Refactor to tighten interface to lazygit daemon

pkg/app/daemon/rebase.go

@@ -0,0 +1,64 @@
+package daemon
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/fsmiamoto/git-todo-parser/todo"
+	"github.com/jesseduffield/generics/slices"
+	"github.com/jesseduffield/lazygit/pkg/commands/models"
+	"github.com/jesseduffield/lazygit/pkg/common"
+	"github.com/jesseduffield/lazygit/pkg/env"
+)
+
+type TodoLine struct {
+	Action string
+	Commit *models.Commit
+}
+
+func (self *TodoLine) ToString() string {
+	if self.Action == "break" {
+		return self.Action + "\n"
+	} else {
+		return self.Action + " " + self.Commit.Sha + " " + self.Commit.Name + "\n"
+	}
+}
+
+func TodoLinesToString(todoLines []TodoLine) string {
+	lines := slices.Map(todoLines, func(todoLine TodoLine) string {
+		return todoLine.ToString()
+	})
+
+	return strings.Join(slices.Reverse(lines), "")
+}
+
+type ChangeTodoAction struct {
+	Sha       string
+	NewAction todo.TodoCommand
+}
+
+func handleInteractiveRebase(common *common.Common, f func(path string) error) error {
+	common.Log.Info("Lazygit invoked as interactive rebase demon")
+	common.Log.Info("args: ", os.Args)
+	path := os.Args[1]
+
+	if strings.HasSuffix(path, "git-rebase-todo") {
+		return f(path)
+	} else if strings.HasSuffix(path, filepath.Join(gitDir(), "COMMIT_EDITMSG")) { // TODO: test
+		// if we are rebasing and squashing, we'll see a COMMIT_EDITMSG
+		// but in this case we don't need to edit it, so we'll just return
+	} else {
+		common.Log.Info("Lazygit demon did not match on any use cases")
+	}
+
+	return nil
+}
+
+func gitDir() string {
+	dir := env.GetGitDirEnv()
+	if dir == "" {
+		return ".git"
+	}
+	return dir
+}