register TTYWritter as an Event Processor

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

pkg/progress/progress.go

@@ -0,0 +1,53 @@
+/*
+   Copyright 2020 Docker Compose CLI authors
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package progress
+
+import (
+	"context"
+
+	"github.com/docker/compose/v2/pkg/api"
+)
+
+type progressFunc func(context.Context) error
+
+func RunWithLog(ctx context.Context, pf progressFunc, operation string, bus EventProcessor, logConsumer api.LogConsumer) error {
+	// FIXME(ndeloof) re-implement support for logs during stop sequence
+	return pf(ctx)
+}
+
+func Run(ctx context.Context, pf progressFunc, operation string, bus EventProcessor) error {
+	bus.Start(ctx, operation)
+	err := pf(ctx)
+	bus.Done(operation, err != nil)
+	return err
+}
+
+const (
+	// ModeAuto detect console capabilities
+	ModeAuto = "auto"
+	// ModeTTY use terminal capability for advanced rendering
+	ModeTTY = "tty"
+	// ModePlain dump raw events to output
+	ModePlain = "plain"
+	// ModeQuiet don't display events
+	ModeQuiet = "quiet"
+	// ModeJSON outputs a machine-readable JSON stream
+	ModeJSON = "json"
+)
+
+// Mode define how progress should be rendered, either as ModePlain or ModeTTY
+var Mode = ModeAuto