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history.go
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history.go
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// Copyright 2021 PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package packager
import (
"fmt"
"os"
"path"
"strings"
)
type Histroy struct {
file string
list []string
}
func LoadHistroy() (*Histroy, error) {
dir := os.Getenv("TIUP_COMPONENT_DATA_DIR")
if dir == "" {
dir = path.Join(os.Getenv("HOME"), ".clinic")
}
if err := os.MkdirAll(dir, 0755); err != nil {
return nil, err
}
file := path.Join(dir, "history.txt")
data, err := os.ReadFile(file)
if err != nil && !os.IsNotExist(err) {
return nil, err
}
list := strings.Split(string(data), "\n")
return &Histroy{file, list}, nil
}
func (h *Histroy) Push(url string) {
h.list = append([]string{url}, h.list...)
}
func (h *Histroy) Store() error {
list := h.list
if len(list) > 10 {
list = list[:10]
}
return os.WriteFile(h.file, []byte(strings.Join(list, "\n")), 0600)
}
func (h *Histroy) PrintList() {
for _, url := range h.list {
fmt.Println(url)
}
}