add fancy new functions, with shared helpers

1 files changed, 77 insertions, 0 deletions

diff --git a/.config/init/helpers b/.config/init/helpers
new file mode 100644
index 0000000..69963cb
--- /dev/null
+++ b/.config/init/helpers
@@ -0,0 +1,77 @@
+print-error() {
+	1>&2 echo "\e[1;31merror:\e[0m $1"
+}
+
+abort() {
+	print-error $1
+	exit 1
+}
+
+wait-anim() {
+	[[ $#@ -ne 0 ]] && [[ $#@ -lt 4 ]] || return 1
+
+	local pidpat='^[1-9][0-9]*$'
+	local colourpat='^(black|light_black|red|light_red|green|light_green|yellow|light_yellow|blue|light_blue|magenta|light_magenta|cyan|light_cyan|white|light_white)$'
+
+	[[ $1 =~ $pidpat ]] || return 1
+	if [[ ! -z $3 ]]; then
+		[[ $3 =~ $colourpat ]] || return 1
+	fi
+
+	local message
+	local colour
+
+	[[ -z $2 ]] && message='waiting...' || message=$2
+	[[ -z $3 ]] && colour='yellow' || colour=$3
+
+	case $colour in
+		'black') colour='\e[30m' ;;
+		'light_black') colour='\e[1;30m' ;;
+		'red') colour='\e[31m' ;;
+		'light_red') colour='\e[1;31m' ;;
+		'green') colour='\e[32m' ;;
+		'light_green') colour='\e[1;32m' ;;
+		'yellow') colour='\e[33m' ;;
+		'light_yellow') colour='\e[1;33m' ;;
+		'blue') colour='\e[34m' ;;
+		'light_blue') colour='\e[1;34m' ;;
+		'magenta') colour='\e[35m' ;;
+		'light_magenta') colour='\e[1;35m' ;;
+		'cyan') colour='\e[36m' ;;
+		'light_cyan') colour='\e[1;36m' ;;
+		'white') colour='\e[37m' ;;
+		'light_white') colour='\e[1;37m' ;;
+	esac
+
+	local curframe
+	local frames
+
+	case $(($RANDOM % 7)) in
+		0) frames=('▁' '▂' '▃' '▄' '▅' '▆' '▇' '█' '▇' '▆' '▅' '▄' '▃' '▂') ;;
+		1) frames=(' ' '▖' '▚' '▝' ' ' '▘' '▞' '▗') ;;
+		2) frames=('╀' '╂' '╁' '┼' '┽' '┿' '┾' '┼' '╁' '╂' '╀' '┼' '┾' '┿' '┽' '┼') ;;
+		3) frames=('─' '└' '│' '┌' '─' '┐' '│' '┘') ;;
+		4) frames=('.' '｡' '×' ':' '*' '.' '°' '♪' '×' '♫' '°' '♡') ;;
+		5) frames=(' ' ' ' '░' '░' '▒' '▒' '▓' '▓' '█' '█' '▓' '▓' '▒' '▒' '░' '░') ;;
+		6) frames=('O' 'o' '.' 'o') ;;
+	esac
+
+	(while 2>/dev/null kill -0 $1; do
+		if [[ -z $curframe ]]; then
+			curframe=0
+			printf "\e[s"
+		else
+			printf "\e[u\e[K"
+		fi
+		printf "|\e[1;32m${frames[$(($curframe + 1))]}\e[0m| $colour$message\e[0m"
+		curframe=$(( ($curframe + 1) % $#frames ))
+		sleep .2
+	done) &
+
+	# trap "echo -n '\e[G\e[J\e[s'" SIGWINCH
+
+	wait $1
+	local r=$?
+	printf "\e[u\e[K"
+	return $r
+}