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Go back to using os.Getenv

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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
1 changed files with 8 additions and 20 deletions
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28
main.go
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@ -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")
}