refactor(status): Support batch and all changes discard functionality

The file discarding mechanism has been significantly refactored to improve handling of multi-file operations. Instead of processing discards on a per-file basis, the system now supports batch actions for selected files or reverting all tracked modifications simultaneously. This update centralizes complex discard logic into dedicated functions across the component suite.

- Updated state management and types to handle arrays of file changes.
- Added UI elements and handlers for discarding all staged/unstaged changes.
- Enhanced the confirmation dialog to display multiple discarded targets in a list view.

src/App.svelte

@@ -133,7 +133,8 @@
   type AppView = "management" | "repository";
   type CredentialAction = "push" | "pull" | "fetch" | "clone";
   type PendingDiscard =
-    | { kind: "file"; file: GitFileStatus; staged: boolean }
+    | { kind: "file"; files: GitFileStatus[]; staged: boolean }
+    | { kind: "all-changes"; files: GitFileStatus[] }
     | { kind: "hunk"; file: GitFileStatus; staged: boolean; action: PatchApplyAction; patch: string };
 
   interface RepoTab {
@@ -2588,26 +2589,59 @@
     });
   }
 
-  function discardFile(file: GitFileStatus, staged: boolean) {
+  function discardFiles(files: GitFileStatus[], staged: boolean) {
-    if (!activeRepoPath || isBusy) return;
+    if (!activeRepoPath || isBusy || files.length === 0) return;
-    pendingDiscard = { kind: "file", file, staged };
+    pendingDiscard = { kind: "file", files, staged };
     trackEvent("discard_confirm_opened", {
       kind: "file",
       staged: staged ? 1 : 0,
+      files: files.length,
     });
   }
 
-  async function runDiscardFile(file: GitFileStatus, staged: boolean) {
+  function discardChanges(files: GitFileStatus[]) {
-    await runOperation(`Discarding ${file.path}`, async () => {
+    if (!activeRepoPath || isBusy || files.length === 0) return;
-      applyStatus(await restoreFiles(activeRepoPath, [file.path], staged));
+    pendingDiscard = { kind: "all-changes", files };
+    trackEvent("discard_confirm_opened", {
+      kind: "all",
+      files: files.length,
+    });
+  }
+
+  async function runDiscardFiles(files: GitFileStatus[], staged: boolean) {
+    if (files.length === 0) return;
+    const paths = files.map((file) => file.path);
+    await runOperation(files.length === 1 ? `Discarding ${baseName(files[0].path)}` : `Discarding ${files.length} files`, async () => {
+      applyStatus(await restoreFiles(activeRepoPath, paths, staged));
       await refreshExplorerFiles(activeRepoPath);
       await refreshFileHistory(activeRepoPath);
       trackEvent("file_discarded", {
+        files: files.length,
         staged: staged ? 1 : 0,
       });
     });
   }
 
+  // Discards both the staged and unstaged changes for each given file (used
+  // by "Discard all" and "Discard selected", which don't distinguish lanes).
+  async function runDiscardAllChanges(files: GitFileStatus[]) {
+    const stagedPaths = files.filter((file) => file.staged !== null).map((file) => file.path);
+    const unstagedPaths = files.filter((file) => file.unstaged !== null).map((file) => file.path);
+    if (stagedPaths.length === 0 && unstagedPaths.length === 0) return;
+    await runOperation(files.length === 1 ? `Discarding ${baseName(files[0].path)}` : `Discarding ${files.length} files`, async () => {
+      let nextStatus: GitStatus | null = null;
+      if (stagedPaths.length > 0) nextStatus = await restoreFiles(activeRepoPath, stagedPaths, true);
+      if (unstagedPaths.length > 0) nextStatus = await restoreFiles(activeRepoPath, unstagedPaths, false);
+      if (nextStatus) applyStatus(nextStatus);
+      await refreshExplorerFiles(activeRepoPath);
+      await refreshFileHistory(activeRepoPath);
+      trackEvent("file_discarded", {
+        files: files.length,
+        staged: 2,
+      });
+    });
+  }
+
   async function openLinePatch(file: GitFileStatus, staged: boolean) {
     if (!activeRepoPath) return;
     linePatchOpen = true;
@@ -2743,7 +2777,9 @@
     if (!discard || !activeRepoPath || isBusy) return;
 
     if (discard.kind === "file") {
-      await runDiscardFile(discard.file, discard.staged);
+      await runDiscardFiles(discard.files, discard.staged);
+    } else if (discard.kind === "all-changes") {
+      await runDiscardAllChanges(discard.files);
     } else {
       await runLinePatchAction(discard.action, discard.patch, discard.file, discard.staged);
     }
@@ -3750,7 +3786,8 @@
             onSelectFile={selectFileFromStatus}
             onStage={stageFile}
             onUnstage={unstageFile}
-            onDiscard={discardFile}
+            onDiscard={discardFiles}
+            onDiscardMany={discardChanges}
             onPatch={openLinePatch}
             onStageAll={stageAllFiles}
             onUnstageAll={unstageAllFiles}
@@ -3927,8 +3964,8 @@
 
