show build progress during watch rebuild

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>

cmd/compose/build.go

@@ -121,7 +121,7 @@ func buildCommand(p *ProjectOptions, dockerCli command.Cli, backend api.Service)
 	}
 	flags := cmd.Flags()
 	flags.BoolVar(&opts.push, "push", false, "Push service images")
-	flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Don't print anything to STDOUT")
+	flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Suppress the build output")
 	flags.BoolVar(&opts.pull, "pull", false, "Always attempt to pull a newer version of the image")
 	flags.StringArrayVar(&opts.args, "build-arg", []string{}, "Set build-time variables for services")
 	flags.StringVar(&opts.ssh, "ssh", "", "Set SSH authentications used when building service images. (use 'default' for using your default SSH Agent)")

cmd/compose/up.go

@@ -165,6 +165,7 @@ func upCommand(p *ProjectOptions, dockerCli command.Cli, backend api.Service) *c
 	flags.BoolVar(&create.recreateDeps, "always-recreate-deps", false, "Recreate dependent containers. Incompatible with --no-recreate.")
 	flags.BoolVarP(&create.noInherit, "renew-anon-volumes", "V", false, "Recreate anonymous volumes instead of retrieving data from the previous containers")
 	flags.BoolVar(&create.quietPull, "quiet-pull", false, "Pull without printing progress information")
+	flags.BoolVar(&build.quiet, "quiet-build", false, "Suppress the build output")
 	flags.StringArrayVar(&up.attach, "attach", []string{}, "Restrict attaching to the specified services. Incompatible with --attach-dependencies.")
 	flags.StringArrayVar(&up.noAttach, "no-attach", []string{}, "Do not attach (stream logs) to the specified services")
 	flags.BoolVar(&up.attachDependencies, "attach-dependencies", false, "Automatically attach to log output of dependent services")

docs/reference/compose_build.md

@@ -25,7 +25,7 @@ run `docker compose build` to rebuild it.
 | `--provenance`        | `string`      |         | Add a provenance attestation                                                                                |
 | `--pull`              | `bool`        |         | Always attempt to pull a newer version of the image                                                         |
 | `--push`              | `bool`        |         | Push service images                                                                                         |
-| `-q`, `--quiet`       | `bool`        |         | Don't print anything to STDOUT                                                                              |
+| `-q`, `--quiet`       | `bool`        |         | Suppress the build output                                                                                   |
 | `--sbom`              | `string`      |         | Add a SBOM attestation                                                                                      |
 | `--ssh`               | `string`      |         | Set SSH authentications used when building service images. (use 'default' for using your default SSH Agent) |
 | `--with-dependencies` | `bool`        |         | Also build dependencies (transitively)                                                                      |

docs/reference/compose_up.md

@@ -44,6 +44,7 @@ If the process is interrupted using `SIGINT` (ctrl + C) or `SIGTERM`, the contai
 | `--no-recreate`                | `bool`        |          | If containers already exist, don't recreate them. Incompatible with --force-recreate.                                                               |
 | `--no-start`                   | `bool`        |          | Don't start the services after creating them                                                                                                        |
 | `--pull`                       | `string`      | `policy` | Pull image before running ("always"\|"missing"\|"never")                                                                                            |
+| `--quiet-build`                | `bool`        |          | Suppress the build output                                                                                                                           |
 | `--quiet-pull`                 | `bool`        |          | Pull without printing progress information                                                                                                          |
 | `--remove-orphans`             | `bool`        |          | Remove containers for services not defined in the Compose file                                                                                      |
 | `-V`, `--renew-anon-volumes`   | `bool`        |          | Recreate anonymous volumes instead of retrieving data from the previous containers                                                                  |

docs/reference/docker_compose_build.yaml

@@ -158,7 +158,7 @@ options:
       shorthand: q
       value_type: bool
       default_value: "false"
-      description: Don't print anything to STDOUT
+      description: Suppress the build output
       deprecated: false
       hidden: false
       experimental: false

docs/reference/docker_compose_up.yaml

@@ -211,6 +211,16 @@ options:
       experimentalcli: false
       kubernetes: false
       swarm: false
+    - option: quiet-build
+      value_type: bool
+      default_value: "false"
+      description: Suppress the build output
+      deprecated: false
+      hidden: false
+      experimental: false
+      experimentalcli: false
+      kubernetes: false
+      swarm: false
     - option: quiet-pull
       value_type: bool
       default_value: "false"

pkg/api/api.go

@@ -19,6 +19,7 @@ package api
 import (
 	"context"
 	"fmt"
+	"io"
 	"slices"
 	"strings"
 	"time"
@@ -176,6 +177,8 @@ type BuildOptions struct {
 	Provenance string
 	// SBOM generate a SBOM attestation
 	SBOM string
+	// Out is the stream to write build progress
+	Out io.Writer
 }
 
 // Apply mutates project according to build options

pkg/compose/build_bake.go

@@ -130,11 +130,15 @@ type buildStatus struct {
 func (s *composeService) doBuildBake(ctx context.Context, project *types.Project, serviceToBeBuild types.Services, options api.BuildOptions) (map[string]string, error) { //nolint:gocyclo
 	eg := errgroup.Group{}
 	ch := make(chan *client.SolveStatus)
-	out := s.dockerCli.Out()
 	displayMode := progressui.DisplayMode(options.Progress)
-	if !out.IsTerminal() {
+	out := options.Out
+	if out == nil {
+		cout := s.dockerCli.Out()
+		if !cout.IsTerminal() {
 			displayMode = progressui.PlainMode
 		}
+		out = cout
+	}
 	display, err := progressui.NewDisplay(out, displayMode)
 	if err != nil {
 		return nil, err

pkg/compose/watch.go

@@ -29,14 +29,17 @@ import (
 	gsync "sync"
 	"time"
 
-	"github.com/compose-spec/compose-go/v2/types"
-	"github.com/compose-spec/compose-go/v2/utils"
-	ccli "github.com/docker/cli/cli/command/container"
 	pathutil "github.com/docker/compose/v2/internal/paths"
 	"github.com/docker/compose/v2/internal/sync"
 	"github.com/docker/compose/v2/internal/tracing"
 	"github.com/docker/compose/v2/pkg/api"
+	"github.com/docker/compose/v2/pkg/progress"
+	cutils "github.com/docker/compose/v2/pkg/utils"
 	"github.com/docker/compose/v2/pkg/watch"
+
+	"github.com/compose-spec/compose-go/v2/types"
+	"github.com/compose-spec/compose-go/v2/utils"
+	ccli "github.com/docker/cli/cli/command/container"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/filters"
 	"github.com/docker/docker/api/types/image"
@@ -61,7 +64,6 @@ func NewWatcher(project *types.Project, options api.UpOptions, w WatchFunc, cons
 
 		if service.Develop != nil && service.Develop.Watch != nil {
 			build := options.Create.Build
-			build.Quiet = true
 			return &Watcher{
 				project: project,
 				options: api.WatchOptions{
@@ -598,6 +600,10 @@ func (s *composeService) rebuild(ctx context.Context, project *types.Project, se
 	options.LogTo.Log(api.WatchLogger, fmt.Sprintf("Rebuilding service(s) %q after changes were detected...", services))
 	// restrict the build to ONLY this service, not any of its dependencies
 	options.Build.Services = services
+	options.Build.Progress = progress.ModePlain
+	options.Build.Out = cutils.GetWriter(func(line string) {
+		options.LogTo.Log(api.WatchLogger, line)
+	})
 
 	var (
 		imageNameToIdMap map[string]string