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lgconfig.go
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lgconfig.go
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// Copyright © 2018 Jesse Swidler <jswidler@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package content
import (
"encoding/json"
"io/ioutil"
"sort"
"github.com/jswidler/lockgit/pkg/log"
"github.com/nu7hatch/gouuid"
"github.com/pkg/errors"
)
type LgConfig struct {
Ver int
Id string
Patterns []string
}
func NewLgConfig() LgConfig {
id, err := uuid.NewV4()
log.FatalPanic(err)
return LgConfig{
Ver: 1,
Id: id.String(),
Patterns: nil,
}
}
func (c *LgConfig) AddPattern(pattern string) bool {
if c.Patterns == nil {
c.Patterns = []string{pattern}
return true
}
if c.FindPattern(pattern) < 0 {
c.Patterns = append(c.Patterns, pattern)
sort.Strings(c.Patterns)
return true
}
return false
}
func (c *LgConfig) RemovePattern(pattern string) bool {
i := c.FindPattern(pattern)
if i >= 0 {
c.Patterns = append(c.Patterns[:i], c.Patterns[i+1:]...)
return true
}
return false
}
func (c LgConfig) FindPattern(path string) int {
i := sort.Search(len(c.Patterns), func(i int) bool { return c.Patterns[i] >= path })
if i < len(c.Patterns) && c.Patterns[i] == path {
return i
}
return -1
}
func (config LgConfig) Write(path string) {
filedata, err := json.Marshal(config)
log.FatalPanic(err)
err = ioutil.WriteFile(path, filedata, 0644)
log.FatalPanic(err)
}
func ReadConfig(ctx Context) (LgConfig, error) {
config := LgConfig{}
filedata, err := ioutil.ReadFile(ctx.ConfigPath)
if err != nil {
return config, err
}
err = json.Unmarshal(filedata, &config)
if err != nil {
return config, err
}
// Validate config expectations
if config.Id == "" {
return config, errors.New("no vault id found in ldconfig")
}
return config, nil
}