Further automate pre_publish.sh

pre_publish.sh

@@ -4,20 +4,19 @@ set -e
 
 ./util/update_lints.py
 
-git status --short | sort | grep -v README.md | grep -v helper.txt | sort > helper.txt
-
-# abort if the files differ
-diff "publish.files" "helper.txt"
-
-rm helper.txt
-
 # add all changed files
 git add .
 git commit -m "Bump the version"
 
 set +e
 
+echo "Running \`cargo fmt\`.."
+
 cd clippy_lints && cargo fmt -- --write-mode=overwrite && cd ..
 cargo fmt -- --write-mode=overwrite
 
-echo "remember to add a git tag and running 'cargo test' before committing the rustfmt changes"
+echo "Running tests to make sure \`cargo fmt\` did not break anything.."
+
+cargo test
+
+echo "If the tests passed, review and commit the formatting changes and remember to add a git tag."