Moved the git checkout operation out of the if statement.

Moved the chmod operation out of the if statement.

scripts/install.sh

@@ -36,18 +36,16 @@ echo "**************************************************************************
 echo "(0/2) Downloading supplementary files. Make sure to be connected to the internet."
 echo "*********************************************************************************************"
 
-# download the install.opts and the test script
+# download the test script and the install.opts
 if [ ! -f "test_dumux.sh" ]; then
     wget https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course/raw/master/scripts/test_dumux.sh
-    chmod +x test_dumux.sh
 fi
+chmod +x test_dumux.sh
+
 if [ ! -f "cmake.opts" ]; then
     wget https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course/raw/master/cmake.opts
-    chmod +x test_dumux.sh
 fi
 
-# get the testing script
-
 echo "*********************************************************************************************"
 echo "(1/2) Cloning repositories. This may take a while. Make sure to be connected to the internet."
 echo "*********************************************************************************************"
@@ -57,10 +55,10 @@ for MOD in common geometry grid localfunctions istl; do
         git clone -b releases/$DUNE_VERSION https://gitlab.dune-project.org/core/dune-$MOD.git
     else
         echo "Skip cloning dune-$MOD because the folder already exists."
-        cd dune-$MOD
-        git checkout releases/$DUNE_VERSION
-        cd ..
     fi
+cd dune-$MOD
+git checkout releases/$DUNE_VERSION
+cd ..
 done
 
 # extension modules
@@ -69,10 +67,10 @@ for MOD in dune-foamgrid dune-alugrid; do
         git clone -b releases/$DUNE_VERSION https://gitlab.dune-project.org/extensions/$MOD.git
     else
         echo "Skip cloning $MOD because the folder already exists."
-        cd $MOD
-        git checkout releases/$DUNE_VERSION
-        cd ..
     fi
+cd $MOD
+git checkout releases/$DUNE_VERSION
+cd ..
 done
 
 # dune-subgrid
@@ -80,30 +78,30 @@ if [ ! -d "dune-subgrid" ]; then
     git clone -b releases/$DUNE_VERSION-1 https://git.imp.fu-berlin.de/agnumpde/dune-subgrid.git
 else
     echo "Skip cloning dune-subgrid because the folder already exists."
-    cd dune-subgrid
-    git checkout releases/$DUNE_VERSION-1
-    cd ..
 fi
+cd dune-subgrid
+git checkout releases/$DUNE_VERSION-1
+cd ..
 
 # dumux
 if [ ! -d "dumux" ]; then
     git clone -b master https://git.iws.uni-stuttgart.de/dumux-repositories/dumux.git
 else
     echo "Skip cloning dumux because the folder already exists."
-    cd dumux
-    git checkout dumux-course-2018
-    cd ..
 fi
+cd dumux
+git checkout dumux-course-2018
+cd ..
 
 # dumux-course
 if [ ! -d "dumux-course" ]; then
     git clone https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course.git
 else
     echo "Skip cloning dumux-course because the folder already exists."
-    cd dumux-course
-    git checkout 2018
-    cd ..
 fi
+cd dumux-course
+git checkout 2018
+cd ..
 
 if [ $? -ne 0 ]; then
     echo "*********************************************************************************************"