This seems to be breaking Gradle :(

Revert "fix: create process group"

This reverts commit 0f3b2f3.

Revert "chore: fix linting"

This reverts commit 1555512.

Revert "fix: workaround for golang/go#52226"

This reverts commit 0cd74ef.

Author: alecthomas

app/exec_cmd.go

@@ -3,7 +3,6 @@ package app
 import (
 	"net/http"
 	"os"
-	"os/exec"
 	"path/filepath"
 	"strings"
 	"syscall"
@@ -58,22 +57,7 @@ func (e *execCmd) Run(l *ui.UI, cache *cache.Cache, sta *state.State, env *hermi
 	if filepath.Base(e.Binary) == "hermit" {
 		env := os.Environ()
 		env = append(env, "HERMIT_ENV="+envDir)
-		cmd := &exec.Cmd{
-			Path:        self,
-			Args:        args,
-			Env:         env,
-			Stdout:      os.Stdout,
-			Stderr:      os.Stderr,
-			Stdin:       os.Stdin,
-			SysProcAttr: &syscall.SysProcAttr{Setpgid: true},
-		}
-		err = cmd.Run()
-		var exitErr *exec.ExitError
-		if errors.As(err, &exitErr) {
-			os.Exit(exitErr.ExitCode())
-		}
-		// return syscall.Exec(self, args, env)
-		return errors.Wrapf(err, "failed to execute %q", e.Binary)
+		return syscall.Exec(self, args, env)
 	}
 
 	pkg, binary, err := env.ResolveLink(l, e.Binary)

env.go

@@ -11,7 +11,6 @@ import (
 	"io/ioutil"
 	"net/http"
 	"os"
-	"os/exec"
 	"path/filepath"
 	"runtime"
 	"sort"
@@ -758,21 +757,7 @@ func (e *Env) Exec(l *ui.UI, pkg *manifest.Package, binary string, args []string
 		l.Clear()
 		timer()
 
-		cmd := &exec.Cmd{
-			Path:        bin,
-			Args:        argsCopy,
-			Env:         env,
-			Stdout:      os.Stdout,
-			Stderr:      os.Stderr,
-			Stdin:       os.Stdin,
-			SysProcAttr: &syscall.SysProcAttr{Setpgid: true},
-		}
-		err = cmd.Run()
-		var exitErr *exec.ExitError
-		if errors.As(err, &exitErr) {
-			os.Exit(exitErr.ExitCode())
-		}
-		// err = syscall.Exec(bin, argsCopy, env)
+		err = syscall.Exec(bin, argsCopy, env)
 		return errors.Wrapf(err, "%s: failed to execute %q", pkg, bin)
 	}
 	return errors.Errorf("%s: could not find binary %q", pkg, binary)

errors/errors.go

@@ -105,11 +105,6 @@ func Is(err, target error) bool {
 	return errors.Is(err, target)
 }
 
-// As mirrors the stdlib errors.As function.
-func As(err error, target interface{}) bool {
-	return errors.As(err, target)
-}
-
 // Unwrap aliases the stdlib errors.Unwrap function.
 func Unwrap(err error) error {
 	return errors.Unwrap(err)