Add logging to the NASA APOD download script

.local/bin/get-nasa-apod

@@ -13,10 +13,16 @@ WALLPAPERS="$(systemd-path user)"/Pictures/nasa
 mkdir --parents "${WALLPAPERS}"
 
 APOD_URL="https://api.nasa.gov/planetary/apod?api_key=${API_KEY}"
+echo "Fetching data from API"
 response="$(curl --silent "${APOD_URL}")"
+echo "Received response from API"
+# shellcheck disable=SC2005
+echo "$(printf '%s' "${response}" | jq '.')"
+echo "Parsing data"
 picture_date="$(printf '%s' "${response}" | jq --raw-output .date)"
 picture_url="$(printf '%s' "${response}" | jq --raw-output .hdurl)"
 
+echo "Generating output filename"
 extension="${picture_url##*.}"
 filename="${picture_date}.${extension}"
 outfile="${WALLPAPERS}/${filename}"
@@ -24,18 +30,23 @@ outfile="${WALLPAPERS}/${filename}"
 if [ -f "${outfile}" ]; then
     echo "Target file already exists"
 else
+    echo "Creating temporary file"
     tempfile="$(mktemp)"
+    echo "Fetching the daily picture"
     curl \
         --location \
         --output "${tempfile}" \
         --silent \
         "${picture_url}"
+    echo "Transaction-like file update"
     mv "${tempfile}" "${outfile}"
 fi
 
+echo "Updating the wallpaper image"
 ln \
     --force \
     --symbolic \
     "${outfile}" \
     "${WALLPAPERS}/today"
+echo "Refreshing the desktop background"
 swaymsg output "*" bg "${SWAY_WALLPAPER}" fill