feat: support range selection for commit attributes amend

pkg/integration/tests/commit/set_author_range.go

@@ -0,0 +1,57 @@
+package commit
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var SetAuthorRange = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Set author on a range of commits",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.SetConfig("user.email", "Bill@example.com")
+		shell.SetConfig("user.name", "Bill Smith")
+
+		shell.EmptyCommit("fourth")
+		shell.EmptyCommit("third")
+		shell.EmptyCommit("second")
+		shell.EmptyCommit("first")
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Commits().
+			Focus().
+			Lines(
+				Contains("BS").Contains("first").IsSelected(),
+				Contains("BS").Contains("second"),
+				Contains("BS").Contains("third"),
+				Contains("BS").Contains("fourth"),
+			)
+
+		t.Views().Commits().
+			Focus().
+			SelectNextItem().
+			Press(keys.Universal.ToggleRangeSelect).
+			SelectNextItem().
+			Press(keys.Commits.ResetCommitAuthor).
+			Tap(func() {
+				t.ExpectPopup().Menu().
+					Title(Equals("Amend commit attribute")).
+					Select(Contains(" Set author")). // adding space at start to distinguish from 'reset author'
+					Confirm()
+
+				t.ExpectPopup().Prompt().
+					Title(Contains("Set author")).
+					Type("John Smith <John@example.com>").
+					Confirm()
+			}).
+			PressEscape().
+			Lines(
+				Contains("BS").Contains("first"),
+				Contains("JS").Contains("second"),
+				Contains("JS").Contains("third").IsSelected(),
+				Contains("BS").Contains("fourth"),
+			)
+	},
+})