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1#requires -Version 6.02# Copyright (c) Microsoft Corporation.3# Licensed under the MIT License.4 5class CommitNode {6    [string] $Hash7    [string[]] $Parents8    [string] $AuthorName9    [string] $AuthorGitHubLogin10    [string] $AuthorEmail11    [string] $Subject12    [string] $Body13    [string] $PullRequest14    [string] $ChangeLogMessage15    [string] $ThankYouMessage16    [bool] $IsBreakingChange17 18    CommitNode($hash, $parents, $name, $email, $subject, $body) {19        $this.Hash = $hash20        $this.Parents = $parents21        $this.AuthorName = $name22        $this.AuthorEmail = $email23        $this.Subject = $subject24        $this.Body = $body25        $this.IsBreakingChange = $body -match "\[breaking change\]"26 27        if ($subject -match "\(#(\d+)\)$") {28            $this.PullRequest = $Matches[1]29        }30    }31}32 33# These powershell team members don't use 'microsoft.com' for Github email or choose to not show their emails.34# We have their names in this array so that we don't need to query GitHub to find out if they are powershell team members.35$Script:powershell_team = @(36    "Travis Plunk"37    "dependabot-preview[bot]"38    "dependabot[bot]"39    "github-actions[bot]"40    "Copilot"41    "Anam Navied"42    "Andrew Schwartzmeyer"43    "Jason Helmick"44    "Patrick Meinecke"45    "Steven Bucher"46    "PowerShell Team Bot"47    "Justin Chung"48)49 50# The powershell team members GitHub logins. We use them to decide if the original author of a backport PR is from the team.51$script:psteam_logins = @(52    'andyleejordan'53    'TravisEz13'54    'daxian-dbw'55    'adityapatwardhan'56    'SteveL-MSFT'57    'dependabot[bot]'58    'pwshBot'59    'jshigetomi'60    'SeeminglyScience'61    'anamnavi'62    'sdwheeler'63    'Copilot'64    'copilot-swe-agent'65    'app/copilot-swe-agent'66    'StevenBucher98'67    'alerickson'68    'tgauth'69)70 71# They are very active contributors, so we keep their email-login mappings here to save a few queries to Github.72$Script:community_login_map = @{73    "darpa@yandex.ru" = "iSazonov"74    "c.bergmeister@gmail.com" = "bergmeister"75    "github@markekraus.com" = "markekraus"76    "info@powercode-consulting.se" = "powercode"77}78 79##############################80#.SYNOPSIS81#In the release workflow, the release branch will be merged back to master after the release is done,82#and a merge commit will be created as the child of the release tag commit.83#This cmdlet takes a release tag or the corresponding commit hash, find its child merge commit, and84#return its metadata in this format: <merge-commit-hash>|<parent-commit-hashes>85#86#.PARAMETER LastReleaseTag87#The last release tag88#89#.PARAMETER CommitHash90#The commit hash of the last release tag91#92#.OUTPUTS93#Return the metadata of the child merge commit, in this format: <merge-commit-hash>|<parent-commit-hashes>94##############################95function Get-ChildMergeCommit96{97    [CmdletBinding(DefaultParameterSetName="TagName")]98    param(99        [Parameter(Mandatory, ParameterSetName="TagName")]100        [string]$LastReleaseTag,101 102        [Parameter(Mandatory, ParameterSetName="CommitHash")]103        [string]$CommitHash104    )105 106    $tag_hash = $CommitHash107    if ($PSCmdlet.ParameterSetName -eq "TagName") { $tag_hash = git rev-parse "$LastReleaseTag^0" }108 109    ## Get the merge commits that are reachable from 'HEAD' but not from the release tag110    $merge_commits_not_in_release_branch = git --no-pager log --merges "$tag_hash..HEAD" --format='%H||%P'111    ## Find the child merge commit, whose parent-commit-hashes contains the release tag hash112    $child_merge_commit = $merge_commits_not_in_release_branch | Select-String -SimpleMatch $tag_hash113    return $child_merge_commit.Line114}115 116##############################117#.SYNOPSIS118#Create a CommitNode instance to represent a commit.119#120#.PARAMETER CommitMetadata121#The commit metadata. It's in this format:122#<commit-hash>|<parent-hashes>|<author-name>|<author-email>|<commit-subject>123#124#.PARAMETER CommitMetadata125#The commit metadata, in this format:126#<commit-hash>|<parent-hashes>|<author-name>|<author-email>|<commit-subject>127#128#.OUTPUTS129#Return the 'CommitNode' object130##############################131function New-CommitNode132{133    param(134        [Parameter(ValueFromPipeline)]135        [ValidatePattern("^.+\|.+\|.+\|.+\|.