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E2E tests execution on Windows #671

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2 changes: 2 additions & 0 deletions .github/workflows/build.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -62,8 +62,10 @@ jobs:
make lint

- name: Run make verify
if: runner.os != 'Windows'
run: |
make verify


- name: Cross build
run: |
Expand Down
119 changes: 119 additions & 0 deletions .github/workflows/cli_core_e2e_windows_test_msys2.yaml
Original file line number Diff line number Diff line change
@@ -0,0 +1,119 @@
name: Windows-MSYS2

on:
pull_request:
branches: [main, release-*]
push:
branches: [main, test*, release-*]

jobs:
build:
name: MSYS2 Tanzu CLI Core E2E Tests on Windows
runs-on: windows-latest

steps:
- name: Check out code into the Go module directory
uses: actions/checkout@v1

- name: Set TOPLEVEL_DIR environment variable
run: echo "TOPLEVEL_DIR=$(git rev-parse --show-toplevel)" >> $GITHUB_ENV
shell: bash

- name: Verify Docker Desktop is running
run: |
docker --version
docker-compose --version
# Add additional steps as needed

- name: Set up Go 1.x
uses: actions/setup-go@v3
with:
go-version: '1.18' # Ensure version is a string
id: go

- name: go cache
uses: actions/cache@v3
with:
path: |
~/.cache/go-build
~/go/pkg/mod
key: ${{ runner.os }}-go-${{ steps.go.outputs.go-version }}-${{ hashFiles('**/go.sum') }}
restore-keys: |
${{ runner.os }}-go-${{ steps.go.outputs.go-version }}-

- name: Set and Echo GOPATH and GOBIN
run: |
$GOPATH = go env GOPATH
$GOBIN = "$GOPATH\bin"
echo "GOPATH 1 is set to $GOPATH"
echo "GOBIN 1 is set to $GOBIN"
echo "GOPATH=$GOPATH" | Out-File -Append -FilePath $env:GITHUB_ENV
echo "GOBIN=$GOBIN" | Out-File -Append -FilePath $env:GITHUB_ENV
echo "GOPATH 2 is set to $GOPATH"
echo "GOBIN 2 is set to $GOBIN"
shell: pwsh

- name: Echo Go installation path
run: |
echo "Go installation path: $(go env GOROOT)"
ls "$(go env GOROOT)"
ls "$(go env GOROOT)\bin"
shell: bash

- name: Echo GOPATH and GOBIN
run: |
echo "GOPATH=$env:GOPATH"
echo "GOBIN=$env:GOBIN"
echo "Contents of GOPATH:"
Get-ChildItem -Path $env:GOPATH
echo "Contents of GOBIN:"
Get-ChildItem -Path $env:GOBIN
shell: pwsh

- name: Install MSYS2
run: choco install msys2
shell: powershell

- name: Initialize MSYS2
run: C:\tools\msys64\usr\bin\bash -lc "echo 'Hello from MSYS2'"
shell: powershell

- name: Install Make and Unzip in MSYS2
run: |
C:\tools\msys64\usr\bin\bash -lc "pacman -S make unzip --noconfirm"
C:\tools\msys64\usr\bin\bash -lc "pacman -S make wget --noconfirm"
C:\tools\msys64\usr\bin\bash -lc "pacman -S make bzip2 --noconfirm"
C:\tools\msys64\usr\bin\bash -lc "wget --version"
C:\tools\msys64\usr\bin\bash -lc "bzip2 --version"
shell: powershell

