initial commit

builder.sh

@@ -0,0 +1,64 @@
+#!/bin/bash
+set -euxo pipefail
+
+# Usage: ./builder.sh <image-name> <version>
+if [[ $# -lt 2 ]]; then
+    echo "Usage: $0 <image-name> <version>"
+    exit 1
+fi
+
+IMAGE="$1"
+VERSION="$2"
+
+IMAGE_DIR="images/${IMAGE}"
+MANIFEST="${IMAGE_DIR}/manifest.yaml"
+OUTPUT="${IMAGE_DIR}/manifest.ociarchive"
+REF="images/${IMAGE}/${VERSION}"
+
+# --- CHECKS ---
+if [[ ! -d "$IMAGE_DIR" ]]; then
+    echo "Image directory not found: $IMAGE_DIR"
+    exit 1
+fi
+
+if [[ ! -f "$MANIFEST" ]]; then
+    echo "Manifest not found: $MANIFEST"
+    exit 1
+fi
+
+# --- PREPARE OSTREE REPO ---
+mkdir -p repo cache
+if [[ ! -f "repo/config" ]]; then
+    pushd repo >/dev/null
+    ostree init --repo=. --mode=bare-user
+    popd >/dev/null
+fi
+
+ostree --repo=repo config set core.fsync false
+
+# --- VERSIONING ---
+buildid="$(date '+%Y%m%d.0')"
+timestamp="$(date --iso-8601=sec)"
+echo "${buildid}" > .buildid
+
+echo "Composing ${VERSION}.${buildid} ..."
+
+# shared repos
+cp images/shared/*.repo "${IMAGE_DIR}"
+
+# Ensure manifest has correct ref and releasever 
+sed -i '/^ref:/d' "$MANIFEST" 
+sed -i '/^releasever:/d' "$MANIFEST" 
+sed -i "1i releasever: ${VERSION}" "$MANIFEST" 
+sed -i "1i ref: ${REF}" "$MANIFEST"
+# --- COMPOSE IMAGE ---
+ARGS=(
+    "--cachedir=cache"
+    "--initialize"
+    "--max-layers=96"
+)
+
+rpm-ostree compose image \
+    "${ARGS[@]}" \
+    "$MANIFEST" \
+    "$OUTPUT"