Adds fish config as home manager module

home/modules/fish/default.nix

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+{
+  programs.fish = {
+    enable = true;
+
+    functions = {
+      ff = ''
+        set RG_PREFIX "rg --column --line-number --no-heading --color=always --smart-case "
+        set INITIAL_QUERY "$argv"
+        fzf --ansi --disabled --query "$INITIAL_QUERY" \
+       	  --bind "start:reload:$RG_PREFIX {q}" \
+      	  --bind "change:reload:sleep 0.1; $RG_PREFIX {q} || true" \
+          --delimiter : \
+          --preview 'bat --color=always {1} --highlight-line {2}' \
+          --preview-window 'up,60%,border-bottom,+{2}+3/3,~3' \
+          --bind 'enter:become(nvim {1} +{2})'
+      '';
+      fish_greeting = "fortune -a";
+    };
+
+    interactiveShellInit = ''
+      fish_config theme choose "Rosé Pine"
+
+      set hn (prompt_hostname)
+      set fish_cursor_default     block      blink
+      set fish_cursor_insert      line       blink
+      set fish_cursor_replace_one underscore blink
+      set fish_cursor_visual      block
+      set fish_vi_force_cursor 1
+      fish_vi_key_bindings
+
+      fish_add_path /run/current-system/sw/bin
+      fish_add_path /opt/homebrew/bin
+
+      fnm env --use-on-cd --shell fish | source
+    '';
+
+    shellAbbrs = {
+      lg = "lazygit";
+      g = "git";
+      frc = "source ~/.config/fish/**/*.fish";
+    };
+  };
+
+  home.file.".config/fish/themes".source = ./themes;
+}

home/modules/fish/themes/Rosé Pine Dawn.theme

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+# syntax highlighting variables
+# https://fishshell.com/docs/current/interactive.html#syntax-highlighting-variables
+fish_color_normal 575279
+fish_color_command 907aa9
+fish_color_keyword 56949f
+fish_color_quote ea9d34
+fish_color_redirection 286983
+fish_color_end 797593
+fish_color_error b4637a
+fish_color_param d7827e
+fish_color_comment 797593
+# fish_color_match --background=brblue
+fish_color_selection --reverse
+# fish_color_history_current --bold
+fish_color_operator 575279
+fish_color_escape 286983
+fish_color_autosuggestion 797593
+fish_color_cwd d7827e
+# fish_color_cwd_root red
+fish_color_user ea9d34
+fish_color_host 56949f
+fish_color_host_remote 907aa9
+fish_color_cancel 575279
+fish_color_search_match --background=faf4ed
+fish_color_valid_path
+
+# pager color variables
+# https://fishshell.com/docs/current/interactive.html#pager-color-variables
+fish_pager_color_progress d7827e
+fish_pager_color_background --background=fffaf3
+fish_pager_color_prefix 56949f
+fish_pager_color_completion 797593
+fish_pager_color_description 797593
+fish_pager_color_secondary_background
+fish_pager_color_secondary_prefix
+fish_pager_color_secondary_completion
+fish_pager_color_secondary_description
+fish_pager_color_selected_background --background=f2e9e1
+fish_pager_color_selected_prefix 56949f
+fish_pager_color_selected_completion 575279
+fish_pager_color_selected_description 575279

home/modules/fish/themes/Rosé Pine Moon.theme

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+# syntax highlighting variables
+# https://fishshell.com/docs/current/interactive.html#syntax-highlighting-variables
+fish_color_normal e0def4
+fish_color_command c4a7e7
+fish_color_keyword 9ccfd8
+fish_color_quote f6c177
+fish_color_redirection 3e8fb0
+fish_color_end 908caa
+fish_color_error eb6f92
+fish_color_param ea9a97
+fish_color_comment 908caa
+# fish_color_match --background=brblue
+fish_color_selection --reverse
+# fish_color_history_current --bold
+fish_color_operator e0def4
+fish_color_escape 3e8fb0
+fish_color_autosuggestion 908caa
+fish_color_cwd ea9a97
+# fish_color_cwd_root red
+fish_color_user f6c177
+fish_color_host 9ccfd8
+fish_color_host_remote c4a7e7
+fish_color_cancel e0def4
+fish_color_search_match --background=232136
+fish_color_valid_path
+
+# pager color variables
+# https://fishshell.com/docs/current/interactive.html#pager-color-variables
+fish_pager_color_progress ea9a97
+fish_pager_color_background --background=2a273f
+fish_pager_color_prefix 9ccfd8
+fish_pager_color_completion 908caa
+fish_pager_color_description 908caa
+fish_pager_color_secondary_background
+fish_pager_color_secondary_prefix
+fish_pager_color_secondary_completion
+fish_pager_color_secondary_description
+fish_pager_color_selected_background --background=393552
+fish_pager_color_selected_prefix 9ccfd8
+fish_pager_color_selected_completion e0def4
+fish_pager_color_selected_description e0def4

home/modules/fish/themes/Rosé Pine.theme

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+# syntax highlighting variables
+# https://fishshell.com/docs/current/interactive.html#syntax-highlighting-variables
+fish_color_normal e0def4
+fish_color_command c4a7e7
+fish_color_keyword 9ccfd8
+fish_color_quote f6c177
+fish_color_redirection 31748f
+fish_color_end 908caa
+fish_color_error eb6f92
+fish_color_param ebbcba
+fish_color_comment 908caa
+# fish_color_match --background=brblue
+fish_color_selection --reverse
+# fish_color_history_current --bold
+fish_color_operator e0def4
+fish_color_escape 31748f
+fish_color_autosuggestion 908caa
+fish_color_cwd ebbcba
+# fish_color_cwd_root red
+fish_color_user f6c177
+fish_color_host 9ccfd8
+fish_color_host_remote c4a7e7
+fish_color_cancel e0def4
+fish_color_search_match --background=191724
+fish_color_valid_path
+
+# pager color variables
+# https://fishshell.com/docs/current/interactive.html#pager-color-variables
+fish_pager_color_progress ebbcba
+fish_pager_color_background --background=1f1d2e
+fish_pager_color_prefix 9ccfd8
+fish_pager_color_completion 908caa
+fish_pager_color_description 908caa
+fish_pager_color_secondary_background
+fish_pager_color_secondary_prefix
+fish_pager_color_secondary_completion
+fish_pager_color_secondary_description
+fish_pager_color_selected_background --background=26233a
+fish_pager_color_selected_prefix 9ccfd8
+fish_pager_color_selected_completion e0def4
+fish_pager_color_selected_description e0def4