[split] Move edan theme to oh-my-fish/theme-edan

https://github.com/oh-my-fish/theme-edan

themes/edan/README.md

-## Theme Edan
-
-Inspired by idan, a functional, uncluttered fish theme with usability perks for git users and python developers.
-
-![Screenshot of theme Edan](https://cloud.githubusercontent.com/assets/215282/6199938/f67e6a54-b49a-11e4-800b-587a638cfb86.png)
-
-#### Characteristics
-
-##### Left Prompt
-
-* User & host (Shown in "remote" mode, hidden by default. Execute `edan-set-remote` or `edan-set-local` to switch.)
-* Current python virtualenv (if applicable)
-* Truncated CWD (just the current folder name)
-* Git branch and dirty state (if applicable)
-
-##### Right Prompt
-
-* Full CWD path
-* Last error code (if applicable)
-
-#### Font
-
-Check out [Anonymous Pro](http://www.marksimonson.com/fonts/view/anonymous-pro).

themes/edan/edan-set-local.fish

-# Switch environment to "local" for edan.
-
-function edan-set-local
-  set -U EDAN_HOST_TYPE "local"
-end

themes/edan/edan-set-remote.fish

-# Switch environment to "remote" for edan.
-
-function edan-set-remote
-  set -U EDAN_HOST_TYPE 'remote'
-end

themes/edan/fish_prompt.fish

-# fish theme: edan
-# Display the following bits on the left:
-# * User & host (hidden by default, execute `edan-remote`to show, `edan-local` to hide)
-# * Virtualenv name (if applicable, see https://github.com/adambrenecki/virtualfish)
-# * Current directory name
-# * Git branch and dirty state (if inside a git repo)
-
-function _git_branch_name
-  echo (command git symbolic-ref HEAD ^/dev/null | sed -e 's|^refs/heads/||')
-end
-
-function _is_git_dirty
-  echo (command git status -s --ignore-submodules=dirty ^/dev/null)
-end
-
-function _user_host
-  if [ (id -u) = "0" ];
-    echo -n (set_color -o red)
-  else
-    echo -n (set_color -o blue)
-  end
-  echo -n (hostname|cut -d . -f 1)ˇ$USER (set color normal)
-end
-
-function fish_prompt
-  set fish_greeting
-  set -l cyan (set_color -o cyan)
-  set -l yellow (set_color -o yellow)
-  set -l red (set_color -o red)
-  set -l blue (set_color -o blue)
-  set -l green (set_color -o green)
-  set -l normal (set_color normal)
-
-  set -l cwd $cyan(basename (prompt_pwd))
-
-  # output the prompt, left to right
-
-  # Add a newline before prompts
-  echo -e ""
-
-  # Display [venvname] if in a virtualenv
-  if set -q VIRTUAL_ENV
-    echo -n -s (set_color -b cyan black) '[' (basename "$VIRTUAL_ENV") ']' $normal ' '
-  end
-
-  # Display [user & host] when on remote host
-  if [ "$EDAN_HOST_TYPE" = "remote" ]
-    _user_host; echo -n ': '
-  end
-
-  # Display the current directory name
-  echo -n -s $cwd $normal
-
-
-  # Show git branch and dirty state
-  if [ (_git_branch_name) ]
-    set -l git_branch '[' (_git_branch_name) ']'
-
-    if [ (_is_git_dirty) ]
-      set git_info $red $git_branch "×"
-    else
-      set git_info $green $git_branch
-    end
-    echo -n -s ' ' $git_info $normal
-  end
-
-  # Terminate with a nice prompt char
-  echo -n -s ' » ' $normal
-
-end

themes/edan/fish_right_prompt.fish

-# Display the compressed current working path on the right
-# If the previous command returned any kind of error code, display that too
-
-function fish_right_prompt
-  set -l last_status $status
-  set -l cyan (set_color -o cyan)
-  set -l red (set_color -o red)
-  set -l normal (set_color normal)
-
-  echo -n -s $cyan (prompt_pwd)
-
-  if test $last_status -ne 0
-    set_color red
-    printf ' %d' $last_status
-    set_color normal
-  end
-end