Fail-fast before running tests if repository was not fully cloned (#3429

)

Co-authored-by: Shatakshi Mishra <shatakshimishra01@gmail.com>

tox.ini

@@ -22,6 +22,8 @@ deps =
 extras =
   test
 commands_pre =
+  # fail if submodules are not initialized
+  sh -c 'git submodule status --cached | grep "^ -" && { echo "Repository was not cloned recursively, please run: git submodule update --init" && exit 99; } || true'
   sh -c "rm -f .tox/.coverage.* 2>/dev/null || true"
 commands =
   # safety measure to assure we do not accidentally run tests with broken dependencies
@@ -83,6 +85,8 @@ deps =
   setuptools>=51.1.1
   pytest>=7.2.2  # to updated schemas
 skip_install = true
+commands_pre =
+  {[testenv]commands_pre}
 commands =
   {envpython} -m pre_commit run --all-files --show-diff-on-failure {posargs:}
 passenv =
@@ -181,6 +185,8 @@ deps =
   twine >= 4.0.1
 skip_install = true
 # Ref: https://twitter.com/di_codes/status/1044358639081975813
+commands_pre =
+  {[testenv]commands_pre}
 commands =
   # build wheel and sdist using PEP-517
   {envpython} -c 'import os.path, shutil, sys; \