update
menu driven build menu
This commit is contained in:
479
rebuild-nix.sh
479
rebuild-nix.sh
@@ -1,19 +1,478 @@
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#!/usr/bin/env bash
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# Okay need to get the hostname and see if this exists in our list of items.
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hostname=$(hostname -f)
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if [ $hostname == "nixos" ]
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then
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echo "This distro has not been initialised"
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else
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# Okay need to get the hostname and see if this exists in our list of items.
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start () {
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if [ $hostname == "nixos" ]
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then
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# no hostname defined. need to generate menu.
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menuItems=(
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"1. blade "
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"2. W00072"
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"3. W00149"
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"Q. Exit "
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)
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menuActions=(
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setupBlade
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setupW00072
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setupW00149
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quitApp
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)
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menuTitle=" New nixos instance detected. Please select a build to deploy."
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else
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# Need to check if the nix file exists
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if [[ ! -f "$hostname.nix" ]]
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then
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echo "Your host does not have a config"
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menuItems=(
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"Q. Exit"
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)
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menuActions=(
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quitApp
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)
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menuTitle=" $hostname was not found in our configs. Please make one of move it into the folder."
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else
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echo "Performing Build"
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sudo nixos-rebuild switch -I nixos-config=./$hostname.nix
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menuItems=(
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"1. Start Build"
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"Q. Exit "
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)
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menuActions=(
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doBuild
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quitApp
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)
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menuTitle=" $hostname was found. Proceed with rebuild?"
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fi
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fi
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menuFooter=" Enter=Select, Navigate via Up/Down/First number/letter"
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menuWidth=60
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menuLeft=25
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menuHighlight=$DRAW_COL_GREEN
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menuInit
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menuLoop
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}
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setupBlade () {
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hostname="blade"
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doBuild
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}
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setupW00072 () {
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hostname="w00072"
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doBuild
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}
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setupW00149 () {
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hostname="w00149"
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doBuild
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}
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doBuild () {
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sudo nixos-rebuild switch -I nixos-config=./$hostname.nix
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return 0
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}
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quitApp () {
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return 0
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}
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#
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# Public Functions
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#
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# menuInit()
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# menuLoop()
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#
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#
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# Public Variables to Override
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#
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# Should these get passed into menuInit() rather than be set as global
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# script variables?
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#
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# menuTop # Top row of menu (defaults to row 2)
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# menuLeft # Left offset for menu item text (defaults to column 15)
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# menuWidth # Width of menu (defaults to 42 columns)
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# menuMargin # Left offset for menu border (defaults to column 4)
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#
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# menuColour # Colour of menu text (defaults to DRAW_COL_WHITE)
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# menuHighlight # Highlight colour for menu (defaults to DRAW_COL_GREEN)
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#
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# menuTitle # Title of menu
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# menuFooter # Footer text of menu
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#
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# menuItems # Array containing menu item text
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# menuActions # Array containing functions to call upon menu item selection
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#
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# Ensure we are running under bash (will not work under sh or dash etc)
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if [ "$BASH_SOURCE" = "" ]; then
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echo "ERROR: bash-menu requires to be running under bash"
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exit 1
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fi
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# Get script root (as we are sourced from another script, $0 will not be us)
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declare -r menuScript=$(readlink -f ${BASH_SOURCE[0]})
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menuRoot=$(dirname "$menuScript")
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################################
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# Private Variables
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#
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# These should not be overridden
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################################
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declare -a menuItems
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declare -a menuActions
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menuHeaderText=""
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menuFooterText=""
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menuBorderText=""
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################################
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# Setup Menu
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#
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# These are defaults which should
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# be overridden as required.
