Delete several tags from Git repo

DeleteGitTags.ps1

#!/usr/bin/pwsh

Clear-Host

$repository = "<<Git repository path to work on>>"
$releaseName = "<<Name of release>>"
$tagsToKeep = @("<<Tag to keep>>")

Set-Location -Path $repository

# Get latest tags
git fetch origin
$tags = git tag

foreach ($tag in $tags)
{
    # Ignore tags of other releases
    if (!($tag.EndsWith($releaseName))) {
        Write-Host "'$tag' not relevant because does not match '$releaseName'"
        continue
    }

    # Ignore tags that shall be kept
    if ($tagsToKeep -contains $tag) {
        Write-Host "'$tag' will be kept and not deleted"
        continue
    }

    # Delete tag from origin
    Write-Host "Delete '$tag'"
    git push origin --delete $tag
}

git fetch --prune origin "+refs/tags/*:refs/tags/*"

Line 18: if (!($tag.Contains($releaseName))) { should be if (!($tag.EndsWith($releaseName))) { otherwise when deleting Tags for release 2022-B-Gandalf the tags for 2022-B-Gandalf-Hotfix1 are also deleted.

Good catch, thx man!