Add Cargo package registry (#21888)

This PR implements a [Cargo registry](https://doc.rust-lang.org/cargo/)
to manage Rust packages. This package type was a little bit more
complicated because Cargo needs an additional Git repository to store
its package index.

Screenshots:

![grafik](https://user-images.githubusercontent.com/1666336/203102004-08d812ac-c066-4969-9bda-2fed818554eb.png)

![grafik](https://user-images.githubusercontent.com/1666336/203102141-d9970f14-dca6-4174-b17a-50ba1bd79087.png)

![grafik](https://user-images.githubusercontent.com/1666336/203102244-dc05743b-78b6-4d97-998e-ef76341a978f.png)

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

7 files changed, 98 insertions, 0 deletions

diff --git a/templates/org/settings/packages.tmpl b/templates/org/settings/packages.tmpl
index 412a9813c2..04e5d45b50 100644
--- a/templates/org/settings/packages.tmpl
+++ b/templates/org/settings/packages.tmpl
@@ -7,6 +7,7 @@
 			<div class="twelve wide column content">
 				{{template "base/alert" .}}
 				{{template "package/shared/cleanup_rules/list" .}}
+				{{template "package/shared/cargo" .}}
 			</div>
 		</div>
 	</div>
diff --git a/templates/package/content/cargo.tmpl b/templates/package/content/cargo.tmpl
new file mode 100644
index 0000000000..54c40a5b0d
--- /dev/null
+++ b/templates/package/content/cargo.tmpl
@@ -0,0 +1,62 @@
+{{if eq .PackageDescriptor.Package.Type "cargo"}}
+	<h4 class="ui top attached header">{{.locale.Tr "packages.installation"}}</h4>
+	<div class="ui attached segment">
+		<div class="ui form">
+			<div class="field">
+				<label>{{svg "octicon-code"}} {{.locale.Tr "packages.cargo.registry" | Safe}}</label>
+				<div class="markup"><pre class="code-block"><code>[registry]
+default = "gitea"
+
+[registries.gitea]
+index = "{{AppUrl}}{{.PackageDescriptor.Owner.Name}}/_cargo-index.git"
+
+[net]
+git-fetch-with-cli = true</code></pre></div>
+			</div>
+			<div class="field">
+				<label>{{svg "octicon-terminal"}} {{.locale.Tr "packages.cargo.install"}}</label>
+				<div class="markup"><pre class="code-block"><code>cargo add {{.PackageDescriptor.Package.Name}}@{{.PackageDescriptor.Version.Version}}</code></pre></div>
+			</div>
+			<div class="field">
+				<label>{{.locale.Tr "packages.cargo.documentation" | Safe}}</label>
+			</div>
+		</div>
+	</div>
+
+	{{if or .PackageDescriptor.Metadata.Description .PackageDescriptor.Metadata.Readme}}
+		<h4 class="ui top attached header">{{.locale.Tr "packages.about"}}</h4>
+		{{if .PackageDescriptor.Metadata.Description}}<div class="ui attached segment">{{.PackageDescriptor.Metadata.Description}}</div>{{end}}
+		{{if .PackageDescriptor.Metadata.Readme}}<div class="ui attached segment">{{RenderMarkdownToHtml .PackageDescriptor.Metadata.Readme}}</div>{{end}}
+	{{end}}
+
+	{{if .PackageDescriptor.Metadata.Dependencies}}
+		<h4 class="ui top attached header">{{.locale.Tr "packages.dependencies"}}</h4>
+		<div class="ui attached segment">
+			<table class="ui single line very basic table">
+				<thead>
+					<tr>
+						<th class="ten wide">{{.locale.Tr "packages.dependency.id"}}</th>
+						<th class="six wide">{{.locale.Tr "packages.dependency.version"}}</th>
+					</tr>
+				</thead>
+				<tbody>
+					{{range .PackageDescriptor.Metadata.Dependencies}}
+					<tr>
+						<td>{{.Name}}</td>
+						<td>{{.Req}}</td>
+					</tr>
+					{{end}}
+				</tbody>
+			</table>
+		</div>
+	{{end}}
+
+	{{if .PackageDescriptor.Metadata.Keywords}}
+		<h4 class="ui top attached header">{{.locale.Tr "packages.keywords"}}</h4>
+		<div class="ui attached segment">
+			{{range .PackageDescriptor.Metadata.Keywords}}
+				{{.}}
+			{{end}}
+		</div>
+	{{end}}
+{{end}}
diff --git a/templates/package/metadata/cargo.tmpl b/templates/package/metadata/cargo.tmpl
new file mode 100644
index 0000000000..68232d4832
--- /dev/null
+++ b/templates/package/metadata/cargo.tmpl
@@ -0,0 +1,7 @@
+{{if eq .PackageDescriptor.Package.Type "cargo"}}
