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genautocomplete.go
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genautocomplete.go
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// Copyright © 2016 Wei Shen <shenwei356@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 cmd
import (
"fmt"
"os"
"path/filepath"
homedir "github.com/mitchellh/go-homedir"
"github.com/shenwei356/util/pathutil"
"github.com/spf13/cobra"
)
// genautocompleteCmd represents the fq2fa command
var genautocompleteCmd = &cobra.Command{
Use: "genautocomplete",
Short: "generate shell autocompletion script",
Long: `generate shell autocompletion script
Note: The current version supports Bash only.
This should work for *nix systems with Bash installed.
Howto:
1. run: csvtk genautocomplete
2. create and edit ~/.bash_completion file if you don't have it.
nano ~/.bash_completion
add the following:
for bcfile in ~/.bash_completion.d/* ; do
. $bcfile
done
`,
Run: func(cmd *cobra.Command, args []string) {
autocompleteTarget := getFlagString(cmd, "file")
autocompleteType := getFlagString(cmd, "type")
if autocompleteType != "bash" {
checkError(fmt.Errorf("only Bash is supported for now"))
}
dir := filepath.Dir(autocompleteTarget)
ok, err := pathutil.DirExists(dir)
checkError(err)
if !ok {
os.MkdirAll(dir, 0744)
}
checkError(cmd.Root().GenBashCompletionFile(autocompleteTarget))
log.Infof("bash completion file for csvtk saved to %s", autocompleteTarget)
},
}
func init() {
RootCmd.AddCommand(genautocompleteCmd)
defaultCompletionFile, err := homedir.Expand("~/.bash_completion.d/csvtk.sh")
checkError(err)
genautocompleteCmd.Flags().StringP("file", "", defaultCompletionFile, "autocompletion file")
genautocompleteCmd.Flags().StringP("type", "", "bash", "autocompletion type (currently only bash supported)")
}