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Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 472 |
1 files changed, 0 insertions, 472 deletions
diff --git a/Makefile b/Makefile deleted file mode 100644 index 3f4c534ff..000000000 --- a/Makefile +++ /dev/null @@ -1,472 +0,0 @@ -#!/usr/bin/make -f - -# Copyright 2019 The gVisor Authors. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# Helpful pretty-printer. -ifeq (0,$(MAKELEVEL)) -OPENLAST := || (rc=$$?; echo '^^^ +++' >&2; exit $$rc) -else -OPENLAST := -endif -CMDLINE := $(shell cut -d '' -f2- /proc/$$PPID/cmdline | sed 's|\x00| |g') -submake = echo '--- make $1' >&2 && \ - $(MAKE) -s $1 && \ - echo '--- make $(CMDLINE) (resume)' >&2 \ - $(OPENLAST) - -# Described below. -OPTIONS := -STARTUP_OPTIONS := -TARGETS := //runsc -ARGS := - -default: runsc -.PHONY: default - -## usage: make <target> -## or -## make <build|test|copy|run|sudo> STARTUP_OPTIONS="..." OPTIONS="..." TARGETS="..." ARGS="..." -## -## Basic targets. -## -## This Makefile wraps basic build and test targets for ease-of-use. Bazel -## is run inside a canonical Docker container in order to simplify up-front -## requirements. -## -## There are common arguments that may be passed to targets. These are: -## STARTUP_OPTIONS - Bazel startup options. -## OPTIONS - Build or test options. -## TARGETS - The bazel targets. -## ARGS - Arguments for run or sudo. -## -## Additionally, the copy target expects a DESTINATION to be provided. -## -## For example, to build runsc using this Makefile, you can run: -## make build OPTIONS="" TARGETS="//runsc"' -## -help: ## Shows all targets and help from the Makefile (this message). - @grep --no-filename -E '^([a-z.A-Z_-]+:.*?|)##' $(MAKEFILE_LIST) | \ - awk 'BEGIN {FS = "(:.*?|)## ?"}; { \ - if (length($$1) > 0) { \ - printf " \033[36m%-20s\033[0m %s\n", $$1, $$2; \ - } else { \ - printf "%s\n", $$2; \ - } \ - }' -build: ## Builds the given $(TARGETS) with the given $(OPTIONS). E.g. make build TARGETS=runsc -test: ## Tests the given $(TARGETS) with the given $(OPTIONS). E.g. make test TARGETS=pkg/buffer:buffer_test -copy: ## Copies the given $(TARGETS) to the given $(DESTINATION). E.g. make copy TARGETS=runsc DESTINATION=/tmp -run: ## Runs the given $(TARGETS), built with $(OPTIONS), using $(ARGS). E.g. make run TARGETS=runsc ARGS=-version -sudo: ## Runs the given $(TARGETS) as per run, but using "sudo -E". E.g. make sudo TARGETS=test/root:root_test ARGS=-test.v -.PHONY: help build test copy run sudo - -# Load all bazel wrappers. -# -# This file should define the basic "build", "test", "run" and "sudo" rules, in -# addition to the $(BRANCH_NAME) variable. -ifneq (,$(wildcard tools/google.mk)) -include tools/google.mk -else -include tools/bazel.mk -endif - -## -## Docker image targets. -## -## Images used by the tests must also be built and available locally. -## The canonical test targets defined below will automatically load -## relevant images. These can be loaded or built manually via these -## targets. -## -## (*) Note that you may provide an ARCH parameter in order to build -## and load images from an alternate archiecture (using qemu). When -## bazel is run as a server, this has the effect of running an full -## cross-architecture chain, and can produce cross-compiled binaries. -## -define images -$(1)-%: ## Image tool: $(1) a given image (also may