+$")]136        [string]$CommitMetadata137    )138 139    Process {140        $hash, $parents, $name, $email, $subject = $CommitMetadata.Split("||")141        $body = (git --no-pager show $hash -s --format=%b) -join "`n"142        return [CommitNode]::new($hash, $parents, $name, $email, $subject, $body)143    }144}145 146##############################147#.SYNOPSIS148#Generate the draft change log.149#150#.PARAMETER LastReleaseTag151#The last release tag152#153#.PARAMETER HasCherryPick154#Indicate whether there are any commits in the last release branch that were cherry-picked from the master branch155#156#.PARAMETER Token157#The authentication token to use for retrieving the GitHub user log-in names for external contributors158#159#.OUTPUTS160#The generated change log draft.161##############################162function Get-ChangeLog163{164    param(165        [Parameter(Mandatory = $true)]166        [string]$LastReleaseTag,167 168        [Parameter(Mandatory = $true)]169        [string]$ThisReleaseTag,170 171        [Parameter(Mandatory = $false)]172        [string]$Token,173 174        [Parameter()]175        [switch]$HasCherryPick176    )177 178    if(-not $Token) {179        $Token = Get-GHDefaultAuthToken180        if(-not $Token) {181            throw "No GitHub Auth Token provided"182        }183    }184 185    $tag_hash = git rev-parse "$LastReleaseTag^0"186    $format = '%H||%P||%aN||%aE||%s'187    $header = @{"Authorization"="token $Token"}188 189    # Find the merge commit that merged the release branch to master.190    $child_merge_commit = Get-ChildMergeCommit -CommitHash $tag_hash191    if($child_merge_commit)192    {193        $commit_hash, $parent_hashes = $child_merge_commit.Split("||")194    }195    # Find the other parent of the merge commit, which represents the original head of master right before merging.196    $other_parent_hash = ($parent_hashes -replace $tag_hash).Trim()197 198    if ($HasCherryPick) {199        ## Sometimes we need to cherry-pick some commits from the master branch to the release branch during the release,200        ## and eventually merge the release branch back to the master branch. This will result in different commit nodes201        ## in master branch that actually represent same set of changes.202        ##203        ## In this case, we cannot simply use the revision range "$tag_hash..HEAD" because it will include the original204        ## commits in the master branch that were cherry-picked to the release branch -- they are reachable from 'HEAD'205        ## but not reachable from the last release tag. Instead, we need to exclude the commits that were cherry-picked,206        ## and only include the commits that are not in the last release into the change log.207 208        # Find the commits that were only in the original master, excluding those that were cherry-picked to release branch.209        $new_commits_from_other_parent = git --no-pager log --first-parent --cherry-pick --right-only "$tag_hash...$other_parent_hash" --format=$format | New-CommitNode210        # Find the commits that were only in the release branch, excluding those that were cherry-picked from master branch.211        $new_commits_from_last_release = git --no-pager log --first-parent --cherry-pick --left-only "$tag_hash...$other_parent_hash" --format=$format | New-CommitNode212        # Find the commits that are actually duplicate but having different patch-ids due to resolving conflicts during the cherry-pick.213        $duplicate_commits = $null214        if($new_commits_from_last_release -and $new_commits_from_other_parent)215        {216            $duplicate_commits = Compare-Object $new_commits_from_last_release $new_commits_from_other_parent -Property PullRequest -ExcludeDifferent -IncludeEqual -PassThru217        }218        if ($duplicate_commits) {219            $duplicate_pr_numbers = @($duplicate_commits | ForEach-Object -MemberName PullRequest)220            $new_commits_from_other_parent = $new_commits_from_other_parent | Where-Object PullRequest -NotIn $duplicate_pr_numbers221        }222 223        # Find the commits that were made after the merge commit.224        $new_commits_after_merge_commit = @(git --no-pager log --first-parent "$commit_hash..HEAD" --format=$format | New-CommitNode)225        $new_commits = $new_commits_after_merge_commit + $new_commits_from_other_parent226    } else {227        ## No cherry-pick was involved in the last release branch.228        ## Using a ref rang like "$tag_hash..HEAD" with 'git log' means getting the commits that are reachable from 'HEAD' but not reachable from the last release tag.229 230        ## We use '--first-parent' for 'git log'. It means for any merge node, only follow the parent node on the master branch side.231        ## In case we merge a branch to master for a PR, only the merge node will show up in this way, the individual commits from that branch will be ignored.232        ## This is what we want because the merge commit itself already represents the PR.233 234        ## First, we want to get all new commits merged during the last release235        $new_commits_during_last_release = @(git --no-pager log --first-parent "$tag_hash..