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################################
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# Top of menu (row 2)
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menuTop=2
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# Left offset for menu items (not border)
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menuLeft=15
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# Width of menu
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menuWidth=42
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# Left offset for menu border (not menu items)
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menuMargin=4
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menuItems[0]="Exit"
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menuActions[0]="return 0"
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menuItemCount=1
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menuLastItem=0
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menuColour=$DRAW_COL_WHITE
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menuHighlight=$DRAW_COL_GREEN
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menuTitle=" Super Bash Menu System"
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menuFooter=" Enter=Select, Up/Down=Prev/Next Option"
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################################
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# Initialise Menu
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################################
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menuInit() {
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menuItemCount=${#menuItems[@]}
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menuLastItem=$((menuItemCount-1))
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# Ensure header and footer are padded appropriately
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menuHeaderText=`printf "%-${menuWidth}s" "$menuTitle"`
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menuFooterText=`printf "%-${menuWidth}s" "$menuFooter"`
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# Menu (side) borders
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local marginSpaces=$((menuMargin-1))
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local menuSpaces=$((menuWidth-2))
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local leftGap=`printf "%${marginSpaces}s" ""`
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local midGap=`printf "%${menuSpaces}s" ""`
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menuBorderText="${leftGap}x${midGap}x"
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}
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################################
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# Show Menu
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################################
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menu_Display() {
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local menuSize=$((menuItemCount+2))
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local menuEnd=$((menuSize+menuTop+1))
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drawClear
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drawColour $menuColour $menuHighlight
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# Menu header
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drawHighlightAt $menuTop $menuMargin "$menuHeaderText" 1
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# Menu (side) borders
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for row in $(seq 1 $menuSize); do
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drawSpecial "$menuBorderText" 1
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done
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# Menu footer
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drawHighlightAt $menuEnd $menuMargin "$menuFooterText" 1
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# Menu items
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for item in $(seq 0 $menuLastItem); do
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menu_ClearItem $item
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done
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}
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################################
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# Mark Menu Items
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################################
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# Ensure menu item is not highlighted
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menu_ClearItem() {
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local item=$1
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local top=$((menuTop+item+2))
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local menuText=${menuItems[$item]}
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drawPlainAt $top $menuLeft "$menuText"
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}
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# Highlight menu item
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menu_HighlightItem() {
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local item=$1
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local top=$((menuTop+item+2))
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local menuText=${menuItems[$item]}
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drawHighlightAt $top $menuLeft "$menuText"
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}
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################################
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# Wait for and process user input
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################################
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menu_HandleInput() {
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local choice=$1
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local after=$((choice+1))
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[[ $after -gt $menuLastItem ]] && after=0
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local before=$((choice-1))
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[[ $before -lt 0 ]] && before=$menuLastItem
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# Clear highlight from prev/next menu items
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menu_ClearItem $before
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menu_ClearItem $after
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# Highlight current menu item
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menu_HighlightItem $choice
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# Get keyboard input
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local key=""
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local extra=""
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read -s -n1 key 2> /dev/null >&2
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while read -s -n1 -t .05 extra 2> /dev/null >&2 ; do
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key="$key$extra"
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done
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# Handle known keys
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local escKey=`echo -en "\033"`
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local upKey=`echo -en "\033[A"`
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local downKey=`echo -en "\033[B"`
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if [[ $key = $upKey ]]; then
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return $before
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elif [[ $key = $downKey ]]; then
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return $after
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elif [[ $key = $escKey ]]; then
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if [[ $choice -eq $menuLastItem ]]; then
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# Pressing Esc while on last menu item will trigger action
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# This is a helper as we assume the last menu option is exit
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key=""
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else
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# Jumping possibly more than 1 (next/prev) item
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menu_ClearItem $choice
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return $menuLastItem
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fi
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elif [[ ${#key} -eq 1 ]]; then
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# See if we wanrt to jump to a menu item
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# by entering the first character
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for index in $(seq 0 $menuLastItem) ; do
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local item=${menuItems[$index]}
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local startChar=${item:0:1}
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if [[ "$key" = "$startChar" ]]; then
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# Jumping possibly more than 1 (next/prev) item
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menu_ClearItem $choice
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return $index
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fi
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done
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fi
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if [[ "$key" = "" ]]; then
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# Notify that Enter key was pressed
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return 255
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fi
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return $choice
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}
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################################
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# Main Menu Loop
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################################
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menuLoop() {
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local choice=0
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local running=1
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menu_Display
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while [[ $running -eq 1 ]]; do
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# Enable case insensitive matching
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local caseMatch=`shopt -p nocasematch`
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shopt -s nocasematch
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menu_HandleInput $choice
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local newChoice=$?
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# Revert to previous case matching
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$caseMatch
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if [[ $newChoice -eq 255 ]]; then
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# Enter pressed - run menu action
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drawClear
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action=${menuActions[$choice]}
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$action
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running=$?