use 'all-images'). - @$(call submake,-C images $$@) -endef -rebuild-...: ## Rebuild the given image. Also may use 'rebuild-all-images'. -$(eval $(call images,rebuild)) -push-...: ## Push the given image. Also may use 'push-all-images'. -$(eval $(call images,push)) -pull-...: ## Pull the given image. Also may use 'pull-all-images'. -$(eval $(call images,pull)) -load-...: ## Load (pull or rebuild) the given image. Also may use 'load-all-images'. -$(eval $(call images,load)) -list-images: ## List all available images. - @$(call submake, -C images $$@) - -## -## Canonical build and test targets. -## -## These targets are used by continuous integration and provide -## convenient entrypoints for testing changes. If you're adding a -## new subsystem or workflow, consider adding a new target here. -## -## Some targets support a PARTITION (1-indexed) and TOTAL_PARTITIONS -## environment variables for high-level test sharding. Unlike most -## other variables, these are sourced from the environment. -## -PARTITION ?= 1 -TOTAL_PARTITIONS ?= 1 -PARTITIONS := --test_arg=--partition=$(PARTITION) --test_arg=--total_partitions=$(TOTAL_PARTITIONS) - -runsc: ## Builds the runsc binary. - @$(call submake,build OPTIONS="-c opt" TARGETS="//runsc") -.PHONY: runsc - -debian: ## Builds the debian packages. - @$(call submake,build OPTIONS="-c opt" TARGETS="//debian:debian") -.PHONY: debian - -smoke-tests: ## Runs a simple smoke test after build runsc. - @$(call submake,run DOCKER_PRIVILEGED="" ARGS="--alsologtostderr --network none --debug --TESTONLY-unsafe-nonroot=true --rootless do true") -.PHONY: smoke-tests - -fuse-tests: - @$(call submake,test OPTIONS="--test_tag_filters fuse $(PARTITIONS)" TARGETS="test/fuse/...") -.PHONY: fuse-tests - -unit-tests: ## Local package unit tests in pkg/..., runsc/, tools/.., etc. - @$(call submake,test TARGETS="pkg/... runsc/... tools/...") -.PHONY: unit-tests - -tests: ## Runs all unit tests and syscall tests. -tests: unit-tests syscall-tests -.PHONY: tests - -integration-tests: ## Run all standard integration tests. -integration-tests: docker-tests overlay-tests hostnet-tests swgso-tests -integration-tests: do-tests kvm-tests containerd-test-1.3.4 -.PHONY: integration-tests - -network-tests: ## Run all networking integration tests. -network-tests: iptables-tests packetdrill-tests packetimpact-tests -.PHONY: network-tests - -# Standard integration targets. -INTEGRATION_TARGETS := //test/image:image_test //test/e2e:integration_test - -syscall-%-tests: - @$(call submake,test OPTIONS="--test_tag_filters runsc_$* $(PARTITIONS)" TARGETS="test/syscalls/...") - -syscall-native-tests: - @$(call submake,test OPTIONS="--test_tag_filters native $(PARTITIONS)" TARGETS="test/syscalls/...") -.PHONY: syscall-native-tests - -syscall-tests: ## Run all system call tests. - @$(call submake,test OPTIONS="$(PARTITIONS)" TARGETS="test/syscalls/...") - -%-runtime-tests: load-runtimes_% - @$(call submake,install-runtime) - @$(call submake,test-runtime OPTIONS="--test_timeout=10800" TARGETS="//test/runtimes:$*") - -%-runtime-tests_vfs2: load-runtimes_% - @$(call submake,install-runtime RUNTIME="vfs2" ARGS="--vfs2") - @$(call submake,test-runtime RUNTIME="vfs2" OPTIONS="--test_timeout=10800" TARGETS="//test/runtimes:$*") - -do-tests: runsc - @$(call submake,run TARGETS="//runsc" ARGS="--rootless do true") - @$(call submake,run