tulir/gomuks

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lib/filepicker/filepicker.go

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// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2022 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

package filepicker

import (
    "bytes"
    "errors"
    "os/exec"
    "strings"
)

var zenity string

func init() {
    zenity, _ = exec.LookPath("zenity")
}

func IsSupported() bool {
    return len(zenity) > 0
}

func Open() (string, error) {
    cmd := exec.Command(zenity, "--file-selection")
    var output bytes.Buffer
    cmd.Stdout = &output
    err := cmd.Run()
    if err != nil {
        var exitErr *exec.ExitError
        if errors.As(err, &exitErr) && exitErr.ExitCode() == 1 {
            return "", nil
        }
        return "", err
    }
    return strings.TrimSpace(output.String()), nil
}