@@ -607,8 +607,11 @@ function configure_tempest {

     fi

     # The requirements might be on a different branch, while tempest needs master requirements.

-    (cd $REQUIREMENTS_DIR && git show origin/master:upper-constraints.txt) > u-c-m.txt

-    tox -evenv-tempest -- pip install -c u-c-m.txt -r requirements.txt

+    local tmp_u_c_m

+    tmp_u_c_m=$(mktemp -t tempest_u_c_m.XXXXXXXXXX)

+    (cd $REQUIREMENTS_DIR && git show origin/master:upper-constraints.txt) > $tmp_u_c_m

+    tox -evenv-tempest -- pip install -c $tmp_u_c_m -r requirements.txt

+    rm -f $tmp_u_c_m

     # Auth:

     iniset $TEMPEST_CONFIG auth tempest_roles "member"

@@ -697,8 +700,11 @@ function install_tempest_plugins {

     pushd $TEMPEST_DIR

     if [[ $TEMPEST_PLUGINS != 0 ]] ; then

         # The requirements might be on a different branch, while tempest & tempest plugins needs master requirements.

-        (cd $REQUIREMENTS_DIR && git show origin/master:upper-constraints.txt) > u-c-m.txt

-        tox -evenv-tempest -- pip install -c u-c-m.txt $TEMPEST_PLUGINS

+        local tmp_u_c_m

+        tmp_u_c_m=$(mktemp -t tempest_u_c_m.XXXXXXXXXX)

+        (cd $REQUIREMENTS_DIR && git show origin/master:upper-constraints.txt) > $tmp_u_c_m

+        tox -evenv-tempest -- pip install -c $tmp_u_c_m $TEMPEST_PLUGINS

+        rm -f $tmp_u_c_m

         echo "Checking installed Tempest plugins:"

         tox -evenv-tempest -- tempest list-plugins

     fi