mirror of
https://github.com/dolthub/dolt.git
synced 2025-12-30 16:12:39 -06:00
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
// Copyright 2019 Liquidata, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package doltops contains functions for performing dolt operations
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// using the CLI.
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package doltops
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import (
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"bufio"
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"fmt"
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"os/exec"
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"github.com/dolthub/dolt/go/cmd/git-dolt/utils"
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)
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// Clone clones the specified dolt remote, streaming the output from dolt clone to stdout.
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func Clone(remote string) error {
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cmd := exec.Command("dolt", "clone", remote)
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if err := runAndStreamOutput(cmd, "dolt clone"); err != nil {
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return err
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}
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return nil
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}
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// CloneToRevision clones the specified dolt remote and checks it out to the specified revision.
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// It streams the output from dolt clone and dolt checkout to stdout.
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func CloneToRevision(remote string, revision string) error {
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if err := Clone(remote); err != nil {
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return err
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}
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dirname := utils.LastSegment(remote)
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checkoutCmd := exec.Command("dolt", "checkout", "-b", "git-dolt-pinned", revision)
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checkoutCmd.Dir = dirname
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if err := runAndStreamOutput(checkoutCmd, "dolt checkout"); err != nil {
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return err
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}
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return nil
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}
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func runAndStreamOutput(cmd *exec.Cmd, name string) error {
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cmdReader, err := cmd.StdoutPipe()
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if err != nil {
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return fmt.Errorf("error creating StdoutPipe for %s: %v", name, err)
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}
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scanner := bufio.NewScanner(cmdReader)
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go func() {
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for scanner.Scan() {
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fmt.Println(scanner.Text())
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}
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}()
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if err := cmd.Start(); err != nil {
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return fmt.Errorf("error starting %s: %v", name, err)
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}
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if err := cmd.Wait(); err != nil {
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return fmt.Errorf("error waiting for %s: %v", name, err)
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}
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return nil
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}
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// CloneToRevisionSilent clones the specified dolt remote and checks it out to the specified revision,
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// suppressing all output from dolt clone and dolt checkout.
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func CloneToRevisionSilent(remote string, revision string) error {
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if err := exec.Command("dolt", "clone", remote).Run(); err != nil {
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return fmt.Errorf("error cloning remote repository at %s: %v", remote, err)
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}
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dirname := utils.LastSegment(remote)
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checkoutCmd := exec.Command("dolt", "checkout", "-b", "git-dolt-pinned", revision)
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checkoutCmd.Dir = dirname
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if err := checkoutCmd.Run(); err != nil {
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return fmt.Errorf("error checking out revision %s in directory %s: %v", revision, dirname, err)
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}
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return nil
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}
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