FIX: Escape colon in JupyterHub link to repo (#556)

Author: matthew-brett

src/sphinx_book_theme/header_buttons/launch.py

@@ -1,5 +1,6 @@
 from pathlib import Path
 from typing import Any, Dict, Optional
+from urllib.parse import urlencode
 
 from docutils.nodes import document
 from sphinx.application import Sphinx
@@ -118,10 +119,13 @@ def add_launch_buttons(
         )
 
     if jupyterhub_url:
-        url = (
-            f"{jupyterhub_url}/hub/user-redirect/git-pull?"
-            f"repo={repo_url}&urlpath={ui_pre}/{repo}/{path_rel_repo}&branch={branch}"
+        url_params = urlencode(
+            dict(
+                repo=repo_url, urlpath=f"{ui_pre}/{repo}/{path_rel_repo}", branch=branch
+            ),
+            safe="/",
         )
+        url = f"{jupyterhub_url}/hub/user-redirect/git-pull?{url_params}"
         launch_buttons_list.append(
             {
                 "type": "link",

tests/test_build/build__header-article.html

@@ -27,7 +27,7 @@
        </a>
       </li>
       <li>
-       <a class="headerbtn" data-placement="left" data-toggle="tooltip" href="https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https://github.com/executablebooks/sphinx-book-theme&amp;urlpath=lab/tree/sphinx-book-theme/TESTPATH/section1/ntbk.ipynb&amp;branch=master" title="Launch on JupyterHub">
+       <a class="headerbtn" data-placement="left" data-toggle="tooltip" href="https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A//github.com/executablebooks/sphinx-book-theme&amp;urlpath=lab/tree/sphinx-book-theme/TESTPATH/section1/ntbk.ipynb&amp;branch=master" title="Launch on JupyterHub">
         <span class="headerbtn__icon-container">
          <img src="../_static/images/logo_jupyterhub.svg"/>
         </span>

tests/test_build/test_header_launchbtns.html

@@ -16,7 +16,7 @@
     </a>
    </li>
    <li>
-    <a class="headerbtn" data-placement="left" data-toggle="tooltip" href="https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https://github.com/executablebooks/sphinx-book-theme&amp;urlpath=lab/tree/sphinx-book-theme/TESTPATH/section1/ntbk.ipynb&amp;branch=master" title="Launch on JupyterHub">
+    <a class="headerbtn" data-placement="left" data-toggle="tooltip" href="https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A//github.com/executablebooks/sphinx-book-theme&amp;urlpath=lab/tree/sphinx-book-theme/TESTPATH/section1/ntbk.ipynb&amp;branch=master" title="Launch on JupyterHub">
      <span class="headerbtn__icon-container">
       <img src="../_static/images/logo_jupyterhub.svg"/>
      </span>

tests/test_build/test_topbar_launchbtns.html

@@ -16,7 +16,7 @@
     </a>
    </li>
    <li>
-    <a class="headerbtn" data-placement="left" data-toggle="tooltip" href="https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https://github.com/executablebooks/sphinx-book-theme&amp;urlpath=lab/tree/sphinx-book-theme/TESTPATH/section1/ntbk.ipynb&amp;branch=master" title="Launch on JupyterHub">
+    <a class="headerbtn" data-placement="left" data-toggle="tooltip" href="https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A//github.com/executablebooks/sphinx-book-theme&amp;urlpath=lab/tree/sphinx-book-theme/TESTPATH/section1/ntbk.ipynb&amp;branch=master" title="Launch on JupyterHub">
      <span class="headerbtn__icon-container">
       <img src="../_static/images/logo_jupyterhub.svg"/>
      </span>