Script to fix up github classroom repositories, pull changes, and compile quarto homework files

ghcfix.sh

#!/bin/bash
while getopts r::pvf OPT
do
  case "$OPT" in
    r)  FILE="$OPTARG" # RENDER files with quarto
        RENDER=1;;
    v) VERBOSE=1;; # VERBOSE - print everything
    p) PULL=1;; # Pull new changes
    f) FIX=1;; # Fix github repo
  esac
done

# Attempt at default arguments
# https://www.gnu.org/savannah-checkouts/gnu/bash/manual/bash.html#Shell-Parameter-Expansion


if [ $VERBOSE ];
  then
    echo "FILE = ${FILE:='*.qmd'}"
    echo "Render=$RENDER"
    echo "PULL = $PULL"
fi

for dir in */;
{
  # Exit if terminated using ctrl-c or other command
  # https://serverfault.com/questions/105386/bash-loop-how-to-stop-the-loop-when-i-press-control-c-inside-a-command
  trap "echo Exited!; exit;" SIGINT SIGTERM

  if [ $VERBOSE ]; then echo "Changing to $dir"; fi;
  cd $dir

  # Fix github repo origin if necessary
  if [ $FIX ];
    then
    git remote set-url origin $(git remote -v | head -n 1  | grep -o 'github\.com.*git' | awk '{gsub("github.com/", "github.com:",$1); print "git@"$1}')
  fi;

  # Pull new changes
  if [ $PULL ];
    then
      git reset --hard HEAD >> git.log
      git clean -f -d >> git.log
      git pull >> git.log
      if [ $VERBOSE ]; then cat "git.log"; fi;
  fi;

  # Render quarto doc
  if [ $RENDER ];
    then
      #echo "quarto render $FILE"
      quarto render "${FILE:='*.qmd'}" &> compile.log
      if [ $VERBOSE ]; then cat "compile.log"; fi;
  fi;

  # Change back to main directory
  if [ $VERBOSE ]; then echo "Finished: $dir"; fi;
  cd ../;

}