nix!: refactored homeModules

nix/homeModules/common/fish/aliasesAbbrs.nix

@@ -0,0 +1,80 @@
+{
+  pkgs,
+  hostname,
+  lib,
+  ...
+}:
+{
+  programs.fish = {
+    shellAbbrs = lib.mkMerge [
+      {
+        ## Docker
+        dc = "docker compose";
+
+        ## Git
+        gaa = "git add (git rev-parse --show-toplevel)";
+        "ga." = "git add .";
+        gp = "git pull";
+        gP = "git push";
+        clone = "clone_to_repos";
+
+        ## Editor
+        ts = "tmux_sessionizer";
+        v = "nvim";
+
+        ":q" = "exit";
+
+        nhist = "sudo nix profile history --profile /nix/var/nix/profiles/system";
+        hhist = "nix profile history --profile ~/.local/state/nix/profiles/home-manager";
+
+        nwipe = "sudo nix profile wipe-history --profile /nix/var/nix/profiles/system --older-than 7d";
+        hwipe = "nix profile wipe-history --profile ~/.local/state/nix/profiles/home-manager --older-than 7d";
+      }
+
+      # TODO: move this out
+      (lib.mkIf pkgs.stdenv.isLinux {
+        ss = "sudo systemctl";
+        se = "SUDO_EDITOR=(which nvim) sudoedit";
+        ns = "sudo nixos-rebuild switch -L --flake ~/.dotfiles#${hostname}";
+        hs = "home-manager switch -L --flake ~/.dotfiles#${hostname}";
+      })
+
+      (lib.mkIf pkgs.stdenv.isDarwin {
+        ns = "darwin-rebuild switch -L --flake ~/.dotfiles#${hostname} --option sandbox false";
+        ndd = "nix develop -L --option sandbox false -c true"; # run the develop once without sandbox when needed
+      })
+    ];
+
+    shellAliases = lib.mkMerge [
+      {
+        rm = "rm -I"; # idiot protection
+        tree = "tree -Cph";
+        restow = "cd ~/.dotfiles/ && stow -D . && stow -S . && prevd";
+        nix-shell = "nix-shell --run fish";
+        ",," = "nix shell -c";
+      }
+
+      (lib.mkIf pkgs.stdenv.isLinux {
+        # idiot protection
+        chmod = "chmod --preserve-root";
+        chown = "chown --preserve-root";
+      })
+
+      (lib.mkIf pkgs.stdenv.isDarwin (
+        let
+          cmds = builtins.concatStringsSep ";";
+        in
+        {
+          reset_launchpad = cmds [
+            "defaults write com.apple.dock ResetLaunchPad -bool true"
+            "killall Dock"
+          ];
+          add_spacer_tile = cmds [
+            "defaults write com.apple.dock persistent-apps -array-add '{tile-type=\"small-spacer-tile\";}"
+            "killall Dock"
+          ];
+        }
+      ))
+    ];
+  };
+}

nix/homeModules/common/fish/conf.d/bind.fish

@@ -0,0 +1,11 @@
+for mode in default insert
+    bind --mode $mode \cg tmux_home
+    bind --mode $mode \cf tmux_sessionizer
+end
+
+# vi cursor style
+fish_vi_key_bindings
+set fish_cursor_default block
+set fish_cursor_insert line
+set fish_cursor_replace_one underscore
+set fish_cursor_visual block

