#!/bin/sh
#
# Copyright © 2011-2012, 2021, 2023 Nick Bowler
#
# Simple script to get started from a fresh git checkout.
#
# License WTFPL2: Do What The Fuck You Want To Public License, version 2.
# This is free software: you are free to do what the fuck you want to.
# There is NO WARRANTY, to the extent permitted by law.

scriptname=$0

err () { printf '%s: %s\n' "$scriptname" "$*" 1>&2; }
die () { err "$@"; exit 1; }

: "${AUTORECONF=autoreconf}"
: "${GNULIB=gnulib}"
: "${PERL=perl}"
: "${GIT=git}"

$GIT submodule update --init || err "Failed to update submodules from git."

if test -x $GNULIB/gnulib-tool; then
  $GNULIB/gnulib-tool --update -S || die "Failed to update gnulib."
else
  err "Gnulib sources are not properly installed in $GNULIB/"
  cat >&2 <<'EOF'

To bootstrap this package using an external Gnulib, you can set the GNULIB
environment variable to indicate the location of the Gnulib sources.
EOF
  test ! -f configure || cat >&2 <<'EOF'

However, it seems this package is already bootstrapped.  It should not
normally be necessary to run this script from a release tarball.
EOF
  exit 1
fi

$PERL common/scripts/fix-gnulib.pl -o lib/gnulib.mk -i lib/gnulib.mk.in ||
  die "Failed to fixup Gnulib makefile fragment."

# Punt some automake-generated files so that Gentoo's wrapper script
# doesn't try to detect the automake version in use.
rm -f Makefile.in aclocal.m4
$AUTORECONF -fis