rclone/vendor/google.golang.org/grpc/vet.sh
2020-06-29 14:44:57 +01:00

189 lines
5.5 KiB
Bash

#!/bin/bash
set -ex # Exit on error; debugging enabled.
set -o pipefail # Fail a pipe if any sub-command fails.
# not makes sure the command passed to it does not exit with a return code of 0.
not() {
# This is required instead of the earlier (! $COMMAND) because subshells and
# pipefail don't work the same on Darwin as in Linux.
! "$@"
}
die() {
echo "$@" >&2
exit 1
}
fail_on_output() {
tee /dev/stderr | not read
}
# Check to make sure it's safe to modify the user's git repo.
git status --porcelain | fail_on_output
# Undo any edits made by this script.
cleanup() {
git reset --hard HEAD
}
trap cleanup EXIT
PATH="${GOPATH}/bin:${GOROOT}/bin:${PATH}"
if [[ "$1" = "-install" ]]; then
# Check for module support
if go help mod >& /dev/null; then
# Install the pinned versions as defined in module tools.
pushd ./test/tools
go install \
golang.org/x/lint/golint \
golang.org/x/tools/cmd/goimports \
honnef.co/go/tools/cmd/staticcheck \
github.com/client9/misspell/cmd/misspell
popd
else
# Ye olde `go get` incantation.
# Note: this gets the latest version of all tools (vs. the pinned versions
# with Go modules).
go get -u \
golang.org/x/lint/golint \
golang.org/x/tools/cmd/goimports \
honnef.co/go/tools/cmd/staticcheck \
github.com/client9/misspell/cmd/misspell
fi
if [[ -z "${VET_SKIP_PROTO}" ]]; then
if [[ "${TRAVIS}" = "true" ]]; then
PROTOBUF_VERSION=3.3.0
PROTOC_FILENAME=protoc-${PROTOBUF_VERSION}-linux-x86_64.zip
pushd /home/travis
wget https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/${PROTOC_FILENAME}
unzip ${PROTOC_FILENAME}
bin/protoc --version
popd
elif not which protoc > /dev/null; then
die "Please install protoc into your path"
fi
fi
exit 0
elif [[ "$#" -ne 0 ]]; then
die "Unknown argument(s): $*"
fi
# - Ensure all source files contain a copyright message.
not git grep -L "\(Copyright [0-9]\{4,\} gRPC authors\)\|DO NOT EDIT" -- '*.go'
# - Make sure all tests in grpc and grpc/test use leakcheck via Teardown.
not grep 'func Test[^(]' *_test.go
not grep 'func Test[^(]' test/*.go
# - Do not import x/net/context.
not git grep -l 'x/net/context' -- "*.go"
# - Do not import math/rand for real library code. Use internal/grpcrand for
# thread safety.
git grep -l '"math/rand"' -- "*.go" 2>&1 | not grep -v '^examples\|^stress\|grpcrand\|^benchmark\|wrr_test'
# - Ensure all ptypes proto packages are renamed when importing.
not git grep "\(import \|^\s*\)\"github.com/golang/protobuf/ptypes/" -- "*.go"
# - Ensure all xds proto imports are renamed to *pb or *grpc.
git grep '"github.com/envoyproxy/go-control-plane/envoy' -- '*.go' | not grep -v 'pb "\|grpc "'
# - Check imports that are illegal in appengine (until Go 1.11).
# TODO: Remove when we drop Go 1.10 support
go list -f {{.Dir}} ./... | xargs go run test/go_vet/vet.go
# - gofmt, goimports, golint (with exceptions for generated code), go vet.
gofmt -s -d -l . 2>&1 | fail_on_output
goimports -l . 2>&1 | not grep -vE "(_mock|\.pb)\.go"
golint ./... 2>&1 | not grep -vE "(_mock|\.pb)\.go:"
go vet -all ./...
misspell -error .
# - Check that generated proto files are up to date.
if [[ -z "${VET_SKIP_PROTO}" ]]; then
PATH="/home/travis/bin:${PATH}" make proto && \
git status --porcelain 2>&1 | fail_on_output || \
(git status; git --no-pager diff; exit 1)
fi
# - Check that our module is tidy.
if go help mod >& /dev/null; then
go mod tidy && \
git status --porcelain 2>&1 | fail_on_output || \
(git status; git --no-pager diff; exit 1)
fi
# - Collection of static analysis checks
#
# TODO(dfawley): don't use deprecated functions in examples or first-party
# plugins.
SC_OUT="$(mktemp)"
staticcheck -go 1.9 -checks 'inherit,-ST1015' ./... > "${SC_OUT}" || true
# Error if anything other than deprecation warnings are printed.
not grep -v "is deprecated:.*SA1019" "${SC_OUT}"
# Only ignore the following deprecated types/fields/functions.
not grep -Fv '.CredsBundle
.HeaderMap
.Metadata is deprecated: use Attributes
.NewAddress
.NewServiceConfig
.Type is deprecated: use Attributes
balancer.ErrTransientFailure
balancer.Picker
grpc.CallCustomCodec
grpc.Code
grpc.Compressor
grpc.Decompressor
grpc.MaxMsgSize
grpc.MethodConfig
grpc.NewGZIPCompressor
grpc.NewGZIPDecompressor
grpc.RPCCompressor
grpc.RPCDecompressor
grpc.ServiceConfig
grpc.WithBalancerName
grpc.WithCompressor
grpc.WithDecompressor
grpc.WithDialer
grpc.WithMaxMsgSize
grpc.WithServiceConfig
grpc.WithTimeout
http.CloseNotifier
info.SecurityVersion
resolver.Backend
resolver.GRPCLB' "${SC_OUT}"
# - special golint on package comments.
lint_package_comment_per_package() {
# Number of files in this go package.
fileCount=$(go list -f '{{len .GoFiles}}' $1)
if [ ${fileCount} -eq 0 ]; then
return 0
fi
# Number of package errors generated by golint.
lintPackageCommentErrorsCount=$(golint --min_confidence 0 $1 | grep -c "should have a package comment")
# golint complains about every file that's missing the package comment. If the
# number of files for this package is greater than the number of errors, there's
# at least one file with package comment, good. Otherwise, fail.
if [ ${fileCount} -le ${lintPackageCommentErrorsCount} ]; then
echo "Package $1 (with ${fileCount} files) is missing package comment"
return 1
fi
}
lint_package_comment() {
set +ex
count=0
for i in $(go list ./...); do
lint_package_comment_per_package "$i"
((count += $?))
done
set -ex
return $count
}
lint_package_comment
echo SUCCESS