#! /bin/sh

# Script to test a directory listing. We use this to verify that the list of
# files installed by "make install" or "cmake --install" matches what we expect.

set -e

# Ensure stable ordering of `sort` output
LANG=C
LC_ALL=C
export LANG LC_ALL

if [ "$1" = "" -o "$2" = "" ] ; then
  echo "Usage: $0 <dir> <manifest name> [<build type>]" >&2
  exit 1
fi

input_dir="$1"
expected_manifest="$2"
build_type="${3:-release}"

actual_file=`basename $expected_manifest`.actual
expected_file=`basename $expected_manifest`.expected

sed=sed
# Helper for Solaris
if [ -f /usr/bin/gsed ] ; then
  sed=/usr/bin/gsed
fi

find "$input_dir" -print | \
  sort | \
  xargs -n1 -- ls -l -d -n | \
  $sed -E -e 's/ {2,}/ /g' | \
  cut -d' ' -f '1,9-' \
  > "$actual_file"

# The CMake install is a bit annoying now. Its installed files are actually
# dependent on the build type. So, if the build type is not "release", we need
# to modify the expected manifest to match the actual one. 
cat "$expected_manifest" | \
  $sed -E -e "s/pcre2-targets-release.cmake/pcre2-targets-$build_type.cmake/" \
  > "$expected_file"

if ! diff -u "$expected_file" "$actual_file"; then
  echo "Installed files differ from expected"

  echo "===Actual==="
  cat "$actual_file"
  echo "===End==="

  exit 1
fi

echo "Installed files match expected"
rm -f "$actual_file" "$expected_file"