Rename raspbian-update, make install script

It's understandable why you might want to pull this off a server in case
how you have to upgrade things changes for some reason, but we're moving
toward following Debian's lead on these things to the greatest extent
possible.

scripts/a2server-2-tools.txt

@@ -182,7 +182,7 @@ else
 	echo "A2SERVER: unzip has already been installed."
 fi
 
-a2sTools="afpsync afptype mkatinit mkvolinfo cppo"
+a2sTools="afpsync afptype mkatinit mkvolinfo cppo raspbian-update"
 a2sHelp="a2server-help.txt"
 a2sConfScripts="a2server-aliases a2serverrc"
 if [[ -z "$a2sDevel" ]]; then

scripts/tools/a2server-aliases

@@ -12,7 +12,7 @@ alias system-restart='sudo shutdown -r now'
 
 
 alias raspi-config='[[ -f /usr/bin/raspi-config ]] && sudo /usr/bin/raspi-config || echo "raspi-config not found. Are you using a Raspberry Pi with Raspbian?"'
-alias raspbian-update='wget -qO /tmp/raspbian-update ${A2SERVER_SCRIPT_URL:-https://raw.githubusercontent.com/RasppleII/a2server/current/}scripts/raspbian-update.txt || { echo "Can'"'"'t download A2SERVER setup scripts. Do you has internet?"; false; } && source /tmp/raspbian-update'
+
 alias rasppleii-update='raspbian-update a2cloud a2server'
 
 alias welcome-message-edit='sudo nano /etc/motd'

setup/index.txt

@@ -184,8 +184,10 @@ done
 
 if [[ $updateRasppleII ]]; then
 	echo "A2SERVER: Updating Raspple II (takes up to an hour)..."
-	wget -qO /tmp/raspbian-update "${A2SERVER_SCRIPT_URL}scripts/raspbian-update.txt"
-	source /tmp/raspbian-update a2cloud a2server $autoAnswerYes $skipRepoUpdate
+	wget -qO /tmp/raspbian-update "${A2SERVER_SCRIPT_URL}scripts/tools/raspbian-update"
+	chmod +x /tmp/raspbian-update
+	/tmp/raspbian-update a2cloud a2server $autoAnswerYes $skipRepoUpdate
+	rm -f /tmp/raspbian-update
 	if [[ $0 == "-bash" ]]; then
 		return 0
 	else