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Fix exit(2) on SIGHUP before fully initialized. #378

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Sep 30, 2021
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Fix exit(2) on SIGHUP before fully initialized. #378

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6 changes: 6 additions & 0 deletions cmd/docker-gen/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,9 @@ import (
"fmt"
"log"
"os"
"os/signal"
"path/filepath"
"syscall"

"github.com/BurntSushi/toml"
docker "github.com/fsouza/go-dockerclient"
Expand Down Expand Up @@ -113,6 +115,10 @@ func initFlags() {
}

func main() {
// SIGHUP is used to trigger generation but go programs call os.Exit(2) at default.
// Ignore the signal until the handler is registered:
signal.Ignore(syscall.SIGHUP)

initFlags()

if version {
Expand Down