snapshot.sh

#!/bin/sh

if [ -z ${GOPATH} ]; then
  echo "$GOPATH must be set"
  exit 1
fi

LOC=$(pwd)
COCKROACHDB_LOC=$GOPATH/src/github.com/cockroachdb/cockroach

echo "Generating files in-line using dev build short"
cd $COCKROACHDB_LOC
./dev gen parser
./dev gen protobuf

echo "Copying required dependencies over"
rm -rf $LOC/pkg
bazel query 'deps(//pkg/sql/parser)' | \
  # only care about dependencies in the CockroachDB repo
  grep '^//pkg' | \
  # remove the // prefix
  sed -e 's_^//__' | \
  # remove the :build_target directive
  sed -e 's/:.*$//' | \
  # remove testutils
  grep -v 'pkg/testutils' | grep -v 'pkg/cmd/protoc-gen-gogoroach' | \
  # ensure everything is unique
  sort | uniq | \
  # copy over each dependency
  xargs -I from_dir $LOC/copy_files.sh from_dir $COCKROACHDB_LOC $LOC
echo $(git rev-parse HEAD) > $LOC/version

echo "removing excess files, fixing up file paths"
cd $LOC
# replace compiler function to avoid conflicts.
sed -i.bak -e 's/compilerVersion/compilerVersionParser/g' pkg/build/*.go
# temporarily copy embedded data over
cp -R $COCKROACHDB_LOC/pkg/geo/geoprojbase/data $LOC/pkg/geo/geoprojbase/data
# delete gitignores
rm pkg/sql/lexbase/.gitignore pkg/sql/parser/.gitignore
rm pkg/sql/plpgsql/parser/.gitignore pkg/sql/plpgsql/parser/lexbase/.gitignore
# delete tests and testfiles
find pkg -type f -name '*_test.go' | xargs rm
# sed replace any instances of cockroachdb
find pkg -type f -name '*.go' | xargs sed -i.bak -e 's_github\.com/cockroachdb/cockroach/_github.com/cockroachdb/cockroachdb-parser/_g'
# fix protobuf enum and type registration to avoid conficts.
find pkg -type f -name '*.pb.go' | xargs sed -i.bak -e 's/\"cockroach\./\"cockroach\.parser\./g'
goimports -w pkg/sql/sem/tree/function_name.go
# delete any BUILD.bazel files. These files are invalid after being extracted
# from the main repository and will break any bazel builds that attempt to
# import this repository.
find pkg -type f -name 'BUILD.bazel' | xargs rm
# delete any .bak files generated by sed, the use of -i.bak makes these sed
# command works on both linux and macos.
find pkg -type f -name '*.bak' | xargs rm
# embed stopwords
cp -R $COCKROACHDB_LOC/pkg/util/tsearch/stopwords $LOC/pkg/util/tsearch/stopwords

for f in patches/*; do
  echo "applying patch $f"
  git apply $f
done

echo "Cleaning up go and testing everything works"
go mod tidy
echo "v0.0.0" > pkg/build/version.txt
go test .