nix/homeModules/common/fish/conf.d/colorscheme.fish

@@ -0,0 +1,100 @@
+# Learn more: https://fishshell.com/docs/current/interactive.html
+
+begin
+    # scope this in a bolck to not leak variables everywhere
+
+    set -l black 000000
+    set -l grey a0a1a7
+    set -l cyan 0184bc
+    set -l blue 4078f2
+    set -l purple a626a4
+    set -l green 50a14f
+    set -l orange e45649
+    set -l red ca1243
+    set -l brown 986801
+    set -l gold c18401
+    set -l accent 645199
+    set -l visual d0d0d0
+
+    ###########
+    # General #
+    ###########
+    # default color
+    set fish_color_normal $black
+    # commands like echo
+    set fish_color_command $blue
+    # keywords like if - this falls back on the command color if unset
+    set fish_color_keyword $purple
+    # quoted text like "abc"
+    set fish_color_quote $green
+    # IO redirections like >/dev/null
+    set fish_color_redirection $gold
+    # process separators like ; and &
+    set fish_color_end $black --bold
+    # syntax errors
+    set fish_color_error $black
+    # ordinary command parameters
+    set fish_color_param $red
+    # parameters that are filenames (if the file exists)
+    set fish_color_valid_path --italics
+    # options starting with “-”, up to the first “--” parameter
+    set fish_color_option $cyan
+    # comments like ‘# important’
+    set fish_color_comment $grey
+    # selected text in vi visual mode
+    set fish_color_selection --background=$visual
+    # parameter expansion operators like * and ~
+    set fish_color_operator $orange
+    # character escapes like \n and \x70
+    set fish_color_escape $purple
+    # autosuggestions (the proposed rest of a command)
+    set fish_color_autosuggestion $grey
+    # The current working directory in the default prompt
+    set fish_color_cwd $black
+    # The current working directory in the default prompt for the root user
+    set fish_color_cwd_root $red
+    # The username in the default prompt
+    set fish_color_user $grey
+    # The hostname in the default prompt
+    set fish_color_host $black
+    # the hostname in the default prompt for remote sessions (like ssh)
+    set fish_color_host_remote $red
+    # the last command’s nonzero exit code in the default prompt
+    set fish_color_status $red
+    # the ‘^C’ indicator on a canceled command
+    set fish_color_cancel $accent --reverse
+    # history search matches and selected pager items (background only)
+    set fish_color_search_match --background $visual
+
+    #########
+    # Pager #
+    #########
+    # the progress bar at the bottom left corner
+    set fish_pager_color_progress --reverse $cyan
+    # the background color of a line
+    set fish_pager_color_background $black
+    # the prefix string, i.e. the string that is to be completed
+    set fish_pager_color_prefix $black
+    # the completion itself, i.e. the proposed rest of the string
+    set fish_pager_color_completion $grey
+    # the completion description
+    set fish_pager_color_description $grey
+    # background of the selected completion
+    set fish_pager_color_selected_background $black
+    # prefix of the selected completion
+    set fish_pager_color_selected_prefix
+    # suffix of the selected completion
+    set fish_pager_color_selected_completion $red
+    # description of the selected completion
+    set fish_pager_color_selected_description $gold
+
+    # ## Alternating colors
+    # # background of every second unselected completion
+    # set fish_pager_color_secondary_background --background=$tinted_bg
+    # # prefix of every second unselected completion
+    # set fish_pager_color_secondary_prefix
+    # # suffix of every second unselected completion
+    # set fish_pager_color_secondary_completion
+    # # description of every second unselected completion
+    # set fish_pager_color_secondary_description
+end

nix/homeModules/common/fish/conf.d/interactiveShellInit.fish

@@ -0,0 +1,6 @@
+# fzf preview theme (use delta instead of bat)
+set -x fzf_preview_file_cmd 'delta'
+# fd uses LS_COLORS
+set -x LS_COLORS (vivid -m 24-bit generate one-light)
+# fzf-fish search hidden files
+set -x fzf_fd_opts --hidden --exclude=.git

nix/homeModules/common/fish/conf.d/locale.fish

@@ -0,0 +1,14 @@
+# zh_TW
+# set -x LANG zh_TW.UTF-8
+# set -x LANGUAGE zh_TW
+# set -x LC_ALL zh_TW.UTF-8
+
+# fr_FR
+# set -x LANG fr_FR.UTF-8
+# set -x LANGUAGE fr_FR
+# set -x LC_ALL fr_FR.UTF-8
+
+# en_US
+set -x LANG en_US.UTF-8
+set -x LANGUAGE en_US
+set -x LC_ALL en_US.UTF-8