- name: Run Unix Commands in MSYS2
run: |
C:\tools\msys64\usr\bin\bash -lc "echo 'Hello from MSYS2'"
C:\tools\msys64\usr\bin\bash -lc "ls"
C:\tools\msys64\usr\bin\bash -lc "pwd"
C:\tools\msys64\usr\bin\bash -lc "wget --version"
C:\tools\msys64\usr\bin\bash -lc "bzip2 --version"
$WGET = $(Get-Command wget).Source
$BZIP2 = $(Get-Command bzip2).Source
echo "WGET_PATH=$WGET" >> $env:GITHUB_ENV
echo "BZIP2_PATH=$BZIP2" >> $env:GITHUB_ENV
echo "WGET_PATH: $WGET"
echo "BZIP2_PATH: $BZIP2"
$msysBin = "C:\tools\msys64\usr\bin"
echo "MSYS_BIN=$msysBin" >> $env:GITHUB_ENV
echo "PATH info: $env:PATH"
echo "PATH info2: $PATH"
shell: powershell

- name: Build CLI Core
run: |
make build
shell: powershell

- name: E2E Tests
run: |
C:\tools\msys64\usr\bin\bash -lc "wget --version"
C:\tools\msys64\usr\bin\bash -lc "bzip2 --version"
make e2e-cli-core
shell: powershell
113 changes: 91 additions & 22 deletions Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,12 @@ include ./plugin-tooling.mk
include ./test/e2e/Makefile

# Ensure Make is run with bash shell as some syntax below is bash-specific
SHELL := /usr/bin/env bash

ROOT_DIR := $(shell git rev-parse --show-toplevel)
ROOT_DIR := $(subst \,/,$(ROOT_DIR))
ARTIFACTS_DIR ?= $(ROOT_DIR)/artifacts

HOME := $(subst \,/,$(HOME))
XDG_CONFIG_HOME := ${HOME}/.config
export XDG_CONFIG_HOME

Expand All @@ -18,6 +19,28 @@ GOOS ?= $(shell go env GOOS)
GOARCH ?= $(shell go env GOARCH)
GOHOSTOS ?= $(shell go env GOHOSTOS)
GOHOSTARCH ?= $(shell go env GOHOSTARCH)
HOST_OS=$(shell go env GOOS)

WGET := $(shell which wget)
BZIP2 := $(shell which bzip2)
TAR := $(shell which tar)

# Load environment variables from GitHub workflow
ifeq ($(GITHUB_ACTIONS),true)
ifeq ($(GOOS),windows)
# Use the values from GitHub Actions
MSYS_BIN ?= $(shell echo $MSYS_BIN)
WGET = $(MSYS_BIN)/wget
BZIP2 = $(MSYS_BIN)/bzip2
TAR = $(MSYS_BIN)/tar
endif
endif

# Ensure $(GOPATH) uses forward slashes
WGET := $(subst \,/,$(WGET))
BZIP2 := $(subst \,/,$(BZIP2))
TAR := $(subst \,/,$(TAR))


# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
ifeq (,$(shell go env GOBIN))
Expand All @@ -30,8 +53,9 @@ GO := go
GOTEST_VERBOSE ?= -v

# Directories
BIN_DIR := $(shell echo "bin")
TOOLS_DIR := $(abspath $(ROOT_DIR)/hack/tools)
TOOLS_BIN_DIR := $(TOOLS_DIR)/bin
TOOLS_BIN_DIR := $(TOOLS_DIR)/$(BIN_DIR)

# Add tooling binaries here and in hack/tools/Makefile
GOIMPORTS := $(TOOLS_BIN_DIR)/goimports
Expand All @@ -51,7 +75,10 @@ GOJUNITREPORT := $(TOOLS_BIN_DIR)/go-junit-report
VENDIR := $(TOOLS_BIN_DIR)/vendir
YQ := $(TOOLS_BIN_DIR)/yq

TOOLING_BINARIES := $(GOIMPORTS) $(GOLANGCI_LINT) $(VALE) $(MISSPELL) $(CONTROLLER_GEN) $(IMGPKG) $(KUBECTL) $(KIND) $(GINKGO) $(COSIGN) $(GOJUNITREPORT) $(KCTRL) $(YTT) $(KBLD) $(VENDIR) $(YQ)
TOOLING_BINARIES := $(GOIMPORTS) $(GOLANGCI_LINT) $(VALE) $(MISSPELL) $(CONTROLLER_GEN) $(IMGPKG) $(KUBECTL) $(KIND) $(GINKGO) $(COSIGN) $(GOJUNITREPORT)
#TOOLING_BINARIES := $(GOIMPORTS) $(GOLANGCI_LINT) $(VALE) $(MISSPELL) $(CONTROLLER_GEN) $(IMGPKG) $(KUBECTL) $(KIND) $(GINKGO) $(COSIGN) $(GOJUNITREPORT)
#TOOLING_BINARIES := $(VALE) $(GOLANGCI_LINT) $(GOIMPORTS)


