Merge pull request #208 from github/section-headers

Tune up opening slides to each module of class

Author: Matthew McCullough

advanced/beta.md

@@ -8,13 +8,22 @@ This curriculum will be your companion to the GitHub Advanced class taught by th
 
 {% capture slide %}
 ### Understanding Git
+* Based on classic graph and hashing concepts
+* SHA1 as the core hashing algorithm
+* Linked-list-like data structure
+* Built-in data integrity
 {% endcapture %}
 {% include slide-section %}
 
-* Directed acyclic graph
+{% capture slide %}
+#### Data structure
+* Directed acyclic graph of commits
+* Commit object
 * Tree object
 * Blob object
-* SHA1
+* SHA1 hash of commit, tree, blob
+{% endcapture %}
+{% include slide-section %}
 
 {% capture svg_path %}../assets/diagrams/commit-data-structure.svg{% endcapture %}
 {% include svg %}
@@ -42,7 +51,7 @@ HEAD@{today}
 
 
 {% capture slide %}
-### Common branching strategies
+### Branching strategies
 {% endcapture %}
 {% include slide-section %}
 
@@ -103,8 +112,13 @@ These are called Branching Strategies, but are just as easily called *Team Colla
 * Continuous integration
 
 #### Further reading
-* [Validated Build Promotions with Git, GitHub, and Jenkins](http://www.youtube.com/watch?v=Gd8OfAmKkMQ)
+[Validated Build Promotions with Git, GitHub, and Jenkins](http://www.youtube.com/watch?v=Gd8OfAmKkMQ)
 
+<iframe width="640" height="480" src="//www.youtube-nocookie.com/embed/Gd8OfAmKkMQ?rel=0" frameborder="0" allowfullscreen></iframe>
+
+[Git and GitHub Workflows at the Utah JUG](https://speakerdeck.com/matthewmccullough/git-and-github-workflows-at-the-utah-jug)
+
+<script async class="speakerdeck-embed" data-id="111dc3201094013231b066d414c0f9a8" data-ratio="1.77777777777778" src="//speakerdeck.com/assets/embed.js"></script>
 
 {% capture slide %}
 ### Git-core GUIs
@@ -805,26 +819,74 @@ A sample `.gitconfig` file:
 {% endcapture %}
 {% include slide-section %}
 
-#### Summary
+{% capture slide %}
+#### What are refspecs?
 * Specification for retrieval and pushing
 * Implied on fetch, pull, and push
 * Altered by option switches like `--tags`
 * Stored in `.git/config`
 * Ability to retrieve Pull Request branches
+{% endcapture %}
+{% include slide-section %}
+
+{% capture slide %}
+#### Refspec examples
 
 ```
+# Source and destination refspecs
 $ git fetch [repo-url] [source]:[destination]
+
+$ git fetch [repo-url] master
+ * branch     master     -> FETCH_HEAD
+
+$ git fetch origin refs/pull/1/head
+ * branch     refs/pull/1/head -> FETCH_HEAD
+```
+{% endcapture %}
+{% include slide-section %}
+
+{% capture slide %}
+#### Refspec to retrieve pull requests
+
+```
 $ git config --add remote.[upstream].fetch "+refs/pull/*/head:refs/remotes/[upstream]/pull/*"
 ```
+{% endcapture %}
+{% include slide-section %}
+
+
+{% capture slide %}
+#### Git Refspec Documentation
+* [Git `rev-parse` command and reference specifications](https://www.kernel.org/pub/software/scm/git/docs/git-rev-parse.html)
+* [ProGit book chapter on refspecs](http://git-scm.com/book/en/Git-Internals-The-Refspec)
+{% endcapture %}
+{% include slide-section %}
+
+
 
 {% capture slide %}
 ### Additional Resources
+This course covers many advanced uses of Git and GitHub, and yet there is still more to explore. We've included some of the most useful resources for our students with insatiable appetites. 
+{% endcapture %}
+{% include slide-section %}
+
+{% capture slide %}
+#### Advanced Git Videos
+* [Advanced Git, presented at JavaZone](http://vimeo.com/49444883)
+* [Mastering Advanced Git, O'Reilly video series](http://bit.ly/ogitvid2)
+* [The Fringes of Git, Git internals video](http://www.youtube.com/watch?v=qh-R0-7Ii_U)
+{% endcapture %}
+{% include slide-section %}
+
+{% capture slide %}
+#### Tools
+* [`gh`, GitHub command line utility](https://github.com/jingweno/gh)
+* [oh-my-zsh, ZSH plugin framework](https://github.com/robbyrussell/oh-my-zsh)
 {% endcapture %}
 {% include slide-section %}
 
-* [Advanced Git presented at JavaZone](http://vimeo.com/49444883)
-* [Master Advanced Git Video Series](http://bit.ly/ogitvid2)
-* [The Fringes of Git](http://www.youtube.com/watch?v=qh-R0-7Ii_U)
-* [Git Notes & GitHub](http://vimeo.com/34273537)
-* [GitHub Command line client](https://github.com/jingweno/gh)
-* [Oh-my-zsh ZSH configuration](https://github.com/robbyrussell/oh-my-zsh)
+{% capture slide %}
+#### Git Documentation
+* [Git `man` page command documentation](https://www.kernel.org/pub/software/scm/git/docs/git.html)
+{% endcapture %}
+{% include slide-section %}