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# Back from action
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# If we are still running, redraw menu
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[[ $running -eq 1 ]] && menu_Display
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elif [[ $newChoice -lt $menuItemCount ]]; then
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# Update selected menu item
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choice=$newChoice
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fi
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done
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# Cleanup screen
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drawClear
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}
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#
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# Public Functions:
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#
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# drawClear()
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# drawColour(colour = DRAW_COL_DEF, bgColour = DRAW_COL_DEF)
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#
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# drawPlain(text, newLine = 0)
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# drawSpecial(text, newLine = 0)
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# drawHighlight(text, newLine = 0)
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# drawPlainAt(left, top, text, newLine = 0)
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# drawHighlightAt(left, top, text, newLine = 0)
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#
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#
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# Colours
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#
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# DRAW_COL_DEF # Default colour
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# DRAW_COL_BLACK
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# DRAW_COL_WHITE
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# DRAW_COL_RED
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# DRAW_COL_GREEN
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# DRAW_COL_YELLOW
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# DRAW_COL_BLUE
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# DRAW_COL_GRAY # Light gray (grey?)
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#
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# Ensure we are running under bash (will not work under sh or dash etc)
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if [ "$BASH_SOURCE" = "" ]; then
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echo "ERROR: bash-draw requires to be running under bash"
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exit 1
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fi
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DRAW_COL_DEF=39
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DRAW_COL_BLACK=30
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DRAW_COL_WHITE=97
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DRAW_COL_RED=31
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DRAW_COL_GREEN=32
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DRAW_COL_YELLOW=33
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DRAW_COL_BLUE=34
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DRAW_COL_GRAY=37
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# drawClear()
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drawClear() {
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$ESC_WRITE "\033c"
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}
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# drawColour(colour = DRAW_COL_DEF, bgColour = DRAW_COL_DEF)
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drawColour() {
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local colour=$DRAW_COL_DEF
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local bgColour=$((DRAW_COL_DEF+10))
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if [[ ! -z "$1" && "$1" != "" ]]; then
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colour="$1"
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fi
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if [[ ! -z "$2" && "$2" != "" ]]; then
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bgColour="$2"
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fi
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$ESC_ECHO "\033c\033[H\033[J\033[${colour};${bgColour}m\033[J"
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}
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# drawPlain(text, newLine = 0)
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drawPlain() {
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if [[ -z "$2" || "$2" -eq 0 ]]; then
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$ESC_WRITE "$1"
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else
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$ESC_ECHO "$1"
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fi
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}
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# drawSpecial(text, newLine = 0)
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drawSpecial() {
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[[ -z "$2" ]] && newLine=0 || newLine="$2"
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draw_SetDrawMode
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drawPlain "$1" "$newLine"
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draw_SetWriteMode
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}
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# drawHighlight(text, newLine = 0)
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drawHighlight() {
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[[ -z "$2" ]] && newLine=0 || newLine="$2"
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draw_StartHighlight
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drawPlain "$1" "$newLine"
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draw_EndHighlight
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}
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# drawPlainAt(left, top, text, newLine = 0)
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drawPlainAt() {
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[[ -z "$4" ]] && newLine=0 || newLine="$4"
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draw_MoveTo $1 $2
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drawPlain "$3" "$newLine"
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}
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# drawHighlightAt(left, top, text, newLine = 0)
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drawHighlightAt() {
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[[ -z "$4" ]] && newLine=0 || newLine="$4"
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draw_StartHighlight
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drawPlainAt "$1" "$2" "$3" "$newLine"
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draw_EndHighlight
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}
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# Write escape sequence with no newline
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ESC_WRITE='echo -en'
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# Write escape sequence adding newline
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ESC_ECHO='echo -e'
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# Move cursor to specified location
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draw_MoveTo() {
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$ESC_WRITE "\033[${1};${2}H"
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}
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draw_StartHighlight() {
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$ESC_WRITE "\033[7m"
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}
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draw_EndHighlight() {
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$ESC_WRITE "\033[27m"
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}
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draw_SetDrawMode() {
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$ESC_WRITE "\033%@\033(0"
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}
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draw_SetWriteMode() {
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$ESC_WRITE "\033(B"
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}
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start;
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Reference in New Issue
Block a user