github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/libraries/doltcore/env/remotes.go (about)

     1  // Copyright 2019 Dolthub, Inc.
     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 env
    16  
    17  import (
    18  	"context"
    19  
    20  	"github.com/dolthub/dolt/go/libraries/doltcore/dbfactory"
    21  	"github.com/dolthub/dolt/go/libraries/doltcore/doltdb"
    22  	"github.com/dolthub/dolt/go/store/types"
    23  )
    24  
    25  var NoRemote = Remote{}
    26  
    27  func IsEmptyRemote(r Remote) bool {
    28  	return len(r.Name) == 0 && len(r.Url) == 0 && r.FetchSpecs == nil && r.Params == nil
    29  }
    30  
    31  type Remote struct {
    32  	Name       string            `json:"name"`
    33  	Url        string            `json:"url"`
    34  	FetchSpecs []string          `json:"fetch_specs"`
    35  	Params     map[string]string `json:"params"`
    36  }
    37  
    38  func NewRemote(name, url string, params map[string]string) Remote {
    39  	return Remote{name, url, []string{"refs/heads/*:refs/remotes/" + name + "/*"}, params}
    40  }
    41  
    42  func (r *Remote) GetParam(pName string) (string, bool) {
    43  	val, ok := r.Params[pName]
    44  	return val, ok
    45  }
    46  
    47  func (r *Remote) GetParamOrDefault(pName, defVal string) string {
    48  	val, ok := r.Params[pName]
    49  
    50  	if !ok {
    51  		return defVal
    52  	}
    53  
    54  	return val
    55  }
    56  
    57  func (r *Remote) GetRemoteDB(ctx context.Context, nbf *types.NomsBinFormat) (*doltdb.DoltDB, error) {
    58  	return doltdb.LoadDoltDBWithParams(ctx, nbf, r.Url, r.Params)
    59  }
    60  
    61  func (r *Remote) GetRemoteDBWithoutCaching(ctx context.Context, nbf *types.NomsBinFormat) (*doltdb.DoltDB, error) {
    62  	params := make(map[string]string)
    63  	for k, v := range r.Params {
    64  		params[k] = v
    65  	}
    66  	params[dbfactory.NoCachingParameter] = "true"
    67  	return doltdb.LoadDoltDBWithParams(ctx, nbf, r.Url, params)
    68  }