1#!/bin/bash
2
3ROOT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}")"/.. >/dev/null 2>&1 && pwd )"
4SRC_DIR=${ROOT_DIR}/src
5TESTS_DIR=${ROOT_DIR}/tests
6
7# Presubmit Checks Script.
8CLANG_FORMAT=${CLANG_FORMAT:-clang-format}
9GOFMT=${GOFMT:-gofmt}
10
11if test -t 1; then
12  ncolors=$(tput colors)
13  if test -n "$ncolors" && test $ncolors -ge 8; then
14    normal="$(tput sgr0)"
15    red="$(tput setaf 1)"
16    green="$(tput setaf 2)"
17  fi
18fi
19
20function check() {
21  local name=$1; shift
22  echo -n "Running check $name... "
23
24  if ! "$@"; then
25    echo "${red}FAILED${normal}"
26    echo "  Error executing: $@";
27    exit 1
28  fi
29
30  if ! git diff --quiet HEAD; then
31    echo "${red}FAILED${normal}"
32    echo "  Git workspace not clean:"
33    git --no-pager diff -p HEAD
34    echo "${red}Check $name failed.${normal}"
35    exit 1
36  fi
37
38  echo "${green}OK${normal}"
39}
40
41# Validate commit message
42function run_bug_in_commit_msg() {
43  git log -1 --pretty=%B | grep -E '^(Bug|Issue|Fixes):(\s?)(((b\/)|(\w+:))([0-9]+)|[^0-9]+)$|(^Regres:)|(^PiperOrigin-RevId:)'
44
45  if [ $? -ne 0 ]
46  then
47    echo "${red}Git commit message must have a Bug: line"
48    echo "followed by a bug ID in the form b/# for Buganizer bugs or"
49    echo "project:# for Monorail bugs (e.g. 'Bug: chromium:123' or 'Bug: fuchsia:123')."
50    echo "Omit any digits when no ID is required (e.g. 'Bug: fix build').${normal}"
51    return 1
52  fi
53}
54
55function run_copyright_headers() {
56  tmpfile=`mktemp`
57  for suffix in "cpp" "hpp" "go" "h"; do
58    # Grep flag '-L' print files that DO NOT match the copyright regex
59    # Grep seems to match "(standard input)", filter this out in the for loop output
60    find ${SRC_DIR} -type f -name "*.${suffix}" | xargs grep -L "Copyright .* The SwiftShader Authors\|Microsoft Visual C++ generated\|GNU Bison"
61  done | grep -v "(standard input)" > ${tmpfile}
62  if test -s ${tmpfile}; then
63    # tempfile is NOT empty
64    echo "${red}Copyright issue in these files:"
65    cat ${tmpfile}
66    rm ${tmpfile}
67    echo "${normal}"
68    return 1
69  else
70    rm ${tmpfile}
71    return 0
72  fi
73}
74
75function run_clang_format() {
76  ${SRC_DIR}/clang-format-all.sh
77}
78
79function run_gofmt() {
80  find ${SRC_DIR} ${TESTS_DIR} -name "*.go" | xargs $GOFMT -w
81}
82
83function run_check_build_files() {
84  go run ${TESTS_DIR}/check_build_files/main.go --root="${ROOT_DIR}"
85}
86
87function run_scan_sources() {
88  python3 ${TESTS_DIR}/scan_sources/main.py ${SRC_DIR}
89}
90
91# Ensure we are clean to start out with.
92check "git workspace must be clean" true
93
94# Check for 'Bug: ' line in commit
95check bug-in-commi-msg run_bug_in_commit_msg
96
97# Check copyright headers
98check copyright-headers run_copyright_headers
99
100# Check clang-format.
101check clang-format run_clang_format
102
103# Check gofmt.
104check gofmt run_gofmt
105
106# Check build files.
107check "build files don't reference non-existent files" run_check_build_files
108
109# Check source files.
110check scan_sources run_scan_sources
111
112echo
113echo "${green}All check completed successfully.${normal}"
114