Add setting of fish theme and add wombat theme

assets/default/bin/derive_colors.py

@@ -6,13 +6,13 @@ import os
 import sys
 import textwrap
 from subprocess import PIPE, Popen, check_output
-from typing import Tuple
-
+from typing import Optional, Tuple
 
 TERM_VAR = "TERM_PROFILE"
 VIM_VAR = "VIM_COLOR"
 NVIM_VAR = "NVIM_COLOR"
 BAT_VAR = "BAT_THEME"
+FISH_VAR = "FISH_THEME"
 TERMINAL_SETTINGS_SCRIPT = """
 set current_tty to "{}"
 tell application "Terminal"
@@ -158,6 +158,33 @@ def get_bat_theme(terminal_profile: str, force_dark=False, force=False) -> str:
     return bat_theme
 
 
+def get_fish_theme(
+    terminal_profile: str,
+    force_dark=False,
+    force=False,
+) -> Optional[str]:
+    """Returns the best matched fish theme for the terminal"""
+    if not force and FISH_VAR in os.environ:
+        return os.environ[FISH_VAR]
+
+    # Determine if this is a dark theme
+    is_dark = force_dark or "dark" in terminal_profile.lower()
+
+    fish_theme: Optional[str] = None
+
+    if "Wombat" in terminal_profile:
+        fish_theme = "wombat"
+    elif terminal_profile == "Alacritty":
+        fish_theme = "wombat"
+    elif "Solarized" in terminal_profile:
+        if is_dark:
+            fish_theme = "solarized dark"
+        else:
+            fish_theme = "solarized light"
+
+    return fish_theme
+
+
 def parse_args(**args) -> argparse.Namespace:
     """Parse and return args from the terminal"""
     parser = argparse.ArgumentParser(
@@ -205,6 +232,11 @@ def parse_args(**args) -> argparse.Namespace:
         action="store_true",
         help="Print only the value of the bat theme",
     )
+    group.add_argument(
+        "--print-fish",
+        action="store_true",
+        help="Print only the value of the fish theme",
+    )
     parser.add_argument(
         "--force",
         action="store_true",
@@ -250,6 +282,15 @@ def print_all_env(force=False, force_dark=False, export=False, fish=False):
     bat_theme = get_bat_theme(term_profile, force_dark=force_dark, force=force)
     print_env(BAT_VAR, bat_theme, export=export, fish=fish)
 
+    # Fish theme is optional, so don't print if None
+    fish_theme = get_fish_theme(
+        term_profile,
+        force_dark=force_dark,
+        force=force,
+    )
+    if fish_theme is not None:
+        print_env(FISH_VAR, fish_theme, export=export, fish=fish)
+
 
 def print_env(var: str, val: str, export=False, fish=False):
     """Print variable in env format"""
@@ -300,6 +341,14 @@ def main():
             force=args.force,
         )
         print(bat_theme)
+    elif args.print_fish:
+        term_profile = get_terminal_profile(force=args.force)
+        fish_theme = get_fish_theme(
+            term_profile,
+            force_dark=args.dark,
+            force=args.force,
+        )
+        print(fish_theme)
     else:
         print_all_env(
             force=args.force,

assets/default/fish/functions/_set_colorscheme.fish

@@ -2,6 +2,15 @@ function _set_colorscheme --description "Sets the fish colorscheme"
   set -l theme "$argv[1]"
   switch "$theme"
     case "solarized light"
+      __theme_solarized_light
+    case "solarized dark"
+      __theme_solarized_dark
+    case "wombat"
+      __theme_wombat
+  end
+end
+
+function __theme_solarized_light --description "Set fish theme to solarized light"
   set -g fish_color_autosuggestion 93a1a1
   set -g fish_color_cancel -r
   set -g fish_color_command 586e75
@@ -27,7 +36,9 @@ function _set_colorscheme --description "Sets the fish colorscheme"
   set -g fish_pager_color_description B3A06D
   set -g fish_pager_color_prefix cyan --underline
   set -g fish_pager_color_progress brwhite --background=cyan
-    case "solarized dark"
+end
+
+function __theme_solarized_dark --description "Set fish theme to solarized dark"
   set -g fish_color_autosuggestion 586e75
   set -g fish_color_cancel -r
   set -g fish_color_command 93a1a1
@@ -54,4 +65,31 @@ function _set_colorscheme --description "Sets the fish colorscheme"
   set -g fish_pager_color_prefix cyan --underline
   set -g fish_pager_color_progress brwhite --background=cyan
 end
+
+function __theme_wombat --description "Set fish theme to wombat"
+  set -g fish_color_autosuggestion black
+  set -g fish_color_cancel -r
+  set -g fish_color_command yellow
+  set -g fish_color_comment normal
+  set -g fish_color_cwd green
+  set -g fish_color_cwd_root red
+  set -g fish_color_end blue
+  set -g fish_color_error red
+  set -g fish_color_escape magenta
+  set -g fish_color_history_current --bold
+  set -g fish_color_host normal
+  set -g fish_color_match --background=brblue
+  set -g fish_color_normal normal
+  set -g fish_color_operator cyan
+  set -g fish_color_param green
+  set -g fish_color_quote brgreen --italics
+  set -g fish_color_redirection magenta
+  set -g fish_color_search_match bryellow --background=green
+  set -g fish_color_selection white --bold --background=green
+  set -g fish_color_user brgreen
+  set -g fish_color_valid_path --underline
+  set -g fish_pager_color_completion blue
+  set -g fish_pager_color_description blue
+  set -g fish_pager_color_prefix cyan --underline
+  set -g fish_pager_color_progress brwhite --background=cyan
 end

assets/default/fish/init/env.fish

@@ -30,7 +30,8 @@ if status --is-interactive
 
     # Export colors
     eval ($HOME/bin/derive_colors.py --export --fish)
-    if [ "$VIM_COLOR" = "solarized" ]
-        _set_colorscheme "solarized light"
+    # Set fish theme based on newly exported colors
+    if set -q FISH_THEME
+        _set_colorscheme "$FISH_THEME"
     end
 end