1lck · 1lck · Sep 3, 2026 · Aug 31, 2026 · Sep 1, 2026 · Sep 1, 2026
@@ -14,6 +14,44 @@ function processGroupIsRunning(processID) {
   }
 }
 
+function processIsRunning(processID) {
+  try {
+    process.kill(processID, 0);
+    return true;
+  } catch (error) {
+    return error?.code === "EPERM";
+  }
+}
+
+function addDescendantProcessIDs(rootProcessID, processIDs) {
+  let rows;
+  try {
+    const listing = spawnSync("ps", ["-axo", "pid=,ppid="], {
+      encoding: "utf8",
+      timeout: 5000,
+    });
+    if (listing.status !== 0) return;
+    rows = listing.stdout
+      .split("\n")
+      .map((line) => line.trim().split(/\s+/).map(Number))
+      .filter(([pid, ppid]) => Number.isInteger(pid) && Number.isInteger(ppid));
+  } catch {
+    // The direct process group remains the portable fallback when ps is unavailable.
+    return;
+  }
+
+  processIDs.add(rootProcessID);
+  let changed = true;
+  while (changed) {
+    changed = false;
+    for (const [pid, ppid] of rows) {
+      if (!processIDs.has(ppid) || processIDs.has(pid)) continue;
+      processIDs.add(pid);
+      changed = true;
+    }
+  }
+}
+
 function signalProcessGroup(child, signal) {
   try {
     process.kill(-child.pid, signal);
@@ -27,12 +65,30 @@ function signalProcessGroup(child, signal) {
   }
 }
 
-async function waitForProcessGroupExit(processID, timeoutMs, pollIntervalMs) {
+function signalDescendantProcesses(rootProcessID, processIDs, signal) {
+  // The process-group signal handles ordinary descendants. Signal every known
+  // non-root PID as well because swift-testing may create a new process group.
+  for (const processID of processIDs) {
+    if (processID === rootProcessID) continue;
+    try {
+      process.kill(processID, signal);
+    } catch {
+      // It either exited between the snapshot and signal or is already gone.
+    }
+  }
+}
+
+function processTreeIsRunning(processID, processIDs) {
+  return processGroupIsRunning(processID)
+    || [...processIDs].some((candidate) => processIsRunning(candidate));
+}
+
+async function waitForProcessTreeExit(processID, processIDs, timeoutMs, pollIntervalMs) {
   const deadline = performance.now() + timeoutMs;
-  while (processGroupIsRunning(processID) && performance.now() < deadline) {
+  while (processTreeIsRunning(processID, processIDs) && performance.now() < deadline) {
     await delay(pollIntervalMs);
   }
-  return !processGroupIsRunning(processID);
+  return !processTreeIsRunning(processID, processIDs);
 }
 
 export async function terminateProcessTree(
@@ -52,10 +108,23 @@ export async function terminateProcessTree(
     return true;
   }
 
+  const processIDs = new Set();
+  addDescendantProcessIDs(child.pid, processIDs);
   signalProcessGroup(child, "SIGTERM");
-  if (await waitForProcessGroupExit(child.pid, gracePeriodMs, pollIntervalMs)) return true;
+  signalDescendantProcesses(child.pid, processIDs, "SIGTERM");
+  if (await waitForProcessTreeExit(child.pid, processIDs, gracePeriodMs, pollIntervalMs)) return true;
+
+  // Refresh before forcing termination so descendants created during graceful
+  // shutdown cannot escape the cleanup pass.
+  addDescendantProcessIDs(child.pid, processIDs);
   signalProcessGroup(child, "SIGKILL");
-  return waitForProcessGroupExit(child.pid, forcedTerminationTimeoutMs, pollIntervalMs);
+  signalDescendantProcesses(child.pid, processIDs, "SIGKILL");
+  return waitForProcessTreeExit(
+    child.pid,
+    processIDs,
+    forcedTerminationTimeoutMs,
+    pollIntervalMs,
+  );
 }
 
 function lineCollector(callback) {

@@ -566,10 +566,13 @@ try {
 if (process.platform !== "win32") {
   let rootPID = null;
   let descendantPID = null;
+  // swift-testing may detach its helper into a separate process group. The
+  // timeout owner must still discover and terminate that descendant.
   const descendantSource = "process.on('SIGTERM', () => {}); setInterval(() => {}, 1000);";
   const rootSource = `
     const { spawn } = require("node:child_process");
     const descendant = spawn(process.execPath, ["-e", ${JSON.stringify(descendantSource)}], {
+      detached: true,
       stdio: "ignore",
     });
     console.log(descendant.pid);

@@ -252,7 +252,10 @@ jobs:
         run: ./.agents/skills/write-stable-tests/scripts/test-stability-windows.ps1 -Scope WindowsRust -SuiteTimeoutSeconds 1080
 
