contrib/freeze_packages.sh: trivial clean-up

contrib/freeze_packages.sh

@@ -26,23 +26,23 @@ for i in '' '-hw' '-binaries' '-binaries-mac' '-build-wine' '-build-mac' '-build
 
     source $venv_dir/bin/activate
 
-    echo "Installing $m dependencies"
+    echo "Installing dependencies... (requirements${i}.txt)"
 
-    python -m pip install -r $contrib/requirements/requirements${i}.txt --upgrade
+    python -m pip install -r "$contrib/requirements/requirements${i}.txt" --upgrade
 
     echo "OK."
 
     requirements=$(pip freeze --all)
     restricted=$(echo $requirements | ${SYSTEM_PYTHON} $contrib/deterministic-build/find_restricted_dependencies.py)
     requirements="$requirements $restricted"
 
-    echo "Generating package hashes..."
-    rm $contrib/deterministic-build/requirements${i}.txt
-    touch $contrib/deterministic-build/requirements${i}.txt
+    echo "Generating package hashes... (requirements${i}.txt)"
+    rm "$contrib/deterministic-build/requirements${i}.txt"
+    touch "$contrib/deterministic-build/requirements${i}.txt"
 
     for requirement in $requirements; do
         echo -e "\r  Hashing $requirement..."
-        ${SYSTEM_PYTHON} -m hashin -r $contrib/deterministic-build/requirements${i}.txt ${requirement}
+        ${SYSTEM_PYTHON} -m hashin -r "$contrib/deterministic-build/requirements${i}.txt" "${requirement}"
     done
 
     echo "OK."