nix/homeModules/common/fish/conf.d/shellInit.fish

@@ -0,0 +1,4 @@
+# repo paths
+set REPOS_PATH ~/repos
+set UNIV_REPOS_PATH ~/univ-repos
+set PLAYGROUND_PATH ~/playground

nix/homeModules/common/fish/default.nix

@@ -0,0 +1,105 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+{
+  imports = [ ./aliasesAbbrs.nix ];
+
+  options.programs.fish.sourcePaths = lib.mkOption {
+    type = with lib.types; nonEmptyListOf str;
+    description = ''
+      Paths to be sourced idempotently at the start of a login-shell.
+    '';
+  };
+
+  config.xdg.configFile."fish/functions".source = lib.mkIf config.programs.fish.enable ./functions;
+  config.programs.fish =
+    let
+      readConfig = n: builtins.readFile ./conf.d/${n}.fish;
+      readConfigs = ns: builtins.concatStringsSep "\n" (map readConfig ns);
+    in
+    {
+      enable = true;
+
+      # We need to handle path idempotently, because fish in home-manager is
+      # unable to depend on nixos/nix-darwin configurations to figure out the profile.d/nix.sh
+      # to source.
+      #
+      # The hack is to make terminal emulators  run fish as a login shell
+      # whenever fish should handle the path.
+      # tmux should NOT call fish as a login shell, because it would inherit the
+      # environment variables from its parent shell, which is a login shell.
+      loginShellInit = ''
+        begin
+            set ps ${builtins.concatStringsSep " " config.programs.fish.sourcePaths}
+
+            set -e fish_user_paths
+            for p in $ps
+                test -d $p && set --append fish_user_paths $p
+            end
+        end
+      '';
+
+      sourcePaths =
+        [
+          # Make sure wrapper comes first
+          # https://discourse.nixos.org/t/sudo-run-current-system-sw-bin-sudo-must-be-owned-by-uid-0-and-have-the-setuid-bit-set-and-cannot-chdir-var-cron-bailing-out-var-cron-permission-denied/20463/2
+          "/run/wrappers/bin"
+
+          # Make sure nixcpp with the specified version in the flake come first
+          "${config.nix.package}/bin"
+
+          "${config.home.homeDirectory}/.nix-profile/bin"
+          "/nix/profile/bin"
+          "${config.home.homeDirectory}/.local/state/nix/profile/bin"
+
+          "/etc/profiles/per-user/${config.home.username}/bin"
+
+          "/nix/var/nix/profiles/default/bin"
+          "/run/current-system/sw/bin"
+        ]
+        # Add brew, but as fallback
+        ++ (lib.lists.optional pkgs.stdenv.isDarwin "/opt/homebrew/bin");
+
+      shellInit = readConfig "shellInit";
+
+      interactiveShellInit = readConfigs [
+        "interactiveShellInit"
+        "bind"
+        "colorscheme"
+        "locale"
+      ];
+
+      plugins = [
+        {
+          name = "fzf-fish";
+          src = pkgs.fetchFromGitHub {
+            owner = "PatrickF1";
+            repo = "fzf.fish";
+            rev = "v10.3";
+            hash = "sha256-T8KYLA/r/gOKvAivKRoeqIwE2pINlxFQtZJHpOy9GMM=";
+          };
+        }
+        {
+          name = "colored-man-pages";
+          src = pkgs.fetchFromGitHub {
+            owner = "PatrickF1";
+            repo = "colored_man_pages.fish";
+            rev = "f885c2507128b70d6c41b043070a8f399988bc7a";
+            sha256 = "sha256-ii9gdBPlC1/P1N9xJzqomrkyDqIdTg+iCg0mwNVq2EU=";
+          };
+        }
+        {
+          name = "sponge";
+          src = pkgs.fetchFromGitHub {
+            owner = "meaningful-ooo";
+            repo = "sponge";
+            sha256 = "sha256-MdcZUDRtNJdiyo2l9o5ma7nAX84xEJbGFhAVhK+Zm1w=";
+            rev = "1.1.0";
+          };
+        }
+      ];
+    };
+}

