From 0e6605d7a4ee59e16d52fd93e037b5608fd5f61f Mon Sep 17 00:00:00 2001
From: Sebastian Thiel <byronimo@gmail.com>
Date: Sun, 10 May 2015 09:10:18 +0200
Subject: [PATCH] feat(index.html): added back-link to crates.io

* url is created per-API and features a nice crates image coming
  from githubusercontent.

Closes #105
[skip ci]
---
 etc/api/shared.yaml      | 3 +++
 src/mako/index.html.mako | 5 ++++-
 src/mako/lib/util.py     | 3 +++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/etc/api/shared.yaml b/etc/api/shared.yaml
index 06db9c3f25..70d359cb59 100644
--- a/etc/api/shared.yaml
+++ b/etc/api/shared.yaml
@@ -17,6 +17,9 @@ make:
   types:
     - api
     - cli
+html_index:
+  asset_urls:
+    crates_img: https://raw.githubusercontent.com/rust-lang/crates.io/master/public/favicon.ico
 directories:
   # directory under which all generated sources should reside
   output: gen
diff --git a/src/mako/index.html.mako b/src/mako/index.html.mako
index 2e2b2694f5..78601da82d 100644
--- a/src/mako/index.html.mako
+++ b/src/mako/index.html.mako
@@ -1,7 +1,7 @@
 <%
     import os
     import yaml
-    from util import (gen_crate_dir, api_index)
+    from util import (gen_crate_dir, api_index, crates_io_url)
 
     title = 'Google Service Documentation for Rust'
 
@@ -68,6 +68,9 @@ DO NOT EDIT !
         % for api_name in type_names:
             <% ad = tc[api_name] %>
             <a class="mod" href="${api_index(DOC_ROOT, an, v, ad.make)}" title="${ad.make.id.upper()} docs for the ${an} ${v}">${ad.make.id.upper()}</a>
+            % if api_name == 'api':
+            <a href="${crates_io_url(an, v)}"><img src="${html_index.asset_urls.crates_img}" title="This API on crates.io" height="16" width="16"/></a>
+            % endif
             % if not loop.last:
 , 
             % endif
diff --git a/src/mako/lib/util.py b/src/mako/lib/util.py
index 259cc344b7..b5e547e7f5 100644
--- a/src/mako/lib/util.py
+++ b/src/mako/lib/util.py
@@ -832,6 +832,9 @@ def to_extern_crate_name(crate_name):
 def gen_crate_dir(name, version, ti):
     return to_extern_crate_name(library_to_crate_name(library_name(name, version), ti.target_suffix))
 
+def crates_io_url(name, version):
+    return "https://crates.io/crates/%s" % library_to_crate_name(library_name(name, version))
+
 def api_index(DOC_ROOT, name, version, ti, check_exists=True):
     crate_dir = gen_crate_dir(name, version, ti)
     if ti.documentation_engine == 'rustdoc':