Add integration test for pushing when the remote is not stored locally

The test needs all three fixes from this branch to succeed.

pkg/integration/tests/sync/force_push_remote_branch_not_stored_locally.go

@@ -0,0 +1,81 @@
+package sync
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var ForcePushRemoteBranchNotStoredLocally = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Push a branch whose remote branch is not stored locally, requiring a force push",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.EmptyCommit("one")
+		shell.EmptyCommit("two")
+
+		shell.Clone("some-remote")
+
+		// remove the 'two' commit so that we have something to pull from the remote
+		shell.HardReset("HEAD^")
+
+		shell.SetConfig("branch.master.remote", "../some-remote")
+		shell.SetConfig("branch.master.pushRemote", "../some-remote")
+		shell.SetConfig("branch.master.merge", "refs/heads/master")
+
+		shell.CreateFileAndAdd("file1", "file1 content")
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Commits().
+			Lines(
+				Contains("one"),
+			)
+
+		t.Views().Status().Content(Contains("? repo → master"))
+
+		// We're behind our upstream now, so we expect to be asked to force-push
+		t.Views().Files().IsFocused().Press(keys.Universal.Push)
+
+		t.ExpectPopup().Confirmation().
+			Title(Equals("Force push")).
+			Content(Equals("Your branch has diverged from the remote branch. Press <esc> to cancel, or <enter> to force push.")).
+			Confirm()
+
+		// Make a new local commit
+		t.Views().Files().IsFocused().Press(keys.Files.CommitChanges)
+		t.ExpectPopup().CommitMessagePanel().Type("new").Confirm()
+
+		t.Views().Commits().
+			Lines(
+				Contains("new"),
+				Contains("one"),
+			)
+
+		// Pushing this works without needing to force push
+		t.Views().Files().IsFocused().Press(keys.Universal.Push)
+
+		// Now add the clone as a remote just so that we can check if what we
+		// pushed arrived there correctly
+		t.Views().Remotes().Focus().
+			Press(keys.Universal.New)
+
+		t.ExpectPopup().Prompt().
+			Title(Equals("New remote name:")).Type("some-remote").Confirm()
+		t.ExpectPopup().Prompt().
+			Title(Equals("New remote url:")).Type("../some-remote").Confirm()
+		t.Views().Remotes().Lines(
+			Contains("some-remote").IsSelected(),
+		).
+			PressEnter()
+
+		t.Views().RemoteBranches().IsFocused().Lines(
+			Contains("master").IsSelected(),
+		).
+			PressEnter()
+
+		t.Views().SubCommits().IsFocused().Lines(
+			Contains("new"),
+			Contains("one"),
+		)
+	},
+})

pkg/integration/tests/test_list.go

@@ -276,6 +276,7 @@ var tests = []*components.IntegrationTest{
 	sync.ForcePush,
 	sync.ForcePushMultipleMatching,
 	sync.ForcePushMultipleUpstream,
+	sync.ForcePushRemoteBranchNotStoredLocally,
 	sync.ForcePushTriangular,
 	sync.Pull,
 	sync.PullAndSetUpstream,