scripts: Add script to easily convert the latest map

scripts/convert_latest.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+MAPSERVER='https://lifomaps.de'
+TILESERVER="notsyncing.net:/srv/http/maps.linux-forks.de/tiles/"
+OUTDIR=`pwd`/out
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
+FILE=`curl "$MAPSERVER" | sed -n 's/.*>\(world-[0-9\-]\+\.png\).*/\1/p' | tail -n 1`
+
+if [[ "$FILE" == "" ]]; then
+	echo "ERROR: Could not detect latest map file."
+	exit
+fi
+
+if [[ -f "$OUTDIR/uploaded" ]]; then
+	echo "INFO: Latest map has already been converted."
+	exit
+fi
+
+REMOTE_URL="$MAPSERVER/$FILE"
+LOCAL_URL="$OUTDIR/$FILE"
+MAPNAME=`echo $LOCAL_URL | sed 's/.*\/\([^\.]\+\).*/\1/g'`
+
+echo "# Downloading and converting $MAPNAME."
+
+mkdir -p $OUTDIR
+cd $OUTDIR
+
+if [ ! -f "$OUTDIR/converted" ]; then
+	echo "Downloading latest map file..."
+	curl -C - "$REMOTE_URL" -o "$LOCAL_URL"
+
+	echo "Resizing map..."
+	OSIZE=`file $LOCAL_URL | sed -n 's/.*PNG image data, \([0-9]\+\).*/\1/p'`
+	NSIZE=$((2**6 * 256))
+	RESIZED_URL="$LOCAL_URL-resized.png"
+	convert $LOCAL_URL -extent ${NSIZE}x${NSIZE} -gravity NorthWest $RESIZED_URL
+
+	echo "Converting map..."
+	$SCRIPT_DIR/convert_maps.sh $MAPNAME $RESIZED_URL
+
+	echo "" > $OUTDIR/converted
+fi
+
+echo "Uploading files..."
+
+scp -r $OUTDIR/$MAPNAME $TILESERVER
+echo "" > $OUTDIR/uploaded
+
+echo "Cleaning up..."
+read
+rm $RESIZED_URL
+Rm $LOCAL_URL

scripts/convert_maps.sh

@@ -11,8 +11,8 @@
 #         `convert $MAPFILE -extent ${crop}x${crop} -gravity NorthWest $MAPFILE.scaled.png`
 
 TILESIZE=256
-MAPNAME="world-2020-04-09"
-MAPFILE="../$MAPNAME.png"
+MAPNAME="$1"
+MAPFILE="$2"
 
 width=`file "$MAPFILE" | sed -n "s/.* \([0-9]\+\) x \([0-9]\+\).*/\1/p"`
 crop=$TILESIZE