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eth, node: use APPDATA env to support cygwin/msys correctly (#17786)

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This changes default location of the data directory to use the LOCALAPPDATA
environment variable, resolving issues with remote home directories an improving
compatibility with Cygwin.

Fixes #2239 
Fixes #2237 
Fixes #16437
This commit is contained in:
HackyMiner 2019-02-19 20:15:15 +09:00 committed by Felix Lange
parent d2256244c4
commit f7f6a46029
3 changed files with 48 additions and 7 deletions
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5
cmd/clef/main.go
View File

@ -533,7 +533,12 @@ func DefaultConfigDir() string {
if runtime.GOOS == "darwin" {
return filepath.Join(home, "Library", "Signer")
} else if runtime.GOOS == "windows" {
appdata := os.Getenv("APPDATA")
if appdata != "" {
return filepath.Join(appdata, "Signer")
} else {
return filepath.Join(home, "AppData", "Roaming", "Signer")
}
} else {
return filepath.Join(home, ".clef")
}

11
eth/config.go
View File

@ -68,8 +68,15 @@ func init() {
home = user.HomeDir
}
}
if runtime.GOOS == "windows" {
DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Ethash")
if runtime.GOOS == "darwin" {
DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "Library", "Ethash")
} else if runtime.GOOS == "windows" {
localappdata := os.Getenv("LOCALAPPDATA")
if localappdata != "" {
DefaultConfig.Ethash.DatasetDir = filepath.Join(localappdata, "Ethash")
} else {
DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Local", "Ethash")
}
} else {
DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
}

37
node/defaults.go
View File

@ -58,11 +58,20 @@ func DefaultDataDir() string {
// Try to place the data folder in the user's home dir
home := homeDir()
if home != "" {
if runtime.GOOS == "darwin" {
switch runtime.GOOS {
case "darwin":
return filepath.Join(home, "Library", "Ethereum")
} else if runtime.GOOS == "windows" {
return filepath.Join(home, "AppData", "Roaming", "Ethereum")
} else {
case "windows":
// We used to put everything in %HOME%\AppData\Roaming, but this caused
// problems with non-typical setups. If this fallback location exists and
// is non-empty, use it, otherwise DTRT and check %LOCALAPPDATA%.
fallback := filepath.Join(home, "AppData", "Roaming", "Ethereum")
appdata := windowsAppData()
if appdata == "" || isNonEmptyDir(fallback) {
return fallback
}
return filepath.Join(appdata, "Ethereum")
default:
return filepath.Join(home, ".ethereum")
}
}
@ -70,6 +79,26 @@ func DefaultDataDir() string {
return ""
}
func windowsAppData() string {
if v := os.Getenv("LOCALAPPDATA"); v != "" {
return v // Vista+
}
if v := os.Getenv("APPDATA"); v != "" {
return filepath.Join(v, "Local")
}
return ""
}
func isNonEmptyDir(dir string) bool {
f, err := os.Open(dir)
if err != nil {
return false
}
names, _ := f.Readdir(1)
f.Close()
return len(names) > 0
}
func homeDir() string {
if home := os.Getenv("HOME"); home != "" {
return home