add zsh

3 files changed, 90 insertions, 1 deletions

diff --git a/link-user b/link-user
index 2cef63d..6684160 100755
--- a/link-user
+++ b/link-user
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # Symlinks the files in user/ into my XDG_CONFIG_HOME.
 
-XDG_CONFIG_HOME=$HOME/.config
+set -u
 
 cd $(dirname "$0") # change to the directory of the script
 cd user
diff --git a/nixos/parts/basics.nix b/nixos/parts/basics.nix
index 197e22e..77bc68d 100644
--- a/nixos/parts/basics.nix
+++ b/nixos/parts/basics.nix
@@ -4,4 +4,24 @@
   environment.systemPackages = with pkgs; [
     git
   ];
+
+  users.defaultUserShell = pkgs.zsh;
+  programs.zsh = {
+    enable = true;
+
+    # Disabling compinit in /etc/zshrc so that we can call
+    # compinit with a custom zcompdump location in .zshrc.
+    enableGlobalCompInit = false;
+  };
+
+  environment.sessionVariables =
+    let
+      config = "$HOME/config/user";
+    in
+    {
+      # Set environment variables for software that doesn't
+      # follow the XDG Base Directory specification.
+
+      ZDOTDIR = "${config}/zsh";
+    };
 }
diff --git a/user/zsh/.zshrc b/user/zsh/.zshrc
new file mode 100644
index 0000000..624cb33
--- /dev/null
+++ b/user/zsh/.zshrc
@@ -0,0 +1,69 @@
+# This is my ZSH config file. I'm using ZSH over Bash
+# because it has better autocompletion.
+
+## Key bindings
+# vi mode
+bindkey -v
+# default in Bash
+bindkey "^R" history-incremental-search-backward
+
+## Options
+setopt autocd
+setopt nomatch
+
+## Functions
+function ls() {
+    # Hide the mess in the home directory by default.
+    if [[ $PWD == $HOME ]]; then
+        command ls "$@"
+    else
+        command ls --almost-all "$@"
+    fi
+}
+
+## Aliases
+alias ls='ls --color=auto --group-directories-first' # see also ls function
+
+## Shell variables
+PS1='%F{magenta}'
+  PS1+='%n'    # username
+PS1+='%f'
+PS1+='@'
+PS1+='%m'      # hostname
+PS1+=' '
+PS1+='%B'
+  PS1+='%40<..<' # truncate (40 chars, indicate with ..)
+    PS1+='%~'    # current directory
+  PS1+='%<<'
+PS1+='%b'
+PS1+=' '
+PS1+='%#'      # `#` if the shell runs with privileges else `%`
+PS1+=' '
+
+HISTSIZE=1000000000
+SAVEHIST=1000000000
+
+## Environment variables
+export XDG_CACHE_HOME=$HOME/.cache
+export XDG_CONFIG_HOME=$HOME/.config
+
+## Completion
+autoload -Uz compinit
+[ -d "$XDG_CACHE_HOME"/zsh ] || mkdir -p "$XDG_CACHE_HOME"/zsh
+compinit -d "$XDG_CACHE_HOME"/zsh/zcompdump-$ZSH_VERSION
+
+# Terminal emulator specifics
+if [ $TERM = foot ]; then
+    # Enable spawning of new terminal instances in the current working directory
+    function osc7-pwd() {
+        emulate -L zsh # also sets localoptions for us
+        setopt extendedglob
+        local LC_ALL=C
+        printf '\e]7;file://%s%s\e\' $HOST ${PWD//(#m)([^@-Za-z&-;_~])/%${(l:2::0:)$(([##16]#MATCH))}}
+    }
+
+    function chpwd-osc7-pwd() {
+        (( ZSH_SUBSHELL )) || osc7-pwd
+    }
+    add-zsh-hook -Uz chpwd chpwd-osc7-pwd
+fi