       - name: Generate combined Windows test report
-        if: always()
+        if: >-
+          always() &&
+          (needs.changes.outputs.rust_core == 'true' ||
+          needs.changes.outputs.windows_rust == 'true')
         shell: pwsh
         run: node .agents/skills/write-stable-tests/scripts/generate-test-report.mjs
 

@@ -14,6 +14,10 @@
     <a href="#develop-lithe">Develop Lithe</a>
   </p>
 
+  <p>
+    <a href="https://hellogithub.com/repository/1lck/Lithe-IDEA" target="_blank"><img src="https://abroad.hellogithub.com/v1/widgets/recommend.svg?rid=633af067f07d4d16af010b9dc16c0b8d&amp;claim_uid=7NYd4yvRlGtqfgr" alt="Featured | HelloGitHub" style="width: 250px; height: 54px;" width="250" height="54"></a>
+  </p>
+
   <p>
     <a href="https://qm.qq.com/cgi-bin/qm/qr?k=&amp;group_code=163027877"><img src="https://img.shields.io/badge/QQ_Group-163027877-EB1923?style=for-the-badge&logo=qq&logoColor=white" alt="Join the Lithe QQ group 163027877"></a>
     <a href="https://gcnctzuuwe9u.feishu.cn/wiki/HJFbwZ0hZirAPnkWF3xcPWkCnid?from=from_copylink"><img src="https://img.shields.io/badge/WeChat_Group-Join_Now-07C160?style=for-the-badge&logo=wechat&logoColor=white" alt="Join the Lithe WeChat group"></a>

@@ -14,6 +14,10 @@
     <a href="#如何开发">如何开发</a>
   </p>
 
+  <p>
+    <a href="https://hellogithub.com/repository/1lck/Lithe-IDEA" target="_blank"><img src="https://abroad.hellogithub.com/v1/widgets/recommend.svg?rid=633af067f07d4d16af010b9dc16c0b8d&amp;claim_uid=7NYd4yvRlGtqfgr" alt="Featured | HelloGitHub" style="width: 250px; height: 54px;" width="250" height="54"></a>
+  </p>
+
   <p>
     <a href="https://qm.qq.com/cgi-bin/qm/qr?k=&amp;group_code=163027877"><img src="https://img.shields.io/badge/QQ_群-163027877-EB1923?style=for-the-badge&logo=qq&logoColor=white" alt="加入 Lithe QQ 群 163027877"></a>
     <a href="https://gcnctzuuwe9u.feishu.cn/wiki/HJFbwZ0hZirAPnkWF3xcPWkCnid?from=from_copylink"><img src="https://img.shields.io/badge/微信交流群-点击加入-07C160?style=for-the-badge&logo=wechat&logoColor=white" alt="加入 Lithe 微信交流群"></a>

@@ -818,6 +818,18 @@ struct RustCoreBridge: Sendable {
             let conflictedPaths: [String]
         }
 
+        struct TagDeletion: Decodable, Sendable {
+            let name: String
+            let deletedTarget: String
+            let kind: GitTagKind
+            let message: String?
+        }
+
+        struct BranchDeletion: Decodable, Sendable {
+            let name: String
+            let deletedTarget: String
+        }
+
         struct Warning: Decodable, Sendable {
             let code: String
             let message: String
@@ -832,6 +844,8 @@ struct RustCoreBridge: Sendable {
         let invocations: [Invocation]?
         let operationError: OperationError?
         let stashRestore: StashRestore?
+        let tagDeletion: TagDeletion?
+        let branchDeletion: BranchDeletion?
         let warnings: [Warning]?
     }
 
@@ -906,6 +920,7 @@ struct RustCoreBridge: Sendable {
             let fullName: String
             let shortName: String
             let kind: String
+            let peelsToCommit: Bool
             let isCurrent: Bool
             let upstreamShortName: String?
         }
@@ -936,6 +951,7 @@ struct RustCoreBridge: Sendable {
                         fullName: reference.fullName,
                         shortName: reference.shortName,
                         kind: kind,
+                        peelsToCommit: reference.peelsToCommit,
                         isCurrent: reference.isCurrent,
                         upstreamShortName: reference.upstreamShortName
                     )
@@ -946,6 +962,7 @@ struct RustCoreBridge: Sendable {
                         fullName: reference.fullName,
                         shortName: reference.shortName,
                         kind: kind,
+                        peelsToCommit: reference.peelsToCommit,
                         isCurrent: reference.isCurrent,
                         upstreamShortName: reference.upstreamShortName
                     )

