github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/cmd/git-dolt/commands/link.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 commands
    16  
    17  import (
    18  	"fmt"
    19  
    20  	"github.com/dolthub/dolt/go/cmd/git-dolt/config"
    21  	"github.com/dolthub/dolt/go/cmd/git-dolt/doltops"
    22  	"github.com/dolthub/dolt/go/cmd/git-dolt/env"
    23  	"github.com/dolthub/dolt/go/cmd/git-dolt/utils"
    24  )
    25  
    26  // Link creates a git-dolt pointer file linking the given dolt remote
    27  // to the current git repository.
    28  func Link(remote string) error {
    29  	if err := doltops.Clone(remote); err != nil {
    30  		return err
    31  	}
    32  
    33  	dirname := utils.LastSegment(remote)
    34  	revision, err := utils.CurrentRevision(dirname)
    35  	if err != nil {
    36  		return err
    37  	}
    38  
    39  	c := config.GitDoltConfig{Version: env.Version, Remote: remote, Revision: revision}
    40  	if err := config.Write(dirname, c.String()); err != nil {
    41  		return err
    42  	}
    43  
    44  	if err := utils.AppendToFile(".gitignore", dirname); err != nil {
    45  		return err
    46  	}
    47  
    48  	fmt.Printf("\nDolt repository linked!\n\n")
    49  	fmt.Printf("* Repository cloned to %s at revision %s\n", dirname, revision)
    50  	fmt.Printf("* Pointer file created at %s.git-dolt\n", dirname)
    51  	fmt.Printf("* %s added to .gitignore\n\n", dirname)
    52  	fmt.Println("You should git commit these results.")
    53  	return nil
    54  }