nix/homeModules/common/fish/functions/,.fish

@@ -0,0 +1,15 @@
+function ,
+    set ps
+    set os
+    for p in $argv
+        if not string match -q -- "--*" $p
+            set -a ps "nixpkgs#$p"
+        else
+            set -a os "$p"
+        end
+    end
+
+    set cmd "SHELL=(which fish) IN_NIX_SHELL=\"impure\" nix shell $os $ps"
+    echo "Executing `$cmd`..."
+    eval $cmd
+end

nix/homeModules/common/fish/functions/__tmux_attach_or_switch.fish

@@ -0,0 +1,12 @@
+function __tmux_attach_or_switch \
+    --description "Attach (not in tmux) or switch (in tmux) to a session"
+    ### Arguments:
+    set session_name $argv[1]
+
+    if [ -z "$TMUX" ]
+        tmux attach-session -t $session_name
+    else
+        tmux switch-client -t $session_name
+    end
+
+end

nix/homeModules/common/fish/functions/__tmux_maybe_create.fish

@@ -0,0 +1,15 @@
+function __tmux_maybe_create \
+    --description "Create a tmux session with sensible defaults if it doesn't exist yet"
+    ### Arguments:
+    set session_name $argv[1]
+    set session_dir $argv[2]
+
+    if pgrep tmux 2>&1 >/dev/null; or ! tmux has -t=$session_name 2>/dev/null
+        tmux \
+            new-session -ds $session_name -c $session_dir \; \
+            send-keys -t $session_name $EDITOR ENTER \; \
+            new-window -t $session_name -c $session_dir \; \
+            select-window -t $session_name:1
+    end
+
+end

nix/homeModules/common/fish/functions/__tmux_register_session.fish

@@ -0,0 +1,11 @@
+function __tmux_register_session \
+    --description "Register the session, if it's not set yet"
+    ### Effects:
+    set last /tmp/TMUX_LAST
+
+    set this (tmux display-message -p '#S')
+    if [ ! -f "$last" ]; or [ (cat "$last") != "$this" ]
+        echo "$this" >"$last"
+    end
+
+end

nix/homeModules/common/fish/functions/clone_to_repos.fish

@@ -0,0 +1,13 @@
+function clone_to_repos
+
+    if not count $argv >/dev/null
+        echo "Git url needed"
+    end
+
+    set name_repo (echo $argv | sed -E 's/.*[:\\/]([^\\/]+)\\/([^\\/]+?)(:?\\.git)$/\1 \2/')
+    set name (echo $name_repo | cut -d ' ' -f1)
+    set repo (echo $name_repo | cut -d ' ' -f2)
+    mkdir -p $REPOS_PATH/$name
+    git clone $argv $REPOS_PATH/$name/$repo
+
+end

nix/homeModules/common/fish/functions/fish_greeting.fish

@@ -0,0 +1,12 @@
+function fish_greeting
+
+    set_color --italics
+    switch $FISH_GREETING
+        case toh
+            cat ~/.quotes/toh/* | shuf -n 1
+        case fleabag
+            cat ~/.quotes/fleabag/* | shuf -n 1
+        case "*"
+    end
+
+end

