Step 2 of 2: Adding windows build back and added ability to reproduce goreleaser builds locally (localbuild.sh) in a way exactly consistent with Cloud Build (cloudbuild.sh) but as a *build* only, without being coupled to Cloud Build or it's dependencies (like Cloud KMS, GitHub, etc).

releasing/README.md

@@ -595,6 +595,24 @@ git push upstream :latest_kustomize
 git tag -a latest_kustomize
 ```
 
+### Optionally build locally
+
+[localbuild.sh]: localbuild.sh
+
+Load the same version of `goreleaser` referenced in `cloudbuild.yaml` via docker and run [localbuild.sh] from the container's command line:
+
+```
+# Get goreleaser image from cloudbuild.yaml 
+export GORELEASER_IMAGE=goreleaser/goreleaser:v0.172.1
+
+# Drop into a shell
+docker run -it --entrypoint=/bin/bash  -v $(pwd):/go/src/github.com/kubernetes-sigs/kustomize -w /go/src/github.com/kubernetes-sigs/kustomize $GORELEASER_IMAGE
+
+# Run build
+./releasing/localbuild.sh TAG [--snapshot]
+```
+
+
 ### Optionally build and release locally
 
 [cloudbuild-local.sh]: cloudbuild-local.sh

releasing/cloudbuild.sh

@@ -92,6 +92,7 @@ builds:
   goos:
   - linux
   - darwin
+  - windows
 
   goarch:
   - amd64
@@ -117,6 +118,7 @@ cat $goReleaserConfigFile
 date
 
 time /usr/local/bin/goreleaser release \
+  --debug \
   --timeout 10m \
   --parallelism 4 \
   --config=$goReleaserConfigFile \

releasing/localbuild.sh

@@ -0,0 +1,125 @@
+#!/bin/bash
+#
+# Works exactly like cloudbuild.sh but doesn't perform a release.
+#
+# Usage (from top of repo):
+#
+#  releasing/localbuild.sh TAG [--snapshot]
+#
+# Where TAG is in the form
+#
+#   api/v1.2.3
+#   kustomize/v1.2.3
+#   cmd/config/v1.2.3
+#   ... etc.
+#
+# This script runs a build through goreleaser (http://goreleaser.com) but nothing else.
+#
+
+set -e
+set -x
+
+fullTag=$1
+shift
+echo "fullTag=$fullTag"
+
+remainingArgs="$@"
+echo "Remaining args:  $remainingArgs"
+
+# Take everything before the last slash.
+# This is expected to match $module.
+module=${fullTag%/*}
+echo "module=$module"
+
+# Find previous tag that matches the tags module
+prevTag=$(git tag -l "$module*" --sort=-version:refname --no-contains=$fullTag | head -n 1)
+
+# Generate the changelog for this release
+# using the last two tags for the module
+changeLogFile=$(mktemp)
+git log $prevTag..$fullTag \
+  --pretty=oneline \
+  --abbrev-commit --no-decorate --no-color --no-merges \
+  -- $module > $changeLogFile
+echo "Release notes:"
+cat $changeLogFile
+
+# Take everything after the last slash.
+# This should be something like "v1.2.3".
+semVer=`echo $fullTag | sed "s|$module/||"`
+echo "semVer=$semVer"
+
+# This is probably a directory called /workspace
+echo "pwd = $PWD"
+
+# Sanity check
+echo "### ls -las . ################################"
+ls -las .
+echo "###################################"
+
+
+# CD into the module directory.
+# This directory expected to contain a main.go, so there's
+# no need for extra details in the `build` stanza below.
+cd $module
+
+skipBuild=true
+if [[ "$module" == "kustomize" || "$module" == "pluginator" ]]; then
+  # If releasing a main program, don't skip the build.
+  skipBuild=false
+fi
+
+goReleaserConfigFile=$(mktemp)
+
+cat <<EOF >$goReleaserConfigFile
+project_name: $module
+
+archives:
+- name_template: "${module}_${semVer}_{{ .Os }}_{{ .Arch }}"
+
+builds:
+- skip: $skipBuild
+
+  ldflags: >
+    -s
+    -X sigs.k8s.io/kustomize/api/provenance.version={{.Version}}
+    -X sigs.k8s.io/kustomize/api/provenance.gitCommit={{.Commit}}
+    -X sigs.k8s.io/kustomize/api/provenance.buildDate={{.Date}}
+
+  goos:
+  - linux
+  - darwin
+  - windows
+
+  goarch:
+  - amd64
+  - arm64
+
+checksum:
+  name_template: 'checksums.txt'
+
+env:
+- CGO_ENABLED=0
+- GO111MODULE=on
+
+release:
+  github:
+    owner: kubernetes-sigs
+    name: kustomize
+  draft: true
+
+EOF
+
+cat $goReleaserConfigFile
+
+date
+
+time /usr/local/bin/goreleaser build \
+  --debug \
+  --timeout 10m \
+  --parallelism 4 \
+  --config=$goReleaserConfigFile \
+  --rm-dist \
+  --skip-validate $remainingArgs
+
+date