trimmed some stuff and reorganized the dotfiles
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28 changed files with 375 additions and 174 deletions
318
bin/revolver
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318
bin/revolver
Normal file
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@ -0,0 +1,318 @@
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#!/usr/bin/env zsh
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local -A _revolver_spinners
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_revolver_spinners=(
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'dots' '0.08 ⠋ ⠙ ⠹ ⠸ ⠼ ⠴ ⠦ ⠧ ⠇ ⠏'
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'dots2' '0.08 ⣾ ⣽ ⣻ ⢿ ⡿ ⣟ ⣯ ⣷'
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'dots3' '0.08 ⠋ ⠙ ⠚ ⠞ ⠖ ⠦ ⠴ ⠲ ⠳ ⠓'
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'dots4' '0.08 ⠄ ⠆ ⠇ ⠋ ⠙ ⠸ ⠰ ⠠ ⠰ ⠸ ⠙ ⠋ ⠇ ⠆'
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'dots5' '0.08 ⠋ ⠙ ⠚ ⠒ ⠂ ⠂ ⠒ ⠲ ⠴ ⠦ ⠖ ⠒ ⠐ ⠐ ⠒ ⠓ ⠋'
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'dots6' '0.08 ⠁ ⠉ ⠙ ⠚ ⠒ ⠂ ⠂ ⠒ ⠲ ⠴ ⠤ ⠄ ⠄ ⠤ ⠴ ⠲ ⠒ ⠂ ⠂ ⠒ ⠚ ⠙ ⠉ ⠁'
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'dots7' '0.08 ⠈ ⠉ ⠋ ⠓ ⠒ ⠐ ⠐ ⠒ ⠖ ⠦ ⠤ ⠠ ⠠ ⠤ ⠦ ⠖ ⠒ ⠐ ⠐ ⠒ ⠓ ⠋ ⠉ ⠈'
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'dots8' '0.08 ⠁ ⠁ ⠉ ⠙ ⠚ ⠒ ⠂ ⠂ ⠒ ⠲ ⠴ ⠤ ⠄ ⠄ ⠤ ⠠ ⠠ ⠤ ⠦ ⠖ ⠒ ⠐ ⠐ ⠒ ⠓ ⠋ ⠉ ⠈ ⠈'
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'dots9' '0.08 ⢹ ⢺ ⢼ ⣸ ⣇ ⡧ ⡗ ⡏'
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'dots10' '0.08 ⢄ ⢂ ⢁ ⡁ ⡈ ⡐ ⡠'
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'dots11' '0.1 ⠁ ⠂ ⠄ ⡀ ⢀ ⠠ ⠐ ⠈'
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'dots12' '0.08 "⢀⠀" "⡀⠀" "⠄⠀" "⢂⠀" "⡂⠀" "⠅⠀" "⢃⠀" "⡃⠀" "⠍⠀" "⢋⠀" "⡋⠀" "⠍⠁" "⢋⠁" "⡋⠁" "⠍⠉" "⠋⠉" "⠋⠉" "⠉⠙" "⠉⠙" "⠉⠩" "⠈⢙" "⠈⡙" "⢈⠩" "⡀⢙" "⠄⡙" "⢂⠩" "⡂⢘" "⠅⡘" "⢃⠨" "⡃⢐" "⠍⡐" "⢋⠠" "⡋⢀" "⠍⡁" "⢋⠁" "⡋⠁" "⠍⠉" "⠋⠉" "⠋⠉" "⠉⠙" "⠉⠙" "⠉⠩" "⠈⢙" "⠈⡙" "⠈⠩" "⠀⢙" "⠀⡙" "⠀⠩" "⠀⢘" "⠀⡘" "⠀⠨" "⠀⢐" "⠀⡐" "⠀⠠" "⠀⢀" "⠀⡀"'
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'line' '0.13 - \\ | /'
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'line2' '0.1 ⠂ - – — – -'
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'pipe' '0.1 ┤ ┘ ┴ └ ├ ┌ ┬ ┐'
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'simpleDots' '0.4 ". " ".. " "..." " "'
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'simpleDotsScrolling' '0.2 ". " ".. " "..." " .." " ." " "'
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'star' '0.07 ✶ ✸ ✹ ✺ ✹ ✷'
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'star2' '0.08 + x *'
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'flip' "0.07 _ _ _ - \` \` ' ´ - _ _ _"
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'hamburger' '0.1 ☱ ☲ ☴'
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'growVertical' '0.12 ▁ ▃ ▄ ▅ ▆ ▇ ▆ ▅ ▄ ▃'
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'growHorizontal' '0.12 ▏ ▎ ▍ ▌ ▋ ▊ ▉ ▊ ▋ ▌ ▍ ▎'
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'balloon' '0.14 " " "." "o" "O" "@" "*" " "'
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'balloon2' '0.12 . o O ° O o .'