$other_parent_hash" --format=$format | New-CommitNode)236        ## Then, we want to get all new commits merged after the last release237        $new_commits_after_last_release  = @(git --no-pager log --first-parent "$commit_hash..HEAD" --format=$format | New-CommitNode)238        ## Last, we get the full list of new commits239        $new_commits = $new_commits_during_last_release + $new_commits_after_last_release240    }241 242    # Array of unlabled PRs.243    $unlabeledPRs = @()244 245    # Array of PRs with multiple labels. The label "CL-BreakingChange" is allowed with some other "CL-*" label.246    $multipleLabelsPRs = @()247 248    # Array of PRs tagged with 'CL-BreakingChange' label.249    $clBreakingChange = @()250 251    # Array of PRs tagged with 'CL-BuildPackaging' label.252    $clBuildPackage = @()253 254    # Array of PRs tagged with 'CL-CodeCleanup' label.255    $clCodeCleanup = @()256 257    # Array of PRs tagged with 'CL-Docs' label.258    $clDocs = @()259 260    # Array of PRs tagged with 'CL-Engine' label.261    $clEngine = @()262 263    # Array of PRs with general cmdlet changes.264    $clGeneral = @()265 266    # Array of PRs tagged with 'CL-Performance' label.267    $clPerformance = @()268 269    # Array of PRs tagged with 'CL-Test' label.270    $clTest = @()271 272    # Array of PRs tagged with 'CL-Tools' label.273    $clTools = @()274 275    # Array of PRs tagged with 'CL-Untagged' label.276    $clUntagged = @()277 278    # Array of PRs tagged with 'CL-Experimental' label.279    $clExperimental = @()280 281    foreach ($commit in $new_commits) {282        $commitSubject = $commit.Subject283        $prNumber = $commit.PullRequest284        Write-Verbose "subject: $commitSubject"285        Write-Verbose "authorname: $($commit.AuthorName)"286 287        try {288            $pr = Invoke-RestMethod `289                -Uri "https://api.github.com/repos/PowerShell/PowerShell/pulls/$prNumber" `290                -Headers $header `291                -ErrorAction Stop `292                -Verbose:$false ## Always disable verbose to avoid noise when we debug this function.293        } catch {294            ## A commit may not have corresponding GitHub PRs. In that case, we will get status code 404 (Not Found).295            ## Otherwise, let the error bubble up.296            if ($_.Exception.Response.StatusCode -ne 404) {297                throw298            }299        }300 301        if ($commitSubject -match '^\[release/v\d\.\d\] ') {302            ## The commit was from a backport PR. We need to get the real author in this case.303            if (-not $pr) {304                throw "The commit is from a backport PR (#$prNumber), but the PR cannot be found.`nPR Title: $commitSubject"305            }306 307            $userPattern = 'Triggered by @.+ on behalf of @(.+)'308            if ($pr.body -match $userPattern) {309                $commit.AuthorGitHubLogin = ($Matches.1).Trim()310                Write-Verbose "backport PR. real author login: $($commit.AuthorGitHubLogin)"311            } else {312                throw "The commit is from a backport PR (#$prNumber), but the PR description failed to match the pattern '$userPattern'. Was the template for backport PRs changed?`nPR Title: $commitSubject"313            }314        }315 316        if ($commit.AuthorGitHubLogin) {317            if ($script:psteam_logins -contains $commit.AuthorGitHubLogin) {318                $commit.ChangeLogMessage = "- {0}" -f (Get-ChangeLogMessage $commitSubject)319            } else {320                $commit.ChangeLogMessage = ("- {0} (Thanks @{1}!)" -f (Get-ChangeLogMessage $commitSubject), $commit.AuthorGitHubLogin)321                $commit.ThankYouMessage = ("@{0}" -f ($commit.AuthorGitHubLogin))322            }323        } elseif ($commit.AuthorEmail.EndsWith("@microsoft.com") -or $powershell_team -contains $commit.AuthorName) {324            $commit.ChangeLogMessage = "- {0}" -f (Get-ChangeLogMessage $commitSubject)325        } else {326            if ($community_login_map.ContainsKey($commit.AuthorEmail)) {327                $commit.AuthorGitHubLogin = $community_login_map[$commit.AuthorEmail]328            } else {329                try{330                    ## Always disable verbose to avoid noise when we debug this function.331                    $response = Invoke-RestMethod `332                        -Uri "https://api.github.com/repos/PowerShell/PowerShell/commits/$($commit.Hash)" `333                        -Headers $header `334                        -ErrorAction Stop `335                        -Verbose:$false336                } catch {337                    ## A commit could be available in ADO only. In that case, we will get status code 422 (UnprocessableEntity).338                    ## Otherwise, let the error bubble up.339                    if ($_.Exception.Response.StatusCode -ne 422) {340                        throw341                    }342                }343 344                if($response)345                {346                    $commit.AuthorGitHubLogin = $response.author.login347                    $community_login_map[$commit.AuthorEmail] = $commit.AuthorGitHubLogin348                }349            }350 351            $commit.ChangeLogMessage = ("- {0} (Thanks @{1}!)" -f (Get-ChangeLogMessage $commitSubject), $commit.AuthorGitHubLogin)352            $commit.ThankYouMessage = ("@{0}" -f ($commit.AuthorGitHubLogin))353        }354 355        if ($commit.IsBreakingChange) {356            $commit.ChangeLogMessage = "{0} [Breaking Change]" -f $commit.ChangeLogMessage357        }358 359        ## Get the labels for the PR360        if($pr)361        {362            $clLabel = $pr.labels | Where-Object { $_.Name -match "^CL-"}363        }364        else {365            Write-Warning -Message "Tagging $($commit.Hash) by $($commit.AuthorName), as CL-BuildPackaging as it does not have a PR."366            $clLabel = [PSCustomObject]@{Name ='CL-BuildPackaging'}367        }368 369        if ($clLabel.count -gt 1 -and $clLabel.Name -notcontains 'CL-BreakingChange') {370            $multipleLabelsPRs += $pr371        }372        elseif ($clLabel.count -eq 0) {373            $unlabeledPRs += $pr374        }375        else {376            switch ($clLabel.Name) {377                "CL-BreakingChange" { $clBreakingChange += $commit }378                "CL-BuildPackaging" { $clBuildPackage += $commit }379                "CL-CodeCleanup" { $clCodeCleanup += $commit }380                "CL-Docs" { $clDocs += $commit }381                "CL-Engine" { $clEngine += $commit }382                "CL-Experimental" { $clExperimental += $commit }383                "CL-General" { $clGeneral += $commit }384                "CL-Performance" { $clPerformance += $commit }385                "CL-Test" { $clTest += $commit }386                "CL-Tools" { $clTools += $commit }387                "CL-Untagged" { $clUntagged += $commit }388                "CL-NotInBuild" { continue }389                Default { throw "unknown tag '$cLabel' for PR: '$prNumber'" }390            }391        }392    }393 394    if ($multipleLabelsPRs.count -gt 0) {395        Write-Error "PRs should not be tagged with multiple CL labels. PRs with multiple labels: $($multipleLabelsPRs.number -join ' ')"396        $shouldThrow = $true397    }398 399    if ($unlabeledPRs.count -gt 0) {400        Write-Error "PRs should have at least one CL label. PRs missing labels: $($unlabeledPRs.number -join ' ')"401        $shouldThrow = $true402    }403 404    if ($shouldThrow) {405        throw "Some PRs are tagged multiple times or have no tags."406    }407 408    # Write output409 410    $version = $ThisReleaseTag.TrimStart('v')411 412    Write-Output "## [${version}] - $(Get-Date -Format yyyy-MM-dd)`n"413 414    PrintChangeLog -clSection $clUntagged -sectionTitle 'UNTAGGED - Please classify'415    PrintChangeLog -clSection $clBreakingChange -sectionTitle 'Breaking Changes'416    PrintChangeLog -clSection $clEngine -sectionTitle 'Engine Updates and Fixes'417    PrintChangeLog -clSection $clExperimental -sectionTitle 'Experimental Features'418    PrintChangeLog -clSection $clPerformance -sectionTitle 'Performance'419    PrintChangeLog -clSection $clGeneral -sectionTitle 'General Cmdlet Updates and Fixes'420    PrintChangeLog -clSection $clCodeCleanup -sectionTitle 'Code Cleanup' -Compress421    PrintChangeLog -clSection $clTools -sectionTitle 'Tools'422    PrintChangeLog -clSection $clTest -sectionTitle 'Tests'423    PrintChangeLog -clSection $clBuildPackage -sectionTitle 'Build and Packaging Improvements' -Compress424    PrintChangeLog -clSection $clDocs -sectionTitle 'Documentation and Help Content'425 426    Write-Output "[${version}]: https://github.com/PowerShell/PowerShell/compare/${LastReleaseTag}...${ThisReleaseTag}`n"427}428 429function Get-GHDefaultAuthToken {430    $IsGHCLIInstalled = $false431    if (Get-command -CommandType Application -Name gh -ErrorAction SilentlyContinue) {432        $IsGHCLIInstalled = $true433    } else {434        Write-Error -Message "GitHub CLI is not installed. Please install it from https://cli.github.com/" -ErrorAction Stop435    }436 437    if ($IsGHCLIInstalled) {438        try {439            $Token = & gh auth token440        } catch {441            Write-Error -Message "Please login to GitHub CLI using 'gh auth login'"442        }443    }444 445    if (-not $Token) {446        $Token = Read-Host -Prompt "Enter GitHub Auth Token"447    }448 449    return $Token450}451 452function PrintChangeLog($clSection, $sectionTitle, [switch] $Compress) {453    if ($clSection.Count -gt 0) {454        "### $sectionTitle`n"455 456        if ($Compress) {457            $items = $clSection.ChangeLogMessage -join "`n"458            $thankYou = "We thank the following contributors!