Restore install.sh from Make-It-Animatable

install.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+# Idempotent install script — skips steps already completed on previous runs.
+# Model weights and repo are stored in /data for persistence across restarts.
+
+set -euo pipefail
+
+DATA_ROOT="${DATA_ROOT:-/data}"
+REPO_DIR="${DATA_ROOT}/app"
+SENTINEL="${REPO_DIR}/.install_complete"
+WEIGHTS_DIR="${DATA_ROOT}/models/make-it-animatable"
+
+mkdir -p "${DATA_ROOT}/temp" "${WEIGHTS_DIR}"
+
+# ── 1. Clone repo (once) ──────────────────────────────────────────────────────
+if [ ! -f "$SENTINEL" ]; then
+    echo "==> Cloning Make-It-Animatable..."
+    git lfs install
+    rm -rf "$REPO_DIR"
+    git clone https://github.com/jasongzy/Make-It-Animatable --recursive --single-branch --depth 1 "$REPO_DIR"
+else
+    echo "==> Repo already present, skipping clone."
+fi
+
+# Symlink so the Space entrypoint can find the upstream package as ./app/.
+# `ln -sfn SOURCE EXISTING_DIR` creates EXISTING_DIR/app instead of replacing
+# the directory, so always resolve the destination explicitly.
+if [ -L "app" ]; then
+    ln -sfn "$REPO_DIR" app
+elif [ ! -e "app" ]; then
+    ln -s "$REPO_DIR" app
+fi
+
+# ── 2. FBX2glTF binary (once) ─────────────────────────────────────────────────
+if [ ! -f "${REPO_DIR}/util/FBX2glTF" ]; then
+    echo "==> Downloading FBX2glTF..."
+    wget -q https://github.com/facebookincubator/FBX2glTF/releases/download/v0.9.7/FBX2glTF-linux-x64 \
+         -O "${REPO_DIR}/util/FBX2glTF"
+    chmod +x "${REPO_DIR}/util/FBX2glTF"
+else
+    echo "==> FBX2glTF already present."
+fi
+
+# ── 3. Model weights (once) ───────────────────────────────────────────────────
+if [ -d "${WEIGHTS_DIR}/data" ] && [ "$(ls -A ${WEIGHTS_DIR}/data 2>/dev/null)" ]; then
+    echo "==> Model weights already present, skipping download."
+    rm -rf "${REPO_DIR}/data" "${REPO_DIR}/output"
+    ln -s "${WEIGHTS_DIR}/data"   "${REPO_DIR}/data"
+    ln -s "${WEIGHTS_DIR}/output" "${REPO_DIR}/output"
+else
+    echo "==> Downloading model weights (one-time only)..."
+    TMPDIR="${DATA_ROOT}/temp/hf-weights"
+    rm -rf "$TMPDIR"
+    python3 -c "
+from huggingface_hub import snapshot_download
+snapshot_download('jasongzy/Make-It-Animatable', local_dir='${TMPDIR}',
+                  ignore_patterns=['*.git*', '.gitattributes'])
+print('Download complete.')
+"
+    [ -d "${TMPDIR}/data"   ] && mv "${TMPDIR}/data"   "${WEIGHTS_DIR}/data"
+    [ -d "${TMPDIR}/output" ] && mv "${TMPDIR}/output" "${WEIGHTS_DIR}/output"
+    rm -rf "$TMPDIR"
+    rm -rf "${REPO_DIR}/data" "${REPO_DIR}/output"
+    ln -s "${WEIGHTS_DIR}/data"   "${REPO_DIR}/data"
+    ln -s "${WEIGHTS_DIR}/output" "${REPO_DIR}/output"
+    echo "==> Weights saved to ${WEIGHTS_DIR}"
+fi
+
+# ── 4. Mixamo bones ───────────────────────────────────────────────────────────
+mkdir -p "${REPO_DIR}/data/Mixamo/animation" 2>/dev/null || true
+BONES_SRC="${REPO_DIR}/data/Standard Run.fbx"
+BONES_DST="${REPO_DIR}/data/Mixamo/bones.fbx"
+if [ -f "$BONES_SRC" ] && [ ! -f "$BONES_DST" ]; then
+    cp "$BONES_SRC" "$BONES_DST"
+fi
+test -s "$BONES_DST"
+
+# ── 5. Runtime patches ────────────────────────────────────────────────────────
+python3 patch_runtime.py
+
+# ── 6. Mark complete ──────────────────────────────────────────────────────────
+touch "$SENTINEL"
+echo "==> install.sh done."