From 041db0385444c35ffdd93a7150095a64e3e49f25 Mon Sep 17 00:00:00 2001
From: Kattouf <vasiliy.kattouf@gmail.com>
Date: Thu, 24 Oct 2024 10:35:52 +0700
Subject: [PATCH] project(release): generate release notes in release flow

---
 SakeApp/BrewCommands.swift    | 12 +++++++++
 SakeApp/ReleaseCommands.swift | 50 ++++++++++++++++++++++++++++++++---
 cliff.toml                    |  2 +-
 3 files changed, 60 insertions(+), 4 deletions(-)

diff --git a/SakeApp/BrewCommands.swift b/SakeApp/BrewCommands.swift
index ed7f377..efccb9c 100644
--- a/SakeApp/BrewCommands.swift
+++ b/SakeApp/BrewCommands.swift
@@ -38,4 +38,16 @@ struct BrewCommands {
             }
         )
     }
+
+    static var ensureGitCliffInstalled: Command {
+        Command(
+            description: "Ensure git-cliff is installed",
+            skipIf: { _ in
+                run("which", "git-cliff").succeeded
+            },
+            run: { _ in
+                try runAndPrint("brew", "install", "git-cliff")
+            }
+        )
+    }
 }
diff --git a/SakeApp/ReleaseCommands.swift b/SakeApp/ReleaseCommands.swift
index 2e17216..1ae2b14 100644
--- a/SakeApp/ReleaseCommands.swift
+++ b/SakeApp/ReleaseCommands.swift
@@ -27,7 +27,14 @@ struct ReleaseCommands {
     public static var release: Command {
         Command(
             description: "Release",
-            dependencies: [bumpVersion, buildReleaseArtifacts, calculateBuildArtifactsSha256, createAndPushTag, draftReleaseWithArtifacts]
+            dependencies: [
+                bumpVersion,
+                buildReleaseArtifacts,
+                calculateBuildArtifactsSha256,
+                createAndPushTag,
+                generateReleaseNotes,
+                draftReleaseWithArtifacts,
+            ]
         )
     }
 
@@ -63,7 +70,7 @@ struct ReleaseCommands {
                 try versionFileContent.write(toFile: versionFilePath, atomically: true, encoding: .utf8)
 
                 try runAndPrint("git", "add", versionFilePath)
-                try runAndPrint("git", "commit", "-m", "Bump version to \(version)")
+                try runAndPrint("git", "commit", "-m", "chore(release): Bump version to \(version)")
                 print("Version bumped to \(version)")
             }
         )
@@ -202,6 +209,35 @@ struct ReleaseCommands {
         )
     }
 
+    static var generateReleaseNotes: Command {
+        Command(
+            description: "Generate release notes",
+            dependencies: [BrewCommands.ensureGitCliffInstalled],
+            skipIf: { context in
+                let arguments = try ReleaseArguments.parse(context.arguments)
+                try arguments.validate()
+
+                let version = arguments.version
+                let releaseNotesPath = releaseNotesPath(version: version)
+                if FileManager.default.fileExists(atPath: releaseNotesPath) {
+                    print("Release notes for \(version) already exist at \(releaseNotesPath). Skipping...")
+                    return true
+                } else {
+                    return false
+                }
+            },
+            run: { context in
+                let arguments = try ReleaseArguments.parse(context.arguments)
+                try arguments.validate()
+
+                let version = arguments.version
+                let releaseNotesPath = releaseNotesPath(version: version)
+                try runAndPrint("git", "cliff", "--unreleased", "--strip=all", "--tag", version, "--output", releaseNotesPath)
+                print("Release notes generated at \(releaseNotesPath)")
+            }
+        )
+    }
+
     static var draftReleaseWithArtifacts: Command {
         Command(
             description: "Draft a release on GitHub",
@@ -227,9 +263,17 @@ struct ReleaseCommands {
                 let tagName = arguments.version
                 let releaseTitle = arguments.version
                 let draftReleaseCommand =
-                    "gh release create \(tagName) \(Constants.buildArtifactsDirectory)/*.zip --title '\(releaseTitle)' --draft --verify-tag --generate-notes"
+                    "gh release create \(tagName) \(Constants.buildArtifactsDirectory)/*.zip --title '\(releaseTitle)' --draft --verify-tag --notes-file \(releaseNotesPath(version: tagName))"
                 try runAndPrint(bash: draftReleaseCommand)
             }
         )
     }
 }
+
+// MARK: - Helpers
+
+extension ReleaseCommands {
+    private static func releaseNotesPath(version: String) -> String {
+        ".build/artifacts/release-notes-\(version).md"
+    }
+}
diff --git a/cliff.toml b/cliff.toml
index 6fdaf7f..34a1a73 100644
--- a/cliff.toml
+++ b/cliff.toml
@@ -105,7 +105,7 @@ commit_preprocessors = [
 ]
 # regex for parsing and grouping commits
 commit_parsers = [
-  { message = '^chore\(release\): bump version', skip = true },
+  { message = '^chore\(release\): Bump version to', skip = true },
   { message = '^(chore|fix)\(deps\):', group = "<!-- 99 -->:package: Dependency Updates", scope = "" },
   { message = '^feat', group = "<!-- 00 -->:rocket: Features" },
   { message = '^fix', group = "<!-- 01 -->:bug: Bug Fixes" },