# Build and version information

Expand Down Expand Up @@ -103,6 +130,11 @@ CLI_TARGETS := $(addprefix build-cli-,${ENVS})
help: ## Display this help (default)
@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n make \033[36m<target>\033[0m\n"} /^[0-9a-zA-Z_-]+:.*?##/ { printf " \033[36m%-28s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m\033[32m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)

tools: $(TOOLING_BINARIES) ## Build tooling binaries
.PHONY: $(TOOLING_BINARIES)
$(TOOLING_BINARIES):
make -C $(TOOLS_DIR) $(@F)

## --------------------------------------
## All
## --------------------------------------
Expand Down Expand Up @@ -137,17 +169,20 @@ build-cli-%: ##Build the Tanzu Core CLI for a platform

@echo build $(OS)-$(ARCH) CLI with version: $(BUILD_VERSION)

@if [ "$(filter $(OS)-$(ARCH),$(ENVS))" = "" ]; then\
printf "\n\n======================================\n";\
printf "! $(OS)-$(ARCH) is not an officially supported platform!\n";\
printf "======================================\n\n";\
fi
@mkdir -p artifacts/$(OS)/$(ARCH)/cli/core/$(BUILD_VERSION)

@echo "Listing artifacts directory:"
@ls artifacts

@echo "BEfore build"
@echo "Windows build"
@pwd
@cd cmd/tanzu
@pwd
@go build -o $(ARTIFACTS_DIR)/$(OS)/$(ARCH)/cli/core/$(BUILD_VERSION)/tanzu-cli-$(OS)_$(ARCH).exe cmd/tanzu/main.go
@ls cmd/tanzu
@ls $(ARTIFACTS_DIR)/$(OS)/$(ARCH)/cli/core/$(BUILD_VERSION)

@if [ "$(OS)" = "windows" ]; then \
GOOS=$(OS) GOARCH=$(ARCH) $(GO) build -gcflags=all="-l" --ldflags "$(LD_FLAGS)" -o "$(ARTIFACTS_DIR)/$(OS)/$(ARCH)/cli/core/$(BUILD_VERSION)/tanzu-cli-$(OS)_$(ARCH).exe" ./cmd/tanzu/main.go;\
else \
GOOS=$(OS) GOARCH=$(ARCH) $(GO) build -gcflags=all="-l" --ldflags "$(LD_FLAGS)" -o "$(ARTIFACTS_DIR)/$(OS)/$(ARCH)/cli/core/$(BUILD_VERSION)/tanzu-cli-$(OS)_$(ARCH)" ./cmd/tanzu/main.go;\
fi

## --------------------------------------
## Plugins-specific
Expand Down Expand Up @@ -245,11 +280,15 @@ test-with-summary-report: tools
rm ./make_test.output ./test_suite_output.json ./CLI-ginkgo-tests-summary.txt ./CLI-junit-report.xml

.PHONY: e2e-cli-core ## Execute all CLI Core E2E Tests
e2e-cli-core: tools crd-package-for-test start-test-central-repo start-airgapped-local-registry e2e-cli-core-all ## Execute all CLI Core E2E Tests
#e2e-cli-core: tools crd-package-for-test start-test-central-repo start-airgapped-local-registry e2e-cli-core-all ## Execute all CLI Core E2E Tests
e2e-cli-core: start-test-central-repo ## Execute all CLI Core E2E Tests
#e2e-cli-core: tools e2e-cli-core-all ## Execute all CLI Core E2E Tests


