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list-latest-tags.ps1
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list-latest-tags.ps1
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<#
.SYNOPSIS
Lists the latests tags in all Git repositories in a folder
.DESCRIPTION
This PowerShell script lists the latest tags in all Git repositories in the specified folder.
.PARAMETER ParentDir
Specifies the path to the parent folder
.EXAMPLE
PS> ./list-latest-tags C:\MyRepos
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$ParentDir = "$PWD")
try {
if (-not(test-path "$ParentDir" -pathType container)) { throw "Can't access directory: $ParentDir" }
$Null = (git --version)
if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
$Folders = (get-childItem "$ParentDir" -attributes Directory)
$FolderCount = $Folders.Count
$ParentDirName = (get-item "$ParentDir").Name
"Found $FolderCount subfolders in 📂$ParentDirName..."
foreach ($Folder in $Folders) {
$FolderName = (get-item "$Folder").Name
# & git -C "$Folder" fetch --tags
# if ($lastExitCode -ne "0") { throw "'git fetch --tags' failed" }
$LatestTagCommitID = (git -C "$Folder" rev-list --tags --max-count=1)
$LatestTag = (git -C "$Folder" describe --tags $LatestTagCommitID)
"* $FolderName $LatestTag ($LatestTagCommitID)"
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}