#!/bin/bash

set -e


no_empty_builddir() {
  'clear'
cat <<- -EOF-
${DD_BORDER}

${tab_}${tab_}${BOLD}${RED}W A R N I N G${OFF}
    Looks like the \$BUILDDIR directory contains subdirectories
    from a previous build.

    Please format the partition mounted on \$BUILDDIR or set
    a different build directory before running jhalfs.
${OFF}
${DD_BORDER}
-EOF-
  exit
}


#----------------------------#
run_make() {                 #
#----------------------------#
  # Test if make must be run.
  if [ "$RUNMAKE" = "y" ] ; then
    # Test to make sure we're not running the build as root
    if [ "$UID" = "0" ] ; then
      echo "You must not be logged in as root to build the system."
      exit 1
    fi
    # Build the system
    if [ -e "$MKFILE" ] ; then
      echo -ne "Building the system...\n"
#      if { echo try tty; tty; }; then
      cd "$JHALFSDIR" && make -j1
      echo -ne "done\n"
#      else echo there is no terminal!!; fi
    fi
  fi
}


#----------------------------#
clean_builddir() {           #
#----------------------------#
# Test if the clean must be done.
if [ "${CLEAN}" = "y" ]; then
  # If empty (i.e. could contain lost+found), do not do anything
  if ls -d $BUILDDIR/* > /dev/null 2>&1 &&
       [ "$(ls $BUILDDIR)" != "lost+found" ]; then
    # Test to make sure that the build directory was populated by jhalfs
    if [ ! -d $JHALFSDIR ] || [ ! -d $BUILDDIR/sources ] ; then
      echo "Looks like $BUILDDIR was not populated by a previous jhalfs run."
      exit 1
    # Test that dev filesystems are not mounted in $BUILDDIR
    elif mount | grep $BUILDDIR/dev > /dev/null ; then
      echo "Looks like kernel filesystems are still mounted on $BUILDDIR."
      exit 1
    else
      if [ $JHALFSDIR/*gcc-pass1 != $JHALFSDIR/'*gcc-pass1' ]; then
        echo -n "$BUILDDIR contains already built packages. Clean anyway? yes/no (yes): "
        read ANSWER
        if [ x${ANSWER:0:1} = "xn" -o x${ANSWER:0:1} = "xN" ] ; then
          echo "${nl_}Rerun and change the option in the menu.${nl_}"
          exit 1
        fi
      fi
      # Clean the build directory
      echo -n "Cleaning $BUILDDIR ..."
      # First delete proc and sys directories, if they exist.
      # Both should be empty. If not, we exit, and the rmdir command
      # has generated an error message
      if [ -d $BUILDDIR/proc ] ; then
        sudo rmdir $BUILDDIR/proc || exit 1
      fi
      if [ -d $BUILDDIR/sys ] ; then
        sudo rmdir $BUILDDIR/sys || exit 1
      fi
      sudo rm -rf $BUILDDIR/{bin,boot,dev,etc,home,lib{,64,32,x32},media,mnt,run}
      sudo rm -rf $BUILDDIR/{opt,root,sbin,srv,tmp,tools,cross-tools,usr,var}
      echo "done"
      if [[ "${BLFS_TOOL}" = "y" ]] ; then
        echo -n "Cleaning $BUILDDIR/$BLFS_ROOT ..."
        sudo rm -rf $BUILDDIR/$BLFS_ROOT
        echo "done"
      fi
      echo -n "Cleaning $JHALFSDIR ..."
      sudo rm -rf $JHALFSDIR
      echo "done"
      echo -n "Cleaning remaining extracted sources in $BUILDDIR/sources ..."
      sudo rm -rf `find $BUILDDIR/sources -maxdepth 1 -mindepth 1 -type d`
      echo "done"
      echo -n "Removing dangling symlinks in / ..."
      sudo rm -f /tools /cross-tools
      echo "done"
    fi
  fi
fi
}