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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
81 lines
3.2 KiB
PowerShell
81 lines
3.2 KiB
PowerShell
# 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.sh` 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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$ErrorActionPreference = "Stop"
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# When called from a submodule hook; these will override `git -C dir`
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$env:GIT_DIR = $null
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$env:GIT_INDEX_FILE = $null
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$env:GIT_WORK_TREE = $null
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$progName = Split-Path -parent $MyInvocation.MyCommand.Definition
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$flutterRoot = (Get-Item $progName).parent.parent.FullName
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# Generate a bin/cache directory, which won't initially exist for a fresh checkout.
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New-Item -Path "$flutterRoot/bin/cache" -ItemType Directory -Force | Out-Null
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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 (![string]::IsNullOrEmpty($env:FLUTTER_PREBUILT_ENGINE_VERSION)) {
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$engineVersion = $env:FLUTTER_PREBUILT_ENGINE_VERSION
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# Check if bin/internal/engine.version exists and is a tracked file in git.
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#
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# This is intended for a user-shipped stable or beta release, where the release
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# has a specific (pinned) engine artifacts version.
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#
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# If set, it takes precedence over the git hash.
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} elseif (git -C "$flutterRoot" ls-files bin/internal/engine.version) {
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$engineVersion = Get-Content -Path "$flutterRoot/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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$ErrorActionPreference = "Continue"
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git -C "$flutterRoot" remote get-url upstream *> $null
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$exitCode = $?
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$ErrorActionPreference = "Stop"
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if ($exitCode) {
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$engineVersion = (git -C "$flutterRoot" merge-base HEAD upstream/master)
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} else {
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$engineVersion = (git -C "$flutterRoot" merge-base HEAD origin/master)
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}
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}
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# Write the engine version out so downstream tools know what to look for.
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$utf8NoBom = New-Object System.Text.UTF8Encoding($false)
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[System.IO.File]::WriteAllText("$flutterRoot/bin/cache/engine.stamp", $engineVersion, $utf8NoBom)
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# The realm on CI is passed in.
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if ($Env:FLUTTER_REALM) {
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[System.IO.File]::WriteAllText("$flutterRoot/bin/cache/engine.realm", $Env:FLUTTER_REALM, $utf8NoBom)
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} else {
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[System.IO.File]::WriteAllText("$flutterRoot/bin/cache/engine.realm", "", $utf8NoBom)
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}
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