Vim, .profile: Lots of changes, like tablines and prefixes

.profile

@@ -58,7 +58,10 @@ PATH="$desiredpath:$PATH"
 [ -f "/etc/profile.d/bash_completion.sh" ] && . "/etc/profile.d/bash_completion.sh"
 
 # Source ~/.functions, if it exists
-[ -r "$HOME/.functions" ] && [ "$_baseshell" != "sh" ] && . "$HOME/.functions"
+[ -r "$HOME/.functions" ] \
+	&& [ "$_baseshell" != "sh" ] \
+	&& [ "$_baseshell" != "dash" ] \
+	&& . "$HOME/.functions"
 
 # Define a require function
 has() {
@@ -200,9 +203,9 @@ _ps1() {
 	if [ "$SSH_CLIENT" ]; then
 		prefix="${fg_bold}${fg_red}$(hostname)${r}${fg_red}:${r}${prefix}"
 	fi
-	# Append a "restricted" prefix in rbash
-	if [ "$0" = "rbash" ]; then
-		prefix="${fg_bold}${fg_grey}rbash${r}:"
+	# Append "vim" in Vim
+	if [ -n "$VIM_TERMINAL" ]; then
+		prefix="${fg_bold}${fg_green}*${r}"
 	fi
 	# Change PWD color depending on the shell
 	case $0 in
@@ -239,7 +242,7 @@ case "$_baseshell" in
 		# Don't do this on ZSH
 		# I have a custom theme for that
 		;;
-	sh)
+	sh|dash)
 		export PS1='\$ '
 		;;
 	*)