refactor: move package from internal/sideflip to internal/ (#3000)

Now that legacy librarian packages live in internal/legacylibrarian/,
move packages from internal/sideflip up on level.

Author: julieqiu

cmd/sideflip/main.go

@@ -20,13 +20,13 @@ import (
 	"log/slog"
 	"os"
 
-	"github.com/googleapis/librarian/internal/sideflip/sideflip"
+	"github.com/googleapis/librarian/internal/librarian"
 )
 
 func main() {
 	ctx := context.Background()
-	if err := sideflip.Run(ctx, os.Args[1:]...); err != nil {
-		slog.Error("sideflip command failed", "err", err)
+	if err := librarian.Run(ctx, os.Args[1:]...); err != nil {
+		slog.Error("librarian command failed", "err", err)
 		os.Exit(1)
 	}
 }

internal/sideflip/config/config.go renamed to internal/config/config.go

@@ -17,7 +17,7 @@ package rust
 import (
 	"strings"
 
-	"github.com/googleapis/librarian/internal/sideflip/config"
+	"github.com/googleapis/librarian/internal/config"
 	sidekickconfig "github.com/googleapis/librarian/internal/sidekick/config"
 )
 

internal/sideflip/config/config_test.go renamed to internal/config/config_test.go

@@ -18,7 +18,7 @@ import (
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
-	"github.com/googleapis/librarian/internal/sideflip/config"
+	"github.com/googleapis/librarian/internal/config"
 	sidekickconfig "github.com/googleapis/librarian/internal/sidekick/config"
 )
 

internal/sideflip/config/language.go renamed to internal/config/language.go

@@ -12,9 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package sideflip provides functionality for onboarding, generating and
+// Package librarian provides functionality for onboarding, generating and
 // releasing Google Cloud client libraries.
-package sideflip
+package librarian
 
 import (
 	"context"

internal/sideflip/config/repometadata.go renamed to internal/config/repometadata.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package sideflip
+package librarian
 
 import (
 	_ "embed"