val">true</span>)
|
||
.<span class="ident">no_hash</span>(<span class="ident">no_hash</span>.<span class="ident">clone</span>())
|
||
.<span class="ident">build</span>()
|
||
.<span class="ident">unwrap</span>();
|
||
<span class="ident">config</span>.<span class="ident">process</span>().<span class="ident">unwrap</span>();
|
||
<span class="kw">let</span> <span class="ident">files</span> <span class="op">=</span> <span class="ident">Files::load</span>();
|
||
|
||
<span class="kw">let</span> <span class="ident">no_hash_file</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">config</span>.<span class="ident">result</span>).<span class="ident">join</span>(<span class="ident">WASM</span>);
|
||
<span class="macro">assert!</span>(<span class="ident">files</span>.<span class="ident">map</span>.<span class="ident">iter</span>().<span class="ident">any</span>(<span class="op">|</span>(<span class="ident">k</span>, <span class="ident">v</span>)<span class="op">|</span> {
|
||
<span class="kw">let</span> <span class="ident">source</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">config</span>.<span class="ident">source</span>).<span class="ident">join</span>(<span class="ident">k</span>);
|
||
<span class="kw">let</span> <span class="ident">dest</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">v</span>);
|
||
<span class="ident">dest</span>.<span class="ident">file_name</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">no_hash_file</span>.<span class="ident">file_name</span>()
|
||
<span class="op">&&</span> <span class="ident">dest</span>.<span class="ident">exists</span>()
|
||
<span class="op">&&</span> <span class="ident">source</span>.<span class="ident">file_name</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">dest</span>.<span class="ident">file_name</span>()
|
||
}));
|
||
|
||
<span class="ident">no_hash</span>.<span class="ident">iter</span>().<span class="ident">for_each</span>(<span class="op">|</span><span class="ident">file</span><span class="op">|</span> {
|
||
<span class="macro">assert!</span>(<span class="ident">files</span>.<span class="ident">map</span>.<span class="ident">iter</span>().<span class="ident">any</span>(<span class="op">|</span>(<span class="ident">k</span>, <span class="ident">v</span>)<span class="op">|</span> {
|
||
<span class="kw">let</span> <span class="ident">source</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="ident">k</span>);
|
||
<span class="kw">let</span> <span class="ident">dest</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">v</span>);
|
||
<span class="kw">let</span> <span class="ident">no_hash</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="ident">file</span>);
|
||
<span class="ident">source</span> <span class="op">=</span><span class="op">=</span> <span class="kw-2">&</span><span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">config</span>.<span class="ident">source</span>).<span class="ident">join</span>(<span class="ident">file</span>)
|
||
<span class="op">&&</span> <span class="ident">dest</span>.<span class="ident">exists</span>()
|
||
<span class="op">&&</span> <span class="ident">no_hash</span>.<span class="ident">file_name</span>() <span class="op">=</span><span class="op">=</span> <span class="ident">dest</span>.<span class="ident">file_name</span>()
|
||
}));
|
||
});
|
||
|
||
<span class="kw">for</span> (<span class="ident">k</span>, <span class="ident">v</span>) <span class="kw">in</span> <span class="ident">files</span>.<span class="ident">map</span>.<span class="ident">iter</span>() {
|
||
<span class="kw">let</span> <span class="ident">src</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">k</span>);
|
||
<span class="kw">let</span> <span class="ident">dest</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">v</span>);
|
||
|
||
<span class="macro">assert_eq!</span>(<span class="ident">src</span>.<span class="ident">exists</span>(), <span class="ident">dest</span>.<span class="ident">exists</span>());
|
||
}
|
||
|
||
<span class="ident">cleanup</span>(<span class="kw-2">&</span><span class="ident">config</span>);
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">prefix_works</span>() {
|
||
<span class="ident">delete_file</span>();
|
||
<span class="kw">let</span> <span class="ident">types</span> <span class="op">=</span> <span class="macro">vec!</span>[
|
||
<span class="ident">mime::IMAGE_PNG</span>,
|
||
<span class="ident">mime::IMAGE_SVG</span>,
|
||
<span class="ident">mime::IMAGE_JPEG</span>,
|
||
<span class="ident">mime::IMAGE_GIF</span>,
|
||
];
|
||
|
||
<span class="kw">let</span> <span class="ident">config</span> <span class="op">=</span> <span class="ident">BusterBuilder::default</span>()
|
||
.<span class="ident">source</span>(<span class="string">"./dist"</span>)
|
||
.<span class="ident">result</span>(<span class="string">"/tmp/prod2i"</span>)
|
||
.<span class="ident">mime_types</span>(<span class="ident">types</span>)
|
||
.<span class="ident">copy</span>(<span class="bool-val">true</span>)
|
||
.<span class="ident">follow_links</span>(<span class="bool-val">true</span>)
|
||
.<span class="ident">prefix</span>(<span class="string">"/test"</span>)
|
||
.<span class="ident">build</span>()
|
||
.<span class="ident">unwrap</span>();
|
||
|
||
<span class="ident">config</span>.<span class="ident">process</span>().<span class="ident">unwrap</span>();
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">files</span> <span class="op">=</span> <span class="ident">Files::load</span>();
|
||
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">prefix</span>) <span class="op">=</span> <span class="kw-2">&</span><span class="ident">config</span>.<span class="ident">prefix</span> {
|
||
<span class="kw">for</span> (<span class="ident">k</span>, <span class="ident">v</span>) <span class="kw">in</span> <span class="ident">files</span>.<span class="ident">map</span>.<span class="ident">drain</span>() {
|
||
<span class="kw">let</span> <span class="ident">src</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">k</span>);
|
||
<span class="kw">let</span> <span class="ident">dest</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">v</span>[<span class="ident">prefix</span>.<span class="ident">len</span>()..]);
|
||
|
||
<span class="macro">assert_eq!</span>(<span class="ident">src</span>.<span class="ident">exists</span>(), <span class="ident">dest</span>.<span class="ident">exists</span>());
|
||
}
|
||
}
|
||
|
||
<span class="ident">cleanup</span>(<span class="kw-2">&</span><span class="ident">config</span>);
|
||
}
|
||
|
||
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">runner</span>() {
|
||
<span class="ident">prefix_works</span>();
|
||
<span class="ident">no_specific_mime</span>();
|
||
}
|
||
}
|
||
</pre></div>
|
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