add describe slides

describe/describe.md

@@ -0,0 +1,61 @@
+!SLIDE
+
+# Describing Commits #
+
+!SLIDE code
+
+# git describe #
+
+!SLIDE commandline incremental
+
+	$ git describe HEAD
+	v0.2.4-25-g8a3f93b
+
+	$ git describe HEAD@{1.month.ago}
+	v0.2.4-6-gf51a8ba
+
+	$ git describe 9903167e0c638d0e134d7e23bd43e66d97a51401
+	v0.1.4-46-g9903167
+
+!SLIDE code
+
+# git name-rev #
+
+!SLIDE commandline incremental
+
+	$ git name-rev 9903167e0c638d0e134d7e23bd43e66d97a51401
+	9903167e0c638d0e134d7e23bd43e66d97a51401 tags/v0.2.0~4
+
+	$ git name-rev --name-only 9903167e0c638d0e134d7e23bd43e66d97a51401
+	tags/v0.2.0~4
+
+	$ git name-rev --name-only --refs=refs/heads/* 9903167e0c638d0e134d7e23bd43e66d97a51401
+	master~36
+
+	$ git describe 9903167e0c638d0e134d7e23bd43e66d97a51401
+	v0.1.4-46-g9903167
+
+!SLIDE commandline incremental
+
+	$ git config --global alias.human \
+	  "name-rev --name-only --refs=refs/heads/*"
+
+	$ git human 6507580497bd4ebc1c73373528d16a5608797ad0
+	master~2^2~1^2
+
+	$ git log --oneline --decorate --graph
+	* e6e8f33 (HEAD, tag: v0.2.5, master) updated to 0.2.5
+	* 8a3f93b stupid scott. messed up the results text color
+	*   944de04 Merge remote branch 'rosskaff/master'
+	|\  
+	| * fc0e20c (rosskaff/master) Updgrade to jquery-1.4.2
+	* |   aa55e9b Merge remote branch 'luniki/events'
+	|\ \  
+	| * | 4f808d2 trigger custom events on showing, and jumping to next or prev slide
+	| |/  
+	* |   0d44711 Merge remote branch 'rick/master'
+	|\| 
+	| *   87df635 (luniki/master) Merge branch 'update_readme' of git://github.com/ramereth/showoff
+	| |\  
+	| | * 6507580 Add links to my osbridge ganeti presentation
+	| * | dd2357b added my talk to README