TARGETS="//runsc" ARGS="--rootless -network=none do true") - @$(call submake,sudo TARGETS="//runsc" ARGS="do true") -.PHONY: do-tests - -simple-tests: unit-tests # Compatibility target. -.PHONY: simple-tests - -docker-tests: load-basic-images - @$(call submake,install-runtime RUNTIME="vfs1") - @$(call submake,test-runtime RUNTIME="vfs1" TARGETS="$(INTEGRATION_TARGETS)") - @$(call submake,install-runtime RUNTIME="vfs2" ARGS="--vfs2") - @$(call submake,test-runtime RUNTIME="vfs2" TARGETS="$(INTEGRATION_TARGETS)") -.PHONY: docker-tests - -overlay-tests: load-basic-images - @$(call submake,install-runtime RUNTIME="overlay" ARGS="--overlay") - @$(call submake,test-runtime RUNTIME="overlay" TARGETS="$(INTEGRATION_TARGETS)") -.PHONY: overlay-tests - -swgso-tests: load-basic-images - @$(call submake,install-runtime RUNTIME="swgso" ARGS="--software-gso=true --gso=false") - @$(call submake,test-runtime RUNTIME="swgso" TARGETS="$(INTEGRATION_TARGETS)") -.PHONY: swgso-tests - -hostnet-tests: load-basic-images - @$(call submake,install-runtime RUNTIME="hostnet" ARGS="--network=host") - @$(call submake,test-runtime RUNTIME="hostnet" OPTIONS="--test_arg=-checkpoint=false" TARGETS="$(INTEGRATION_TARGETS)") -.PHONY: hostnet-tests - -kvm-tests: load-basic-images - @(lsmod | grep -E '^(kvm_intel|kvm_amd)') || sudo modprobe kvm - @if ! [[ -w /dev/kvm ]]; then sudo chmod a+rw /dev/kvm; fi - @$(call submake,test TARGETS="//pkg/sentry/platform/kvm:kvm_test") - @$(call submake,install-runtime RUNTIME="kvm" ARGS="--platform=kvm") - @$(call submake,test-runtime RUNTIME="kvm" TARGETS="$(INTEGRATION_TARGETS)") -.PHONY: kvm-tests - -iptables-tests: load-iptables - @sudo modprobe iptable_filter - @sudo modprobe ip6table_filter - @$(call submake,test-runtime RUNTIME="runc" TARGETS="//test/iptables:iptables_test") - @$(call submake,install-runtime RUNTIME="iptables" ARGS="--net-raw") - @$(call submake,test-runtime RUNTIME="iptables" TARGETS="//test/iptables:iptables_test") -.PHONY: iptables-tests - -# Run the iptables tests with runsc only. Useful for developing to skip runc -# testing. -iptables-runsc-tests: load-iptables - @sudo modprobe iptable_filter - @sudo modprobe ip6table_filter - @$(call submake,install-runtime RUNTIME="iptables" ARGS="--net-raw") - @$(call submake,test-runtime RUNTIME="iptables" TARGETS="//test/iptables:iptables_test") -.PHONY: iptables-runsc-tests - -packetdrill-tests: load-packetdrill - @$(call submake,install-runtime RUNTIME="packetdrill") - @$(call submake,test-runtime RUNTIME="packetdrill" TARGETS="$(shell $(MAKE) -s query TARGETS='attr(tags, packetdrill, tests(//...))')") -.PHONY: packetdrill-tests - -packetimpact-tests: load-packetimpact - @sudo modprobe iptable_filter - @sudo modprobe ip6table_filter - @$(call submake,install-runtime RUNTIME="packetimpact") - @$(call submake,test-runtime OPTIONS="--jobs=HOST_CPUS*3 --local_test_jobs=HOST_CPUS*3" RUNTIME="packetimpact" TARGETS="$(shell $(MAKE) -s query TARGETS='attr(tags, packetimpact, tests(//...))')") -.PHONY: packetimpact-tests - -# Specific containerd version tests. -containerd-test-%: load-basic_alpine load-basic_python load-basic_busybox load-basic_resolv load-basic_httpd load-basic_ubuntu - @$(call submake,install-runtime RUNTIME="root") - @CONTAINERD_VERSION=$* $(MAKE) -s sudo TARGETS="tools/installers:containerd" - @$(MAKE) -s sudo TARGETS="tools/installers:shim" - @$(MAKE) -s