Go back to using os.Getenv

Most programs seem to take an empty string as being the same as unset.
Even if they are technically different. This makes it easier to unset
variables via `VARIABLE= yay --foo`.
This commit is contained in:
morganamilo 2018-08-12 04:11:34 +01:00
parent febccaef3a
commit 339a014614
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GPG key ID: 6FE9E7996B0B082E

28
main.go
View file

@ -11,30 +11,18 @@ import (
)
func setPaths() error {
if _configHome, set := os.LookupEnv("XDG_CONFIG_HOME"); set {
if _configHome == "" {
return fmt.Errorf("XDG_CONFIG_HOME set but empty")
}
configHome = filepath.Join(_configHome, "yay")
} else if _configHome, set := os.LookupEnv("HOME"); set {
if _configHome == "" {
return fmt.Errorf("HOME set but empty")
}
configHome = filepath.Join(_configHome, ".config/yay")
if configHome = os.Getenv("XDG_CONFIG_HOME"); configHome != "" {
configHome = filepath.Join(configHome, "yay")
} else if configHome = os.Getenv("HOME"); configHome != "" {
configHome = filepath.Join(configHome, ".config/yay")
} else {
return fmt.Errorf("XDG_CONFIG_HOME and HOME unset")
}
if _cacheHome, set := os.LookupEnv("XDG_CACHE_HOME"); set {
if _cacheHome == "" {
return fmt.Errorf("XDG_CACHE_HOME set but empty")
}
cacheHome = filepath.Join(_cacheHome, "yay")
} else if _cacheHome, set := os.LookupEnv("HOME"); set {
if _cacheHome == "" {
return fmt.Errorf("XDG_CACHE_HOME set but empty")
}
cacheHome = filepath.Join(_cacheHome, ".cache/yay")
if cacheHome = os.Getenv("XDG_CACHE_HOME"); cacheHome != "" {
cacheHome = filepath.Join(cacheHome, "yay")
} else if cacheHome = os.Getenv("HOME"); cacheHome != "" {
cacheHome = filepath.Join(cacheHome, ".cache/yay")
} else {
return fmt.Errorf("XDG_CACHE_HOME and HOME unset")
}