Public/Get-GitTagList.Tools.ps1
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Function Get-GitTagList { <# .SYNOPSIS Gets a normalized list of Git Tags of the current Git Repo If a TagPrefix is provided, only matching tags are retrieved (for multi component repo's) .EXAMPLE Get-GitTagList -TagPrefix plumber -Latest .EXAMPLE Get-GitTagList -TagPrefix '' #> Param ( [string] $TagPrefix , [switch] $LatestTag , [switch] $GitVersionContiniousDeploymentMode # If a version has multiple prelease tags, the most recent one is outputted ) $gittagdata = git for-each-ref --sort=taggerdate --format='%(if)%(*objectname)%(then)%(*objectname)%(else)%(objectname)%(end)##%(refname)##%(taggerdate:iso)' refs/tags If ($TagPrefix -notin $null, '') { $gittagdata = $gittagdata | Where-Object { $_ -match "refs/tags/$TagPrefix-" } } $taglist = @() ForEach ($x in $gittagdata) { $commit, $tag, $date = $x -split '##' $tagvalue = $tag.Replace('refs/tags/', '') If ($date -in $null, '') { $date = git show -s --format=%ci $commit } $tagParts = $tagvalue -Split '-' ForEach ($tagPart in $tagParts) { If ($TagPrefix -notin $null, '' -and $tagPart -eq $TagPrefix) { continue } $tagPart = $tagPart.Replace('v', '') Try { # Tags needs to be a valid SemVerId $SemVerId = [System.Version] $tagpart # Tags needs to have a date $tagDate = [datetime]::ParseExact($date.Substring(0, 19), 'yyyy-MM-dd HH:mm:ss', $null) Try { if ($TagPrefix) { $tag = "$TagPrefix-$SemVerId" $component = $TagPrefix } Else { $tag = "$TagValue" $Component = If ($tagParts.count -gt 1) { $tagParts | Select-Object -First 1 } Else { '' } } $taglist += [pscustomobject]@{ Tag = $Tag Component = $Component Commit = $commit Date = $tagDate SemVerId = $SemVerId Major = $SemVerId.Major Minor = $SemVerId.Minor Build = $SemVerId.Build FullTag = $tagvalue } } Catch { Write-Verbose 'no valid tag date, ignoring' } } Catch { Write-Verbose "$tagpart is not a valid SemVerId, ignoring..." } } } $taglist = $taglist | Sort-Object -Property Component, SemVerId -Descending If ($LatestTag) { Return $taglist | Select-Object -First 1 } If ($GitVersionContiniousDeploymentMode) { $tagsGrouped = ($taglist | Group-Object -Property Tag) ForEach ($group in $tagsGrouped) { Write-Verbose "$($group.Name) has latest commit:" $commit = $Group.Group | Sort-Object -Property Date | Select-Object -first 1 Write-Verbose $Commit Write-Output $Commit } Return } Write-Output $taglist } |