sudo TARGETS="test/root:root_test" ARGS="--runtime=root -test.v" - -# Note that we can't run containerd-test-1.1.8 tests here. -# -# Containerd 1.1.8 should work, but because of a bug in loading images locally -# (https://github.com/kubernetes-sigs/cri-tools/issues/421), we are unable to -# actually drive the tests. The v1 API is tested exclusively through 1.2.13. -containerd-tests: ## Runs all supported containerd version tests. -containerd-tests: containerd-test-1.2.13 -containerd-tests: containerd-test-1.3.4 -containerd-tests: containerd-test-1.4.0-beta.0 - -## -## Benchmarks. -## -## Targets to run benchmarks. See //test/benchmarks for details. -## -## common arguments: -## RUNTIME_ARGS - arguments to runsc placed in /etc/docker/daemon.json -## e.g. "--platform=ptrace" -## BENCHMARKS_PROJECT - BigQuery project to which to send data. -## BENCHMARKS_DATASET - BigQuery dataset to which to send data. -## BENCHMARKS_TABLE - BigQuery table to which to send data. -## BENCHMARKS_SUITE - name of the benchmark suite. See //tools/bigquery/bigquery.go. -## BENCHMARKS_UPLOAD - if true, upload benchmark data from the run. -## BENCHMARKS_OFFICIAL - marks the data as official. -## BENCHMARKS_PLATFORMS - platforms to run benchmarks (e.g. ptrace kvm). -## -BENCHMARKS_PROJECT := gvisor-benchmarks -BENCHMARKS_DATASET := kokoro -BENCHMARKS_TABLE := benchmarks -BENCHMARKS_SUITE := start -BENCHMARKS_UPLOAD := false -BENCHMARKS_OFFICIAL := false -BENCHMARKS_PLATFORMS := ptrace -BENCHMARKS_TARGETS := //test/benchmarks/base:startup_test -BENCHMARKS_ARGS := -test.bench=. -pprof-cpu -pprof-heap -pprof-heap -pprof-block - -init-benchmark-table: ## Initializes a BigQuery table with the benchmark schema -## (see //tools/bigquery/bigquery.go). If the table alread exists, this is a noop. - $(call submake, run TARGETS=//tools/parsers:parser ARGS="init --project=$(BENCHMARKS_PROJECT) \ - --dataset=$(BENCHMARKS_DATASET) --table=$(BENCHMARKS_TABLE)") -.PHONY: init-benchmark-table - -benchmark-platforms: load-benchmarks-images ## Runs benchmarks for runc and all given platforms in BENCHMARK_PLATFORMS. - $(foreach PLATFORM,$(BENCHMARKS_PLATFORMS), \ - $(call submake,run-benchmark RUNTIME="$(PLATFORM)" ARGS="--platform=$(PLATFORM) --vfs2") && \ - $(call submake,run-benchmark RUNTIME="$(PLATFORM)_vfs1" ARGS="--platform=$(PLATFORM)") && \ - ) \ - $(call submake, run-benchmark RUNTIME="runc") -.PHONY: benchmark-platforms - -run-benchmark: load-benchmarks-images ## Runs single benchmark and optionally sends data to BigQuery. - @if [[ "$(RUNTIME)" != "runc" ]]; then $(call submake,install-runtime ARGS="$(ARGS) --profile"); fi - @T=$$(mktemp --tmpdir logs.$(RUNTIME).XXXXXX); \ - $(call submake,sudo TARGETS="$(BENCHMARKS_TARGETS)" ARGS="--runtime=$(RUNTIME) $(BENCHMARKS_ARGS) | tee $$T"); \ - rc=$$?; \ - if [[ $$rc -eq 0 ]] && [[ "$(BENCHMARKS_UPLOAD)" == "true" ]]; then \ - $(call submake,run TARGETS="tools/parsers:parser" ARGS="parse --debug --file=$$T \ - --runtime=$(RUNTIME) --suite_name=$(BENCHMARKS_SUITE) \ - --project=$(BENCHMARKS_PROJECT) --dataset=$(BENCHMARKS_DATASET) \ - --table=$(BENCHMARKS_TABLE) --official=$(BENCHMARKS_OFFICIAL)"); \ - fi; \ - rm -rf $$T; \ - exit $$rc -.PHONY: run-benchmark -.PHONY: load-benchmarks-images - -## -## Website & documentation helpers. -## -## The website is built from repository documentation and