Fix setpriv usage.

base/install_nest.sh

@@ -2,10 +2,10 @@
 set -eo pipefail
 
 cd /tmp
-(
+# run without privileges
+setpriv --reuid=$NB_UID --regid=$NB_GID --clear-groups bash <<EOF
+
     set -eo pipefail
-    # run without privileges
-    setpriv --reuid=$NB_UID --regid=$NB_GID --clear-groups
 
     # Install libneurosim as a dependency of nest and nest
     NEUROSIM_COMMIT=03646747c8fe64fa3439ac2d282623b659f60c22
@@ -25,7 +25,7 @@ cd /tmp
     cmake3 -DCMAKE_INSTALL_PREFIX:PATH=$NESTHOME \
            -Dwith-libneurosim=/usr/local -Dwith-python=3 \
            .
-)
+EOF
 
 cd /tmp/libneurosim-${NEUROSIM_COMMIT}
 make install

base/install_sda_flex.sh

@@ -2,12 +2,11 @@
 
 set -eo pipefail
 
-(
-    set -eo pipefail
-    # run without privileges
-    setpriv --reuid=$NB_UID --regid=$NB_GID --clear-groups
 
 
+# run without privileges
+setpriv --reuid=$NB_UID --regid=$NB_GID --clear-groups bash <<EOF
+    set -eo pipefail
     SDA_VERSION=7.2.3
 
     wget -q -O /tmp/sda_flex.tar.gz https://github.com/HumanBrainProject/clb-jupyter-images/raw/external/external/sda_flex-${SDA_VERSION}.tar.gz
@@ -15,8 +14,10 @@ set -eo pipefail
     tar xzf /tmp/sda_flex.tar.gz
     cd sda_flex-${SDA_VERSION}/src
     make
-    cd /tmp/
-)
-mv sda_flex-${SDA_VERSION} $SDAHOME
+
+EOF
+
+cd /tmp/
+mv sda_flex-${SDA_VERSION} $SDAHOME/
 
 rm /tmp/sda_*