FROM public.ecr.aws/x8v8d7g8/mars-base:latest

WORKDIR /app

# Git time-travel: clone, then make the repo's default branch point AT the base
# commit with no future history — a real branch checkout (not a detached HEAD),
# future commits/tags gc'd away so the reference solution can't leak from history.
ARG BASE_SHA=9245bc59ebfa688e8c92dd691296ee69d0815e59
RUN git clone https://github.com/Effect-TS/effect . \
 && DEFAULT="$(git remote show origin | sed -n 's/.*HEAD branch: //p')" \
 && git checkout -B "$DEFAULT" "$BASE_SHA" \
 && git remote remove origin \
 && for b in $(git for-each-ref --format='%(refname:short)' refs/heads | grep -vx "$DEFAULT"); do git branch -D "$b" || true; done \
 && for t in $(git tag); do git merge-base --is-ancestor "$t" HEAD 2>/dev/null || git tag -d "$t"; done \
 && git reflog expire --expire=now --all \
 && git gc --prune=now \
 && (git submodule update --init --recursive || true)

RUN pnpm install --frozen-lockfile

# v1.1 node-id scoring: vitest's built-in JUnit reporter is used at verify time
# (`--reporter=junit --outputFile=...`); the official ctrf-io junit-to-ctrf
# converter (pinned) turns that XML into CTRF JSON for grading. npm -g installs
# out-of-tree (/usr/lib/node_modules) — assert /app stays porcelain-clean so the
# pnpm manifest/lockfile are provably untouched.
RUN cd /app && git status --porcelain > /tmp/porcelain.before \
 && npm install -g junit-to-ctrf@0.0.14 \
 && junit-to-ctrf --version \
 && git status --porcelain > /tmp/porcelain.after \
 && diff /tmp/porcelain.before /tmp/porcelain.after \
 && rm -f /tmp/porcelain.before /tmp/porcelain.after

# Disable git commit hooks (husky etc.): dev-workflow tooling, not task content.
# Broken hook environments otherwise block the agent's (and oracle's) commits.
RUN cd /app && git config core.hooksPath /dev/null

CMD ["/bin/bash"]
