Feat: support prettier Comments on Changelog.md when updating a dependency.

CHANGELOG.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## Unreleased
+
+### Features
+
+- Add support for prettier-ignore notes on `CHANGELOG.md` ([#75](https://github.com/getsentry/github-workflows/pull/75))
+
+Example of notes before `## Unreleased` Header on `CHANGELOG.md`
+
+<!-- prettier-ignore-start -->
+> [!IMPORTANT]
+> If you are upgrading to the `1.x` versions of the Sentry SDK from `0.x` or below,
+> make sure you follow our [migration guide](https://docs.sentry.io/platforms/SDK/migration/) first.
+<!-- prettier-ignore-end -->
+
 ## 2.10.0
 
 ### Changes

updater/scripts/update-changelog.ps1

@@ -23,17 +23,36 @@ Write-Host "Found changelog: $file"
 
 [string[]]$lines = Get-Content $file
 
+$skippingComment = $false
+
 # Make sure that there's an `Unreleased` header
 for ($i = 0; $i -lt $lines.Count; $i++)
 {
     $line = $lines[$i]
 
-    # Skip the "Changelog" header and empty lines at the beginning.
     if ($line -match "changelog" -or $line.Trim().Length -eq 0)
     {
         continue
     }
 
+    # Skip the prettier comment that may be found before the Unreleased version.
+    if ($line -match "<!-- prettier-ignore-start -->" -and -not $skippingComment)
+    {
+        $skippingComment = $true
+        continue
+    }
+    if ($skippingComment) {
+        if ($line -match "<!-- prettier-ignore-end -->") {
+            $skippingComment = $false
+            continue
+        }
+        if ($line -match "^> ") {
+            continue
+        }
+        throw "Prettier comment format - expected <!-- prettier-ignore-end -->, but found: '$line'"
+    }
+    # End of prettier comment
+
     # Next, we expect a header for the current version or "Unreleased".
     if (-not $line.StartsWith("#"))
     {
@@ -60,6 +79,26 @@ for ($i = 0; $i -lt $lines.Count; $i++)
         continue
     }
 
+    # Skip the prettier comment that may be found before the Unreleased version.
+    if ($line -match "<!-- prettier-ignore-start -->" -and -not $skippingComment)
+    {
+        $skippingComment = $true
+        continue
+    }
+    if ($skippingComment) {
+
+        if ($line -match "<!-- prettier-ignore-end -->") {
+            $skippingComment = $false
+            continue
+        }
+        if ($line -match "^> ") {
+            continue
+        }
+        throw "Prettier comment format - expected <!-- prettier-ignore-end -->, but found: '$line'"
+    }
+    # End of prettier comment
+
+
     # Next, we expect a header
     if (-not $line.StartsWith("#"))
     {

updater/tests/testdata/changelog/update-with-comment/CHANGELOG.md.expected

@@ -0,0 +1,23 @@
+# Changelog
+
+<!-- prettier-ignore-start -->
+> [!IMPORTANT]
+> If you are upgrading to the `1.x` versions of the Sentry SDK from `0.x` or below,
+> make sure you follow our [migration guide](https://docs.sentry.io/platforms/SDK/migration/) first.
+<!-- prettier-ignore-end -->
+
+## Unreleased
+
+### Dependencies
+
+- Following items preserve their bullet points as-is even through an update
+* Bump Dependency to v7.17.0 ([#100](https://github.com/getsentry/dependant/pulls/100), [#123](https://github.com/getsentry/dependant/pulls/123))
+  * [changelog](https://github.com/getsentry/dependency/blob/main/CHANGELOG.md#7170)
+  - [diff](https://github.com/getsentry/dependency/compare/5.0.0...7.17.0)
+
+## 0.14.0
+
+### Dependencies
+
+- Capture `Debug.LogError()` and `Debug.LogException()` also on background threads ([#673](https://github.com/getsentry/sentry-unity/pull/673))
+- Adding override for Sentry CLI URL ([#666](https://github.com/getsentry/sentry-unity/pull/666))

updater/tests/testdata/changelog/update-with-comment/CHANGELOG.md.original

@@ -0,0 +1,23 @@
+# Changelog
+
+<!-- prettier-ignore-start -->
+> [!IMPORTANT]
+> If you are upgrading to the `1.x` versions of the Sentry SDK from `0.x` or below,
+> make sure you follow our [migration guide](https://docs.sentry.io/platforms/SDK/migration/) first.
+<!-- prettier-ignore-end -->
+
+## Unreleased
+
+### Dependencies
+
+- Following items preserve their bullet points as-is even through an update
+* Bump Dependency to v6.0.0 ([#100](https://github.com/getsentry/dependant/pulls/100))
+  * [changelog](https://github.com/getsentry/dependency/blob/main/CHANGELOG.md#600)
+  - [diff](https://github.com/getsentry/dependency/compare/5.0.0...6.0.0)
+
+## 0.14.0
+
+### Dependencies
+
+- Capture `Debug.LogError()` and `Debug.LogException()` also on background threads ([#673](https://github.com/getsentry/sentry-unity/pull/673))
+- Adding override for Sentry CLI URL ([#666](https://github.com/getsentry/sentry-unity/pull/666))