nix/homeModules/common/fish/functions/fzf_pass.fish

@@ -0,0 +1,29 @@
+function fzf_pass
+
+    set selected \
+        (begin
+            fd -tf . $PASSWORD_STORE_DIR | sed "s|^$PASSWORD_STORE_DIR/\(.*\)\.gpg\$|\1|"
+        end | fzf)
+
+    if [ -z "$selected" ]
+        echo Nothing selected
+        echo exiting...
+    end
+
+    set mode \
+        (begin
+            echo "password"
+            echo "otp"
+            echo "all"
+        end | fzf)
+
+    switch "$mode"
+        case all
+            pass "$selected" | nvim +"setlocal buftype=nofile bufhidden=hide noswapfile"
+        case password
+            pass "$selected" -c
+        case otp
+            pass otp "$selected" -c
+    end
+
+end

nix/homeModules/common/fish/functions/snakecase.fish

@@ -0,0 +1,5 @@
+function snakecase
+
+    echo $argv | sed -E 's/[^A-Za-z0-9_\n]+/_/g' | sed -E 's/__+/_/g' | tr '[:upper:]' '[:lower:]'
+
+end

nix/homeModules/common/fish/functions/tmux_home.fish

@@ -0,0 +1,19 @@
+function tmux_home \
+    --description "Take me back to ~"
+
+    set session_name home
+
+    if pgrep tmux 2>&1 >/dev/null
+        __tmux_register_session
+    end
+
+    if pgrep tmux 2>&1 >/dev/null; or ! tmux has -t=$session_name 2>/dev/null
+        tmux \
+            new-session -ds home \; \
+            new-window -t home \; \
+            select-window -t "home":1
+    end
+
+    __tmux_attach_or_switch $session_name
+
+end

nix/homeModules/common/fish/functions/tmux_last.fish

@@ -0,0 +1,16 @@
+function tmux_last \
+    --description "Toggle the last tmux session"
+
+    set tmux_last /tmp/TMUX_LAST
+    if [ ! -f $tmux_last ]
+        echo "Last session is not yet set"
+        return 1
+    end
+
+    set session_name (cat $tmux_last)
+
+    __tmux_register_session
+    __tmux_maybe_create $session_name /tmp
+    __tmux_attach_or_switch $session_name
+
+end

nix/homeModules/common/fish/functions/tmux_sessionizer.fish

@@ -0,0 +1,48 @@
+function tmux_sessionizer \
+    --description "Manage tmux sessions in specific folders with fzf"
+
+    set selected \
+        (begin
+            fd . $REPOS_PATH $UNIV_REPOS_PATH --exact-depth 2 --type d
+            fd . $PLAYGROUND_PATH --exact-depth 1 --type d
+            # Special mode to create a playground
+            echo "play"
+            echo "dotfiles"
+        end 2> /dev/null | sed -e "s|^$HOME|~|" | fzf)
+
+    set selected (echo $selected | sed -e "s|^~|$HOME|")
+
+    if [ -z "$selected" ]
+        commandline --function repaint
+        return 0
+    end
+
+    # derive session name based on selected path
+    # dots are meaningful in tmux, remove them
+    set session_name (echo $selected | tr . _)
+
+    # fixup special cases, override derived session_name if necessary
+    # this should be id for non-special cases
+    switch $selected
+        case play
+            read -P "Give it a name: " name
+            if [ -z "$name" ]
+                return 0
+            end
+            set name (snakecase "$name")
+
+            set selected ~/playground/$name
+            set session_name (echo $selected | tr . _)
+            mkdir -p $selected
+
+        case dotfiles
+            set selected ~/.dotfiles
+            set session_name dotfiles
+    end
+
+    # effects
+    __tmux_register_session $session_name
+    __tmux_maybe_create $session_name $selected
+    __tmux_attach_or_switch $session_name
+
+end

nix/homeModules/common/fish/functions/update_dotfiles.fish

@@ -0,0 +1,10 @@
+function update_dotfiles
+
+    cd ~/.dotfiles/
+    git reset --hard
+    git pull --set-upstream origin main
+    git submodule update --init
+    prevd
+    restow
+
+end