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2250d3988b
`update_engine_version.{ps1|sh}` needs to operate on a foreign
repository.
When flutter is run in a git-hook, these environment variables will
override our git calls location and corrupt the install.
fixes: #165390
82 lines
3.0 KiB
Bash
Executable File
82 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2014 The Flutter Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Based on the current repository state, writes the following two files to disk:
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#
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# bin/cache/engine.stamp <-- SHA of the commit that engine artifacts were built
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# bin/cache/engine.realm <-- optional; whether the SHA is from presubmit builds or staging (bringup: true).
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# ---------------------------------- NOTE ---------------------------------- #
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#
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# Please keep the logic in this file consistent with the logic in the
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# `update_engine_version.ps1` script in the same directory to ensure that Flutter
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# continues to work across all platforms!
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#
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# https://github.com/flutter/flutter/blob/main/docs/tool/Engine-artifacts.md.
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#
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# Want to test this script?
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# $ cd dev/tools
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# $ dart test test/update_engine_version_test.dart
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#
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# -------------------------------------------------------------------------- #
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set -e
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# When called from a submodule hook; these will override `git -C dir`
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unset GIT_DIR
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unset GIT_INDEX_FILE
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unset GIT_WORK_TREE
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FLUTTER_ROOT="$(dirname "$(dirname "$(dirname "${BASH_SOURCE[0]}")")")"
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# Generate a bin/cache directory, which won't initially exist for a fresh checkout.
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mkdir -p "$FLUTTER_ROOT/bin/cache"
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# Check if FLUTTER_PREBUILT_ENGINE_VERSION is set
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#
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# This is intended for systems where we intentionally want to (ephemerally) use
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# a specific engine artifacts version (which includes the Flutter engine and
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# the Dart SDK), such as on CI.
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#
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# If set, it takes precedence over any other source of engine version.
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if [ -n "${FLUTTER_PREBUILT_ENGINE_VERSION}" ]; then
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ENGINE_VERSION="${FLUTTER_PREBUILT_ENGINE_VERSION}"
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# Check if bin/internal/engine.version exists and is a tracked file in git.
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#
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# This is intended for a user-shipped stable or beta release, where the release
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# has a specific (pinned) engine artifacts version.
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#
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# If set, it takes precedence over the git hash.
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elif [ -n "$(git -C "$FLUTTER_ROOT" ls-files bin/internal/engine.version)" ]; then
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ENGINE_VERSION="$(cat "$FLUTTER_ROOT/bin/internal/engine.version")"
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# Fallback to using git to triangulate which upstream/master (or origin/master)
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# the current branch is forked from, which would be the last version of the
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# engine artifacts built from CI.
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else
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set +e
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# We fallback to origin/master if upstream is not detected.
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git -C "$FLUTTER_ROOT" remote get-url upstream >/dev/null 2>&1
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exit_code=$?
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set -e
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if [[ $exit_code -eq 0 ]]; then
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ENGINE_VERSION=$(git -C "$FLUTTER_ROOT" merge-base HEAD upstream/master)
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else
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ENGINE_VERSION=$(git -C "$FLUTTER_ROOT" merge-base HEAD origin/master)
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fi
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fi
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# Write the engine version out so downstream tools know what to look for.
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echo $ENGINE_VERSION >"$FLUTTER_ROOT/bin/cache/engine.stamp"
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# The realm on CI is passed in.
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if [ -n "${FLUTTER_REALM}" ]; then
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echo $FLUTTER_REALM >"$FLUTTER_ROOT/bin/cache/engine.realm"
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else
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echo "" >"$FLUTTER_ROOT/bin/cache/engine.realm"
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fi
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