Let the search prompt receive pasted text in one piece

Treat pasted text like in the other views that take a single line of
text. Before, a pasted newline confirmed the search, and the rest of
the pasted text was lost.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

pkg/gui/editors.go

@@ -119,6 +119,13 @@ func (gui *Gui) onMenuFilterContentChanged(content string) {
 	gui.helpers.Search.ApplyFilter(menuContext, content)
 }
 
+func (gui *Gui) pasteIntoSearch(text string) {
+	v := gui.Views.Search
+	if typePastedTextIntoSingleLineView(v, text) {
+		gui.helpers.Search.OnPromptContentChanged(v.TextArea.GetContent())
+	}
+}
+
 func (gui *Gui) searchEditor(v *gocui.View, key gocui.Key) bool {
 	matched := gui.handleEditorKeypress(v, key, false)
 	v.RenderTextArea()

pkg/gui/views.go

@@ -101,6 +101,10 @@ func (gui *Gui) createAllViews() error {
 	gui.Views.Search.Editable = true
 	gui.Views.Search.Frame = false
 	gui.Views.Search.Editor = gocui.EditorFunc(gui.searchEditor)
+	gui.Views.Search.OnPaste = func(text string) error {
+		gui.pasteIntoSearch(text)
+		return nil
+	}
 
 	for _, view := range []*gocui.View{gui.Views.Main, gui.Views.Secondary, gui.Views.MergeConflicts} {
 		view.Wrap = true

pkg/integration/components/search_driver.go

@@ -24,6 +24,13 @@ func (self *SearchDriver) Type(value string) *SearchDriver {
 	return self
 }
 
+// pastes the text the way a terminal does it
+func (self *SearchDriver) Paste(text string) *SearchDriver {
+	self.t.paste(text)
+
+	return self
+}
+
 func (self *SearchDriver) Clear() *SearchDriver {
 	self.t.press(ClearKey)
 

pkg/integration/tests/filter_and_search/paste_into_search_prompt.go

@@ -0,0 +1,49 @@
+package filter_and_search
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var PasteIntoSearchPrompt = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Paste multi-line text into the search prompt",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.EmptyCommit("one")
+		shell.EmptyCommit("two")
+		shell.EmptyCommit("three")
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Commits().
+			Focus().
+			Lines(
+				Contains("three").IsSelected(),
+				Contains("two"),
+				Contains("one"),
+			).
+			Press(keys.Universal.StartSearch)
+
+		t.ExpectSearch().
+			Paste("\ntwo\n")
+
+		t.Views().Search().
+			IsFocused().
+			Content(Equals("two"))
+
+		t.ExpectSearch().
+			Confirm()
+
+		t.Views().Search().
+			IsVisible().
+			Content(Contains("matches for 'two' (1 of 1)"))
+
+		t.Views().Commits().
+			Lines(
+				Contains("three"),
+				Contains("two").IsSelected(),
+				Contains("one"),
+			)
+	},
+})

pkg/integration/tests/test_list.go

@@ -339,6 +339,7 @@ var tests = []*components.IntegrationTest{
 	filter_and_search.NewSearch,
 	filter_and_search.PasteIntoKeybindingsMenu,
 	filter_and_search.PasteIntoMenuFilter,
+	filter_and_search.PasteIntoSearchPrompt,
 	filter_and_search.RerenderTheSearchedMainView,
 	filter_and_search.SearchALongDiff,
 	filter_and_search.SearchStatusAfterARerender,