# syntax=docker/dockerfile:1
# Targeted (re)build of specific package versions, executed on a remote buildx
# builder. The build's effect is the S3 upload performed by build-one.R; no
# image is kept (the justfile uses --output type=cacheonly). CACHEBUST forces
# the RUN to re-execute on every invocation.
#
# Build context is `local/` (see the `rebuild` recipe in the justfile).
ARG OS
ARG OS_VERSION
FROM reg.devxy.io/rpkgs/build-env-${OS}:${OS_VERSION}

ARG R_VERSION=4.5.3
ARG PACKAGE
ARG VERSIONS
ARG CACHEBUST

WORKDIR /work
COPY build-one.R /work/build-one.R
# Resolve and install the latest bincraft release dynamically (no hardcoded pin).
COPY install-bincraft.R /work/install-bincraft.R
# Ship the patch registry so build-one.R's `patches = "local/patches"` resolves
# (build context is `local/`, CWD is /work).
COPY patches /work/local/patches

RUN --mount=type=secret,id=b2_access,required=true \
    --mount=type=secret,id=b2_secret,required=true \
    --mount=type=secret,id=pgpass,required=true \
    --mount=type=secret,id=github_pat,required=false \
    export B2_S3_ACCESS_KEY="$(cat /run/secrets/b2_access)" && \
    export B2_S3_SECRET_KEY="$(cat /run/secrets/b2_secret)" && \
    export PGPASS="$(cat /run/secrets/pgpass)" && \
    export GITHUB_PAT="$(cat /run/secrets/github_pat 2>/dev/null || true)" && \
    export GIT_TERMINAL_PROMPT=0 && \
    export OTEL_SDK_DISABLED=true && \
    export OTEL_R_TRACES_EXPORTER=none && \
    export OTEL_R_LOGS_EXPORTER=none && \
    export OTEL_R_METRICS_EXPORTER=none && \
    XVFB=$(command -v xwfb-run 2>/dev/null || command -v xvfb-run || true); \
    XVFB_ARGS=""; \
    if command -v xwfb-run >/dev/null 2>&1; then dnf install -y -q weston 2>/dev/null; XVFB_ARGS="-c weston"; fi; \
    USE_XVFB=0; \
    if [ -n "$XVFB" ] && $XVFB -a $XVFB_ARGS -- true >/dev/null 2>&1; then \
      USE_XVFB=1; echo "Using virtual display via $XVFB"; \
    else \
      echo "No working virtual display; building without xvfb" >&2; \
    fi; \
    run_build() { if [ "$USE_XVFB" = 1 ]; then $XVFB -a $XVFB_ARGS -- "$@"; else "$@"; fi; }; \
    ensure_bincraft() { "$1" -q -e 'source("/work/install-bincraft.R")'; }; \
    PRIMARY_MINOR=$(echo "$R_VERSION" | cut -d. -f1-2); \
    seen=" $PRIMARY_MINOR "; \
    prc=0; failed=""; \
    rm -f .r_minor_sensitive; \
    echo "=== primary pass under R $R_VERSION ==="; \
    ensure_bincraft /opt/R/${R_VERSION}/bin/R; \
    run_build /opt/R/${R_VERSION}/bin/Rscript /work/build-one.R "${PACKAGE}" ${VERSIONS} || prc=$?; \
    if [ -f .r_minor_sensitive ]; then \
      for RBIN in /opt/R/*/bin/Rscript; do \
        [ -x "$RBIN" ] || continue; \
        RV=$(basename "$(dirname "$(dirname "$RBIN")")"); \
        case "$RV" in [0-9]*) ;; *) continue ;; esac; \
        RMINOR=$(echo "$RV" | cut -d. -f1-2); \
        case "$seen" in *" $RMINOR "*) continue ;; esac; \
        seen="$seen$RMINOR "; \
        echo "=== sensitive-only pass under R $RV ==="; \
        ensure_bincraft "$(dirname "$RBIN")/R"; \
        run_build "$RBIN" /work/build-one.R --sensitive-only "${PACKAGE}" ${VERSIONS} || failed="$failed $RV"; \
      done; \
    else \
      echo "Package not r-minor-sensitive; skipping per-minor passes."; \
    fi; \
    if [ -n "$failed" ]; then echo "WARNING: extra-minor build(s) failed (non-fatal; e.g. a version too old to compile on a newer R):$failed" >&2; fi; \
    if [ "$prc" != 0 ]; then echo "primary pass under R $R_VERSION failed (exit $prc)" >&2; fi; \
    exit "$prc"