travis: Always clear DF folder

.travis.yml

@@ -28,7 +28,7 @@ matrix:
             - g++-4.8
 before_install:
 - export DF_VERSION=$(sh travis/get-df-version.sh)
-- export DF_FOLDER="$HOME/DF-travis/$DF_VERSION"
+- export DF_FOLDER="$HOME/DF-travis/$DF_VERSION/df_linux"
 - pip install --user "sphinx==1.4" "requests[security]"
 - sh travis/build-lua.sh
 - sh travis/download-df.sh
@@ -56,9 +56,7 @@ script:
 - python travis/check-rpc.py "$DF_FOLDER/dfhack-rpc.txt"
 before_cache:
 - cat "$DF_FOLDER/stderr.log"
-- rm -rf "$DF_FOLDER/hack"
-- rm -rf "$DF_FOLDER/dfhack-config"
-- rm -f "$DF_FOLDER"/*.log
+- rm -rf "$DF_FOLDER"
 notifications:
   email: false
   irc:

travis/download-df.sh

@@ -15,26 +15,31 @@ cd "$DF_FOLDER"
 if [ -f receipt ]; then
     if [ "$selfmd5" != "$(cat receipt)" ]; then
         echo "download-df.sh changed; removing DF"
+        rm receipt
     else
         echo "Already downloaded $DF_VERSION"
-        exit 0
     fi
 fi
 
-rm -rif "$tardest" df_linux
+if [ ! -f receipt ]; then
+    rm -f "$tardest"
+    minor=$(echo "$DF_VERSION" | cut -d. -f2)
+    patch=$(echo "$DF_VERSION" | cut -d. -f3)
+    url="http://www.bay12games.com/dwarves/df_${minor}_${patch}_linux.tar.bz2"
+    echo Downloading
+    wget "$url" -O "$tardest"
+fi
 
-minor=$(echo "$DF_VERSION" | cut -d. -f2)
-patch=$(echo "$DF_VERSION" | cut -d. -f3)
-url="http://www.bay12games.com/dwarves/df_${minor}_${patch}_linux.tar.bz2"
+rm -rf df_linux
+mkdir df_linux
 
-echo Downloading
-wget "$url" -O "$tardest"
 echo Extracting
-tar xf "$tardest" --strip-components=1
+tar xf "$tardest" --strip-components=1 -C df_linux
 echo Changing settings
-echo '' >> "$DF_FOLDER/data/init/init.txt"
-echo '[PRINT_MODE:TEXT]' >> "$DF_FOLDER/data/init/init.txt"
-echo '[SOUND:NO]' >> "$DF_FOLDER/data/init/init.txt"
+echo '' >> "$DF_FOLDER/df_linux/data/init/init.txt"
+echo '[PRINT_MODE:TEXT]' >> "$DF_FOLDER/df_linux/data/init/init.txt"
+echo '[SOUND:NO]' >> "$DF_FOLDER/df_linux/data/init/init.txt"
 echo Done
 
 echo "$selfmd5" > receipt
+ls