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repo_update.go
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repo_update.go
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/*
Copyright The Helm 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 utils
import (
"fmt"
"github.com/hinfinite/helm/pkg/cli"
"io"
"sync"
"github.com/hinfinite/helm/pkg/getter"
"github.com/hinfinite/helm/pkg/repo"
"github.com/pkg/errors"
)
var (
settings = cli.New()
)
var errNoRepositories = errors.New("no repositories found. You must add one before updating")
type repoUpdateOptions struct {
update func([]*repo.ChartRepository, io.Writer)
repoFile string
}
func (o *repoUpdateOptions) run(out io.Writer) error {
f, err := repo.LoadFile(o.repoFile)
if isNotExist(err) || len(f.Repositories) == 0 {
return errNoRepositories
}
var repos []*repo.ChartRepository
for _, cfg := range f.Repositories {
r, err := repo.NewChartRepository(cfg, getter.All(settings))
if err != nil {
return err
}
repos = append(repos, r)
}
o.update(repos, out)
return nil
}
func updateCharts(repos []*repo.ChartRepository, out io.Writer) {
fmt.Fprintln(out, "Hang tight while we grab the latest from your chart repositories...")
var wg sync.WaitGroup
for _, re := range repos {
wg.Add(1)
go func(re *repo.ChartRepository) {
defer wg.Done()
if _, _, err := re.DownloadIndexFile(); err != nil {
fmt.Fprintf(out, "...Unable to get an update from the %q chart repository (%s):\n\t%s\n", re.Config.Name, re.Config.URL, err)
} else {
fmt.Fprintf(out, "...Successfully got an update from the %q chart repository\n", re.Config.Name)
}
}(re)
}
wg.Wait()
fmt.Fprintln(out, "Update Complete. ⎈ Happy Helming!⎈ ")
}