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config: create config file in windows appdata directory by default (#5226)
Use %AppData% as primary default for configuration file on Windows, which is more in line with Windows standards, while existing default of using home directory is more Unix standards - though that made rclone more consistent accross different OS. Fixes #4667
This commit is contained in:
albertony
Ivan Andreev
parent
cd69f9e6e8
commit
d8711cf7f9
@ -640,22 +640,51 @@ See `--copy-dest` and `--backup-dir`.
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### --config=CONFIG_FILE ###
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Specify the location of the rclone configuration file.
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Specify the location of the rclone configuration file, to override
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the default. E.g. `rclone config --config="rclone.conf"`.
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Normally the config file is in your home directory as a file called
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`.config/rclone/rclone.conf` (or `.rclone.conf` if created with an
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older version). If `$XDG_CONFIG_HOME` is set it will be at
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`$XDG_CONFIG_HOME/rclone/rclone.conf`.
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The exact default is a bit complex to describe, due to changes
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introduced through different versions of rclone while preserving
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backwards compatibility, but in most cases it is as simple as:
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If there is a file `rclone.conf` in the same directory as the rclone
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executable it will be preferred. This file must be created manually
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for Rclone to use it, it will never be created automatically.
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- `%APPDATA%/rclone/rclone.conf` on Windows
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- `~/.config/rclone/rclone.conf` on other
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The complete logic is as follows: Rclone will look for an existing
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configuration file in any of the following locations, in priority order:
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1. `rclone.conf` (in program directory, where rclone executable is)
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2. `%APPDATA%/rclone/rclone.conf` (only on Windows)
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3. `$XDG_CONFIG_HOME/rclone/rclone.conf` (on all systems, including Windows)
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4. `~/.config/rclone/rclone.conf` (see below for explanation of ~ symbol)
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5. `~/.rclone.conf`
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If no existing configuration file is found, then a new one will be created
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in the following location:
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- On Windows: Location 2 listed above, except in the unlikely event
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that `APPDATA` is not defined, then location 4 is used instead.
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- On Unix: Location 3 if `XDG_CONFIG_HOME` is defined, else location 4.
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- Fallback to location 5 (on all OS), when the rclone directory cannot be
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created, but if also a home directory was not found then path
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`.rclone.conf` relative to current working directory will be used as
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a final resort.
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The `~` symbol in paths above represent the home directory of the current user
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on any OS, and the value is defined as following:
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- On Windows: `%HOME%` if defined, else `%USERPROFILE%`, or else `%HOMEDRIVE%\%HOMEPATH%`.
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- On Unix: `$HOME` if defined, else by looking up current user in OS-specific user database
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(e.g. passwd file), or else use the result from shell command `cd && pwd`.
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If you run `rclone config file` you will see where the default
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location is for you.
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Use this flag to override the config location, e.g.
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`rclone config --config="rclone.conf"`.
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The fact that an existing file `rclone.conf` in the same directory
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as the rclone executable is always preferred, means that it is easy
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to run in "portable" mode by downloading rclone executable to a
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writable directory and then create an empty file `rclone.conf` in the
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same directory.
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If the location is set to empty string `""` or the special value
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`/notfound`, or the os null device represented by value `NUL` on
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@ -126,59 +126,127 @@ func init() {
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configPath = makeConfigPath()
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}
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// Join directory with filename, and check if exists
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func findFile(dir string, name string) string {
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path := filepath.Join(dir, name)
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if _, err := os.Stat(path); err != nil {
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return ""
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}
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return path
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}
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// Find current user's home directory
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func findHomeDir() (string, error) {
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path, err := homedir.Dir()
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if err != nil {
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fs.Debugf(nil, "Home directory lookup failed and cannot be used as configuration location: %v", err)
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} else if path == "" {
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// On Unix homedir return success but empty string for user with empty home configured in passwd file
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fs.Debugf(nil, "Home directory not defined and cannot be used as configuration location")
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}
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return path, err
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}
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// Find rclone executable directory and look for existing rclone.conf there
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// (<rclone_exe_dir>/rclone.conf)
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func findLocalConfig() (configDir string, configFile string) {
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if exePath, err := os.Executable(); err == nil {
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configDir = filepath.Dir(exePath)
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configFile = findFile(configDir, configFileName)
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}
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return
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}
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// Get path to Windows AppData config subdirectory for rclone and look for existing rclone.conf there
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// ($AppData/rclone/rclone.conf)
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func findAppDataConfig() (configDir string, configFile string) {
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if appDataDir := os.Getenv("APPDATA"); appDataDir != "" {
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configDir = filepath.Join(appDataDir, "rclone")
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configFile = findFile(configDir, configFileName)
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} else {
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fs.Debugf(nil, "Environment variable APPDATA is not defined and cannot be used as configuration location")
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}
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return
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}
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// Get path to XDG config subdirectory for rclone and look for existing rclone.conf there
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// (see XDG Base Directory specification: https://specifications.freedesktop.org/basedir-spec/latest/).
