/
map.go
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/
map.go
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/*
Copyright © 2023 Intercube <opensource@intercube.io>
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 cmd
import (
"fmt"
"github.com/spf13/cobra"
"os"
)
var override = false
var mapCmd = &cobra.Command{
Use: "map",
Short: "Maps files based on config yaml file",
Run: func(cmd *cobra.Command, args []string) {
for _, mapping := range config.Mappings {
symlink(mapping.From, mapping.To)
}
},
}
func init() {
rootCmd.AddCommand(mapCmd)
mapCmd.PersistentFlags().BoolVarP(&override, "override", "o", false, "Overrides existing destination file")
}
func symlink(from string, to string) {
if !fileExists(from) {
fmt.Print(fmt.Errorf("Origin file %v does not exists\n", to))
} else {
if !fileExists(to) || override {
if override {
if destination, err := os.Lstat(to); err == nil {
if destination.IsDir() {
os.RemoveAll(to)
fmt.Printf("Removed directory %v\n", to)
} else {
os.Remove(to)
fmt.Printf("Removed file %v\n", to)
}
}
}
err := os.Symlink(from, to)
if err != nil {
panic(fmt.Errorf("Unable to map: %s \n", err))
} else {
fmt.Printf("Mapped %v to %v\n", from, to)
}
} else {
fmt.Print(fmt.Errorf("Destination file %v already exists\n", to))
}
}
}
func fileExists(filename string) bool {
_, err := os.Stat(filename)
return !os.IsNotExist(err)
}