48 lines
1.9 KiB
Makefile
48 lines
1.9 KiB
Makefile
# This makefile can be used to-regenerate the protobuf files.
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#
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# Prerequisites:
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# "protoc" from https://github.com/protocolbuffers/protobuf
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# go get github.com/cockroachdb/protoc-gen-gogoroach
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# go get github.com/gogo/protobuf/types
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# go get github.com/gogo/protobuf/protoc-gen-gogo
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#
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# Note: as of 2020-11-01, it is not (yet) possible to use gogoproto
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# v1.3.x to generate .pb.go files so that they are compatible with
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# CockroachDB. This is because CockroachDB hardcodes gogoproto at
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# version v1.2, and thus does not provide v1.3's
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# proto.GoGoProtoPackageIsVersion3.
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#
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# For details, see https://github.com/cockroachdb/cockroach/issues/56378
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#
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# Until this is resolved, the "go get" commands above are not
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# adequate; instead:
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#
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# 1. set the PATH env var to point to CockroachDB's `bin`
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# sub-directory (after a successful CockroachDB build), where a
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# suitable version of protoc-gen-gogoroach is provided.
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#
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# 2. run `make -f Makefile.update-protos` with this PATH active.
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PROTOS := $(wildcard errorspb/*.proto)
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GO_SOURCES = $(PROTOS:.proto=.pb.go)
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SED = sed
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SED_INPLACE := $(shell $(SED) --version 2>&1 | grep -q GNU && echo -i || echo "-i ''")
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all: $(PROTOS)
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protoc \
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-I$$GOPATH/src/ \
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-I$$GOPATH/src/github.com \
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-I$$GOPATH/src/github.com/gogo/protobuf \
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-I$$GOPATH/src/github.com/gogo/protobuf/protobuf \
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--gogoroach_out=Mgoogle/protobuf/any.proto=github.com/gogo/protobuf/types,plugins=grpc,import_prefix=:. \
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$(PROTOS:%=$(GOPATH)/src/github.com/cockroachdb/errors/%)
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mv -f github.com/cockroachdb/errors/errorspb/*.pb.go errorspb/
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$(SED) $(SED_INPLACE) -E \
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-e '/import _ /d' \
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-e 's!import (fmt|math) "github.com/(fmt|math)"! !g' \
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-e 's!github.com/((bytes|encoding/binary|errors|fmt|io|math|github\.com|(google\.)?golang\.org)([^a-z]|$$))!\1!g' \
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-e 's!golang.org/x/net/context!context!g' \
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$(GO_SOURCES)
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gofmt -s -w $(GO_SOURCES)
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