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rewrote config file path search (#219)

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added comment to clarify coding choices

added package xdg to vendor folder

rewrote config file path search

Co-authored-by: crapStone <crapstone01@gmail.com>
Reviewed-on: https://gitea.com/gitea/tea/pulls/219
Reviewed-by: 6543 <6543@noreply.gitea.io>
Reviewed-by: Norwin <noerw@noreply.gitea.io>
This commit is contained in:
crapStone
2020-10-06 13:06:47 +00:00
committed by 6543
parent cbd1bccbf9
commit c4e2db32b5
19 changed files with 1059 additions and 120 deletions
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95
modules/utils/home.go
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@ -1,95 +0,0 @@
// Copyright 2018 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package utils
import (
"bytes"
"errors"
"os"
"os/exec"
"os/user"
"runtime"
"strconv"
"strings"
)
// Home returns the home directory for the executing user.
//
// This uses an OS-specific method for discovering the home directory.
// An error is returned if a home directory cannot be detected.
func Home() (string, error) {
user, err := user.Current()
if nil == err {
return user.HomeDir, nil
}
// cross compile support
if "windows" == runtime.GOOS {
return homeWindows()
}
// Unix-like system, so just assume Unix
return homeUnix()
}
func homeUnix() (string, error) {
// First prefer the HOME environmental variable
if home := os.Getenv("HOME"); home != "" {
return home, nil
}
// If that fails, try getent
var stdout bytes.Buffer
cmd := exec.Command("getent", "passwd", strconv.Itoa(os.Getuid()))
cmd.Stdout = &stdout
if err := cmd.Run(); err != nil {
// If the error is ErrNotFound, we ignore it. Otherwise, return it.
if err != exec.ErrNotFound {
return "", err
}
} else {
if passwd := strings.TrimSpace(stdout.String()); passwd != "" {
// username:password:uid:gid:gecos:home:shell
passwdParts := strings.SplitN(passwd, ":", 7)
if len(passwdParts) > 5 {
return passwdParts[5], nil
}
}
}
// If all else fails, try the shell
stdout.Reset()
cmd = exec.Command("sh", "-c", "cd && pwd")
cmd.Stdout = &stdout
if err := cmd.Run(); err != nil {
return "", err
}
result := strings.TrimSpace(stdout.String())
if result == "" {
return "", errors.New("blank output when reading home directory")
}
return result, nil
}
func homeWindows() (string, error) {
// First prefer the HOME environmental variable
if home := os.Getenv("HOME"); home != "" {
return home, nil
}
drive := os.Getenv("HOMEDRIVE")
path := os.Getenv("HOMEPATH")
home := drive + path
if drive == "" || path == "" {
home = os.Getenv("USERPROFILE")
}
if home == "" {
return "", errors.New("HOMEDRIVE, HOMEPATH, and USERPROFILE are blank")
}
return home, nil
}