Add step to change permissions of workspace files to current user.

runner/runner.go

@@ -2,10 +2,13 @@ package runner
 
 import (
 	"context"
+	"fmt"
 	"os"
 	"os/signal"
+	"os/user"
 	"syscall"
 
+	"github.com/efritz/ij/command"
 	"github.com/efritz/ij/config"
 	"github.com/efritz/ij/logging"
 	"github.com/efritz/ij/paths"
@@ -24,6 +27,8 @@ type Runner struct {
 	env               []string
 }
 
+const FlashPermissionsImage = "alpine:3.8"
+
 var shutdownSignals = []syscall.Signal{
 	syscall.SIGINT,
 	syscall.SIGTERM,
@@ -78,7 +83,10 @@ func (r *Runner) Run(plans []string) bool {
 		r.logger,
 	)
 
-	r.logger.Info(nil, "Importing files to workspace")
+	r.logger.Info(
+		nil,
+		"Importing files to workspace",
+	)
 
 	importErr := transferer.Import(
 		r.config.Import.Files,
@@ -117,11 +125,27 @@ func (r *Runner) Run(plans []string) bool {
 		}
 	}
 
+	r.logger.Info(
+		nil,
+		"Flashing workspace permissions",
+	)
+
+	if err := r.flashPermissions(); err != nil {
+		r.logger.Error(
+			nil,
+			"Failed to flash workspace permissions: %s",
+			err.Error(),
+		)
+	}
+
 	if failure {
 		return false
 	}
 
-	r.logger.Info(nil, "Exporting files from workspace")
+	r.logger.Info(
+		nil,
+		"Exporting files from workspace",
+	)
 
 	exportErr := transferer.Export(
 		r.config.Export.Files,
@@ -158,3 +182,33 @@ func (r *Runner) watchSignals() {
 		return
 	}
 }
+
+func (r *Runner) flashPermissions() error {
+	user, err := user.Current()
+	if err != nil {
+		return err
+	}
+
+	builder := command.NewBuilder([]string{
+		"docker",
+		"run",
+		"--rm",
+	}, nil)
+
+	builder.AddArgs(FlashPermissionsImage)
+	builder.AddArgs("chown", fmt.Sprintf("%s:%s", user.Uid, user.Gid), "-R", ".")
+	builder.AddFlagValue("-w", "/workspace")
+	builder.AddFlagValue("-v", fmt.Sprintf("%s:/workspace", r.scratch.Workspace()))
+
+	args, _, err := builder.Build()
+	if err != nil {
+		return err
+	}
+
+	return command.NewRunner(r.logger).Run(
+		r.ctx,
+		args,
+		nil,
+		nil,
+	)
+}