Add new theme toaster

themes/toaster/README.md

+# Toaster
+
+A fish (shell) theme with a poptart cat and a rainbow that signifies git status.
+
+![Toaster in action](https://github.com/steeeve/toaster/raw/master/screenshot.png)

themes/toaster/fish_prompt.fish

+set __toaster_color_orange FD971F
+set __toaster_color_blue 6EC9DD
+set __toaster_color_green A6E22E
+set __toaster_color_yellow E6DB7E
+set __toaster_color_pink F92672
+set __toaster_color_grey 554F48
+set __toaster_color_white F1F1F1
+set __toaster_color_purple 9458FF
+set __toaster_color_lilac AE81FF
+
+function __toaster_color_echo
+  set_color $argv[1]
+  echo -n $argv[2]
+end
+
+function __toaster_current_folder
+  echo -n $PWD | grep -o -E '[^\/]+$'
+end
+
+function __toaster_git_status_codes
+  echo (git status --porcelain ^/dev/null | sed -E 's/(^.{3}).*/\1/' | tr -d ' \n')
+end
+
+function __toaster_git_branch_name
+  echo (git rev-parse --abbrev-ref HEAD ^/dev/null)
+end
+
+function __toaster_rainbow
+  if echo $argv[1] | grep -q -e $argv[3]
+    __toaster_color_echo $argv[2] "彡ミ"
+  end
+end
+
+function __toaster_git_status_icons
+  set -l git_status (__toaster_git_status_codes)
+
+  __toaster_rainbow $git_status $__toaster_color_pink 'D'
+  __toaster_rainbow $git_status $__toaster_color_orange 'R'
+  __toaster_rainbow $git_status $__toaster_color_white 'C'
+  __toaster_rainbow $git_status $__toaster_color_green 'A'
+  __toaster_rainbow $git_status $__toaster_color_blue 'U'
+  __toaster_rainbow $git_status $__toaster_color_lilac 'M'
+  __toaster_rainbow $git_status $__toaster_color_grey '?'
+end
+
+function __toaster_git_status
+  # In git
+  if test -n (__toaster_git_branch_name)
+
+    __toaster_color_echo $__toaster_color_blue " git"
+    __toaster_color_echo $__toaster_color_white ":"(__toaster_git_branch_name)
+
+    if test -n (__toaster_git_status_codes)
+      __toaster_color_echo $__toaster_color_pink ' ●'
+      __toaster_color_echo $__toaster_color_white ' [^._.^]ﾉ'
+      __toaster_git_status_icons
+    else
+      __toaster_color_echo $__toaster_color_green ' ○'
+    end
+  end
+end
+
+function fish_prompt
+  __toaster_color_echo $__toaster_color_blue "# "
+  __toaster_color_echo $__toaster_color_purple (__toaster_current_folder)
+  __toaster_git_status
+  echo
+  __toaster_color_echo $__toaster_color_pink "\$ "
+end