Use volume mount in release build

- Use bind mount instead of tar stream to add source code to the release
  container.
- Update release Dockerfile to declare volume for the s2i source.
  Command updated to remove tar stream in
- Add sti-version-defs file to .gitignore

.gitignore

@@ -5,3 +5,6 @@
 .vscode/
 cmd/s2i/debug
 *~
+
+# Version definition file used in release build
+sti-version-defs

hack/build-release.sh

@@ -6,9 +6,10 @@
 set -o errexit
 set -o nounset
 set -o pipefail
+set -e
 
 STARTTIME=$(date +%s)
-S2I_ROOT=$(dirname "${BASH_SOURCE}")/..
+S2I_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 source "${S2I_ROOT}/hack/common.sh"
 source "${S2I_ROOT}/hack/util.sh"
 s2i::log::install_errexit
@@ -22,29 +23,21 @@ cd "${S2I_ROOT}"
 echo "++ Building openshift/sti-release"
 $buildCmd build -q --tag openshift/sti-release "${S2I_ROOT}/images/release"
 
-context="${S2I_ROOT}/_output/buildenv-context"
-
 # Clean existing output.
 rm -rf "${S2I_LOCAL_RELEASEPATH}"
-rm -rf "${context}"
-mkdir -p "${context}"
 mkdir -p "${S2I_LOCAL_RELEASEPATH}"
 
 # Generate version definitions.
 # You can commit a specific version by specifying S2I_GIT_COMMIT="" prior to build
 s2i::build::get_version_vars
-s2i::build::save_version_vars "${context}/sti-version-defs"
+s2i::build::save_version_vars "${S2I_ROOT}/sti-version-defs"
 
 echo "++ Building release ${S2I_GIT_VERSION}"
 
-# Create the input archive.
-git archive --format=tar -o "${context}/archive.tar" "${S2I_GIT_COMMIT}"
-tar -rf "${context}/archive.tar" -C "${context}" sti-version-defs
-gzip -f "${context}/archive.tar"
-
 # Perform the build and release in podman or docker.
-cat "${context}/archive.tar.gz" | $buildCmd run -i --cidfile="${context}/cid" -e RELEASE_LDFLAGS="-w -s" openshift/sti-release
-$buildCmd cp $(cat ${context}/cid):/go/src/github.com/openshift/source-to-image/_output/local/releases "${S2I_OUTPUT}"
+$buildCmd run --rm -it -e RELEASE_LDFLAGS="-w -s" \
+  -v "${S2I_ROOT}":/go/src/github.com/openshift/source-to-image:z \
+  openshift/sti-release
 echo "${S2I_GIT_COMMIT}" > "${S2I_LOCAL_RELEASEPATH}/.commit"
 
-ret=$?; ENDTIME=$(date +%s); echo "$0 took $(($ENDTIME - $STARTTIME)) seconds"; exit "$ret"
+ret=$?; ENDTIME=$(date +%s); echo "$0 took $((ENDTIME - STARTTIME)) seconds"; exit "$ret"

images/release/Dockerfile

@@ -15,9 +15,10 @@ ENV PATH=$PATH:$GOROOT/bin:$GOPATH/bin
 RUN yum install -y gcc zip && \
     yum clean all && \
     curl https://storage.googleapis.com/golang/go$VERSION.linux-amd64.tar.gz | tar -C /usr/local -xzf - && \
-    touch /sti-build-image
+    touch /sti-build-image && \
+    mkdir -p /go/src/github.com/openshift/source-to-image
 
 WORKDIR /go/src/github.com/openshift/source-to-image
-
-# Expect a tar with the source of STI (and /sti-version-defs in the root)
-CMD tar mxzf - && hack/build-cross.sh
+VOLUME ["/go/src/github.com/openshift/source-to-image"]
+# Expect source to be mounted in
+CMD ["./hack/build-cross.sh"]