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'noise' '▓ ▒ ░'
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'bounce' '0.1 ⠁ ⠂ ⠄ ⠂'
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'boxBounce' '0.12 ▖ ▘ ▝ ▗'
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'boxBounce2' '0.1 ▌ ▀ ▐ ▄'
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'triangle' '0.05 ◢ ◣ ◤ ◥'
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'arc' '0.1 ◜ ◠ ◝ ◞ ◡ ◟'
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'circle' '0.12 ◡ ⊙ ◠'
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'squareCorners' '0.18 ◰ ◳ ◲ ◱'
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'circleQuarters' '0.12 ◴ ◷ ◶ ◵'
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'circleHalves' '0.05 ◐ ◓ ◑ ◒'
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'squish' '0.1 ╫ ╪'
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'toggle' '0.25 ⊶ ⊷'
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'toggle2' '0.08 ▫ ▪'
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'toggle3' '0.12 □ ■'
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'toggle4' '0.1 ■ □ ▪ ▫'
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'toggle5' '0.1 ▮ ▯'
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'toggle6' '0.3 ဝ ၀'
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'toggle7' '0.08 ⦾ ⦿'
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'toggle8' '0.1 ◍ ◌'
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'toggle9' '0.1 ◉ ◎'
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'toggle10' '0.1 ㊂ ㊀ ㊁'
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'toggle11' '0.05 ⧇ ⧆'
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'toggle12' '0.12 ☗ ☖'
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'toggle13' '0.08 = * -'
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'arrow' '0.1 ← ↖ ↑ ↗ → ↘ ↓ ↙'
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'arrow2' '0.12 ▹▹▹▹▹ ▸▹▹▹▹ ▹▸▹▹▹ ▹▹▸▹▹ ▹▹▹▸▹ ▹▹▹▹▸'
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'bouncingBar' '0.08 "[ ]" "[ =]" "[ ==]" "[ ===]" "[====]" "[=== ]" "[== ]" "[= ]"'
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'bouncingBall' '0.08 "( ● )" "( ● )" "( ● )" "( ● )" "( ●)" "( ● )" "( ● )" "( ● )" "( ● )" "(● )"'
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'pong' '0.08 "▐⠂ ▌" "▐⠈ ▌" "▐ ⠂ ▌" "▐ ⠠ ▌" "▐ ⡀ ▌" "▐ ⠠ ▌" "▐ ⠂ ▌" "▐ ⠈ ▌" "▐ ⠂ ▌" "▐ ⠠ ▌" "▐ ⡀ ▌" "▐ ⠠ ▌" "▐ ⠂ ▌" "▐ ⠈ ▌" "▐ ⠂▌" "▐ ⠠▌" "▐ ⡀▌" "▐ ⠠ ▌" "▐ ⠂ ▌" "▐ ⠈ ▌" "▐ ⠂ ▌" "▐ ⠠ ▌" "▐ ⡀ ▌" "▐ ⠠ ▌" "▐ ⠂ ▌" "▐ ⠈ ▌" "▐ ⠂ ▌" "▐ ⠠ ▌" "▐ ⡀ ▌" "▐⠠ ▌"'
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'shark' '0.12 "▐|\\____________▌" "▐_|\\___________▌" "▐__|\\__________▌" "▐___|\\_________▌" "▐____|\\________▌" "▐_____|\\_______▌" "▐______|\\______▌" "▐_______|\\_____▌" "▐________|\\____▌" "▐_________|\\___▌" "▐__________|\\__▌" "▐___________|\\_▌" "▐____________|\\▌" "▐____________/|▌" "▐___________/|_▌" "▐__________/|__▌" "▐_________/|___▌" "▐________/|____▌" "▐_______/|_____▌" "▐______/|______▌" "▐_____/|_______▌" "▐____/|________▌" "▐___/|_________▌" "▐__/|__________▌" "▐_/|___________▌" "▐/|____________▌"'
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)
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###
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# Output usage information and exit
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###
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function _revolver_usage() {
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echo "\033[0;33mUsage:\033[0;m"
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echo " revolver [options] <command> <message>"
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echo
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echo "\033[0;33mOptions:\033[0;m"
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echo " -h, --help Output help text and exit"
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echo " -v, --version Output version information and exit"
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echo " -s, --style Set the spinner style"
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echo
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echo "\033[0;33mCommands:\033[0;m"
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echo " start <message> Start the spinner"
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echo " update <message> Update the message"
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echo " stop Stop the spinner"
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echo " demo Display an demo of each style"
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}
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###
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# The main revolver process, which contains the loop
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###
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function _revolver_process() {
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local dir statefile state msg pid="$1" spinner_index=0
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# Find the directory and load the statefile
