docs.sh 5.76 KB
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#!/bin/bash
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set -e
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function deploy {
  local total_tries="$1"
  local remaining_tries=$(($total_tries - 1))
  shift
  while [[ "$remaining_tries" > 0 ]]; do
    (cd "$FLUTTER_ROOT/dev/docs" && firebase deploy --token "$FIREBASE_TOKEN" --project "$@") && break
    remaining_tries=$(($remaining_tries - 1))
    echo "Error: Unable to deploy documentation to Firebase. Retrying in five seconds... ($remaining_tries tries left)"
    sleep 5
  done

  [[ "$remaining_tries" == 0 ]] && {
    echo "Command still failed after $total_tries tries: '$@'"
    return 1
  }
  return 0
}

function script_location() {
  local script_location="${BASH_SOURCE[0]}"
  # Resolve symlinks
  while [[ -h "$script_location" ]]; do
    DIR="$(cd -P "$( dirname "$script_location")" >/dev/null && pwd)"
    script_location="$(readlink "$script_location")"
    [[ "$script_location" != /* ]] && script_location="$DIR/$script_location"
  done
  echo "$(cd -P "$(dirname "$script_location")" >/dev/null && pwd)"
}

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# Zip up the docs so people can download them for offline usage.
function create_offline_zip() {
  # Must be run from "$FLUTTER_ROOT/dev/docs"
  echo "Zipping Flutter offline docs archive."
  rm -rf flutter.docs.zip doc/offline
  (cd ./doc; zip -r -9 -q ../flutter.docs.zip .)
}

# Generate the docset for Flutter docs for use with Dash, Zeal, and Velocity.
function create_docset() {
  # Must be run from "$FLUTTER_ROOT/dev/docs"
  # Must have dashing installed: go get -u github.com/technosophos/dashing
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  # Dashing produces a LOT of log output (~30MB), so we redirect it, and just
  # show the end of it if there was a problem.
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  echo "Building Flutter docset."
  rm -rf flutter.docset
  (dashing build --source ./doc --config ./dashing.json > /tmp/dashing.log 2>&1 || (tail -100 /tmp/dashing.log; false)) && \
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  cp ./doc/flutter/static-assets/favicon.png ./flutter.docset/icon.png && \
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  "$DART" ./dashing_postprocess.dart && \
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  tar cf flutter.docset.tar.gz --use-compress-program="gzip --best" flutter.docset
}

# Move the offline archives into place, after all the processing of the doc
# directory is done. This avoids the tools recursively processing the archives
# as part of their process.
function move_offline_into_place() {
  # Must be run from "$FLUTTER_ROOT/dev/docs"
  echo "Moving offline data into place."
  mkdir -p doc/offline
  mv flutter.docs.zip doc/offline/flutter.docs.zip
  du -sh doc/offline/flutter.docs.zip
  if [[ "$CIRRUS_BRANCH" == "stable" ]]; then
    echo -e "<entry>\n  <version>${FLUTTER_VERSION}</version>\n  <url>https://docs.flutter.io/offline/flutter.docset.tar.gz</url>\n</entry>" > doc/offline/flutter.xml
  else
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    echo -e "<entry>\n  <version>${FLUTTER_VERSION}</version>\n  <url>https://master-docs.flutter.io/offline/flutter.docset.tar.gz</url>\n</entry>" > doc/offline/flutter.xml
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  fi
  mv flutter.docset.tar.gz doc/offline/flutter.docset.tar.gz
  du -sh doc/offline/flutter.docset.tar.gz
}

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# So that users can run this script from anywhere and it will work as expected.
SCRIPT_LOCATION="$(script_location)"
# Sets the Flutter root to be "$(script_location)/../..": This script assumes
# that it resides two directory levels down from the root, so if that changes,
# then this line will need to as well.
FLUTTER_ROOT="$(dirname "$(dirname "$SCRIPT_LOCATION")")"

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echo "Running docs.sh"
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if [[ ! -d "$FLUTTER_ROOT" || ! -f "$FLUTTER_ROOT/bin/flutter" ]]; then
  echo "Unable to locate the Flutter installation (using FLUTTER_ROOT: $FLUTTER_ROOT)"
  exit 1
fi
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FLUTTER_BIN="$FLUTTER_ROOT/bin"
DART_BIN="$FLUTTER_ROOT/bin/cache/dart-sdk/bin"
FLUTTER="$FLUTTER_BIN/flutter"
DART="$DART_BIN/dart"
PUB="$DART_BIN/pub"
export PATH="$FLUTTER_BIN:$DART_BIN:$PATH"
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# Make sure dart is installed by invoking flutter to download it.
"$FLUTTER" --version
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FLUTTER_VERSION=$(cat "$FLUTTER_ROOT/version")
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# If the pub cache directory exists in the root, then use that.
FLUTTER_PUB_CACHE="$FLUTTER_ROOT/.pub-cache"
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if [[ -d "$FLUTTER_PUB_CACHE" ]]; then
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  # This has to be exported, because pub interprets setting it to the empty
  # string in the same way as setting it to ".".
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  export PUB_CACHE="${PUB_CACHE:-"$FLUTTER_PUB_CACHE"}"
fi

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# Install and activate dartdoc.
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"$PUB" global activate dartdoc 0.28.1+2
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# This script generates a unified doc set, and creates
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# a custom index.html, placing everything into dev/docs/doc.
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(cd "$FLUTTER_ROOT/dev/tools" && "$FLUTTER" packages get)
(cd "$FLUTTER_ROOT/dev/tools" && "$PUB" get)
(cd "$FLUTTER_ROOT" && "$DART" "$FLUTTER_ROOT/dev/tools/dartdoc.dart")
(cd "$FLUTTER_ROOT" && "$DART" "$FLUTTER_ROOT/dev/tools/java_and_objc_doc.dart")
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# Create offline doc archives.
(cd "$FLUTTER_ROOT/dev/docs"; create_offline_zip)
(cd "$FLUTTER_ROOT/dev/docs"; create_docset)
(cd "$FLUTTER_ROOT/dev/docs"; move_offline_into_place)

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# Ensure google webmaster tools can verify our site.
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cp "$FLUTTER_ROOT/dev/docs/google2ed1af765c529f57.html" "$FLUTTER_ROOT/dev/docs/doc"
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# Upload new API docs when running on Cirrus
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if [[ -n "$CIRRUS_CI" && -z "$CIRRUS_PR" ]]; then
  echo "This is not a pull request; considering whether to upload docs... (branch=$CIRRUS_BRANCH)"
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  if [[ "$CIRRUS_BRANCH" == "master" ]]; then
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    echo "Updating $CIRRUS_BRANCH docs: https://master-docs.flutter.io/"
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    # Disable search indexing on the master staging site so searches get only
    # the stable site.
    echo -e "User-agent: *\nDisallow: /" > "$FLUTTER_ROOT/dev/docs/doc/robots.txt"
    export FIREBASE_TOKEN="$FIREBASE_MASTER_TOKEN"
    deploy 5 master-docs-flutter-io
  fi
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  if [[ "$CIRRUS_BRANCH" == "stable" ]]; then
    # Enable search indexing on the master staging site so searches get only
    # the stable site.
    echo "Updating $CIRRUS_BRANCH docs: https://docs.flutter.io/"
    echo -e "# All robots welcome!" > "$FLUTTER_ROOT/dev/docs/doc/robots.txt"
    export FIREBASE_TOKEN="$FIREBASE_PUBLIC_TOKEN"
    deploy 5 docs-flutter-io
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  fi
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fi
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