wrappers, using -## using a locally-defined Docker image (see images/jekyll). The following -## variables may be set when using website-push: -## WEBSITE_IMAGE - The name of the container image. -## WEBSITE_SERVICE - The backend service. -## WEBSITE_PROJECT - The project id to use. -## WEBSITE_REGION - The region to deploy to. -## -WEBSITE_IMAGE := gcr.io/gvisordev/gvisordev -WEBSITE_SERVICE := gvisordev -WEBSITE_PROJECT := gvisordev -WEBSITE_REGION := us-central1 - -website-build: load-jekyll ## Build the site image locally. - @$(call submake,run TARGETS="//website:website" ARGS="$(WEBSITE_IMAGE)") -.PHONY: website-build - -website-server: website-build ## Run a local server for development. - @docker run -i -p 8080:8080 $(WEBSITE_IMAGE) -.PHONY: website-server - -website-push: website-build ## Push a new image and update the service. - @docker push $(WEBSITE_IMAGE) -.PHONY: website-push - -website-deploy: website-push ## Deploy a new version of the website. - @gcloud run deploy $(WEBSITE_SERVICE) --platform=managed --region=$(WEBSITE_REGION) --project=$(WEBSITE_PROJECT) --image=$(WEBSITE_IMAGE) -.PHONY: website-deploy - -## -## Repository builders. -## -## This builds a local apt repository. The following variables may be set: -## RELEASE_ROOT - The repository root (default: "repo" directory). -## RELEASE_KEY - The repository GPG private key file (default: dummy key is created). -## RELEASE_NIGHTLY - Set to true if a nightly release (default: false). -## RELEASE_COMMIT - The commit or Change-Id for the release (needed for tag). -## RELEASE_NAME - The name of the release in the proper format (needed for tag). -## RELEASE_NOTES - The file containing release notes (needed for tag). -## -RELEASE_ROOT := $(CURDIR)/repo -RELEASE_KEY := repo.key -RELEASE_NIGHTLY := false -RELEASE_COMMIT := -RELEASE_NAME := -RELEASE_NOTES := - -GPG_TEST_OPTIONS := $(shell if gpg --pinentry-mode loopback --version >/dev/null 2>&1; then echo --pinentry-mode loopback; fi) -$(RELEASE_KEY): - @echo "WARNING: Generating a key for testing ($@); don't use this." - T=$$(mktemp --tmpdir keyring.XXXXXX); \ - C=$$(mktemp --tmpdir config.XXXXXX); \ - echo Key-Type: DSA >> $$C && \ - echo Key-Length: 1024 >> $$C && \ - echo Name-Real: Test >> $$C && \ - echo Name-Email: test@example.com >> $$C && \ - echo Expire-Date: 0 >> $$C && \ - echo %commit >> $$C && \ - gpg --batch $(GPG_TEST_OPTIONS) --passphrase '' --no-default-keyring --secret-keyring $$T --no-tty --gen-key $$C && \ - gpg --batch $(GPG_TEST_OPTIONS) --export-secret-keys --no-default-keyring --secret-keyring $$T > $@; \ - rc=$$?; rm -f $$T $$C; exit $$rc - -release: $(RELEASE_KEY) ## Builds a release. - @mkdir -p $(RELEASE_ROOT) - @T=$$(mktemp -d --tmpdir release.XXXXXX); \ - $(call submake,copy TARGETS="//runsc:runsc" DESTINATION=$$T) && \ - $(call submake,copy TARGETS="//shim/v1:gvisor-containerd-shim" DESTINATION=$$T) && \ - $(call submake,copy TARGETS="//shim/v2:containerd-shim-runsc-v1" DESTINATION=$$T) && \ - $(call submake,copy TARGETS="//debian:debian" DESTINATION=$$T) && \ - NIGHTLY=$(RELEASE_NIGHTLY) tools/make_release.sh $(RELEASE_KEY) $(RELEASE_ROOT) $$T/*; \ - rc=$$?; rm -rf $$T; exit $$rc -.PHONY: release - -tag: ## Creates and pushes a release tag. - @tools/tag_release.sh "$(RELEASE_COMMIT)" "$(RELEASE_NAME)" "$(RELEASE_NOTES)" -.PHONY: tag - -## -## Development helpers and