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dir=${REVOLVER_DIR:-"${ZDOTDIR:-$HOME}/.revolver"}
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statefile="$dir/$pid"
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# The frames that, when animated, will make up
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# our spinning indicator
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frames=(${(@z)_revolver_spinners[$style]})
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interval=${(@z)frames[1]}
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shift frames
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# Create a never-ending loop
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while [[ 1 -eq 1 ]]; do
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# If the statefile has been removed, exit the script
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# to prevent it from being orphaned
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if [[ ! -f $statefile ]]; then
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exit 1
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fi
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# Check for the existence of the parent process
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$(kill -s 0 $pid 2&>/dev/null)
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# If process doesn't exist, exit the script
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# to prevent it from being orphaned
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if [[ $? -ne 0 ]]; then
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exit 1
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fi
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# Load the current state, and parse it to get
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# the message to be displayed
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state=($(cat $statefile))
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msg="${(@)state:1}"
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# Output the current spinner frame, and add a
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# slight delay before the next one
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_revolver_spin
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sleep ${interval:-"0.1"}
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done
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}
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###
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# Output the spinner itself, along with a message
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###
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function _revolver_spin() {
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local dir statefile state pid frame
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# ZSH arrays start at 1, so we need to bump the index if it's 0
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if [[ $spinner_index -eq 0 ]]; then
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spinner_index+=1
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fi
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# Calculate the screen width
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lim=$(tput cols)
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# Clear the line and move the cursor to the start
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printf ' %.0s' {1..$lim}
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echo -n "\r"
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# Echo the current frame and message, and overwrite
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# the rest of the line with white space
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msg="\033[0;38;5;242m${msg}\033[0;m"
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frame="${${(@z)frames}[$spinner_index]//\"}"
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printf '%*.*b' ${#msg} $lim "$frame $msg$(printf '%0.1s' " "{1..$lim})"
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# Return to the beginning of the line
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echo -n "\r"
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# Set the spinner index to the next frame
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spinner_index=$(( $(( $spinner_index + 1 )) % $(( ${#frames} + 1 )) ))
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}
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###
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# Stop the current spinner process
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###
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function _revolver_stop() {
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local dir statefile state pid
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# Find the directory and load the statefile
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dir=${REVOLVER_DIR:-"${ZDOTDIR:-$HOME}/.revolver"}
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statefile="$dir/$PPID"
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# If the statefile does not exist, raise an error.
