[bash] Update colors for bash prompt.

.bashrc.dotfiles

@@ -23,8 +23,14 @@ fi
 # dotfiles alias
 alias dotfiles='git --git-dir="$HOME/.dotfiles.git/" --work-tree="$HOME/"'
 
-# Common bash prompt
+# Bash prompt
-export PS1="[\[\e[32m\e[1m\]\u@\h\[\e[0m\]:\[\e[34m\e[1m\]\w\[\e[0m\]]\$ "
+if [[ "${TERM}" =~ 256 ]]; then
+    # Colors from vim-airline bubblegum theme: 110 blue, 150 green
+    PS1="[\[\e[38;5;150m\e[1m\]\u@\h\[\e[0m\]:\[\e[38;5;110m\e[1m\]\w\e[0m\]]\$ "
+else
+    PS1="[\[\e[32m\e[1m\]\u@\h\[\e[0m\]:\[\e[34m\e[1m\]\w\[\e[0m\]]\$ "
+fi
+export PS1
 
 # Julia environment variables
 export JULIA_PKG_DEVDIR=$HOME/dev