e2e: build and install trust plugin

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

Dockerfile

@@ -91,6 +91,19 @@ RUN --mount=type=bind,target=.,ro \
     TARGET=/out ./scripts/build/binary && \
     xx-verify $([ "$GO_LINKMODE" = "static" ] && echo "--static") /out/docker
 
+FROM build-${BASE_VARIANT} AS build-trust
+ARG GO_LINKMODE=static
+ARG GO_BUILDTAGS
+ARG GO_STRIP
+ARG CGO_ENABLED
+ARG VERSION
+RUN --mount=ro --mount=type=cache,target=/root/.cache \
+    xx-go --wrap && \
+    TARGET=/out ./scripts/build/trust-plugin
+
+FROM scratch AS trust
+COPY --link --from=build-trust /out/docker-trust /
+
 FROM build-${BASE_VARIANT} AS test
 COPY --link --from=gotestsum /out/gotestsum /usr/bin/gotestsum
 ENV GO111MODULE=auto
@@ -127,6 +140,7 @@ COPY --link --from=build /out ./build/
 COPY --link --from=build-plugins /out ./build/
 COPY --link --from=buildx  /buildx         /usr/libexec/docker/cli-plugins/docker-buildx
 COPY --link --from=compose /docker-compose /usr/libexec/docker/cli-plugins/docker-compose
+COPY --link --from=trust   /docker-trust   /usr/libexec/docker/cli-plugins/docker-trust
 COPY --link . .
 ENV DOCKER_BUILDKIT=1
 ENV PATH=/go/src/github.com/docker/cli/build:$PATH

scripts/build/trust-plugin

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+#
+# Build plugins examples for the host OS/ARCH
+#
+
+set -eu -o pipefail
+
+# Disable CGO - we don't need it for these plugins.
+#
+# Important: this must be done before sourcing "./scripts/build/.variables",
+# because some other variables are conditionally set whether CGO is enabled.
+export CGO_ENABLED=0
+
+source ./scripts/build/.variables
+
+TARGET_PLUGIN="$(dirname "${TARGET}")/docker-trust-${GOOS}-${GOARCH}"
+mkdir -p "$(dirname "${TARGET_PLUGIN}")"
+
+echo "Building $GO_LINKMODE $(basename "${TARGET_PLUGIN}")"
+(set -x ; GO111MODULE=auto go build -o "${TARGET_PLUGIN}" -tags "${GO_BUILDTAGS}" -ldflags "${GO_LDFLAGS}" ${GO_BUILDMODE} "github.com/docker/cli/cmd/docker-trust")
+
+ln -sf "$(basename "${TARGET_PLUGIN}")" "$(dirname "${TARGET}")/docker-trust"