BLD: fix caching 4

Author: jreback

ci/submit_ccache.sh

@@ -13,19 +13,17 @@ fi
 
 if [ "$IRON_TOKEN" ]; then
 
-    cd $HOME
-    rm -rf ccache.7z
+    rm -rf $HOME/ccache.7z
 
-    tar cf - .ccache \
+    tar cf - $HOME/.ccache \
     "$TRAVIS_BUILD_DIR"/pandas/{index,algos,lib,tslib,parser,hashtable}.c \
     "$TRAVIS_BUILD_DIR"/pandas/src/{sparse,testing}.c \
     "$TRAVIS_BUILD_DIR"/pandas/msgpack.cpp  \
-    |  7za a -si ccache.7z
+    |  7za a -si $HOME/ccache.7z
 
-    split -b 500000 -d ccache.7z ccache.
+    split -b 500000 -d $HOME/ccache.7z ccache.
 
     python ci/ironcache/put.py
-    cd $home_dir
 fi;
 
 exit 0