`n`n"459            $thankYou += ($clSection.ThankYouMessage | Select-Object -Unique | Where-Object { if($_) { return $true} return $false}) -join ", "460 461            "<details>`n"462            "<summary>`n"463            $thankYou | ConvertFrom-Markdown | Select-Object -ExpandProperty Html464            "</summary>`n"465            $items | ConvertFrom-Markdown | Select-Object -ExpandProperty Html466            "</details>"467        }468        else {469            $clSection | ForEach-Object -MemberName ChangeLogMessage470        }471        ""472    }473}474 475function Get-ChangeLogMessage476{477    param($OriginalMessage)478 479    switch -regEx ($OriginalMessage)480    {481        '^Merged PR (\d*): ' {482            return $OriginalMessage.replace($Matches.0,'') + " (Internal $($Matches.1))"483        }484        '^Build\(deps\): ' {485            return $OriginalMessage.replace($Matches.0,'')486        }487        '^\[release/v\d\.\d\] ' {488            return $OriginalMessage.replace($Matches.0,'')489        }490        default {491            return $OriginalMessage492        }493    }494}495 496##############################497#.SYNOPSIS498#Gets packages which have newer packages in nuget.org499#500#.PARAMETER Path501#The path to check for csproj files with packagse502#503#.PARAMETER IncludeAll504#Include packages that don't need to be updated505#506#.OUTPUTS507#Objects which represet the csproj package ref, with the current and new version508##############################509function Get-NewOfficalPackage510{511    param(512        [String]513        $Path = (Join-Path -Path $PSScriptRoot -ChildPath '..\src'),514        [Switch]515        $IncludeAll516    )517    # Calculate the filter to find the CSProj files518    $filter = Join-Path -Path $Path -ChildPath '*.csproj'519    $csproj = Get-ChildItem $filter -Recurse -Exclude 'PSGalleryModules.csproj'520 521    $csproj | ForEach-Object{522        $file = $_523 524        # parse the csproj525        [xml] $csprojXml = (Get-Content -Raw -Path $_)526 527        # get the package references528        $packages=$csprojXml.Project.ItemGroup.PackageReference529 530        # check to see if there is a newer package for each refernce531        foreach ($package in $packages)532        {533            # Get the name of the package534            $name = $package.Include535 536            if ($name)537            {538                # Get the current package from nuget539                $versions = Find-Package -Name $name -Source https://nuget.org/api/v2/  -ErrorAction SilentlyContinue -AllVersions |540                    Add-Member -Type ScriptProperty -Name Published -Value { $this.Metadata['published']} -PassThru |541                        Where-Object { Test-IncludePackageVersion -NewVersion $_.Version -Version $package.version}542 543                $revsionRegEx = Get-MatchingMajorMinorRegEx -Version $package.version544                $newPackage = $versions |545                    Sort-Object -Descending |546                        Select-Object -First 1547 548                # Get the newest matching revision549                $newRevision = $versions |550                    Where-Object {$_.Version -match $revsionRegEx } |551                        Sort-Object -Descending |552                            Select-Object -First 1553 554                # If the current package has a different version from the version in the csproj, print the details555                if ($newRevision -and $newRevision.Version.ToString() -ne $package.version -or $newPackage -and $newPackage.Version.ToString() -ne $package.version -or $IncludeAll.IsPresent)556                {557                    if ($newRevision)558                    {559                        $newRevisionString = $newRevision.Version560                    }561                    else562                    {563                        # We don't have a new Revision, report the current version564                        $newRevisionString = $package.Version565                    }566 567                    if ($newPackage)568                    {569                        $newVersionString = $newPackage.Version570                    }571                    else572                    {573                        # We don't have a new Version, report the current version574                        $newVersionString = $package.Version575                    }576 577                    [pscustomobject]@{578                        Csproj = (Split-Path -Path $file -Leaf)579                        PackageName = $name580                        CsProjVersion = $Package.Version581                        NuGetRevision = $newRevisionString582                        NuGetVersion = $newVersionString583                    }584                }585            }586        }587    }588}589 590##############################591#.SYNOPSIS592# Returns True if NewVersion is newer than Version593# Pre release are ignored if the current version is not pre-release594# If the current version is pre-release, this function only determines if the version portion is NewReleaseTag595# The calling function is responsible for sorting prelease version by publish date (as find-package gives them to you)596# and returning the newest.597#598#.PARAMETER Version599# The current Version600#601#.PARAMETER NewVersion602# The potention replacement version603#604#.OUTPUTS605# True if NewVersion should