An example save hook script for a Cournal server. Warning: If you use Cournal a lot, the directory will grow quickly. Additional measures are needed to prevent that.

Cournal save hook script

#!/bin/sh

cd "$1"
shift

# Try to determine a hostname
[[ -z "${HOSTNAME}" ]] && HOSTNAME="$(hostname)"
[[ -z "${HOSTNAME}" ]] && HOSTNAME="localhost"

# Create a predictable git environment
export GIT_CONFIG_NOSYSTEM="yes"
export HOME="/dev/null"
export XDG_CONFIG_HOME="/dev/null"

export GIT_AUTHOR_NAME="Cournal Autocommit"
export GIT_AUTHOR_EMAIL="cournal@${HOSTNAME}"
export GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"
export GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL"

# Initialize git repository
if [[ ! -e .git ]]; then
  git init
  [[ ! -e .gitignore ]] && echo "lock" > .gitignore
  git add .gitignore
  git add cnl-*.json || true
  git commit -m "Initial commit"
fi

git add "$@"
git commit -m "autocommit"