 {#if pendingDiscard}
   <DiscardConfirmDialog
-    file={pendingDiscard.file}
+    files={pendingDiscard.kind === "hunk" ? [pendingDiscard.file] : pendingDiscard.files}
-    staged={pendingDiscard.staged}
+    staged={pendingDiscard.kind === "all-changes" ? null : pendingDiscard.staged}
     scope={pendingDiscard.kind === "hunk" ? "hunk" : "file"}
     {isBusy}
     onConfirm={confirmDiscard}

src/app.css

@@ -3188,6 +3188,23 @@
     align-items: center;
     gap: 6px;
   }
+  .discard-target-list {
+    display: grid;
+    gap: 4px;
+    max-height: 168px;
+    overflow: auto;
+    margin: 0;
+    padding: 0;
+    list-style: none;
+  }
+  .discard-target-list .discard-target {
+    max-height: none;
+  }
+  .discard-target-more {
+    padding: 2px 2px 0;
+    color: var(--color-ink-muted);
+    font-size: 12px;
+  }
   .discard-warning-text {
     color: #ffb8bf;
     font-weight: 650;

src/lib/components/DiscardConfirmDialog.svelte

@@ -3,8 +3,8 @@
   import type { GitFileStatus } from "../types";
 
   interface Props {
-    file: GitFileStatus;
+    files: GitFileStatus[];
-    staged: boolean;
+    staged: boolean | null;
     scope: "file" | "hunk";
     isBusy: boolean;
     onConfirm: () => void | Promise<void>;
@@ -12,7 +12,7 @@
   }
 
   let {
-    file,
+    files,
     staged = false,
     scope = "file",
     isBusy = false,
@@ -20,10 +20,16 @@
     onClose = () => {},
   }: Props = $props();
 
-  let targetPath = $derived(file.old_path ? `${file.old_path} -> ${file.path}` : file.path);
+  function targetPath(file: GitFileStatus): string {
-  let title = $derived(scope === "hunk" ? "Discard hunk?" : "Discard file changes?");
+    return file.old_path ? `${file.old_path} -> ${file.path}` : file.path;
-  let scopeLabel = $derived(scope === "hunk" ? "Selected hunk" : "File changes");
+  }
-  let sourceLabel = $derived(staged ? "staged changes" : "unstaged changes");
+
+  let count = $derived(files.length);
+  let title = $derived(
+    scope === "hunk" ? "Discard hunk?" : count > 1 ? `Discard changes in ${count} files?` : "Discard file changes?"
+  );
+  let scopeLabel = $derived(scope === "hunk" ? "selected hunk" : count > 1 ? `${count} files` : "file");
+  let sourceLabel = $derived(staged === null ? "staged and unstaged changes" : staged ? "staged changes" : "unstaged changes");
 
 </script>
 
@@ -46,11 +52,22 @@
 
       <div class="discard-confirm-copy">
         <p>
-          This will reset the {sourceLabel} for the {scopeLabel.toLowerCase()} below.
+          This will reset the {sourceLabel} for the {scopeLabel} below.
         </p>
-        <code class="discard-target" title={targetPath}>{targetPath}</code>
+        {#if count > 1}
+          <ul class="discard-target-list">
+            {#each files.slice(0, 8) as file (`${file.old_path ?? ""}:${file.path}`)}
+              <li><code class="discard-target" title={targetPath(file)}>{targetPath(file)}</code></li>
+            {/each}
+            {#if files.length > 8}
+              <li class="discard-target-more">+{files.length - 8} more</li>
+            {/if}
+          </ul>
+        {:else if count === 1}
+          <code class="discard-target" title={targetPath(files[0])}>{targetPath(files[0])}</code>
+        {/if}
         <p class="discard-warning-text">
-          This cannot be undone. If the file only exists in your working tree, it can be deleted entirely.
+          This cannot be undone. If a file only exists in your working tree, it can be deleted entirely.
         </p>
       </div>
     </div>

