Prepare job build context

deploy.sh

@@ -3,6 +3,10 @@
 
 set -e
 
+if [ -z "${BASH_VERSION:-}" ]; then
+    exec /bin/bash "$0" "$@"
+fi
+
 IMAGE_NAME_L1="gpue/foundationpose-base-l1"
 IMAGE_NAME_L2="gpue/foundationpose-base-l2"
 TAG="latest"
@@ -42,6 +46,48 @@ if ! "${PY_BIN}" -c "import huggingface_hub" >/dev/null 2>&1; then
     "${PY_BIN}" -m pip install --quiet huggingface_hub
 fi
 
+# Hash helper for build gating
+hash_files() {
+    "${PY_BIN}" - <<'PY' "$@"
+import hashlib
+import sys
+from pathlib import Path
+
+paths = [Path(p) for p in sys.argv[1:]]
+hasher = hashlib.sha256()
+for path in paths:
+    hasher.update(path.as_posix().encode("utf-8"))
+    hasher.update(b"\\0")
+    hasher.update(path.read_bytes())
+    hasher.update(b"\\0")
+print(hasher.hexdigest())
+PY
+}
+
+mkdir -p .deploy
+
+L1_INPUTS=(Dockerfile.base)
+L2_INPUTS=(Dockerfile.base)
+
+L1_HASH=$(hash_files "${L1_INPUTS[@]}")
+L2_HASH=$(hash_files "${L2_INPUTS[@]}")
+
+LAST_L1_HASH_FILE=".deploy/last_l1.sha"
+LAST_L2_HASH_FILE=".deploy/last_l2.sha"
+
+SKIP_L1=0
+SKIP_L2=0
+
+if [ -f "${LAST_L1_HASH_FILE}" ] && [ "$(cat "${LAST_L1_HASH_FILE}")" = "${L1_HASH}" ]; then
+    SKIP_L1=1
+    echo "L1 inputs unchanged; skipping L1 image job."
+fi
+
+if [ -f "${LAST_L2_HASH_FILE}" ] && [ "$(cat "${LAST_L2_HASH_FILE}")" = "${L2_HASH}" ]; then
+    SKIP_L2=1
+    echo "L2 inputs unchanged; skipping L2 image job."
+fi
+
 # Initialize git repo if needed (for job context)
 if [ ! -d .git ]; then
     echo "Initializing git repository..."
@@ -59,13 +105,17 @@ if [[ -n $(git status -s) ]]; then
     echo "✓ Job context committed"
 fi
 
-# Push a temporary ref for the job to build from
-JOB_REF="job-build-$(date +%Y%m%d-%H%M%S)"
-echo "Pushing job ref: ${JOB_REF}"
-git push "https://huggingface.co/spaces/${HF_SPACE}" "HEAD:${JOB_REF}" --force
-echo "✓ Job ref pushed"
-echo ""
+JOB_REF=""
+if [ "${SKIP_L1}" -eq 0 ] || [ "${SKIP_L2}" -eq 0 ]; then
+    # Push a temporary ref for the job to build from
+    JOB_REF="job-build-$(date +%Y%m%d-%H%M%S)"
+    echo "Pushing job ref: ${JOB_REF}"
+    git push "https://huggingface.co/spaces/${HF_SPACE}" "HEAD:${JOB_REF}" --force
+    echo "✓ Job ref pushed"
+    echo ""
+fi
 
+if [ "${SKIP_L1}" -eq 0 ]; then
 echo "Stage 1: Building L1 base image via HF Job"
 echo "Platform: ${PLATFORM}"
 echo "Image: ${IMAGE_NAME_L1}:${TAG}"
@@ -135,7 +185,8 @@ if [ -n "${JOB_ID}" ] && [ -x "${HF_BIN}" ]; then
         echo "  Job stage: ${JOB_STAGE}"
         case "${JOB_STAGE}" in
             SUCCESS|SUCCEEDED|COMPLETED|DONE)
-                echo "✓ Image build job completed"
+                echo "✓ L1 image build job completed"
+                echo "${L1_HASH}" > "${LAST_L1_HASH_FILE}"
                 break
                 ;;
             FAILED|ERROR|CANCELED|CANCELLED)
@@ -148,8 +199,10 @@ if [ -n "${JOB_ID}" ] && [ -x "${HF_BIN}" ]; then
         esac
     done
 fi
+fi
 
 echo ""
+if [ "${SKIP_L2}" -eq 0 ]; then
 echo "Stage 2: Building L2 base image via HF Job"
 echo ""
 
@@ -218,6 +271,7 @@ if [ -n "${JOB_ID_L2}" ] && [ -x "${HF_BIN}" ]; then
         case "${JOB_STAGE}" in
             SUCCESS|SUCCEEDED|COMPLETED|DONE)
                 echo "✓ L2 image build job completed"
+                echo "${L2_HASH}" > "${LAST_L2_HASH_FILE}"
                 break
                 ;;
             FAILED|ERROR|CANCELED|CANCELLED)
@@ -230,6 +284,7 @@ if [ -n "${JOB_ID_L2}" ] && [ -x "${HF_BIN}" ]; then
         esac
     done
 fi
+fi
 
 echo ""
 echo "Stage 3: Deploying to HuggingFace Space"