@@ -31,6 +31,20 @@ struct RustGitOperations: GitOperations, Sendable {
                     conflictedPaths: $0.conflictedPaths
                 )
             },
+            tagDeletion: response.tagDeletion.map {
+                GitTagDeletion(
+                    name: $0.name,
+                    deletedTarget: $0.deletedTarget,
+                    kind: $0.kind,
+                    message: $0.message
+                )
+            },
+            branchDeletion: response.branchDeletion.map {
+                GitBranchDeletion(
+                    name: $0.name,
+                    deletedTarget: $0.deletedTarget
+                )
+            },
             warnings: response.warnings?.map {
                 GitOperationWarning(code: $0.code, message: $0.message, details: $0.details)
             } ?? []
@@ -319,6 +333,25 @@ struct RustGitOperations: GitOperations, Sendable {
         write(at: rootURL, operation: "stageAll")
     }
 
+    func createTag(
+        named name: String,
+        at revision: String,
+        message: String?,
+        rootURL: URL
+    ) -> GitProcessResult? {
+        write(
+            at: rootURL,
+            operation: "createTag",
+            revision: revision,
+            name: name,
+            message: message
+        )
+    }
+
+    func deleteTag(named name: String, rootURL: URL) -> GitProcessResult? {
+        write(at: rootURL, operation: "deleteTag", name: name)
+    }
+
     func snapshot(at rootURL: URL) -> GitSnapshot? {
         core.gitStatus(at: rootURL)?.makeSnapshot(at: rootURL)
     }

@@ -213,11 +213,20 @@ extension AppModel {
     var requestedStashReference: String? {
         gitFeatureIfActive?.requestedStashReference
     }
+    var recentlyDeletedTag: GitTagDeletion? {
+        gitFeatureIfActive?.recentlyDeletedTag
+    }
+    var recentlyDeletedBranch: GitBranchDeletion? {
+        gitFeatureIfActive?.recentlyDeletedBranch
+    }
     var isCommitting: Bool { gitFeatureIfActive?.isCommitting ?? false }
     var gitBlameLines: [URL: [GitBlameLine]] { gitFeatureIfActive?.gitBlameLines ?? [:] }
     var gitReferences: [GitReference] { gitFeatureIfActive?.gitReferences ?? [] }
     var recentGitReferences: [GitReference] { gitFeatureIfActive?.recentGitReferences ?? [] }
     var gitCommits: [GitCommit] { gitFeatureIfActive?.gitCommits ?? [] }
+    /// Cheap stand-in for `gitCommits` as a change key. Comparing the array
+    /// itself made every `.task(id:)` evaluation walk the whole commit list.
+    var gitCommitsVersion: Int { gitFeatureIfActive?.gitCommitsVersion ?? 0 }
     var gitLogMatchedCommitHashes: Set<String>? {
         gitFeatureIfActive?.gitLogMatchedCommitHashes
     }

@@ -1645,6 +1645,37 @@ final class AppModel: ObservableObject, Identifiable {
         await gitFeature.deleteBranch(reference)
     }
 
+    func restoreRecentlyDeletedBranch() async {
+        guard let gitFeature = await activateGitModule() else { return }
+        await gitFeature.restoreRecentlyDeletedBranch()
+    }
+
+    func dismissDeletedBranchBanner() {
+        gitFeatureIfActive?.dismissDeletedBranchBanner()
+    }
+
+    /// Returns nil on success, otherwise the error message a tag dialog
+    /// should show where the user typed.
+    @discardableResult
+    func createTag(at commit: GitCommit, name: String, message: String) async -> String? {
+        guard let gitFeature = await activateGitModule() else { return "No Git repository is open" }
+        return await gitFeature.createTag(at: commit, name: name, message: message)
+    }
+
+    func deleteTag(_ reference: GitReference) async {
+        guard let gitFeature = await activateGitModule() else { return }
+        await gitFeature.deleteTag(reference)
+    }
+
+    func restoreRecentlyDeletedTag() async {
+        guard let gitFeature = await activateGitModule() else { return }
+        await gitFeature.restoreRecentlyDeletedTag()
+    }
+
+    func dismissDeletedTagBanner() {
+        gitFeatureIfActive?.dismissDeletedTagBanner()
+    }
+
     func mergeBranch(_ reference: GitReference) async {
         guard let gitFeature = await activateGitModule() else { return }
         await gitFeature.mergeBranch(reference)

@@ -0,0 +1,27 @@
+import os
+
+enum LitheSignpost {
+    private static let signposter = OSSignposter(
+        subsystem: "com.openres.Lithe",
+        category: "Rendering"
+    )
+
+    static func begin(_ name: StaticString) -> OSSignpostIntervalState {
+        signposter.beginInterval(name)
+    }
+
+    static func end(_ name: StaticString, _ state: OSSignpostIntervalState) {
+        signposter.endInterval(name, state)
+    }
+
+    #if DEBUG
+    private static var bodyCounts: [String: Int] = [:]
+
+    static func bodyEvaluated(_ view: StaticString) {
+        bodyCounts["\(view)", default: 0] += 1
+    }
+    #else
+    @inlinable @inline(__always)
+    static func bodyEvaluated(_ view: StaticString) {}
+    #endif
+}