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// ($XDG_CONFIG_HOME\rclone\rclone.conf)
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func findXDGConfig() (configDir string, configFile string) {
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if xdgConfigDir := os.Getenv("XDG_CONFIG_HOME"); xdgConfigDir != "" {
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configDir = filepath.Join(xdgConfigDir, "rclone")
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configFile = findFile(configDir, configFileName)
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}
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return
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}
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// Get path to .config subdirectory for rclone and look for existing rclone.conf there
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// (~/.config/rclone/rclone.conf)
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func findDotConfigConfig(home string) (configDir string, configFile string) {
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if home != "" {
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configDir = filepath.Join(home, ".config", "rclone")
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configFile = findFile(configDir, configFileName)
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}
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return
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}
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// Look for existing .rclone.conf (legacy hidden filename) in root of user's home directory
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// (~/.rclone.conf)
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func findOldHomeConfig(home string) (configDir string, configFile string) {
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if home != "" {
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configDir = home
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configFile = findFile(home, hiddenConfigFileName)
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}
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return
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}
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// Return the path to the configuration file
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func makeConfigPath() string {
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// Use rclone.conf from rclone executable directory if already existing
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exe, err := os.Executable()
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if err == nil {
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exedir := filepath.Dir(exe)
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cfgpath := filepath.Join(exedir, configFileName)
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_, err := os.Stat(cfgpath)
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if err == nil {
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return cfgpath
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// Look for existing rclone.conf in prioritized list of known locations
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// Also get configuration directory to use for new config file when no existing is found.
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var (
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configFile string
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configDir string
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primaryConfigDir string
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fallbackConfigDir string
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)
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// <rclone_exe_dir>/rclone.conf
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if _, configFile = findLocalConfig(); configFile != "" {
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return configFile
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}
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// Windows: $AppData/rclone/rclone.conf
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// This is also the default location for new config when no existing is found
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if runtime.GOOS == "windows" {
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if primaryConfigDir, configFile = findAppDataConfig(); configFile != "" {
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return configFile
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}
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}
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// Find user's home directory
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homeDir, err := homedir.Dir()
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// Find user's configuration directory.
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// Prefer XDG config path, with fallback to $HOME/.config.
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// See XDG Base Directory specification
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// https://specifications.freedesktop.org/basedir-spec/latest/),
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xdgdir := os.Getenv("XDG_CONFIG_HOME")
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var cfgdir string
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if xdgdir != "" {
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// User's configuration directory for rclone is $XDG_CONFIG_HOME/rclone
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cfgdir = filepath.Join(xdgdir, "rclone")
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} else if homeDir != "" {
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// User's configuration directory for rclone is $HOME/.config/rclone
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cfgdir = filepath.Join(homeDir, ".config", "rclone")
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// $XDG_CONFIG_HOME/rclone/rclone.conf
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// Also looking for this on Windows, for backwards compatibility reasons.
