36 lines
852 B
Bash
Executable file
36 lines
852 B
Bash
Executable file
#! /usr/bin/bash
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set -euo pipefail
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IFS=$'\n\t'
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API_KEY="${NASA_API_KEY:-DEMO_KEY}"
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if [ "${API_KEY}" = "DEMO_KEY" ]; then
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echo "No API key set! using demo key."
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fi
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WALLPAPERS="$(systemd-path user)"/Wallpapers
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mkdir --parents "${WALLPAPERS}"
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APOD_URL="https://api.nasa.gov/planetary/apod?api_key=${API_KEY}"
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response="$(curl --silent "${APOD_URL}")"
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picture_date="$(printf '%s' "${response}" | jq --raw-output .date)"
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picture_url="$(printf '%s' "${response}" | jq --raw-output .hdurl)"
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extension="${picture_url##*.}"
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filename="${picture_date}.${extension}"
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outfile="${WALLPAPERS}/${filename}"
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tempfile="$(mktemp)"
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curl \
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--location \
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--output "${tempfile}" \
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--silent \
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"${picture_url}"
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mv "${tempfile}" "${outfile}"
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ln \
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--force \
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--symbolic \
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"${outfile}" \
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"${WALLPAPERS}/today.${extension}"
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swaymsg reload
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