zsh: Make nix-shell pretty and update ps1

users/hu/packages/zsh/config/conf.d/alias.zsh

@@ -2,3 +2,7 @@
 
 alias reload="exec zsh"
 
+if [ -x "$(command -v nix)" ]; then
+    alias nix-develop="nix develop -c $SHELL"
+fi
+

users/hu/packages/zsh/config/conf.d/completions.zsh

@@ -1,17 +1,17 @@
 #!/usr/bin/env zsh
 
-if [ -z "$FZF_TAB_FILE" ]; then
+if [ -z "$FZF_TAB_PLUGIN" ]; then
     if [ ! -d "$HOME/.cache/fzf-tab" ]; then
         echo "Installing fzf-tab"
         git clone "https://github.com/Aloxaf/fzf-tab" "$HOME/.cache/fzf-tab" 
     fi
-    FZF_TAB_FILE="$HOME/.cache/fzf-tab/fzf-tab.plugin.zsh"
+    FZF_TAB_PLUGIN="$HOME/.cache/fzf-tab/fzf-tab.plugin.zsh"
 fi
 
 autoload -Uz compinit
 compinit
 
-source "$FZF_TAB_FILE"
+source "$FZF_TAB_PLUGIN"
 zstyle ':completion:*:git-checkout:*' sort false
 
 if [ -n "$TMUX" ]; then

users/hu/packages/zsh/config/conf.d/nix.zsh

@@ -0,0 +1,7 @@
+#!/usr/bin/env zsh
+
+# Nix specific zsh configuration
+if [ -x "$(command -v nix)" ]; then
+      source "$NIX_SHELL_PLUGIN"
+fi
+

users/hu/packages/zsh/config/conf.d/ps1.zsh

@@ -9,10 +9,21 @@ case "$distro" in
     *) dicon="%F{yellow}[󰘧]%f" ;;
 esac
 
+if [ -n "$IN_NIX_SHELL" ]; then
+    if [ -z "$NIX_SHELL_PACKAGES" ]; then
+        nix_shell_ps1="%F{red}nix-shell%f"
+    else
+        nix_shell_ps1="%F{red}{ $NIX_SHELL_PACKAGES }%f"
+    fi
+else
+    nix_shell_ps1=""
+fi
+
 setopt prompt_subst
 autoload -Uz vcs_info
 precmd () { vcs_info }
-zstyle ':vcs_info:*' formats ' %F{yellow}(%b)%f'
+zstyle ':vcs_info:*' formats ' %F{yellow}(%b)%f '
 
-export PS1='$dicon %n@%m %F{green}%~%f$vcs_info_msg_0_> '
+NL=$'\n'
+export PS1='%F{green}%~%f$vcs_info_msg_0_$nix_shell_ps1$NL$dicon > '
 

users/hu/packages/zsh/config/conf.d/suggestions.zsh

@@ -9,10 +9,10 @@ setopt SHARE_HISTORY
 setopt HIST_IGNORE_SPACE
 setopt HIST_SAVE_NO_DUPS
 
-if [ -z "$AUTOSUGGEST_FILE" ]; then
+if [ -z "$AUTOSUGGEST_PLUGIN" ]; then
   import_file="/usr/share/zsh-autosuggestions/zsh-autosuggestions.zsh"
 else
-  import_file="$AUTOSUGGEST_FILE"
+  import_file="$AUTOSUGGEST_PLUGIN"
 fi
 
 if [ ! -f "$import_file" ]; then

users/hu/packages/zsh/config/conf.d/syntax.zsh

@@ -1,9 +1,9 @@
 #!/usr/bin/env zsh
 
-if [ -z "$SYNTAX_FILE" ]; then
+if [ -z "$SYNTAX_PLUGIN" ]; then
   import_file="/usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
 else
-  import_file="$SYNTAX_FILE"
+  import_file="$SYNTAX_PLUGIN"
 fi
 
 if [ ! -f "$import_file" ]; then

users/hu/packages/zsh/zsh-home.nix

@@ -3,12 +3,13 @@
 {
   home.packages = with pkgs; [
     fzf
+    thefuck
     zsh-fzf-tab
     zsh-completions
     zsh-autosuggestions
     zsh-syntax-highlighting
     nix-zsh-completions
-    #thefuck
+    zsh-nix-shell
   ];
 
   home.sessionVariables = {
@@ -23,19 +24,21 @@
   home.file."${config.xdg.configHome}/zsh/.zshrc" = {
     text = ''
       #!/usr/bin/env zsh
-      SYNTAX_FILE="${pkgs.zsh-syntax-highlighting}/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
+
+      SYNTAX_PLUGIN="${pkgs.zsh-syntax-highlighting}/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
+      AUTOSUGGEST_PLUGIN="${pkgs.zsh-autosuggestions}/share/zsh-autosuggestions/zsh-autosuggestions.zsh"
+      NIX_SHELL_PLUGIN="${pkgs.zsh-nix-shell}/share/zsh-nix-shell/nix-shell.plugin.zsh"
 
       # On systems that are not on glibc 2.38, loading fzf-tab will fail. This prevents that.
       if [ -f "/lib/x86_64-linux-gnu/libc.so.6" ]; then
         GLIBC_VERSION="$(/lib/x86_64-linux-gnu/libc.so.6 | head -n1 | sed -e 's/.* //g' | rev | cut -c2- | rev)"
         if [ "$GLIBC_VERSION" = "2.38" ]; then
-          FZF_TAB_FILE="${pkgs.zsh-fzf-tab}/share/fzf-tab/fzf-tab.plugin.zsh"
+          FZF_TAB_PLUGIN="${pkgs.zsh-fzf-tab}/share/fzf-tab/fzf-tab.plugin.zsh"
         fi
       else
-        FZF_TAB_FILE="${pkgs.zsh-fzf-tab}/share/fzf-tab/fzf-tab.plugin.zsh"
+        FZF_TAB_PLUGIN="${pkgs.zsh-fzf-tab}/share/fzf-tab/fzf-tab.plugin.zsh"
       fi
 
-      AUTOSUGGEST_FILE="${pkgs.zsh-autosuggestions}/share/zsh-autosuggestions/zsh-autosuggestions.zsh"
     '' + (builtins.readFile config/.zshrc);
   };
 }