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zsh.go
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zsh.go
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// Copyright 2022 The envd 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 shell
import (
_ "embed"
"path/filepath"
"github.com/cockroachdb/errors"
"github.com/go-git/go-git/v5"
"github.com/sirupsen/logrus"
"github.com/tensorchord/envd/pkg/home"
"github.com/tensorchord/envd/pkg/util/fileutil"
)
const (
cacheKey = "oh-my-zsh"
)
//go:embed install.sh
var installScript string
//go:embed zshrc
var zshrc string
type Manager interface {
ZSHRC() string
InstallScript() string
DownloadOrCache() (bool, error)
OHMyZSHDir() string
}
type generalManager struct {
}
func NewManager() Manager {
return &generalManager{}
}
func (m generalManager) InstallScript() string {
return installScript
}
func (m generalManager) ZSHRC() string {
return zshrc
}
func (m generalManager) DownloadOrCache() (bool, error) {
if home.GetManager().Cached(cacheKey) {
logrus.WithFields(logrus.Fields{
"cache-dir": m.OHMyZSHDir(),
}).Debug("oh-my-zsh already exists in cache")
return true, nil
}
url := "https://github.com/ohmyzsh/ohmyzsh"
l := logrus.WithFields(logrus.Fields{
"cache-dir": m.OHMyZSHDir(),
"URL": url,
})
// Cleanup the cache dir.
if fileutil.RemoveAll(m.OHMyZSHDir()) != nil {
return false, errors.New("failed to remove oh-my-zsh dir")
}
l.Debug("cache miss, downloading oh-my-zsh")
_, err := git.PlainClone(m.OHMyZSHDir(), false, &git.CloneOptions{
URL: url,
Depth: 1,
})
if err != nil {
return false, err
}
if err := home.GetManager().MarkCache(cacheKey, true); err != nil {
return false, errors.Wrap(err, "failed to update cache status")
}
l.Debug("oh-my-zsh is downloaded")
return false, nil
}
func (m generalManager) OHMyZSHDir() string {
return filepath.Join(home.GetManager().CacheDir(), "oh-my-zsh")
}