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fix(linux): 🐛 source distro information from /etc/os-release for regi…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // Copyright (c) 2024 Joshua Rich <[email protected]> | ||
| // | ||
| // This software is released under the MIT License. | ||
| // https://opensource.org/licenses/MIT | ||
|
|
||
| package whichdistro | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "os" | ||
| ) | ||
|
|
||
| const ( | ||
| OSReleaseFile = "/etc/os-release" | ||
| OSReleaseAltFile = "/usr/lib/os-release" | ||
| ) | ||
|
|
||
| // GetOSRelease will fetch the OS Release info from the canonical file | ||
| // locations. The data will be formatted as a map[string]string. If the OS | ||
| // Release info cannot be read, an error will be returned containing details of | ||
| // why. | ||
| func GetOSRelease() (map[string]string, error) { | ||
| info := make(map[string]string) | ||
| file, err := readOSRelease() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| lines := bytes.Split(file, []byte("\n")) | ||
| for _, line := range lines { | ||
| if bytes.Equal(line, []byte("")) { | ||
| continue | ||
| } | ||
| fields := bytes.FieldsFunc(line, func(r rune) bool { | ||
| return r == '=' | ||
| }) | ||
| info[string(fields[0])] = string(fields[1]) | ||
| } | ||
| return info, nil | ||
| } | ||
|
|
||
| func readOSRelease() ([]byte, error) { | ||
| var contents []byte | ||
| var err error | ||
| contents, err = os.ReadFile(OSReleaseFile) | ||
| if err == nil { | ||
| return contents, nil | ||
| } | ||
| contents, err = os.ReadFile(OSReleaseAltFile) | ||
| if err == nil { | ||
| return contents, nil | ||
| } | ||
| return nil, err | ||
| } |