dotcloud/docker

package remotecontext // import "github.com/docker/docker/builder/remotecontext"

import (
    "context"
    "os"

    "github.com/containerd/log"
    "github.com/docker/docker/builder"
    "github.com/docker/docker/builder/remotecontext/git"
    "github.com/docker/docker/pkg/archive"
)

// MakeGitContext returns a Context from gitURL that is cloned in a temporary directory.
func MakeGitContext(gitURL string) (builder.Source, error) {
    root, err := git.Clone(gitURL, git.WithIsolatedConfig(true))
    if err != nil {
        return nil, err
    }

    c, err := archive.Tar(root, archive.Uncompressed)
    if err != nil {
        return nil, err
    }

    defer func() {
        err := c.Close()
        if err != nil {
            log.G(context.TODO()).WithField("action", "MakeGitContext").WithField("module", "builder").WithField("url", gitURL).WithError(err).Error("error while closing git context")
        }
        err = os.RemoveAll(root)
        if err != nil {
            log.G(context.TODO()).WithField("action", "MakeGitContext").WithField("module", "builder").WithField("url", gitURL).WithError(err).Error("error while removing path and children of root")
        }
    }()
    return FromArchive(c)
}