github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/store/cmd/noms/noms_blob.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  // This file incorporates work covered by the following copyright and
    16  // permission notice:
    17  //
    18  // Copyright 2016 Attic Labs, Inc. All rights reserved.
    19  // Licensed under the Apache License, version 2.0:
    20  // http://www.apache.org/licenses/LICENSE-2.0
    21  
    22  package main
    23  
    24  import (
    25  	"context"
    26  	"runtime"
    27  	"strconv"
    28  
    29  	"github.com/attic-labs/kingpin"
    30  
    31  	"github.com/dolthub/dolt/go/store/cmd/noms/util"
    32  	"github.com/dolthub/dolt/go/store/d"
    33  )
    34  
    35  func nomsBlob(ctx context.Context, noms *kingpin.Application) (*kingpin.CmdClause, util.KingpinHandler) {
    36  	blob := noms.Command("blob", "interact with blobs")
    37  
    38  	blobPut := blob.Command("put", "imports a blob to a dataset")
    39  	concurrency := blobPut.Flag("concurrency", "number of concurrent HTTP calls to retrieve remote resources").Default(strconv.Itoa(runtime.NumCPU())).Int()
    40  	putFile := blobPut.Arg("file", "a file to import").Required().String()
    41  	putDs := blobPut.Arg("dataset", "the path to import to").Required().String()
    42  
    43  	blobGet := blob.Command("export", "exports a blob from a dataset")
    44  	getDs := blobGet.Arg("dataset", "the dataset to export").Required().String()
    45  	getPath := blobGet.Arg("file", "an optional file to save the blob to").String()
    46  
    47  	return blob, func(input string) int {
    48  		switch input {
    49  		case blobPut.FullCommand():
    50  			return nomsBlobPut(ctx, *putFile, *putDs, *concurrency)
    51  		case blobGet.FullCommand():
    52  			return nomsBlobGet(ctx, *getDs, *getPath)
    53  		}
    54  		d.Panic("notreached")
    55  		return 1
    56  	}
    57  }