SCRIPT-0a-make-folders

#!/bin/bash

# ---------------------------------------------------------------------
# Make the relevant folders for the DATA and cloned REPOS,
#   if they do not already exist.  Add default files.
#
# Author:  David Mutchler.
# ---------------------------------------------------------------------

# ---------------------------------------------------------------------
# Get the values of the variables:
#      data_folder        e.g.    DATA/DATA-csse120-202030
#      data_subfolders    e.g.  ( DATA   DATA-csse120-202030 )
#      repos_folder       e.g.    REPOS/REPOS-csse120-202030
#      repos_subfolders   e.g.  ( REPOS   REPOS-csse120-202030 )
#      username_data_files   e.g.
#            (students-01 students instructors assistants others temp)
#
# from the relevant file.
# ---------------------------------------------------------------------

if [ ! "${SET_CONSTANTS_HAS_RUN}" == "1" ]; then
   source SET_CONSTANTS
fi

# ---------------------------------------------------------------------
# Make the folders, if they do not already exist.
# ---------------------------------------------------------------------

for folder in ${data_subfolders[@]}; do
    if [ ! -d "${folder}" ]; then
        mkdir "${folder}"
    fi
    cd ${folder}
done

for folder in ${data_subfolders[@]}; do
    cd ..
done

for folder in ${repos_subfolders[@]}; do
    if [ ! -d "${folder}" ]; then
        mkdir "${folder}"
    fi
    cd ${folder}
done

for folder in ${repos_subfolders[@]}; do
    cd ..
done

# ---------------------------------------------------------------------
# Put empty default files for usernames in the DATA subfolder.
# ---------------------------------------------------------------------
cd ${data_folder}

for file in ${username_data_files[@]}; do
    if [ ! -f "${file}" ]; then
        touch $file
    fi
done

for folder in ${data_subfolders[@]}; do
    cd ..
done

# ---------------------------------------------------------------------
# Put default LICENSE, README.md, and GITIGNORE files into the DATA
#   subfolder.  GITIGNORE will later become the repos' .gitignore file.
# ---------------------------------------------------------------------

files=(DEFAULT-LICENSE  DEFAULT-README.md  DEFAULT-GITIGNORE)
for file in ${files[@]}; do
    if [ ! -f "${data_folder}/${file}" ]; then
        echo "Copying file  ${file}  to folder  ${data_folder}"
        cp $file ${data_folder}/${file}
    else
        echo ""
        echo "NOT copying file  ${file}  to folder  ${data_folder}"
        echo "  because a file by that name already exists in that folder."
        echo ""
    fi
done

echo ""
echo "*** REMINDER:"
echo "    Change the   DEFAULT-BLAH   files"
echo "    in folder: ${data_folder}"
echo "    to be suitable for YOUR course."
echo ""