fix: If Bash does not exist, use sh (#654)

* fix: If Bash does not exist, use sh https://gist.github.com/miguelmota/ed4ec562b8cd1781e7b20151b37de8a0
jeessy2 · Mar 30, 2023 · 947ff98 · 947ff98
1 parent 55f4462
commit 947ff98
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/config/config.go b/config/config.go
@@ -226,7 +226,13 @@ func (conf *DnsConfig) getAddrFromCmd(addrType string) string {
 	if runtime.GOOS == "windows" {
 		execCmd = exec.Command("powershell", "-Command", cmd)
 	} else {
-		execCmd = exec.Command("bash", "-rc", cmd)
+		// If Bash does not exist, use sh
+		_, err := exec.LookPath("bash")
+		if err != nil {
+			execCmd = exec.Command("sh", "-c", cmd)
+		} else {
+			execCmd = exec.Command("bash", "-rc", cmd)
+		}
 	}
 	// run cmd
 	out, err := execCmd.CombinedOutput()