Add fzf-tab plugin for ZSH

Use fzf as autocompletion wrapper for zsh autocompletion

home/files/zshrc

@@ -70,3 +70,14 @@ zstyle ':completion::complete:git-checkout:argument-rest:' group-order heads-loc
 zstyle ':completion::complete:git-checkout:argument-rest:commits' command 'echo'
 zstyle ':completion::complete:git-checkout:argument-rest:valid-ref-names' command 'echo'
 zstyle ':completion::complete:git-checkout:argument-rest:remote-branch-refs-noprefix' command 'echo'
+
+
+# Configuration for fzf-tab, see: https://github.com/Aloxaf/fzf-tab#configure
+# disable sort when completing `git checkout`
+zstyle ':completion:*:git-checkout:*' sort false
+# set descriptions format to enable group support
+zstyle ':completion:*:descriptions' format '[%d]'
+# set list-colors to enable filename colorizing
+zstyle ':completion:*' list-colors ${(s.:.)LS_COLORS}
+# switch group using `,` and `.`
+zstyle ':fzf-tab:*' switch-group ',' '.'

home/programs/zsh.nix

@@ -32,5 +32,8 @@
 
   initExtra = builtins.readFile(../files/zshrc) + ''
     zstyle ':completion:*' cache-path ${config.xdg.cacheHome}/zsh-completion/
+
+    # Load fzf tab plugin
+    source ${pkgs.zsh-fzf-tab}/share/fzf-tab/fzf-tab.zsh
   '';
 }