Run tests using key in memory

Signed-off-by: Paulo Gomes <paulo.gomes@weave.works>

Author: Paulo Gomes

Dockerfile

@@ -1,6 +1,6 @@
 # This Dockerfile tests the hack/Makefile output against git2go.
 ARG BASE_VARIANT=alpine
-ARG GO_VERSION=1.17.6
+ARG GO_VERSION=1.17
 ARG XX_VERSION=1.1.0
 
 FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx

Dockerfile.test

@@ -1,28 +1,102 @@
+# This Dockerfile tests the hack/Makefile output against git2go.
 ARG BASE_VARIANT=alpine
 ARG GO_VERSION=1.17
 ARG XX_VERSION=1.1.0
 
-ARG LIBGIT2_IMG
-ARG LIBGIT2_TAG
+FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
 
-FROM ${LIBGIT2_IMG}:${LIBGIT2_TAG} AS build-deps
+FROM --platform=$BUILDPLATFORM ${BASE_VARIANT} AS build-base
+
+RUN apk add --no-cache \
+        bash \
+        curl \
+        build-base \
+        linux-headers \
+        perl \
+        cmake \
+        pkgconfig \
+        gcc \
+        musl-dev \
+        clang \
+        lld
 
-FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
+COPY --from=xx / /
+
+FROM build-base AS build-cross
+
+ARG TARGETPLATFORM
+
+RUN xx-apk add --no-cache \
+        build-base \
+        pkgconfig \
+        gcc \
+        musl-dev \
+        clang \
+        lld \
+        llvm \
+        linux-headers
+
+WORKDIR /build
+COPY hack/static.sh .
+
+ENV CC=xx-clang
+ENV CXX=xx-clang++
+
+RUN CHOST=$(xx-clang --print-target-triple) \
+    ./static.sh build_libz
+
+RUN CHOST=$(xx-clang --print-target-triple) \
+    ./static.sh build_openssl
+
+RUN export LIBRARY_PATH="/usr/local/$(xx-info triple)/lib:/usr/local/$(xx-info triple)/lib64:${LIBRARY_PATH}" && \
+    export PKG_CONFIG_PATH="/usr/local/$(xx-info triple)/lib/pkgconfig:/usr/local/$(xx-info triple)/lib64/pkgconfig" && \
+    export OPENSSL_ROOT_DIR="/usr/local/$(xx-info triple)" && \
+    export OPENSSL_CRYPTO_LIBRARY="/usr/local/$(xx-info triple)/lib64" && \
+    export OPENSSL_INCLUDE_DIR="/usr/local/$(xx-info triple)/include/openssl"
+
+RUN ./static.sh build_libssh2
+RUN ./static.sh build_libgit2
+
+
+# trimmed removes all non necessary files (i.e. openssl binary).
+FROM build-cross AS trimmed
+
+ARG TARGETPLATFORM
+RUN mkdir -p /trimmed/usr/local/$(xx-info triple)/ && \
+        mkdir -p /trimmed/usr/local/$(xx-info triple)/share
+
+RUN cp -r /usr/local/$(xx-info triple)/lib/ /trimmed/usr/local/$(xx-info triple)/ && \
+        cp -r /usr/local/$(xx-info triple)/lib64/ /trimmed/usr/local/$(xx-info triple)/ | true && \
+        cp -r /usr/local/$(xx-info triple)/include/ /trimmed/usr/local/$(xx-info triple)/ && \
+        cp -r /usr/local/$(xx-info triple)/share/doc/ /trimmed/usr/local/$(xx-info triple)/share/
+
+FROM scratch as libs-arm64
+COPY --from=trimmed /trimmed/ /
+
+FROM scratch as libs-amd64
+COPY --from=trimmed /trimmed/ /
+
+FROM scratch as libs-armv7
+COPY --from=trimmed /trimmed/ /
+
+FROM libs-$TARGETARCH$TARGETVARIANT as libs
+
+# Everything above this line is a copy from Dockefile.
 
 FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-${BASE_VARIANT} as gostable
 
 FROM gostable AS go-linux
 
 # Build-base consists of build platform dependencies and xx.
 # These will be used at current arch to yield execute the cross compilations.
-FROM go-${TARGETOS} AS build-base
+FROM go-${TARGETOS} AS go-base
 
 RUN apk add clang lld pkgconfig
 
 COPY --from=xx / /
 
 # build-go-mod can still be cached at build platform architecture.
-FROM build-base as build-go-mod
+FROM go-base as build-go-mod
 
 WORKDIR /root/smoketest
 COPY tests/smoketest/go.mod .
@@ -42,7 +116,7 @@ RUN xx-apk add musl-dev gcc clang lld
 WORKDIR /root/smoketest
 
 COPY tests/smoketest/main.go .
-COPY --from=build-deps /usr/local/ /usr/local/
+COPY --from=libs /usr/local/ /usr/local/
 
 ENV CGO_ENABLED=1
 RUN export LIBRARY_PATH="/usr/local/$(xx-info triple):/usr/local/$(xx-info triple)/lib64" && \

tests/smoketest/main.go

@@ -80,8 +80,7 @@ func main() {
 			FetchOptions: git2go.FetchOptions{
 				RemoteCallbacks: git2go.RemoteCallbacks{
 					CredentialsCallback: func(url string, username string, allowedTypes git2go.CredentialType) (*git2go.Credential, error) {
-						return git2go.NewCredentialSSHKeyFromMemory("git",
-							string(rsa.PublicKey), string(rsa.PrivateKey), "")
+						return git2go.NewCredentialSSHKeyFromMemory("git", string(rsa.PublicKey), string(rsa.PrivateKey), "")
 					},
 					CertificateCheckCallback: knownHostsCallback(u.Host, knownHosts),
 				},
@@ -100,8 +99,7 @@ func main() {
 			FetchOptions: git2go.FetchOptions{
 				RemoteCallbacks: git2go.RemoteCallbacks{
 					CredentialsCallback: func(url string, username string, allowedTypes git2go.CredentialType) (*git2go.Credential, error) {
-						return git2go.NewCredentialSSHKeyFromMemory("git",
-							string(ed25519.PublicKey), string(ed25519.PrivateKey), "")
+						return git2go.NewCredentialSSHKeyFromMemory("git", string(ed25519.PublicKey), string(ed25519.PrivateKey), "")
 					},
 					CertificateCheckCallback: knownHostsCallback(u.Host, knownHosts),
 				},