completion: output a bash completion script

3 files changed, 14 insertions, 0 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 3ccc2ca..93a4903 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,9 @@
 = Recent Changes in HCl
 
+== v0.4.4
+
+* added completion command to output a Bash completion script
+
 == v0.4.3
 
 * added cancel command to delete the last running timer, closes #13
diff --git a/README.markdown b/README.markdown
index 67fbaf1..959d6b9 100644
--- a/README.markdown
+++ b/README.markdown
@@ -96,6 +96,12 @@ the same arguments as start:
 
 The above starts and immediately stops a one-hour timer with the given note.
 
+### Bash Auto-completion of Task Aliases
+
+You can enable auto-completion of task aliases by adding this to your bashrc:
+
+    eval `hcl completion`
+
 ### Date Formats
 
 Dates can be expressed in a variety of ways. See the [Chronic documentation][cd]
diff --git a/lib/hcl/commands.rb b/lib/hcl/commands.rb
index 250ec0e..254138e 100644
--- a/lib/hcl/commands.rb
+++ b/lib/hcl/commands.rb
@@ -62,6 +62,10 @@ module HCl
       end
     end
 
+    def completion
+      %[complete -W "#{aliases.join ' '}" hcl]
+    end
+
     def aliases
       @settings.keys.select { |s| s =~ /^task\./ }.map { |s| "@"+s.slice(5..-1) }
     end