40 lines
999 B
Go
40 lines
999 B
Go
package config
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import (
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"os"
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"strings"
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)
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// parseDotEnv loads a KEY=VALUE .env file into a map. It is tolerant by design:
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// a missing file yields an empty map and no error, because .env is a
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// development-only convenience. Values may be single- or double-quoted and may
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// carry an optional `export` prefix. Lines starting with `#` and blank lines
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// are ignored.
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func parseDotEnv(path string) (map[string]string, error) {
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data, err := os.ReadFile(path)
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if err != nil {
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if os.IsNotExist(err) {
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return map[string]string{}, nil
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}
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return nil, err
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}
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env := make(map[string]string)
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for _, raw := range strings.Split(string(data), "\n") {
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line := strings.TrimSpace(raw)
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if line == "" || strings.HasPrefix(line, "#") {
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continue
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}
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line = strings.TrimPrefix(line, "export ")
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key, val, ok := strings.Cut(line, "=")
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if !ok {
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continue
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}
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key = strings.TrimSpace(key)
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val = strings.TrimSpace(val)
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val = strings.Trim(val, `"'`)
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env[key] = val
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}
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return env, nil
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}
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