tooling. -## -## These targets faciliate local development by automatically -## installing and configuring a runtime. Several variables may -## be used here to tweak the installation: -## RUNTIME - The name of the installed runtime (default: branch). -## RUNTIME_DIR - Where the runtime will be installed (default: temporary directory with the $RUNTIME). -## RUNTIME_BIN - The runtime binary (default: $RUNTIME_DIR/runsc). -## RUNTIME_LOG_DIR - The logs directory (default: $RUNTIME_DIR/logs). -## RUNTIME_LOGS - The log pattern (default: $RUNTIME_LOG_DIR/runsc.log.%TEST%.%TIMESTAMP%.%COMMAND%). -## -ifeq (,$(BRANCH_NAME)) -RUNTIME := runsc -RUNTIME_DIR := $(shell dirname $(shell mktemp -u))/$(RUNTIME) -else -RUNTIME := $(BRANCH_NAME) -RUNTIME_DIR := $(shell dirname $(shell mktemp -u))/$(RUNTIME) -endif -RUNTIME_BIN := $(RUNTIME_DIR)/runsc -RUNTIME_LOG_DIR := $(RUNTIME_DIR)/logs -RUNTIME_LOGS := $(RUNTIME_LOG_DIR)/runsc.log.%TEST%.%TIMESTAMP%.%COMMAND% - -dev: ## Installs a set of local runtimes. Requires sudo. - @$(call submake,refresh) - @$(call submake,configure RUNTIME_NAME="$(RUNTIME)" ARGS="--net-raw") - @$(call submake,configure RUNTIME_NAME="$(RUNTIME)-d" ARGS="--net-raw --debug --strace --log-packets") - @$(call submake,configure RUNTIME_NAME="$(RUNTIME)-p" ARGS="--net-raw --profile") - @$(call submake,configure RUNTIME_NAME="$(RUNTIME)-vfs2-d" ARGS="--net-raw --debug --strace --log-packets --vfs2") - @sudo systemctl restart docker -.PHONY: dev - -refresh: ## Refreshes the runtime binary (for development only). Must have called 'dev' or 'install-runtime' first. - @mkdir -p "$(RUNTIME_DIR)" - @$(call submake,copy TARGETS=runsc DESTINATION="$(RUNTIME_BIN)") -.PHONY: refresh - -install-runtime: ## Installs the runtime for testing. Requires sudo. - @$(call submake,refresh) - @$(call submake,configure RUNTIME_NAME="$(RUNTIME)" ARGS="$(ARGS) --TESTONLY-test-name-env=RUNSC_TEST_NAME") - @sudo systemctl restart docker - @if [[ -f /etc/docker/daemon.json ]]; then \ - sudo chmod 0755 /etc/docker && \ - sudo chmod 0644 /etc/docker/daemon.json; \ - fi -.PHONY: install-runtime - -install-debug-runtime: ## Installs the runtime for debugging. Requires sudo. - @$(call submake,install-runtime ARGS="--debug --strace --log-packets $(ARGS)") -.PHONY: install-debug-runtime - -configure: ## Configures a single runtime. Requires sudo. Typically called from dev or install-runtime. - @sudo sudo "$(RUNTIME_BIN)" install --experimental=true --runtime="$(RUNTIME_NAME)" -- --debug-log "$(RUNTIME_LOGS)" $(ARGS) - @echo -e "$(INFO) Installed runtime \"$(RUNTIME)\" @ $(RUNTIME_BIN)" - @echo -e "$(INFO) Logs are in: $(RUNTIME_LOG_DIR)" - @sudo rm -rf "$(RUNTIME_LOG_DIR)" && mkdir -p "$(RUNTIME_LOG_DIR)" -.PHONY: configure - -test-runtime: ## A convenient wrapper around test that provides the runtime argument. Target must still be provided. - @$(call submake,test OPTIONS="$(OPTIONS) --test_arg=--runtime=$(RUNTIME) $(PARTITIONS)") -.PHONY: test-runtime - -nogo: ## Surfaces all nogo findings. - @$(call submake,build OPTIONS="--build_tag_filters nogo" TARGETS="//...") - @$(call submake,run TARGETS="//tools/github" ARGS="$(foreach dir,$(BUILD_ROOTS),-path=$(CURDIR)/$(dir)) -dry-run nogo") -.PHONY: nogo - -gazelle: ## Runs gazelle to update WORKSPACE. - @$(call submake,run TARGETS="//:gazelle" ARGS="update-repos -from_file=go.mod -prune") -.PHONY: gazelle |