58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
// Copyright (C) 2021 Storj Labs, Inc.
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// See LICENSE for copying information.
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package main
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import (
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"os"
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"path/filepath"
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"runtime"
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"strings"
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)
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// appDir returns best base directory for the currently running operating system. It
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// has a legacy bool to have it return the same values that storj.io/common/fpath.ApplicationDir
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// would have returned.
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func appDir(legacy bool, subdir ...string) string {
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for i := range subdir {
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if runtime.GOOS == "windows" || runtime.GOOS == "darwin" {
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subdir[i] = strings.Title(subdir[i])
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} else {
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subdir[i] = strings.ToLower(subdir[i])
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}
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}
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var appdir string
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home := os.Getenv("HOME")
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switch runtime.GOOS {
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case "windows":
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// Windows standards: https://msdn.microsoft.com/en-us/library/windows/apps/hh465094.aspx?f=255&MSPPError=-2147217396
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for _, env := range []string{"AppData", "AppDataLocal", "UserProfile", "Home"} {
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val := os.Getenv(env)
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if val != "" {
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appdir = val
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break
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}
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}
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case "darwin":
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// Mac standards: https://developer.apple.com/library/archive/documentation/FileManagement/Conceptual/FileSystemProgrammingGuide/MacOSXDirectories/MacOSXDirectories.html
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appdir = filepath.Join(home, "Library", "Application Support")
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case "linux":
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fallthrough
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default:
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// Linux standards: https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
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if legacy {
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appdir = os.Getenv("XDG_DATA_HOME")
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if appdir == "" && home != "" {
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appdir = filepath.Join(home, ".local", "share")
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}
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} else {
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appdir = os.Getenv("XDG_CONFIG_HOME")
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if appdir == "" && home != "" {
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appdir = filepath.Join(home, ".config")
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}
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}
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}
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return filepath.Join(append([]string{appdir}, subdir...)...)
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}
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