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/*
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 compose
import (
"context"
"fmt"
"os"
"github.com/compose-spec/compose-go/v2/types"
"github.com/docker/cli/cli/command"
"github.com/morikuni/aec"
"github.com/spf13/cobra"
"github.com/docker/compose/v2/pkg/api"
)
type pullOptions struct {
*ProjectOptions
composeOptions
quiet bool
parallel bool
noParallel bool
includeDeps bool
ignorePullFailures bool
noBuildable bool
policy string
}
func pullCommand(p *ProjectOptions, dockerCli command.Cli, backend api.Service) *cobra.Command {
opts := pullOptions{
ProjectOptions: p,
}
cmd := &cobra.Command{
Use: "pull [OPTIONS] [SERVICE...]",
Short: "Pull service images",
PreRunE: Adapt(func(ctx context.Context, args []string) error {
if opts.noParallel {
fmt.Fprint(os.Stderr, aec.Apply("option '--no-parallel' is DEPRECATED and will be ignored.\n", aec.RedF))
}
return nil
}),
RunE: Adapt(func(ctx context.Context, args []string) error {
return runPull(ctx, dockerCli, backend, opts, args)
}),
ValidArgsFunction: completeServiceNames(dockerCli, p),
}
flags := cmd.Flags()
flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Pull without printing progress information")
cmd.Flags().BoolVar(&opts.includeDeps, "include-deps", false, "Also pull services declared as dependencies")
cmd.Flags().BoolVar(&opts.parallel, "parallel", true, "DEPRECATED pull multiple images in parallel")
flags.MarkHidden("parallel") //nolint:errcheck
cmd.Flags().BoolVar(&opts.parallel, "no-parallel", true, "DEPRECATED disable parallel pulling")
flags.MarkHidden("no-parallel") //nolint:errcheck
cmd.Flags().BoolVar(&opts.ignorePullFailures, "ignore-pull-failures", false, "Pull what it can and ignores images with pull failures")
cmd.Flags().BoolVar(&opts.noBuildable, "ignore-buildable", false, "Ignore images that can be built")
cmd.Flags().StringVar(&opts.policy, "policy", "", `Apply pull policy ("missing"|"always")`)
return cmd
}
func (opts pullOptions) apply(project *types.Project, services []string) (*types.Project, error) {
if !opts.includeDeps {
var err error
project, err = project.WithSelectedServices(services, types.IgnoreDependencies)
if err != nil {
return nil, err
}
}
if opts.policy != "" {
for i, service := range project.Services {
if service.Image == "" {
continue
}
service.PullPolicy = opts.policy
project.Services[i] = service
}
}
return project, nil
}
func runPull(ctx context.Context, dockerCli command.Cli, backend api.Service, opts pullOptions, services []string) error {
project, _, err := opts.ToProject(ctx, dockerCli, services)
if err != nil {
return err
}
project, err = opts.apply(project, services)
if err != nil {
return err
}
return backend.Pull(ctx, project, api.PullOptions{
Quiet: opts.quiet,
IgnoreFailures: opts.ignorePullFailures,
IgnoreBuildable: opts.noBuildable,
})
}
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