be considere as a replacement606##############################607function Test-IncludePackageVersion608{609    param(610        [string]611        $NewVersion,612        [string]613        $Version614    )615 616    $simpleCompare = $Version -notlike '*-*'617 618    if($simpleCompare -and $NewVersion -like '*-*')619    {620        # We are using a stable and the new version is pre-release621        return $false622    }623    elseif($simpleCompare -and [Version]$NewVersion -ge [Version] $Version)624    {625        # Simple comparison says the new version is newer626        return $true627    }628    elseif($simpleCompare)629    {630        # Simple comparison was done, but it was not newer631        return $false632    }633    elseif($NewVersion -notlike '*-*')634    {635        # Our current version is a pre-release but the new is not636        # make sure the new version is newer than the version part of the current version637        $versionOnly = ($Version -Split '\-')[0]638        if([Version]$NewVersion -ge [Version] $versionOnly)639        {640            return $true641        }642        else643        {644            return $false645        }646    }647    else648    {649        # Not sure, include it650        return $true651    }652}653 654##############################655#.SYNOPSIS656# Get a RegEx based on a version that will match the major and minor657#658#.PARAMETER Version659# The version to match660#661##############################662function Get-MatchingMajorMinorRegEx663{664    param(665        [Parameter(Mandatory)]666        $Version667    )668 669    $parts = $Version -split '\.'670 671    $regEx = "^$($parts[0])\.$($parts[1])\..*"672    return $regEx673}674 675##############################676#.SYNOPSIS677# Update the version number in code678#679#.PARAMETER NewReleaseTag680# The new Release Tag681#682#.PARAMETER NextReleaseTag683# The next Release Tag684#685#.PARAMETER Path686# The path to the root of where you want to update687#688##############################689function Update-PsVersionInCode690{691    param(692        [Parameter(Mandatory)]693        [ValidatePattern("^v\d+\.\d+\.\d+(-\w+(\.\d{1,2})?)?$")]694        [String]695        $NewReleaseTag,696 697        [Parameter(Mandatory)]698        [ValidatePattern("^v\d+\.\d+\.\d+(-\w+(\.\d{1,2})?)?$")]699        [String]700        $NextReleaseTag,701 702        [String]703        $Path = (Join-Path -Path $PSScriptRoot -ChildPath '..')704    )705 706    $metaDataPath = (Join-Path -Path $PSScriptRoot -ChildPath 'metadata.json')707    $metaData = Get-Content -Path $metaDataPath | ConvertFrom-Json708    $currentTag = $metaData.StableReleaseTag709 710    $currentVersion = $currentTag -replace '^v'711    $newVersion = $NewReleaseTag -replace '^v'712    $metaData.NextReleaseTag = $NextReleaseTag713    Set-Content -Path $metaDataPath -Encoding ascii -Force -Value ($metaData | ConvertTo-Json)714 715    Get-ChildItem -Path $Path -Recurse -File |716        Where-Object {$_.Extension -notin '.icns','.svg' -and $_.NAME -ne 'CHANGELOG.md' -and $_.DirectoryName -notmatch '[\\/]docs|demos[\\/]'} |717            Where-Object {$_ | Select-String -SimpleMatch $currentVersion -List} |718                ForEach-Object {719                    $content = Get-Content -Path $_.FullName -Raw -ReadCount 0720                    $newContent = $content.Replace($currentVersion,$newVersion)721                    Set-Content -Path $_.FullName -Encoding ascii -Force -Value $newContent -NoNewline722                }723}724 725 726##############################727#.SYNOPSIS728# Test if the GithubCli is in the path729##############################730function Test-GitHubCli {731    $gitHubCli = Get-Command -Name 'gh' -ErrorAction SilentlyContinue732 733    if ($gitHubCli) {734        return $true735    } else {736        return $false737    }738}739 740##############################741#.SYNOPSIS742# Test if the GithubCli is the required version743##############################744function Test-GitHubCliVersion {745    param(746        [Parameter(Mandatory)]747        [System.Management.Automation.SemanticVersion]748        $RequiredVersion749    )750    [System.Management.Automation.SemanticVersion] $version = gh --version | ForEach-Object {751        if ($_ -match ' (\d+\.\d+\.\d+) ') {752            $matches[1]753        }754    }755 756    if ($version -ge $RequiredVersion) {757        return $true758    } else {759        return $false760    }761}762 763##############################764#.SYNOPSIS765# Gets a report of Backport PRs766#767#.PARAMETER Triage state768# The triage states of the PR.  Consider, Approved or Done769#770#.PARAMETER Version771# The version of PowerShell the backport is targeting.  7.0, 7.2, 7.3, etc772#773#.PARAMETER Web774# A switch to open all the PRs in the browser775#776##############################777function Get-PRBackportReport {778    param(779        [ValidateSet('Consider', 'Approved', 'Done')]780        [String] $TriageState = 'Approved',781        [ValidatePattern('^\d+\.