.PHONY: setup-custom-cert-for-test-central-repo
setup-custom-cert-for-test-central-repo: ## Setup up the custom ca cert for test-central-repo in the config file
@if [ ! -d $(ROOT_DIR)/hack/central-repo/certs ]; then \
echo "Downloading test central repo certs";\
wget https://storage.googleapis.com/tanzu-cli/data/testcerts/local-central-repo-testcontent.bz2 -O $(ROOT_DIR)/hack/central-repo/local-central-repo-testcontent.bz2;\
tar xjf $(ROOT_DIR)/hack/central-repo/local-central-repo-testcontent.bz2 -C $(ROOT_DIR)/hack/central-repo/;\
fi
Expand All @@ -262,7 +301,40 @@ start-test-central-repo: stop-test-central-repo setup-custom-cert-for-test-centr
@if [ ! -d $(ROOT_DIR)/hack/central-repo/registry-content ]; then \
(cd $(ROOT_DIR)/hack/central-repo && tar xjf registry-content.bz2 || true;) \
fi
@docker run --rm -d -p 9876:443 --name central \
echo "Starting docker test central repo with images:"
@echo "docker run -d -p 9876:443 --name central \
-v $(ROOT_DIR)/hack/central-repo/certs:/certs \
-e REGISTRY_HTTP_ADDR=0.0.0.0:443 \
-e REGISTRY_HTTP_TLS_CERTIFICATE=/certs/localhost.crt \
-e REGISTRY_HTTP_TLS_KEY=/certs/localhost.key \
-v $(ROOT_DIR)/hack/central-repo/registry-content:/var/lib/registry \
$(REGISTRY_IMAGE)"
export MSYS_NO_PATHCONV=1
docker run -d -p 9876:443 --name central \
-v $(ROOT_DIR)/hack/central-repo/certs:/certs \
-e REGISTRY_HTTP_ADDR=0.0.0.0:443 \
-e REGISTRY_HTTP_TLS_CERTIFICATE=/certs/localhost.crt \
-e REGISTRY_HTTP_TLS_KEY=/certs/localhost.key \
-v $(ROOT_DIR)/hack/central-repo/registry-content:/var/lib/registry \
$(REGISTRY_IMAGE) > /dev/null && \
echo "Started docker test central repo with images:" && \
$(ROOT_DIR)/hack/central-repo/upload-plugins.sh info

.PHONY: start-test-central-repo33
start-test-central-repo33: ## Starts up a test central repository locally with docker
@if [ ! -d $(ROOT_DIR)/hack/central-repo/registry-content ]; then \
(cd $(ROOT_DIR)/hack/central-repo && tar xjf registry-content.bz2 || true;) \
fi
echo "Starting docker test central repo with images:"
@echo "docker run -d -p 9876:443 --name central \
-v $(ROOT_DIR)/hack/central-repo/certs:/certs \
-e REGISTRY_HTTP_ADDR=0.0.0.0:443 \
-e REGISTRY_HTTP_TLS_CERTIFICATE=/certs/localhost.crt \
-e REGISTRY_HTTP_TLS_KEY=/certs/localhost.key \
-v $(ROOT_DIR)/hack/central-repo/registry-content:/var/lib/registry \
$(REGISTRY_IMAGE)"
export MSYS_NO_PATHCONV=1
docker run -d -p 9876:443 --name central \
-v $(ROOT_DIR)/hack/central-repo/certs:/certs \
-e REGISTRY_HTTP_ADDR=0.0.0.0:443 \
-e REGISTRY_HTTP_TLS_CERTIFICATE=/certs/localhost.crt \
Expand All @@ -284,11 +356,11 @@ start-airgapped-local-registry: stop-airgapped-local-registry

