github.com/wmuizelaar/kpt@v0.0.0-20221018115725-bd564717b2ed/internal/util/update/common.go (about)

     1  // Copyright 2021 Google LLC
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package update
    16  
    17  import (
    18  	"reflect"
    19  
    20  	"github.com/GoogleContainerTools/kpt/internal/errors"
    21  	"github.com/GoogleContainerTools/kpt/internal/pkg"
    22  	"github.com/GoogleContainerTools/kpt/internal/types"
    23  	"sigs.k8s.io/kustomize/kyaml/filesys"
    24  )
    25  
    26  // PkgHasUpdatedUpstream checks if the the local package has different
    27  // upstream information than origin.
    28  func PkgHasUpdatedUpstream(local, origin string) (bool, error) {
    29  	const op errors.Op = "update.PkgHasUpdatedUpstream"
    30  	originKf, err := pkg.ReadKptfile(filesys.FileSystemOrOnDisk{}, origin)
    31  	if err != nil {
    32  		return false, errors.E(op, types.UniquePath(local), err)
    33  	}
    34  
    35  	localKf, err := pkg.ReadKptfile(filesys.FileSystemOrOnDisk{}, local)
    36  	if err != nil {
    37  		return false, errors.E(op, types.UniquePath(local), err)
    38  	}
    39  
    40  	// If the upstream information in local has changed from origin, it
    41  	// means the user had updated the package independently and we don't
    42  	// want to override it.
    43  	if !reflect.DeepEqual(localKf.Upstream.Git, originKf.Upstream.Git) {
    44  		return true, nil
    45  	}
    46  	return false, nil
    47  }