\d+$')]782        [string] $Version,783        [switch] $Web784    )785 786    if (!(Test-GitHubCli)) {787        throw "GitHub CLI is not installed. Please install it from https://cli.github.com/"788    }789 790    $requiredVersion = '2.17'791    if (!(Test-GitHubCliVersion -RequiredVersion $requiredVersion)) {792        throw "Please upgrade the GitHub CLI to version $requiredVersion. Please install it from https://cli.github.com/"793    }794 795    if (!(gh auth status 2>&1  | Select-String 'logged in')){796        throw "Please login to GitHub CLI using 'gh auth login'"797    }798 799    $prs = gh pr list --state merged --label "Backport-$Version.x-$TriageState" --json title,number,mergeCommit,mergedAt |800        ConvertFrom-Json |801        ForEach-Object {802            [PScustomObject]@{803                CommitId = $_.mergeCommit.oid804                Number   = $_.number805                Title    = $_.title806                MergedAt = $_.mergedAt807            }808        } | Sort-Object -Property MergedAt809 810    if ($Web) {811        $prs | ForEach-Object {812            gh pr view $_.Number --web813        }814    } else {815        $prs816    }817}818enum RemoteType {819    GitHub820    AzureRepo821}822 823function Get-UpstreamInfo {824    param(825        [Parameter(Mandatory=$true)]826        [string[]]$Upstream,827 828        [Parameter(Mandatory=$true)]829        [string]$UpstreamRemote830    )831 832    $upstreamName = '(powershell(core)?)(/_git)?/(powershell)'833    $pattern = "^$UpstreamRemote\s*(.*)\:(.*/([-\w.]+)/)?$upstreamName(\.git)?.*fetch"834    Write-Verbose -Verbose "searching for an upstream with regex: '$pattern'"835    $Upstream = $Upstream | Where-Object { $_ -match $pattern }836 837    Write-Verbose -Verbose "found $Upstream"838 839    if (!$Upstream) {840        throw "Please create an upstream remote that points to $upstreamName"841    }842 843    $matches | Format-Table | Out-String -Stream -Width 9999 | Write-Verbose844    $org = $matches[3]845    if ($org -ne 'github.com' -and $matches[1] -ne 'git@github.com') {846        Write-Verbose 'parsing Azure repo remote' -Verbose847        # Azure Repo remote848        $project = $matches[4]849        $repo = $matches[7]850        $upstreamHost = $matches[1]851 852        if ($upstreamHost -eq 'https') {853            $upstreamHost = $org854        }855        # matches everything but `.` ending in a `.`856        # in other word, matching the first part of a hostname.857        # like `www.microsoft.com` it would match `www.` with `www` in a capture group.858        if ($org -match '([^\..]*)\.') {859            $org = $Matches[1]860        }861    } else {862        Write-Verbose 'parsing github remote' -Verbose863        # GitHub Repo remote864        $org = $matches[4]865        $repo = $matches[7]866        $upstreamHost = 'github.com'867        $project = $upstreamHost868    }869 870    $remoteType = [RemoteType]::GitHub871 872    if ($upstreamHost -match '.*azure.com$' -or $upstreamHost -match '.*visualstudio.com$') {873        [RemoteType] $remoteType = [RemoteType]::AzureRepo874    }875 876    $upstreamMatchInfo = @{877        org     = $org878        project = $project879        repo    = $repo880        host    = $upstreamHost881        remoteType = $remoteType882    }883 884    return $upstreamMatchInfo885}886 887# Backports a PR888# requires:889#   * a remote called upstream pointing to powershell/powershell890#   * the github cli installed and authenticated891# Usage:892#     Invoke-PRBackport -PRNumber 1234 -Target release/v7.0.1893# To overwrite a local branch add -Overwrite894# To add an postfix to the branch name use -BranchPostFix <postfix>895function Invoke-PRBackport {896    [cmdletbinding(SupportsShouldProcess, ConfirmImpact = 'High')]897    param(898        [Parameter(Mandatory)]899        [string]900        $PrNumber,901 902        [Parameter(Mandatory)]903        [ValidateScript({$_ -match '^release/v\d+\.\d+(\.\d+)?'})]904        [string]905        $Target,906 907        [switch]908        $Overwrite,909 910        [string]911        $BranchPostFix,912 913        [string]914        $UpstreamRemote = 'upstream'915    )916    function script:Invoke-NativeCommand {917        param(918            [scriptblock] $ScriptBlock919        )920        &$ScriptBlock921        if ($LASTEXITCODE -ne 0) {922            throw "$ScriptBlock fail with $LASTEXITCODE"923        }924    }925    function script:Test-ShouldContinue {926        param (927            $Message928        )929        $continue = $false930        while(!