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#!/bin/bash |
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set -e |
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echo "[PWA] Injecting PWA meta tags into Streamlit's index.html..." |
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STREAMLIT_INDEX=$(python3 -c "import streamlit; import os; print(os.path.join(os.path.dirname(streamlit.__file__), 'static', 'index.html'))") |
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if [ ! -f "$STREAMLIT_INDEX" ]; then |
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echo "[PWA] ERROR: Streamlit index.html not found at: $STREAMLIT_INDEX" |
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exit 1 |
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fi |
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echo "[PWA] Found Streamlit index.html at: $STREAMLIT_INDEX" |
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if grep -q "PWA (Progressive Web App) Meta Tags" "$STREAMLIT_INDEX"; then |
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echo "[PWA] PWA tags already injected, skipping..." |
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exit 0 |
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fi |
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INJECT_FILE="/app/pwa-head-inject.html" |
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if [ ! -f "$INJECT_FILE" ]; then |
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echo "[PWA] ERROR: Injection file not found at: $INJECT_FILE" |
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exit 1 |
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fi |
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cp "$STREAMLIT_INDEX" "${STREAMLIT_INDEX}.backup" |
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awk -v inject_file="$INJECT_FILE" ' |
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/<head>/ { |
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print |
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while ((getline line < inject_file) > 0) { |
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print line |
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} |
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close(inject_file) |
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next |
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} |
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{ print } |
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' "${STREAMLIT_INDEX}.backup" > "$STREAMLIT_INDEX" |
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echo "[PWA] PWA meta tags successfully injected!" |
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echo "[PWA] Backup saved as: ${STREAMLIT_INDEX}.backup" |
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