git cowork

git-cowork

#!/bin/sh

if [ "$1" = "--stop" ]
then
  git config --unset-all cowork.author
elif [ -n "$1" ]
then
  author=$(git log --no-merges --author "$1" -1 --pretty="%an <%ae>")
  if [ -n "$author" ]
  then
    git config --add cowork.author "$author"
    echo "$author"
    cat <<EOF > .git/hooks/commit-msg
      #!/bin/sh
      git config --get-all cowork.author | while read -r author
      do
        git interpret-trailers --in-place --trailer "Co-authored-by: \$author" "\$1"
      done
EOF
    chmod u+x .git/hooks/commit-msg
  else
    echo "Author not found"
    exit 1
  fi
else
  git log --no-merges --author "$1" --pretty="%an <%ae>" | sort | uniq
fi