qubes-color-add

#!/bin/bash
set -e

name="$(echo "$1" | tr - _ | tr ' ' _)"
color="$2"
if [ "$name" = "" ] || [ "$color" = "" ] ; then
    echo "Usage: $(basename "$0") color_name color_value"
    echo "Example: $(basename "$0") pink FABFD4"
    exit
fi
echo "Adding color '$name' #$color..."

echo -n "Create label: "
qubesd-query dom0 admin.label.Create dom0 "$name" <<< "0x$color" --fail
echo ", OK"

cd /usr/share/icons/hicolor/

echo "Creating svg icons..."
for type in scalable/apps/[a-z]*vm-orange.svg ; do
    if [ -e $type ] ; then
        file=$(echo $type | cut -d '-' -f 1)-$name.svg
        cp $type $file
        for old in $(sed -nr 's/^.*(fill|stop-color)="#([A-Fa-f0-9]{6})".*$/\2/p' $file | sort | uniq ); do
            new=$(python3 -c """
import colorsys
old = '$old'
color = '$color'
_h, _s, _v = colorsys.rgb_to_hsv(*[int(old[i:i+2], 16) / 255 for i in (0, 2, 4)])
h, s, v = colorsys.rgb_to_hsv(*[int(color[i:i+2], 16) / 255 for i in (0, 2, 4)])
print('{:02x}{:02x}{:02x}'.format(*[int(x * 255) for x in colorsys.hsv_to_rgb(h, s*_s, v*_v)]), end='')
            """)
            sed -r "s/#$old/#$new/g" $file -i
        done
    fi
done

echo "Creating png icons..."
for size in [0-9]*x[0-9]* ; do
    for type in $size/devices/[a-z]*vm-orange.png ; do
        if [ -e $type ] ; then
            file=$(echo $type | cut -d '-' -f 1)-$name.png
            svg=scalable/apps/$(basename $type | cut -d '-' -f 1)-$name.svg
            if [ -e $svg ] ; then
                svgres=$(sed -nr "s/^.*viewBox=\"([0-9 ]*)\".*$/\1/p" $svg | cut -d ' ' -f 4)
                pngres=$(echo $size | cut -d 'x' -f 2)
                if [ $pngres -gt $svgres ] ; then
                    density="-density $(($pngres / $svgres * 2 * 72))"
                fi
                convert $density -resize $size -background none $svg $file
            else
                convert $type -colorspace gray -fill "#$color" -tint 100 $file
            fi
        fi
    done
done

echo "Done!"