🌱 If seed dir exists on the filesystem, don't clone it in the dockerf…

…ile (konveyor#576)

This was the simplest way to do it I think, without requiring Makefile
updates to pass along build-args and dealing with various values. If you
just drop tackle2-seed into the project it won't clone it anymore.

Signed-off-by: Fabian von Feilitzsch <fabian@fabianism.us>

Dockerfile

@@ -1,18 +1,23 @@
+ARG SEED_ROOT=/opt/app-root/src/tackle2-seed
 FROM registry.access.redhat.com/ubi9/go-toolset:latest as builder
 ENV GOPATH=$APP_ROOT
 COPY --chown=1001:0 . .
 RUN make docker
 ARG SEED_PROJECT=konveyor/tackle2-seed
 ARG SEED_BRANCH=main
-RUN git clone --branch ${SEED_BRANCH} https://github.com/${SEED_PROJECT}
+ARG SEED_ROOT
+RUN if [ ! -d "${SEED_ROOT}" ]; then \
+      git clone --branch ${SEED_BRANCH} https://github.com/${SEED_PROJECT} ${SEED_ROOT}; \
+    fi
 
 FROM quay.io/konveyor/static-report as report
 
 FROM registry.access.redhat.com/ubi9/ubi-minimal
+ARG SEED_ROOT
 COPY --from=builder /opt/app-root/src/bin/hub /usr/local/bin/tackle-hub
 COPY --from=builder /opt/app-root/src/auth/roles.yaml /tmp/roles.yaml
 COPY --from=builder /opt/app-root/src/auth/users.yaml /tmp/users.yaml
-COPY --from=builder /opt/app-root/src/tackle2-seed/resources/ /tmp/seed
+COPY --from=builder ${SEED_ROOT}/resources/ /tmp/seed
 COPY --from=report /usr/local/static-report /tmp/analysis/report
 
 RUN microdnf -y install \