demo git worktree stuff.

#!/bin/bash
rm -rf app
mkdir -p app app/activities app/worktrees app/components
declare -a components=("_main" "lib1" "lib2" "lib3")
for component in ${components[@]}; do
  mkdir -p app/components/$component
  cd app/components/$component
  git init
  echo "$component text file\n" > ${component}_file.txt
  cd -
done;

exclude_git="-I 'refs' -I objects -I info -I logs -I index " \
  "-I packed-refs -I hooks -I FETCH_HEAD -I branches -I config -I description"
clear
echo $exclude_git
tree  -a $exclude_git -I 'refs' -I 'objects' -I 'info' -I 'log's -I index \
      -I packed-refs -I hooks -I FETCH_HEAD -I HEAD -I branches -I config -I description

output:


.
├── app
│   ├── activities
│   ├── components
│   │   ├── lib1
│   │   │   ├── .git
│   │   │   └── lib1_file.txt
│   │   ├── lib2
│   │   │   ├── .git
│   │   │   └── lib2_file.txt
│   │   ├── lib3
│   │   │   ├── .git
│   │   │   └── lib3_file.txt
│   │   └── _main
│   │       ├── .git
│   │       └── _main_file.txt
│   └── worktrees
├── example
├── .git
├── LICENSE
├── README.md
└── tree.gitignore

14 directories, 8 files
pac1@Spinnaker:/work/trees/git_stuff$