indent

#!/bin/bash
## ---------------------------------------------------------------------
## This file is part of BurnMan - a thermoelastic and thermodynamic toolkit
## for the Earth and Planetary Sciences
## Copyright (C) 2012 - 2021 by the BurnMan team, released under the GNU
## GPL v2 or later.
## ---------------------------------------------------------------------


if test ! -d burnman -o ! -d tests -o ! -d examples ; then
  echo "*** This script must be run from the top-level directory of BurnMan."
  exit 1
fi


# collect all source files and process them in batches of 50 files
# with up to 10 in parallel
echo "--- Indenting all BurnMan header and source files"

# Run black autoformatter
find burnman contrib examples misc tests \( -name '*.py' \) -print | xargs -n 1 -P 10 -I {} bash -c 'black "$@"' _ {}

# remove execute permission on source files:
find burnman contrib examples misc tests \( -name '*.py' \) -print | xargs -n 50 -P 10 chmod -x

# convert dos formatted files to unix file format by stripping out
# carriage returns (15=0x0D):
dos_to_unix()
{
    f=$1
    tr -d '\015' <$f >$f.tmp
    diff -q $f $f.tmp >/dev/null || mv $f.tmp $f
    rm -f $f.tmp
}
export -f dos_to_unix
find burnman contrib examples misc tests \( -name '*.py' \) -print | xargs -n 1 -P 10 -I {} bash -c 'dos_to_unix "$@"' _ {}


# Remove trailing whitespace from files
remove_trailing_whitespace()
{
    f=$1
    # awkward tab replacement because of OSX sed, do not change unless you test it on OSX
    TAB=$'\t'
    sed -e "s/[ $TAB]*$//"  $f >$f.tmp
    diff -q $f $f.tmp >/dev/null || mv $f.tmp $f
    rm -f $f.tmp
}
export -f remove_trailing_whitespace
find burnman contrib examples misc tests \( -name '*.bash' -o -name '*.py' -o -name '*.txt' -o -name '*.tex' \) -print | xargs -n 1 -P 10 -I {} bash -c 'remove_trailing_whitespace "$@"' _ {}

# Ensure only a single newline at end of files
ensure_single_trailing_newline()
{
  f=$1

  # Remove newlines at end of file
  # Check that the current line only contains newlines
  # If it doesn't match, print it
  # If it does match and we're not at the end of the file,
  # append the next line to the current line and repeat the check
  # If it does match and we're at the end of the file,
  # remove the line.
  sed -e :a -e '/^\n*$/{$d;N;};/\n$/ba' $f >$f.tmpi

  # Then add a newline to the end of the file
  # '$' denotes the end of file
  # 'a\' appends the following text (which in this case is nothing)
  # on a new line
  sed -e '$a\' $f.tmpi >$f.tmp

  diff -q $f $f.tmp >/dev/null || mv $f.tmp $f
  rm -f $f.tmp $f.tmpi
}
export -f ensure_single_trailing_newline
find burnman contrib examples misc tests \( -name '*.bash' -o -name '*.py' -o -name '*.txt' -o -name '*.tex' \) -print | xargs -n 1 -P 10 -I {} bash -c 'ensure_single_trailing_newline "$@"' _ {}

exit 0