116 lines
3.2 KiB
Text
116 lines
3.2 KiB
Text
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#!/bin/sh
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# Alacritty Color Export
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# Version 0.1.1
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# github.com/egeesin
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#
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# Exports generated Wal colors to Alacritty config
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# WARNING: Don't forget to backup your Alacritty config
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# before execute this script!
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#
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# Dependencies: grep, sed
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# Usage: ./script.sh
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# ./script.sh <config yml>
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# Function to display error and quit
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die() {
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printf "ERR: %s\n" "$1" >&2
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exit 1
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}
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DEFAULT_MACOS_CONFIG="$HOME"/.config/alacritty/alacritty.yml
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# Wal generates a shell script that defines color0..color15
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SRC="$HOME"/.cache/wal/colors.sh
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[ -e "$SRC" ] || die "Wal colors not found, exiting script. Have you executed Wal before?"
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printf "Colors found, source ready.\n"
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READLINK=$( command -v greadlink || command -v readlink )
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# Get config file
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if [ -n "$1" ]; then
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[ -e "$1" ] || die "Selected config doesn't exist, exiting script."
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printf "Config found, destination ready.\n"
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CFG=$1
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[ -L "$1" ] && {
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printf "Following symlink to config...\n"
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CFG=$($READLINK -f "$1")
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}
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else
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# Default config path in Mac systems
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[ -e "$DEFAULT_MACOS_CONFIG" ] || die "Alacritty config not found, exiting script."
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CFG="$DEFAULT_MACOS_CONFIG"
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[ -L "$DEFAULT_MACOS_CONFIG" ] && {
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printf "Following symlink to config...\n"
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CFG=$($READLINK -f "$DEFAULT_MACOS_CONFIG")
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}
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fi
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# Get hex colors from Wal cache
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# No need for shellcheck to check this, it comes from pywal
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# shellcheck disable=SC1090
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. "$SRC"
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# Create temp file for sed results
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tempfile=$(mktemp)
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trap 'rm $tempfile' INT TERM EXIT
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# Delete existing color declarations generated by this script
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# If begin comment exists
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if rg -q '^# BEGIN ACE' "$CFG"; then
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# And if end comment exists
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if rg -q '^# END ACE' "$CFG"; then
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# Delete contents of the block
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printf "Existing generated colors found, replacing new colors...\n"
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sed '/^# BEGIN ACE/,/^# END ACE/ {
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/^# BEGIN ACE/! { /^# END ACE/!d; }
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}' "$CFG" > "$tempfile" \
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&& cat "$tempfile" > "$CFG"
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# If no end comment, don't do anything
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else
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die "No '# END ACE' comment found, please ensure it is present."
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fi
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# If no begin comment found
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else
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# Don't do anything and notify user if there's an end comment in the file
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! rg -q '^# END ACE' "$CFG" || die "Found '# END ACE' comment, but no '# BEGIN ACE' comment found. Please ensure it is present."
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printf "There's no existing 'generated' colors, adding comments...\n";
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printf '# BEGIN ACE\n# END ACE' >> "$CFG";
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fi
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# Write new color definitions
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# We know $colorX is unset, we set it by sourcing above
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# shellcheck disable=SC2154
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{ sed "/^# BEGIN ACE/ r /dev/stdin" "$CFG" > "$tempfile" <<EOF
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colors:
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primary:
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background: '$color0'
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foreground: '$color15'
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cursor:
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text: '$color0'
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cursor: '$color15'
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normal:
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black: '$color0'
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red: '$color1'
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green: '$color2'
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yellow: '$color3'
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blue: '$color4'
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magenta: '$color5'
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cyan: '$color6'
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white: '$color7'
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bright:
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black: '$color8'
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red: '$color9'
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green: '$color10'
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yellow: '$color11'
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blue: '$color12'
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magenta: '$color13'
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cyan: '$color14'
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white: '$color15'
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EOF
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} && cat "$tempfile" > "$CFG" \
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&& rm "$tempfile"
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trap - INT TERM EXIT
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printf "'%s' exported to '%s'\n" "$SRC" "$CFG"
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