src/lib/components/StatusPanel.svelte

@@ -15,7 +15,8 @@
     onSelectFile: (file: GitFileStatus) => void;
     onStage: (files: GitFileStatus[]) => void;
     onUnstage: (files: GitFileStatus[]) => void;
-    onDiscard: (file: GitFileStatus, staged: boolean) => void;
+    onDiscard: (files: GitFileStatus[], staged: boolean) => void;
+    onDiscardMany: (files: GitFileStatus[]) => void;
     onPatch: (file: GitFileStatus, staged: boolean) => void;
     onStageAll: () => void;
     onUnstageAll: () => void;
@@ -34,6 +35,7 @@
     onStage = () => {},
     onUnstage = () => {},
     onDiscard = () => {},
+    onDiscardMany = () => {},
     onPatch = () => {},
     onStageAll = () => {},
     onUnstageAll = () => {},
@@ -125,6 +127,21 @@
     onUnstage(targets);
   }
 
+  // Discard mirrors the stage/unstage target selection: if the clicked row is
+  // part of the current multi-selection, the whole selection (filtered to the
+  // relevant lane) is discarded; otherwise just that one file.
+  function discardStagedFromFile(file: GitFileStatus) {
+    const targets = selectedUnstageTargets(file);
+    if (targets.length === 0) return;
+    onDiscard(targets, true);
+  }
+
+  function discardUnstagedFromFile(file: GitFileStatus) {
+    const targets = selectedStageTargets(file);
+    if (targets.length === 0) return;
+    onDiscard(targets, false);
+  }
+
   let hasUnstaged = $derived(changedFiles.some((f) => f.unstaged !== null));
   let hasStaged = $derived(changedFiles.some((f) => f.staged !== null));
   let selectedCount = $derived(changedFiles.filter((f) => selectedStatusPaths.has(fileKey(f))).length);
@@ -173,6 +190,16 @@
         <Undo2 size={14} aria-hidden="true" />
         Unstage all
       </button>
+      <button
+        class="btn-sm danger"
+        type="button"
+        onclick={() => onDiscardMany(changedFiles)}
+        disabled={isBusy || changedFiles.length === 0}
+        title="Discard all changes"
+      >
+        <RotateCcw size={14} aria-hidden="true" />
+        Discard all
+      </button>
       {#if selectedCount > 1}
         <span class="status-selection-count">{selectedCount} selected</span>
         <button
@@ -195,6 +222,16 @@
           <Undo2 size={14} aria-hidden="true" />
           Unstage selected
         </button>
+        <button
+          class="btn-sm danger"
+          type="button"
+          onclick={() => onDiscardMany(selectedFiles())}
+          disabled={isBusy || selectedCount === 0}
+          title="Discard changes in selected files"
+        >
+          <RotateCcw size={14} aria-hidden="true" />
+          Discard selected
+        </button>
       {/if}
     </div>
   {/if}
@@ -241,9 +278,9 @@
                     <FileDiff size={14} aria-hidden="true" />
                     Details
                   </button>
-                  <button class="btn-sm" type="button" onclick={() => onDiscard(file, true)} disabled={isBusy} title="Discard staged changes">
+                  <button class="btn-sm" type="button" onclick={() => discardStagedFromFile(file)} disabled={isBusy || unstageTargets.length === 0} title={unstageTargets.length > 1 ? `Discard staged changes in ${unstageTargets.length} selected files` : "Discard staged changes"}>
                     <RotateCcw size={14} aria-hidden="true" />
-                    Discard
+                    {unstageTargets.length > 1 ? `Discard ${unstageTargets.length}` : "Discard"}
                   </button>
                 {:else}
                   <span class="quiet">No staged change</span>
@@ -267,9 +304,9 @@
                     <FileDiff size={14} aria-hidden="true" />
                     Details
                   </button>
-                  <button class="btn-sm" type="button" onclick={() => onDiscard(file, false)} disabled={isBusy} title="Discard unstaged changes">
+                  <button class="btn-sm" type="button" onclick={() => discardUnstagedFromFile(file)} disabled={isBusy || stageTargets.length === 0} title={stageTargets.length > 1 ? `Discard unstaged changes in ${stageTargets.length} selected files` : "Discard unstaged changes"}>
                     <RotateCcw size={14} aria-hidden="true" />
-                    Discard
+                    {stageTargets.length > 1 ? `Discard ${stageTargets.length}` : "Discard"}
                   </button>
                 {:else}
                   <span class="quiet">No unstaged change</span>