Add rebase from marked base commit test

This also fixes a bug where after the rebase each commit in the commits view had a tick against it because we hadn't
refreshed the view since the base commit was no longer marked

pkg/integration/tests/branch/rebase_from_marked_base.go

@@ -40,12 +40,12 @@ var RebaseFromMarkedBase = NewIntegrationTest(NewIntegrationTestArgs{
 			NavigateToLine(Contains("active one")).
 			Press(keys.Commits.MarkCommitAsBaseForRebase).
 			Lines(
-				Contains("active three"),
-				Contains("active two"),
+				Contains("active three").Contains("✓"),
+				Contains("active two").Contains("✓"),
 				Contains("↑↑↑ Will rebase from here ↑↑↑ active one"),
-				Contains("three"),
-				Contains("two"),
-				Contains("one"),
+				Contains("three").DoesNotContain("✓"),
+				Contains("two").DoesNotContain("✓"),
+				Contains("one").DoesNotContain("✓"),
 			)
 
 		t.Views().Information().Content(Contains("Marked a base commit for rebase"))
@@ -66,13 +66,13 @@ var RebaseFromMarkedBase = NewIntegrationTest(NewIntegrationTestArgs{
 			Confirm()
 
 		t.Views().Commits().Lines(
-			Contains("active three"),
-			Contains("active two"),
-			Contains("target two"),
-			Contains("target one"),
-			Contains("three"),
-			Contains("two"),
-			Contains("one"),
+			Contains("active three").DoesNotContain("✓"),
+			Contains("active two").DoesNotContain("✓"),
+			Contains("target two").DoesNotContain("✓"),
+			Contains("target one").DoesNotContain("✓"),
+			Contains("three").DoesNotContain("✓"),
+			Contains("two").DoesNotContain("✓"),
+			Contains("one").DoesNotContain("✓"),
 		)
 	},
 })

pkg/integration/tests/demo/rebase_onto.go

@@ -0,0 +1,81 @@
+package demo
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var RebaseOnto = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Rebase with '--onto' flag. We start with a feature branch on the develop branch that we want to rebase onto the master branch",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	IsDemo:       true,
+	SetupConfig: func(config *config.AppConfig) {
+		config.UserConfig.Gui.NerdFontsVersion = "3"
+	},
+	SetupRepo: func(shell *Shell) {
+		shell.CreateNCommitsWithRandomMessages(60)
+		shell.NewBranch("develop")
+
+		shell.SetAuthor("Joe Blow", "joeblow@gmail.com")
+
+		shell.RandomChangeCommit("Develop commit 1")
+		shell.RandomChangeCommit("Develop commit 2")
+		shell.RandomChangeCommit("Develop commit 3")
+
+		shell.SetAuthor("Jesse Duffield", "jesseduffield@gmail.com")
+
+		shell.NewBranch("feature/demo")
+
+		shell.RandomChangeCommit("Feature commit 1")
+		shell.RandomChangeCommit("Feature commit 2")
+		shell.RandomChangeCommit("Feature commit 3")
+
+		shell.CloneIntoRemote("origin")
+
+		shell.SetBranchUpstream("feature/demo", "origin/feature/demo")
+		shell.SetBranchUpstream("develop", "origin/develop")
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.SetCaptionPrefix("Rebase from marked base commit")
+		t.Wait(1000)
+
+		// first we focus the commits view, then expand to show the branches against each commit
+		// Then we go back to normal value, mark the last develop branch commit as the marked commit
+		// Then go to the branches view and press 'r' on the master branch to rebase onto it
+		// then we force push our changes.
+
+		t.Views().Commits().
+			Focus().
+			Press(keys.Universal.PrevScreenMode).
+			Wait(500).
+			NavigateToLine(Contains("Develop commit 3")).
+			Wait(500).
+			Press(keys.Commits.MarkCommitAsBaseForRebase).
+			Wait(1000).
+			Press(keys.Universal.NextScreenMode).
+			Wait(500)
+
+		t.Views().Branches().
+			Focus().
+			Wait(500).
+			NavigateToLine(Contains("master")).
+			Wait(500).
+			Press(keys.Branches.RebaseBranch).
+			Tap(func() {
+				t.ExpectPopup().Menu().
+					Title(Contains("Rebase 'feature/demo' from marked base onto 'master'")).
+					Select(Contains("Simple rebase")).
+					Confirm()
+			}).
+			Wait(1000).
+			Press(keys.Universal.Push).
+			Tap(func() {
+				t.ExpectPopup().Confirmation().
+					Title(Contains("Force push")).
+					Content(AnyString()).
+					Wait(500).
+					Confirm()
+			})
+	},
+})

pkg/integration/tests/test_list.go

@@ -98,6 +98,7 @@ var tests = []*components.IntegrationTest{
 	demo.Filter,
 	demo.InteractiveRebase,
 	demo.NukeWorkingTree,
+	demo.RebaseOnto,
 	demo.StageLines,
 	demo.Undo,
 	demo.WorktreeCreateFromBranches,