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unsource.go
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unsource.go
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
// Licensed under the BSD-3-Clause License (the "License").
// You may not use this file except in compliance with the License.
// Package unsource implements the `kraft pkg unsource` command
package unsource
import (
"context"
"github.com/MakeNowJust/heredoc"
"github.com/spf13/cobra"
"kraftkit.sh/cmdfactory"
"kraftkit.sh/config"
"kraftkit.sh/log"
"kraftkit.sh/packmanager"
)
type UnsourceOptions struct{}
// NewCmd returns a new unsource command
func NewCmd() *cobra.Command {
cmd, err := cmdfactory.New(&UnsourceOptions{}, cobra.Command{
Short: "Remove Unikraft component manifests",
Use: "unsource [FLAGS] [SOURCE]",
Args: cmdfactory.MinimumArgs(1, "must specify component or manifest"),
Example: heredoc.Docf(`
# Remove a single component as a Git repository or manifest
$ kraft pkg unsource https://github.com/unikraft/unikraft.git
$ kraft pkg unsource https://manifests.kraftkit.sh/index.yaml
`),
Annotations: map[string]string{
cmdfactory.AnnotationHelpGroup: "pkg",
},
})
if err != nil {
panic(err)
}
return cmd
}
// Unsource a remote location representing one-or-many Unikraft components.
func Unsource(ctx context.Context, opts *UnsourceOptions, args ...string) error {
if opts == nil {
opts = &UnsourceOptions{}
}
return opts.Run(ctx, args)
}
func (*UnsourceOptions) Pre(cmd *cobra.Command, _ []string) error {
ctx, err := packmanager.WithDefaultUmbrellaManagerInContext(cmd.Context())
if err != nil {
return err
}
cmd.SetContext(ctx)
return nil
}
// Run executes the unsource command
func (opts *UnsourceOptions) Run(ctx context.Context, args []string) error {
for _, source := range args {
manifests := []string{}
var manifestRemoved bool
for _, manifest := range config.G[config.KraftKit](ctx).Unikraft.Manifests {
if source != manifest {
manifests = append(manifests, manifest)
} else {
manifestRemoved = true
}
}
if !manifestRemoved {
log.G(ctx).Warnf("manifest not found: %s", source)
return nil
}
config.G[config.KraftKit](ctx).Unikraft.Manifests = manifests
if err := config.M[config.KraftKit](ctx).Write(false); err != nil {
return err
}
}
return nil
}