bash: replace ls with exa when available

roles/bash/files/profile

@@ -163,21 +163,26 @@ __ps1_set() {
 
 # ls:  make `ls` group directories first if supported.
 # lsc: force `ls` to use color output (e.g. for piping into `less`).
-if ls --group-directories-first --color=auto &>/dev/null 2>&1; then
+if command -v exa >/dev/null; then
+    alias ls="exa -F --git --group-directories-first --group --links -I'.git'"
+    alias la="ls -a"
+    alias lt="ls -lT"
+    alias lta="ls -lTa"
+    alias lsc="ls --color=always"
+elif ls --group-directories-first --color=auto &>/dev/null 2>&1; then
     # GNU ls
     alias ls="ls -hF --group-directories-first --color=auto"
+    alias la="ls -A"
     alias lsc="ls --color=always"
 else
     # BSD ls (e.g. macOS)
     alias ls="ls -hF -G"
+    alias la="ls -A"
     alias lsc="/usr/bin/env CLICOLOR_FORCE=1 ls"
 fi
 
-alias la="ls -a"
 alias ll="ls -l"
-alias lla="ls -la"
-alias llc="lsc -l"
-alias llac="lsc -la"
+alias lla="la -l"
 
 alias g='git'
 alias ga='git a'

roles/packages/tasks/main.yml

@@ -6,6 +6,7 @@
       apt: name={{ item }} state=latest update_cache=yes
       loop:
           - curl
+          - exa
           - exuberant-ctags
           - ffmpeg
           - gpg
@@ -32,6 +33,7 @@
           - coreutils
           - ctags
           - curl
+          - exa
           - exiftool
           - ffmpeg
           - findutils