dotfiles/.scripts/alxrcs
2022-07-10 10:26:43 +03:00

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