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# The spinner process itself performs the same check
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# and kills itself, so it should never be orphaned
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if [[ ! -f $statefile ]]; then
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echo '\033[0;31mRevolver process could not be found\033[0;m'
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exit 1
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fi
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# Get the current state, and parse it to find the PID
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# of the spinner process
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state=($(cat $statefile))
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pid="$state[1]"
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# Clear the line and move the cursor to the start
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printf ' %.0s' {1..$(tput cols)}
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echo -n "\r"
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# If a PID has been found, kill the process
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[[ ! -z $pid ]] && kill "$pid" > /dev/null
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unset pid
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# Remove the statefile
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rm $statefile
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}
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###
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# Update the message being displayed
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function _revolver_update() {
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local dir statefile state pid msg="$1"
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# Find the directory and load the statefile
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dir=${REVOLVER_DIR:-"${ZDOTDIR:-$HOME}/.revolver"}
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statefile="$dir/$PPID"
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# If the statefile does not exist, raise an error.
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# The spinner process itself performs the same check
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# and kills itself, so it should never be orphaned
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if [[ ! -f $statefile ]]; then
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echo '\033[0;31mRevolver process could not be found\033[0;m'
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exit 1
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fi
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# Get the current state, and parse it to find the PID
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# of the spinner process
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state=($(cat $statefile))
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pid="$state[1]"
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# Clear the line and move the cursor to the start
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printf ' %.0s' {1..$(tput cols)}
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echo -n "\r"
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# Echo the new message to the statefile, to be
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# picked up by the spinner process
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echo "$pid $msg" >! $statefile
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}
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###
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# Create a new spinner with the specified message
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###
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function _revolver_start() {
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local dir statefile msg="$1"
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# Find the directory and create it if it doesn't exist
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dir=${REVOLVER_DIR:-"${ZDOTDIR:-$HOME}/.revolver"}
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if [[ ! -d $dir ]]; then
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mkdir -p $dir
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fi
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# Create the filename for the statefile
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statefile="$dir/$PPID"
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touch $statefile
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if [[ ! -f $statefile ]]; then
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echo '\033[0;31mRevolver process could not create state file\033[0;m'
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echo "Check that the directory $dir is writable"
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exit 1
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fi
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# Start the spinner process in the background
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_revolver_process $PPID &!
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# Save the current state to the statefile
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echo "$! $msg" >! $statefile
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}
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###
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# Demonstrate each of the included spinner styles
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###
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function _revolver_demo() {
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for style in "${(@k)_revolver_spinners[@]}"; do
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revolver --style $style start $style
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sleep 2
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revolver stop
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done
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}
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###
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# Handle command input
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###
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function _revolver() {
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# Get the context from the first parameter
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local help version style ctx="$1"
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# Parse CLI options
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zparseopts -D \
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h=help -help=help \
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v=version -version=version \
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s:=style -style:=style
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# Output usage information and exit
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if [[ -n $help ]]; then
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_revolver_usage
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exit 0
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fi
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# Output version information and exit
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if [[ -n $version ]]; then
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echo '0.2.0'
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exit 0
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fi
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if [[ -z $style ]]; then
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style='dots'
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fi
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if [[ -n $style ]]; then
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shift style
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ctx="$1"
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fi
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if [[ -z $_revolver_spinners[$style] ]]; then
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echo $(color red "Spinner '$style' is not recognised")
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exit 1
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fi
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case $ctx in
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start|update|stop|demo)
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# Check if a valid command is passed,
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# and if so, run it
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_revolver_${ctx} "${(@)@:2}"
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;;
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*)
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# If the context is not recognised,
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# throw an error and exit
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echo "Command $ctx is not recognised"
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exit 1
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;;
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esac
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}
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_revolver "$@"
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