Add some comments to the functions

fish/config.fish

@@ -1,8 +1,17 @@
 # Default path
-set PATH /usr/local/bin /usr/local/sbin /usr/bin /bin /usr/sbin /sbin /usr/local/MacGPG2/bin
+set PATH /usr/local/bin
+set PATH /usr/local/sbin $PATH
+set PATH /usr/bin $PATH
+set PATH /bin $PATH
+set PATH /usr/sbin $PATH
+set PATH /sbin $PATH
 
-# Ruby support
+# MacGPG
-set PATH /usr/local/Cellar/ruby/2.1.3/bin $PATH
+set PATH /usr/local/MacGPG2/bin $PATH
+
+# Ruby
+set RUBY_VERSION (ruby --version | cut -d " " -f 2 | cut -d "p" -f 1)
+set PATH "/usr/local/Cellar/ruby/$RUBY_VERSION/bin" $PATH
 
 # LaTeX!
 set PATH /usr/texbin $PATH
@@ -19,16 +28,10 @@ set PATH $PATH /opt/homebrew-cask/Caskroom/atom/latest/Atom.app/Contents/Resourc
 # DYLD_LIBRARY_PATH (Rust asked for this)
 set DYLD_LIBRARY_PATH "/usr/local/lib" "$DYLD_LIBRARY_PATH"
 
-# Mono asked for this:
-source dnvm.sh
-
 # For GitHub integration.
 # See github.com/github/hub
 alias git hub
 
-# I don't want to delete things anymore.
-alias rm trash
-
 # Remove the greeting message on startup
 set fish_greeting
 
@@ -43,6 +46,9 @@ alias mkdir "mkdir -p"
 alias sl "/usr/local/bin/sl; and ls"
 
 # SSH Agent
+#
+# Start SSH Agent if it's not already running, and add the
+# id_(nice_hostname) identity.
 setenv SSH_ENV "$HOME/.ssh/environment"
 if [ -n "$SSH_AGENT_PID" ]
     ps -ef | grep $SSH_AGENT_PID | grep ssh-agent > /dev/null

fish/functions/fish_prompt.fish

@@ -5,9 +5,7 @@ function fish_prompt
   # Reset button
   set_color normal
 
-  #
   # Username
-  #
 
   # Show root user as red, to remind us of danger.
   if test (whoami) = root
@@ -24,9 +22,7 @@ function fish_prompt
 
   echo -n @
 
-  #
   # Hostname
-  #
 
   # To remove boldness
   set_color normal
@@ -39,9 +35,7 @@ function fish_prompt
 
   echo -n " in "
 
-  #
   # Current working dir
-  #
 
   set_color normal
   set_color red
@@ -51,9 +45,7 @@ function fish_prompt
   set_color normal
   set_color -o black
 
-  #
   # Git branch
-  #
 
   set branch (git_branch)
   if not test -z $branch

fish/functions/git_branch.fish

@@ -1,3 +1,6 @@
+# Get the current git branch
+#
+# If we are not in a git repository, we silently ruturn noting.
 function git_branch
   set __git_branch (git current-branch ^ /dev/null)
 

fish/functions/nice_hostname.fish

@@ -1,3 +1,6 @@
+# nice_hostname
+#
+# Take the first part of the hostname.
 function nice_hostname
   hostname | cut -d . -f 1
 end

fish/functions/start_agent.fish

@@ -1,3 +1,4 @@
+# Start SSH Agent and set relevant variables
 function start_agent
     echo "Initializing new SSH agent ..."
     ssh-agent -c | sed 's/^echo/#echo/' > $SSH_ENV

fish/functions/test_identities.fish

@@ -1,3 +1,4 @@
+# Add my SSH identity
 function test_identities
     ssh-add -l | grep "The agent has no identities" > /dev/null
     if [ $status -eq 0 ]