Merge pull request #1734 from jedevc/more-ssh-context-fixes

Various context fixups

bake/bake.go

@@ -1102,7 +1102,7 @@ func toBuildOpt(t *Target, inp *Input) (*build.Options, error) {
 	if err != nil {
 		return nil, err
 	}
-	if len(sshSpecs) == 0 && buildflags.IsGitSSH(contextPath) {
+	if len(sshSpecs) == 0 && (buildflags.IsGitSSH(bi.ContextPath) || (inp != nil && buildflags.IsGitSSH(inp.URL))) {
 		sshSpecs = append(sshSpecs, &controllerapi.SSH{ID: "default"})
 	}
 	sshAttachment, err := controllerapi.CreateSSH(sshSpecs)

commands/build.go

@@ -30,6 +30,7 @@ import (
 	"github.com/docker/cli/cli"
 	"github.com/docker/cli/cli/command"
 	dockeropts "github.com/docker/cli/opts"
+	"github.com/docker/docker/builder/remotecontext/urlutil"
 	"github.com/docker/docker/pkg/ioutils"
 	"github.com/moby/buildkit/client"
 	"github.com/moby/buildkit/exporter/containerimage/exptypes"
@@ -689,9 +690,11 @@ func resolvePaths(options *controllerapi.BuildOptions) (_ *controllerapi.BuildOp
 		}
 	}
 	if options.DockerfileName != "" && options.DockerfileName != "-" {
-		options.DockerfileName, err = filepath.Abs(options.DockerfileName)
-		if err != nil {
-			return nil, err
+		if !urlutil.IsURL(options.DockerfileName) {
+			options.DockerfileName, err = filepath.Abs(options.DockerfileName)
+			if err != nil {
+				return nil, err
+			}
 		}
 	}
 	var contexts map[string]string