Replace exa with eza

`exa` is unmaintained, `eza` is a maintained fork.

config/zsh/aliases.zsh

@@ -1,9 +1,9 @@
 # ls:  make `ls` group directories first if supported.
 # lsc: force `ls` to use color output (e.g. for piping into `less`).
-if command -v exa >/dev/null 2>&1; then
-  # Prefer exa if installed
+if command -v eza >/dev/null 2>&1; then
+  # Prefer eza if installed
   alias \
-    ls="exa --classify --group-directories-first --group --links" \
+    ls="eza --classify --group-directories-first --group --links" \
     la="ls --all" \
     lt="ls --long --tree --ignore-glob='.git'" \
     lta="lt --all" \

debian.sh

@@ -7,6 +7,7 @@ DOTFILES_URL="https://github.com/fschauen/dotfiles.git"
 NEOVIM_VERSION="0.9.1"
 GIT_DELTA_VERSION="0.16.5"
 LF_VERSION="r30"
+EZA_VERSION="0.18.5"
 
 STOW_DIR="/usr/local/stow"
 
@@ -180,6 +181,21 @@ install_lf() {
   fi
 }
 
+install_eza() {
+  eza_url="http://deb.gierens.de/pool/main/e/eza/eza_${EZA_VERSION}_amd64.deb"
+  eza_deb="eza_${EZA_VERSION}_amd64.deb"
+  eza_bin="/usr/bin/eza"
+
+  if [ -f "${eza_bin}" ]; then
+    skipped "${eza_bin} exists"
+  elif ! download "${eza_url}" "${eza_deb}"; then
+    skipped "${eza_deb} not available and failed to download ${eza_url}"
+  else
+    $cmd dpkg -i "${eza_deb}"
+    $cmd rm -vf "${eza_deb}"
+  fi
+}
+
 user_setup() {
   if user_exists "$1"; then
     echo "User $1 exists. Updating..."
@@ -259,6 +275,9 @@ execute() {
   heading "Install lf v$LF_VERSION"
   install_lf
 
+  heading "Install exa v$EZA_VERSION"
+  install_eza
+
   heading "Setup user: $USERNAME"
   user_setup "$USERNAME"