@mkdir -p $(ROOT_DIR)/hack/central-repo/auth && docker run --entrypoint htpasswd httpd:2 -Bbn ${TANZU_CLI_E2E_AIRGAPPED_REPO_WITH_AUTH_USERNAME} ${TANZU_CLI_E2E_AIRGAPPED_REPO_WITH_AUTH_PASSWORD} > $(ROOT_DIR)/hack/central-repo/auth/htpasswd
@docker run --rm -d -p 6002:5000 --name temp-airgapped-local-registry-with-auth \
-v $(ROOT_DIR)/hack/central-repo/auth:/auth \
-v "D:\a\tanzu-cli\tanzu-cli\hack\central-repo\auth:C:\auth" \
-e "REGISTRY_AUTH=htpasswd" \
-e "REGISTRY_AUTH_HTPASSWD_REALM=Registry Realm" \
-e REGISTRY_AUTH_HTPASSWD_PATH=/auth/htpasswd \
$(REGISTRY_IMAGE) > /dev/null && \
-e "REGISTRY_AUTH_HTPASSWD_PATH=C:\auth\htpasswd" \
stefanscherer/registry-windows:latest > /dev/null && \
echo "Started docker test airgapped repo with authentication at 'localhost:6002'."

@docker logout localhost:6002 || true
Expand Down Expand Up @@ -363,10 +435,7 @@ generate: generate-controller-code generate-manifests ## Generate controller co
## Tooling Binaries
## --------------------------------------

tools: $(TOOLING_BINARIES) ## Build tooling binaries
.PHONY: $(TOOLING_BINARIES)
$(TOOLING_BINARIES):
make -C $(TOOLS_DIR) $(@F)


.PHONY: clean-tools
clean-tools:
Expand Down
5 changes: 5 additions & 0 deletions Makefile.bat
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@

:test
test: fmt ## Run Tests
go test `go list ./... | grep -v test/e2e | grep -v test/coexistence` -timeout 60m -race -coverprofile coverage.txt ${GOTEST_VERBOSE}
goto :EOF
6 changes: 3 additions & 3 deletions go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ require (
github.com/vmware-tanzu/tanzu-framework/capabilities/client v0.0.0-20230523145612-1c6fbba34686
github.com/vmware-tanzu/tanzu-plugin-runtime v1.2.0-dev.0.20240206192120-055fd83cf63d
go.pinniped.dev v0.20.0
golang.org/x/mod v0.12.0
golang.org/x/mod v0.15.0
golang.org/x/oauth2 v0.8.0
golang.org/x/sync v0.3.0
golang.org/x/term v0.15.0
Expand Down Expand Up @@ -218,10 +218,10 @@ require (
golang.org/x/crypto v0.17.0 // indirect
golang.org/x/exp v0.0.0-20230321023759-10a507213a29 // indirect
golang.org/x/net v0.17.0 // indirect
golang.org/x/sys v0.15.0 // indirect
golang.org/x/sys v0.17.0 // indirect
golang.org/x/text v0.14.0 // indirect
golang.org/x/time v0.3.0 // indirect
golang.org/x/tools v0.12.0 // indirect
golang.org/x/tools v0.13.0 // indirect
gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
google.golang.org/appengine v1.6.7 // indirect
google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
Expand Down
12 changes: 6 additions & 6 deletions go.sum
Original file line number Diff line number Diff line change
Expand Up @@ -815,8 +815,8 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc=
golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/mod v0.15.0 h1:SernR4v+D55NyBH2QiEQrlBAnj1ECL6AGrA5+dPaMY8=
golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
Expand Down Expand Up @@ -940,8 +940,8 @@ golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20220906165534-d0df966e6959/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210503060354-a79de5458b56/go.mod h1:tfny5GFUkzUvx4ps4ajbZsCe5lw1metzhBm9T3x7oIY=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
Expand Down Expand Up @@ -982,8 +982,8 @@ golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4f
golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.12.0 h1:YW6HUoUmYBpwSgyaGaZq1fHjrBjX1rlpZ54T6mu2kss=
golang.org/x/tools v0.12.0/go.mod h1:Sc0INKfu04TlqNoRA1hgpFZbhYXHPr4V5DzpSBTPqQM=
golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ=
golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
Expand Down
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