nix: Add powerline-go for zsh

config/nix/hm/common.nix

@@ -10,6 +10,27 @@
       enableCompletion = true;
       enableSyntaxHighlighting = true;
       # syntaxHighlighting.enable = true; # 23.11 syntax
+      historySubstringSearch.enable = true;
+      initExtra = ''
+        # powerline-go duration support
+        zmodload zsh/datetime
+        function preexec() {
+            __TIMER=$EPOCHREALTIME
+        }
+      '';
+    };
+    powerline-go = {
+      enable = true;
+      modules = [ "user" "host" "venv" "cwd" "perms" "git" ];
+      modulesRight = [ "jobs" "exit" "duration" "load" ];
+      settings = {
+        colorize-hostname = true;
+        max-width = 25;
+        cwd-max-dir-size = 10;
+        duration = "$( test -n \"$__TIMER\" && echo $(( $EPOCHREALTIME - $\{__TIMER:-EPOCHREALTIME})) || echo 0 )";
+        # UPST Implement this properly in home-manager
+      };
+      extraUpdatePS1 = ''unset __TIMER'';
     };
     # neovim = {
     #   enable = true;

config/shell/commonrc

@@ -23,7 +23,6 @@ alias dmesg='dmesg --ctime'
 alias wget='wget --hsts-file $HOME/.cache/wget-hsts'
 
 # [ -f ~/.local/bin/colorSchemeApplyFzf ] && . ~/.local/bin/colorSchemeApplyFzf # Only applies RGB colors...
-POWERLINE_GO_DEFAULT_OPTS=(-colorize-hostname -max-width 25 -cwd-max-dir-size 10 -modules 'user,host,venv,cwd,perms,git' -modules-right 'jobs,exit,duration,load') # For reading by shell profiles
 FZF_DEFAULT_OPTS="--height 40% --layout=default"
 FZF_CTRL_T_OPTS="--preview '[[ -d {} ]] && ls -l --color=always {} || [[ \$(file --mime {}) =~ binary ]] && file --brief {} || (highlight -O ansi -l {} || coderay {} || rougify {} || cat {}) 2> /dev/null | head -500'"
 FZF_COMPLETION_OPTS="${FZF_CTRL_T_OPTS}"

config/shell/zshrc

@@ -5,79 +5,7 @@
 #
 
 # TODO Learn `setopt extendedglob`
-# TODO Add asdf (oh-my-zsh plugin is air, git clone is the way (aur package outdated))
 
-# Approximate RGB colors by terminal colors
-[[ "$COLORTERM" == (24bit|truecolor) || "${terminfo[colors]}" -eq '16777216' ]] || zmodload zsh/nearcolor
-
-# Plugins
-ADOTDIR=~/.cache/antigen
-mkdir -p $ADOTDIR
-typeset -a ANTIGEN_CHECK_FILES=(~/.config/shell/zshrc)
-
-if [ -f /usr/share/zsh/share/antigen.zsh ]
-then
-    source /usr/share/zsh/share/antigen.zsh
-else
-    [ -f ~/.local/share/zsh/antigen.zsh ] || (mkdir -p ~/.local/share/zsh/ && curl -L git.io/antigen > ~/.local/share/zsh/antigen.zsh)
-    # TODO If the downloaded file is wrong then we're doomed
-    source ~/.local/share/zsh/antigen.zsh
-fi
-
-# This is better to have them installed as system since we can use them as root
-# pacman -S zsh-autosuggestions zsh-history-substring-search zsh-syntax-highlighting zsh-completions --needed
-function plugin() {
-    if [ -d "/usr/share/licenses/$2" ]
-    then
-        trysource "/usr/share/zsh/plugins/$2/$2.zsh"
-        # It's ok if it fails
-    else
-        antigen bundle "$1/$2"
-    fi
-}
-plugin zsh-users zsh-completions
-plugin zsh-users zsh-syntax-highlighting
-plugin zsh-users zsh-autosuggestions
-plugin zsh-users zsh-history-substring-search
-antigen apply
-
-# Prompt customization
-zmodload zsh/datetime
-
-function preexec() {
-    __TIMER=$EPOCHREALTIME
-}
-
-if command -v powerline-go > /dev/null
-then
-    function powerline_precmd() {
-        local __ERRCODE=$?
-        local __DURATION=0
-
-        if [ -n $__TIMER ]; then
-            local __ERT=$EPOCHREALTIME
-            __DURATION="$(($__ERT - ${__TIMER:-__ERT}))"
-        fi
-
-        echo -en "\033]0; ${USER}@${HOST} $PWD\007"
-        # echo -en "… $\r"
-        eval "$(powerline-go -shell zsh -eval -duration $__DURATION -error $__ERRCODE "${POWERLINE_GO_DEFAULT_OPTS[@]}")"
-        unset __TIMER
-    }
-
-    function install_powerline_precmd() {
-        for s in "${precmd_functions[@]}"; do
-            if [ "$s" = "powerline_precmd" ]; then
-                return
-            fi
-        done
-        precmd_functions+=(powerline_precmd)
-    }
-
-    install_powerline_precmd
-else
-    export PS1="\[\e]2;\u@\H \w\a\]\[\e[0;37m\][\[\e[0;${col}m\]\u\[\e[0;37m\]@\[\e[0;34m\]\h \[\e[0;36m\]\W\[\e[0;37m\]]\$\[\e[0m\] "
-fi
 
 # Cursor based on mode
 if [ $TERM = "linux" ]; then