$continue) {931            $value = Read-Host -Prompt ($Message + "`nType 'Yes<enter>' to continue 'No<enter>' to exit")932            switch($value) {933                'yes' {934                    $continue= $true935                }936                'no' {937                    throw "User abort"938                }939            }940        }941    }942    $ErrorActionPreference = 'stop'943 944    $pr = gh pr view $PrNumber --json 'mergeCommit,state,title' | ConvertFrom-Json945 946    $commitId = $pr.mergeCommit.oid947    $state = $pr.state948    $originaltitle = $pr.title949    $backportTitle = "[$Target]$originalTitle"950 951    Write-Verbose -Verbose "commitId: $commitId; state: $state"952    Write-Verbose -Verbose "title:$backportTitle"953 954    if ($state -ne 'MERGED') {955        throw "PR is not merged ($state)"956    }957 958    $upstream = Invoke-NativeCommand { git remote -v }959    $upstreamMatchInfo = Get-UpstreamInfo -Upstream $upstream -UpstreamRemote $UpstreamRemote960    $remoteType = $upstreamMatchInfo.remoteType961 962    Write-Verbose -Verbose "remotetype: $remoteType"963    $upstreamMatchInfo | Format-Table | Out-String -Stream -Width 9999 | Write-Verbose -Verbose964 965    Invoke-NativeCommand { git fetch $UpstreamRemote $Target }966 967    $switch = '-c'968    if ($Overwrite) {969        $switch = '-C'970    }971 972    $branchName = "backport-$PrNumber"973    if ($BranchPostFix) {974        $branchName += "-$BranchPostFix"975    }976 977    if ($PSCmdlet.ShouldProcess("Create branch $branchName from $UpstreamRemote/$Target")) {978        Invoke-NativeCommand { git switch $UpstreamRemote/$Target $switch $branchName }979    }980 981    try {982        $revParseParams = @(983            '--verify'984            "$commitId^{commit}"985        )986        Invoke-NativeCommand { git rev-parse --quiet $revParseParams }987    }988    catch {989        throw "Commit does not exist.  Try fetching the upstream. (git rev-parse $revParseParams)"990    }991 992 993    try {994        Invoke-NativeCommand { git cherry-pick $commitId }995    }996    catch {997        Test-ShouldContinue -Message "Fix any conflicts with the cherry-pick."998    }999 1000    if ($PSCmdlet.ShouldProcess("Create the PR")) {1001        $body = "Backport #$PrNumber"1002        switch($remoteType) {1003            "AzureRepo" {1004                Write-Verbose -Verbose "Pushing branch to $UpstreamRemote"1005                git push --set-upstream $UpstreamRemote HEAD1006                $parameters = @(1007                    'repos'1008                    'pr'1009                    'create'1010                )1011                # Open in the browser1012                $parameters += @(1013                    '--open'1014                )1015                $parameters += @(1016                    '--target-branch'1017                    $Target1018                )1019                $parameters += @(1020                    '--title'1021                    $backportTitle1022                )1023                $parameters += @(1024                    '--description'1025                $body1026                )1027                $parameters += @(1028                    '--squash'1029                    'true'1030                )1031                $parameters += @(1032                    '--auto-complete'1033                    'true'1034                )1035                $parameters += @(1036                    '--delete-source-branch'1037                    'true'1038                )1039                $parameters += @(1040                    '--org'1041                    "https://dev.azure.com/$($upstreamMatchInfo.org)"1042                )1043                $parameters += @(1044                    '--project'1045                    $upstreamMatchInfo.project1046                )1047                $parameters += @(1048                    '--source-branch'1049                    $branchName1050                )1051                $parameters += @(1052                    '--repository'1053                    $upstreamMatchInfo.repo1054                )1055 1056                Write-Verbose -Verbose "az $parameters"1057                $null = Invoke-NativeCommand { az $parameters }1058            }1059            "GitHub" {1060                Write-Verbose -Verbose "Creating PR using gh CLI"1061                gh pr create --base $Target --title $backportTitle --body $body --web1062            }1063            default {1064                throw "unknown remoteType: $remoteType"1065            }1066        }1067    }1068}1069 1070# Backport all approved backports1071# Usage:1072#      Invoke-PRBackportApproved -Version 7.2.121073function Invoke-PRBackportApproved {1074    param(1075        [Parameter(Mandatory)]1076        [semver]1077        $Version1078    )1079 1080    $tagVersion = "$($Version.Major).$($Version.Minor)"1081    $target = "release/$ReleaseTag"1082 1083    Get-PRBackportReport -Version $tagVersion |1084        ForEach-Object {1085            $prNumber = $_.Number1086            Invoke-PRBackport -ErrorAction Stop -PrNumber $prNumber -Target $target1087        }1088}1089 1090Export-ModuleMember -Function Get-ChangeLog, Get-NewOfficalPackage, Update-PsVersionInCode, Get-PRBackportReport, Invoke-PRBackport, Invoke-PRBackportApproved, Get-UpstreamInfo1091