Some fish shell configuration changes

.gitignore

@@ -1 +1 @@
-fish/fishd.*
+terminal/fish/fishd.*

terminal/fish/config.fish

@@ -1,8 +1,8 @@
-set -x DOTFILES /Users/thomas/dotfiles
+set -x DOTFILES $HOME/dotfiles
 # The definition of $DOTFILES MUST be the first line of this file
 # Don't change it!
 
-if test "$SHLVL" -le 1
+if test -z "$FISH_SETUP_PATH"
   # Homebrew path
   set -x PATH /usr/local/bin /usr/local/sbin $PATH
   # Personal scripts
@@ -20,4 +20,6 @@ set -x LC_ALL sv_SE.UTF-8
 set -x EDITOR vim
 alias v vim
 
-eval (python3 -m virtualfish)
+if not is_ssh_agent_running
+  ssh_agent_start
+end

terminal/fish/functions/fish_prompt.fish

@@ -6,7 +6,7 @@ function fish_prompt
   end
 
   # Hostname with unique color
-  set_color (hostname -s | md5 | cut -c-6)
+  set_color (hostname -s | md5sum | cut -c-6)
   echo -sn (hostname -s)
 
   # A yellow separator

terminal/fish/functions/is_ssh_agent_running.fish

@@ -0,0 +1,12 @@
+function is_ssh_agent_running
+  if begin; test -f ~/.ssh/env; and test -z "$SSH_AGENT_PID"; end
+    source ~/.ssh/env > /dev/null
+  end
+
+  if test -z "$SSH_AGENT_PID"
+    return 1
+  end
+
+  ps -ef | grep $SSH_AGENT_PID | grep -v grep | grep -q ssh-agent
+  return $status
+end

terminal/fish/functions/ssh_agent_start.fish

@@ -0,0 +1,5 @@
+function ssh_agent_start
+  ssh-agent -c | sed 's/^echo/#echo/' > ~/.ssh/env
+  chmod 600 ~/.ssh/env
+  source ~/.ssh/env > /dev/null
+end