CI: fix cache again

Author: jreback

ci/install_travis.sh

@@ -35,7 +35,7 @@ echo "[home_dir: $home_dir]"
 # install miniconda
 MINICONDA_DIR="$HOME/miniconda3"
 
-if [ "$USE_CACHE" ] && [ -d "$MINICONDA_DIR" ]; then
+if [ "$USE_CACHE" ] && [ -d "$MINICONDA_DIR/bin" ]; then
     echo "[Using cached Miniconda install]"
 
 else
@@ -54,6 +54,9 @@ else
     bash miniconda.sh -b -p "$MINICONDA_DIR" || exit 1
 fi
 
+echo "[show conds]"
+which conda
+
 echo "[update conda]"
 conda config --set ssl_verify false || exit 1
 conda config --set always_yes true --set changeps1 false || exit 1