db: ensure git hooks work when the repositories base path is a symlink When a Git hook starts, it thinks its repo_path is its cwd. However, if the repositories base path is a symlink to a different location, base path won't match the location of the repository where the symlink will be resolved.

# requirements.txt file for use as "pip install -r requirements.txt" as a
# readthedocs compatible alternative to "pip install -e ." which is a working
# alternative to "setup.py develop" which doesn't work with Mercurial 3.7
.