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https://github.com/donovanglover/nix-config.git
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44 lines
1.3 KiB
Bash
44 lines
1.3 KiB
Bash
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#!/bin/sh
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# End the script if an error occurs.
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set -e
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# Change the working directory to a cache directory.
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mkdir -p "$HOME/.cache/feh"
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cd "$HOME/.cache/feh"
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# If $1 is not defined, raise an error.
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if [ -z "$1" ]; then
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echo 'error: No color specified.'
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echo 'usage: ./path/to/tile.sh <color> where color is hexadecimal'
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exit 1
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fi
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# If $1 contains something other than 0-9 and A-F, raise an error.
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if [[ -n "${1//[0-9A-F]/}" ]]; then
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echo 'error: Invalid color specified. Colors must use 0-9 and A-F only.'
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echo ' Colors should not use a-f since file names are case sensitive.'
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exit 1
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fi
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# If $1 is not exactly six characters long, raise an error.
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if ! [ "${#1}" -eq 6 ]; then
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echo 'error: Invalid color specified. Colors must be of length 6.'
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echo ' This is for the convert function, and is used to help'
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echo ' prevent duplicate colors.'
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exit 1
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fi
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# If the color doesn't exist yet, make it.
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if ! test -e "$1.png"; then
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echo 'status: Color file does not exist yet. Making it...'
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convert -size 1x1 "xc:#$1" "$1.png"
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fi
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# Finally, set the specified color as the background.
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echo 'status: Setting the desktop background as the specified color...'
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feh --no-fehbg --bg-tile "$1.png"
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# We're done here.
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echo 'status: Successfully changed the background to the color specified!'
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