+	{{range .PackageDescriptor.Metadata.Authors}}<div class="item" title="{{$.locale.Tr "packages.details.author"}}">{{svg "octicon-person" 16 "mr-3"}} {{.}}</div>{{end}}
+	{{if .PackageDescriptor.Metadata.ProjectURL}}<div class="item">{{svg "octicon-link-external" 16 "mr-3"}} <a href="{{.PackageDescriptor.Metadata.ProjectURL}}" target="_blank" rel="noopener noreferrer me">{{.locale.Tr "packages.details.project_site"}}</a></div>{{end}}
+	{{if .PackageDescriptor.Metadata.RepositoryURL}}<div class="item">{{svg "octicon-link-external" 16 "mr-3"}} <a href="{{.PackageDescriptor.Metadata.RepositoryURL}}" target="_blank" rel="noopener noreferrer me">{{.locale.Tr "packages.cargo.details.repository_site"}}</a></div>{{end}}
+	{{if .PackageDescriptor.Metadata.DocumentationURL}}<div class="item">{{svg "octicon-link-external" 16 "mr-3"}} <a href="{{.PackageDescriptor.Metadata.DocumentationURL}}" target="_blank" rel="noopener noreferrer me">{{.locale.Tr "packages.cargo.details.documentation_site"}}</a></div>{{end}}
+	{{if .PackageDescriptor.Metadata.License}}<div class="item" title="{{$.locale.Tr "packages.details.license"}}">{{svg "octicon-law" 16 "mr-3"}} {{.PackageDescriptor.Metadata.License}}</div>{{end}}
+{{end}}
diff --git a/templates/package/shared/cargo.tmpl b/templates/package/shared/cargo.tmpl
new file mode 100644
index 0000000000..b9c2ef4d2b
--- /dev/null
+++ b/templates/package/shared/cargo.tmpl
@@ -0,0 +1,24 @@
+<h4 class="ui top attached header">
+	{{.locale.Tr "packages.owner.settings.cargo.title"}}
+</h4>
+<div class="ui attached segment">
+	<div class="ui form">
+		<div class="field">
+			<label>{{$.locale.Tr "packages.owner.settings.cargo.initialize.description"}}</label>
+		</div>
+		<form class="field" action="{{.Link}}/cargo/initialize" method="post">
+			{{.CsrfTokenHtml}}
+			<button class="ui green button">{{$.locale.Tr "packages.owner.settings.cargo.initialize"}}</button>
+		</form>
+		<div class="field">
+			<label>{{$.locale.Tr "packages.owner.settings.cargo.rebuild.description"}}</label>
+		</div>
+		<form class="field" action="{{.Link}}/cargo/rebuild" method="post">
+			{{.CsrfTokenHtml}}
+			<button class="ui green button">{{$.locale.Tr "packages.owner.settings.cargo.rebuild"}}</button>
+		</form>
+		<div class="field">
+			<label>{{.locale.Tr "packages.cargo.documentation" | Safe}}</label>
+		</div>
+	</div>
+</div>
diff --git a/templates/package/view.tmpl b/templates/package/view.tmpl
index 4611cdb8d8..6209e6cb02 100644
--- a/templates/package/view.tmpl
+++ b/templates/package/view.tmpl
@@ -19,6 +19,7 @@
 					<div class="ui divider"></div>
 				</div>
 				<div class="twelve wide column">
+					{{template "package/content/cargo" .}}
 					{{template "package/content/composer" .}}
 					{{template "package/content/conan" .}}
 					{{template "package/content/conda" .}}
@@ -43,6 +44,7 @@
 							{{end}}
 							<div class="item">{{svg "octicon-calendar" 16 "mr-3"}} {{TimeSinceUnix .PackageDescriptor.Version.CreatedUnix $.locale}}</div>
 							<div class="item">{{svg "octicon-download" 16 "mr-3"}} {{.PackageDescriptor.Version.DownloadCount}}</div>
+							{{template "package/metadata/cargo" .}}
 							{{template "package/metadata/composer" .}}
 							{{template "package/metadata/conan" .}}
 							{{template "package/metadata/conda" .}}
diff --git a/templates/swagger/v1_json.tmpl b/templates/swagger/v1_json.tmpl
index 5a3f2c2bb9..d6e3009b35 100644
--- a/templates/swagger/v1_json.tmpl
+++ b/templates/swagger/v1_json.tmpl
@@ -2100,6 +2100,7 @@
           },
           {
             "enum": [
+              "cargo",
               "composer",
               "conan",
               "conda",
diff --git a/templates/user/settings/packages.tmpl b/templates/user/settings/packages.tmpl
index 9aae14f934..472d84327a 100644
--- a/templates/user/settings/packages.tmpl
+++ b/templates/user/settings/packages.tmpl
@@ -4,6 +4,7 @@
 	<div class="ui container">
 		{{template "base/alert" .}}
 		{{template "package/shared/cleanup_rules/list" .}}
+		{{template "package/shared/cargo" .}}
 	</div>
 </div>
 {{template "base/footer" .}}