thread-master/backend/internal/bootstrap/envfile.go

68 lines
1.4 KiB
Go
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package bootstrap
import (
"bufio"
"os"
"path/filepath"
"strings"
)
// LoadInfraEnv reads local env files into process env (only keys not already set).
// Search order: HAIXUN_ENV_FILE, deploy/.env.dev (for native dev run).
func LoadInfraEnv() {
if path := strings.TrimSpace(os.Getenv("HAIXUN_ENV_FILE")); path != "" {
_ = loadEnvFile(path)
return
}
cwd, err := os.Getwd()
if err != nil {
return
}
candidates := []string{
filepath.Join(cwd, "deploy", ".env.dev"),
filepath.Join(cwd, "..", "deploy", ".env.dev"),
filepath.Join(cwd, "..", "..", "deploy", ".env.dev"),
}
for _, path := range candidates {
if loadEnvFile(path) {
return
}
}
}
func loadEnvFile(path string) bool {
f, err := os.Open(path)
if err != nil {
return false
}
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if line == "" || strings.HasPrefix(line, "#") {
continue
}
key, value, ok := strings.Cut(line, "=")
if !ok {
continue
}
key = strings.TrimSpace(key)
if key == "" {
continue
}
if _, exists := os.LookupEnv(key); exists {
continue
}
value = strings.TrimSpace(value)
if len(value) >= 2 {
if (value[0] == '"' && value[len(value)-1] == '"') ||
(value[0] == '\'' && value[len(value)-1] == '\'') {
value = value[1 : len(value)-1]
}
}
_ = os.Setenv(key, value)
}
return true
}