1#!/bin/bash
2
3# Invoked by the Xcode projects to build the protos needed for the unittests.
4
5set -eu
6
7readonly OUTPUT_DIR="${PROJECT_DERIVED_FILE_DIR}/protos"
8
9# Helper for bailing.
10die() {
11  echo "Error: $1"
12  exit 2
13}
14
15# What to do.
16case "${ACTION}" in
17  "")
18    # Build, fall thru
19    ;;
20  "clean")
21    rm -rf "${OUTPUT_DIR}"
22    exit 0
23    ;;
24  *)
25    die "Unknown action requested: ${ACTION}"
26    ;;
27esac
28
29# Move to the top of the protobuf directories.
30cd "${SRCROOT}/.."
31
32[[ -x src/protoc ]] || \
33  die "Could not find the protoc binary; make sure you have built it (objectivec/DevTools/full_mac_build.sh -h)."
34
35RUN_PROTOC=no
36if [[ ! -d "${OUTPUT_DIR}" ]] ; then
37  RUN_PROTOC=yes
38else
39  # Find the newest input file (protos, compiler, and this script).
40  # (these patterns catch some extra stuff, but better to over sample than
41  # under)
42  readonly NewestInput=$(find \
43     src/google/protobuf/*.proto \
44     objectivec/Tests/*.proto \
45     src/.libs src/*.la src/protoc \
46     objectivec/DevTools/compile_testing_protos.sh \
47        -type f -print0 \
48        | xargs -0 stat -f "%m %N" \
49        | sort -n | tail -n1 | cut -f2- -d" ")
50  # Find the oldest output file.
51  readonly OldestOutput=$(find \
52        "${OUTPUT_DIR}" \
53        -type f -print0 \
54        | xargs -0 stat -f "%m %N" \
55        | sort -n -r | tail -n1 | cut -f2- -d" ")
56  # If the newest input is newer than the oldest output, regenerate.
57  if [[ "${NewestInput}" -nt "${OldestOutput}" ]] ; then
58    RUN_PROTOC=yes
59  fi
60fi
61
62if [[ "${RUN_PROTOC}" != "yes" ]] ; then
63  # Up to date.
64  exit 0
65fi
66
67# Ensure the output dir exists
68mkdir -p "${OUTPUT_DIR}/google/protobuf"
69
70CORE_PROTO_FILES=(
71  src/google/protobuf/unittest_arena.proto
72  src/google/protobuf/unittest_custom_options.proto
73  src/google/protobuf/unittest_enormous_descriptor.proto
74  src/google/protobuf/unittest_embed_optimize_for.proto
75  src/google/protobuf/unittest_empty.proto
76  src/google/protobuf/unittest_import.proto
77  src/google/protobuf/unittest_import_lite.proto
78  src/google/protobuf/unittest_lite.proto
79  src/google/protobuf/unittest_mset.proto
80  src/google/protobuf/unittest_mset_wire_format.proto
81  src/google/protobuf/unittest_no_arena.proto
82  src/google/protobuf/unittest_no_arena_import.proto
83  src/google/protobuf/unittest_no_generic_services.proto
84  src/google/protobuf/unittest_optimize_for.proto
85  src/google/protobuf/unittest.proto
86  src/google/protobuf/unittest_import_public.proto
87  src/google/protobuf/unittest_import_public_lite.proto
88  src/google/protobuf/unittest_drop_unknown_fields.proto
89  src/google/protobuf/unittest_preserve_unknown_enum.proto
90  src/google/protobuf/map_lite_unittest.proto
91  src/google/protobuf/map_proto2_unittest.proto
92  src/google/protobuf/map_unittest.proto
93)
94
95# The unittest_custom_options.proto extends the messages in descriptor.proto
96# so we build it in to test extending in general. The library doesn't provide
97# a descriptor as it doesn't use the classes/enums.
98CORE_PROTO_FILES+=(
99  src/google/protobuf/descriptor.proto
100)
101
102compile_proto() {
103  src/protoc                                   \
104    --objc_out="${OUTPUT_DIR}/google/protobuf" \
105    --proto_path=src/google/protobuf/          \
106    --proto_path=src                           \
107    $*
108}
109
110for a_proto in "${CORE_PROTO_FILES[@]}" ; do
111  compile_proto "${a_proto}"
112done
113
114OBJC_PROTO_FILES=(
115  objectivec/Tests/unittest_cycle.proto
116  objectivec/Tests/unittest_runtime_proto2.proto
117  objectivec/Tests/unittest_runtime_proto3.proto
118  objectivec/Tests/unittest_objc.proto
119  objectivec/Tests/unittest_objc_startup.proto
120)
121
122for a_proto in "${OBJC_PROTO_FILES[@]}" ; do
123  compile_proto --proto_path="objectivec/Tests" "${a_proto}"
124done
125