104 lines
3.9 KiB
Bash
Executable File
104 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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# Fetch the latest master branch of Bantam AI agent from
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# https://code.luxferre.top/luxferre/bantam-cpp and cross-compile for armv7
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set -eu
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BASE_DIR="$(cd "$(dirname "$0")/.." && pwd)"
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BANTAM_REPO_URL="${BANTAM_REPO_URL:-https://code.luxferre.top/luxferre/bantam-cpp}"
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BANTAM_BRANCH="${BANTAM_BRANCH:-master}"
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ROOTFS_DIR="${ROOTFS_DIR:-$BASE_DIR/rootfs}"
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if [ -e "$ROOTFS_DIR" ]; then
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ROOTFS_DIR="$(realpath "$ROOTFS_DIR")"
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fi
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exec docker run --rm --network=host \
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-e HOST_UID="$(id -u)" \
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-e HOST_GID="$(id -g)" \
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-e BANTAM_REPO_URL="$BANTAM_REPO_URL" \
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-e BANTAM_BRANCH="$BANTAM_BRANCH" \
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-v "$BASE_DIR:/bananarchy" \
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-v "$ROOTFS_DIR:/target-rootfs" \
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alpine:3.24 sh -eu -c '
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cat > /etc/apk/repositories <<EOF
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https://mirror.nura.eco/postmarketos/v26.06
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https://dl-cdn.alpinelinux.org/alpine/edge/main
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https://dl-cdn.alpinelinux.org/alpine/edge/community
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https://dl-cdn.alpinelinux.org/alpine/edge/testing
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EOF
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cp /bananarchy/keys/* /etc/apk/keys/
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apk add --no-cache \
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build-base \
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git \
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ca-certificates \
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gcc-armv7 \
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g++-armv7 \
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binutils-armv7 >/dev/null
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# Keep target-rootfs clean of -dev headers; use an ephemeral armv7 build sysroot
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if [ -d /target-rootfs/etc/apk ]; then
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apk --root /target-rootfs --arch armv7 del --no-scripts \
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curl-dev readline-dev ncurses-dev >/dev/null 2>&1 || true
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fi
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echo "[1/4] Preparing ephemeral armv7 sysroot (musl-dev, curl-dev, readline-dev)..."
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mkdir -p /tmp/armv7-sysroot/etc/apk/keys
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cp /etc/apk/repositories /tmp/armv7-sysroot/etc/apk/repositories
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cp /etc/apk/keys/* /tmp/armv7-sysroot/etc/apk/keys/
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apk --root /tmp/armv7-sysroot --initdb --arch armv7 add --no-scripts \
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alpine-baselayout \
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musl-dev \
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linux-headers \
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curl-dev \
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readline-dev \
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ncurses-dev >/dev/null
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echo "[2/4] Cloning latest $BANTAM_BRANCH from $BANTAM_REPO_URL..."
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rm -rf /tmp/bantam-cpp
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git clone --depth 1 --branch "$BANTAM_BRANCH" "$BANTAM_REPO_URL" /tmp/bantam-cpp
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cd /tmp/bantam-cpp
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echo " Commit: $(git rev-parse --short HEAD) ($(git log -1 --format=%s))"
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echo "[3/4] Cross-compiling Bantam AI agent for armv7..."
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mkdir -p \
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/bananarchy/prebuilt/bantam \
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/bananarchy/overlay/rootfs/usr/bin \
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/bananarchy/overlay/rootfs/usr/local/bin
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armv7-alpine-linux-musleabihf-g++ \
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-std=c++20 -Wall -Wextra -Wpedantic -O2 \
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-D_POSIX_C_SOURCE=200809L -D_DEFAULT_SOURCE \
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-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_XOPEN_SOURCE=700 \
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--sysroot=/tmp/armv7-sysroot \
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-I. \
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-I/tmp/armv7-sysroot/usr/include \
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main.cpp config.cpp util.cpp json.cpp llm.cpp tools.cpp session.cpp render.cpp editor.cpp \
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-L/tmp/armv7-sysroot/usr/lib \
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-lcurl -lreadline -lncursesw \
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-o /bananarchy/prebuilt/bantam/bantam
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armv7-alpine-linux-musleabihf-strip --strip-unneeded /bananarchy/prebuilt/bantam/bantam
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chmod 755 /bananarchy/prebuilt/bantam/bantam
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echo "[4/4] Installing Bantam into prebuilt/, overlay/rootfs/, and target rootfs..."
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cp -a /bananarchy/prebuilt/bantam/bantam /bananarchy/overlay/rootfs/usr/bin/bantam
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cp -a /bananarchy/prebuilt/bantam/bantam /bananarchy/overlay/rootfs/usr/local/bin/bantam
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if [ -d /target-rootfs/usr/bin ]; then
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cp -a /bananarchy/prebuilt/bantam/bantam /target-rootfs/usr/bin/bantam
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cp -a /bananarchy/prebuilt/bantam/bantam /target-rootfs/usr/local/bin/bantam
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fi
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# Ensure no default .bantam.cfg is included anywhere
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rm -f \
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/bananarchy/overlay/rootfs/home/user/.bantam.cfg \
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/bananarchy/overlay/rootfs/etc/skel/.bantam.cfg \
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/bananarchy/overlay/rootfs/root/.bantam.cfg \
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/target-rootfs/home/user/.bantam.cfg \
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/target-rootfs/etc/skel/.bantam.cfg \
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/target-rootfs/root/.bantam.cfg
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chown "$HOST_UID:$HOST_GID" /target-rootfs/usr/bin/bantam /target-rootfs/usr/local/bin/bantam 2>/dev/null || true
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chown -R "$HOST_UID:$HOST_GID" /bananarchy/prebuilt/bantam /bananarchy/overlay/rootfs/usr
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ls -lh /bananarchy/prebuilt/bantam/bantam
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'
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