Merge pull request #281 from CommunityToolkit/feature/scripts/get-changed-components

Added Get-Changed-Components.ps1

Author: Arlodotexe

Get-Changed-Components.ps1

@@ -0,0 +1,47 @@
+<#
+.PARAMETER FromSha
+    The SHA of the commit to start the diff from. This is typically the SHA of the main branch.
+    The default value is 'origin/main'.
+
+.PARAMETER ToSha
+    The SHA of the commit to end the diff at. This is typically the SHA of the current commit.
+    If not provided, the script will use the current commit SHA.
+
+.EXAMPLE
+    Get-Changed-Components.ps1 -FromSha 'origin/main' -ToSha $(git rev-parse HEAD)
+
+    Get-Changed-Components.ps1 -t $(git rev-parse HEAD)
+
+    Gets the components that have been changed in a specific patch range, defined by -FromSha and -ToSha parameters.
+
+.NOTES
+    Author: Arlo Godfrey
+    Date:   2/19/2024
+#>
+Param (
+    [Alias("f")]
+    [string]$FromSha = 'origin/main',
+
+    [Alias("t")]
+    [string]$ToSha
+)
+
+if (-not $ToSha) {
+    $ToSha = $(git rev-parse HEAD)
+}
+
+git fetch origin main
+
+$changedComponentFiles = Invoke-Expression "git diff --name-only $($FromSha)...$($ToSha) -- components/"
+$otherChanges = Invoke-Expression "git diff --name-only $($FromSha)...$($ToSha) | Select-String -NotMatch '^components/'"
+
+if (-not $otherChanges) {
+  $names = $changedComponentFiles | ForEach-Object { ($_ -replace '^components/', '') -replace '/.*$', '' }
+  $uniqueNames = $names | Sort-Object -Unique
+  $quotedNames = $uniqueNames | ForEach-Object { "'$_'" }
+  $changedComponentsList = $quotedNames -join ','
+  return $changedComponentsList
+}
+else {
+    return 'all';
+}