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if configDir, configFile = findXDGConfig(); configFile != "" {
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return configFile
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}
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if runtime.GOOS != "windows" {
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// On Unix this is also the default location for new config when no existing is found
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primaryConfigDir = configDir
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}
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// ~/.config/rclone/rclone.conf
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// This is also the fallback location for new config
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// (when $AppData on Windows and $XDG_CONFIG_HOME on Unix is not defined)
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homeDir, homeDirErr := findHomeDir()
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if fallbackConfigDir, configFile = findDotConfigConfig(homeDir); configFile != "" {
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return configFile
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}
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// ~/.rclone.conf
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if _, configFile = findOldHomeConfig(homeDir); configFile != "" {
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return configFile
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}
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// Use rclone.conf from user's configuration directory if already existing
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var cfgpath string
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if cfgdir != "" {
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cfgpath = filepath.Join(cfgdir, configFileName)
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_, err := os.Stat(cfgpath)
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if err == nil {
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return cfgpath
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}
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}
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// Use .rclone.conf from user's home directory if already existing
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var homeconf string
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if homeDir != "" {
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homeconf = filepath.Join(homeDir, hiddenConfigFileName)
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_, err := os.Stat(homeconf)
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if err == nil {
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return homeconf
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}
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}
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// Check to see if user supplied a --config variable or environment
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// variable. We can't use pflag for this because it isn't initialised
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// yet so we search the command line manually.
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// No existing config file found, prepare proper default for a new one.
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// But first check if if user supplied a --config variable or environment
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// variable, since then we skip actually trying to create the default
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// and report any errors related to it (we can't use pflag for this because
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// it isn't initialised yet so we search the command line manually).
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_, configSupplied := os.LookupEnv("RCLONE_CONFIG")
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if !configSupplied {
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for _, item := range os.Args {
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@ -188,32 +256,54 @@ func makeConfigPath() string {
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}
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}
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}
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// If user's configuration directory was found, then try to create it
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// and assume rclone.conf can be written there. If user supplied config
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// then skip creating the directory since it will not be used.
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if cfgpath != "" {
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// cfgpath != "" implies cfgdir != ""
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// If we found a configuration directory to be used for new config during search
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// above, then create it to be ready for rclone.conf file to be written into it
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// later, and also as a test of permissions to use fallback if not even able to
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// create the directory.
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if primaryConfigDir != "" {
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configDir = primaryConfigDir
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} else if fallbackConfigDir != "" {
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configDir = fallbackConfigDir
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} else {
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configDir = ""
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}
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if configDir != "" {
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configFile = filepath.Join(configDir, configFileName)
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if configSupplied {
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return cfgpath
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// User supplied custom config option, just return the default path
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// as is without creating any directories, since it will not be used
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// anyway and we don't want to unnecessarily create empty directory.
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return configFile
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}
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err := os.MkdirAll(cfgdir, os.ModePerm)
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if err == nil {
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return cfgpath
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var mkdirErr error
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if mkdirErr = os.MkdirAll(configDir, os.ModePerm); mkdirErr == nil {
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return configFile
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}
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// Problem: Try a fallback location. If we did find a home directory then
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// just assume file .rclone.conf (legacy hidden filename) can be written in
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// its root (~/.rclone.conf).
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if homeDir != "" {
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fs.Debugf(nil, "Configuration directory could not be created and will not be used: %v", mkdirErr)
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return filepath.Join(homeDir, hiddenConfigFileName)
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}
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if !configSupplied {
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fs.Errorf(nil, "Couldn't find home directory nor create configuration directory: %v", mkdirErr)
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}
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} else if !configSupplied {
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if homeDirErr != nil {
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fs.Errorf(nil, "Couldn't find configuration directory nor home directory: %v", homeDirErr)
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} else {
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fs.Errorf(nil, "Couldn't find configuration directory nor home directory")
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}
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}
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// Assume .rclone.conf can be written to user's home directory.
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if homeconf != "" {
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return homeconf
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}
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// Default to ./.rclone.conf (current working directory) if everything else fails.
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// No known location that can be used: Did possibly find a configDir
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// (XDG_CONFIG_HOME or APPDATA) which couldn't be created, but in any case
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// did not find a home directory!
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// Report it as an error, and return as last resort the path relative to current
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// working directory, of .rclone.conf (legacy hidden filename).
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if !configSupplied {
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fs.Errorf(nil, "Couldn't find home directory or read HOME or XDG_CONFIG_HOME environment variables.")
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fs.Errorf(nil, "Defaulting to storing config in current directory.")
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fs.Errorf(nil, "Use --config flag to workaround.")
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fs.Errorf(nil, "Error was: %v", err)
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}
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return hiddenConfigFileName
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}
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