common/hexec: Remove github.com/cli/safeexec

We began using the safeexec package in v0.79.1 to address
https://github.com/gohugoio/hugo/security/advisories/GHSA-8j34-9876-pvfq.

The vulnerability was addressed by the Go team in 1.19, so the safeexec
package is no longer needed.

Closes #13516

README.md

@@ -189,7 +189,6 @@ github.com/bep/simplecobra="v0.5.0"
 github.com/bep/tmc="v0.5.1"
 github.com/cespare/xxhash/v2="v2.3.0"
 github.com/clbanning/mxj/v2="v2.7.0"
-github.com/cli/safeexec="v1.0.1"
 github.com/cpuguy83/go-md2man/v2="v2.0.4"
 github.com/disintegration/gift="v1.2.1"
 github.com/dlclark/regexp2="v1.11.5"

common/hexec/exec.go

@@ -27,7 +27,6 @@ import (
 	"sync"
 
 	"github.com/bep/logg"
-	"github.com/cli/safeexec"
 	"github.com/gohugoio/hugo/common/loggers"
 	"github.com/gohugoio/hugo/common/maps"
 	"github.com/gohugoio/hugo/config"
@@ -113,18 +112,6 @@ func IsNotFound(err error) bool {
 	return errors.As(err, &notFoundErr)
 }
 
-// SafeCommand is a wrapper around os/exec Command which uses a LookPath
-// implementation that does not search in current directory before looking in PATH.
-// See https://github.com/cli/safeexec and the linked issues.
-func SafeCommand(name string, arg ...string) (*exec.Cmd, error) {
-	bin, err := safeexec.LookPath(name)
-	if err != nil {
-		return nil, err
-	}
-
-	return exec.Command(bin, arg...), nil
-}
-
 // Exec enforces a security policy for commands run via os/exec.
 type Exec struct {
 	sc         security.Config
@@ -197,7 +184,7 @@ func (e *Exec) Npx(name string, arg ...any) (Runner, error) {
 		tryFuncs := map[binaryLocation]tryFunc{
 			binaryLocationNodeModules: func() func(...any) (Runner, error) {
 				nodeBinFilename := filepath.Join(e.workingDir, nodeModulesBinPath, name)
-				_, err := safeexec.LookPath(nodeBinFilename)
+				_, err := exec.LookPath(nodeBinFilename)
 				if err != nil {
 					return nil
 				}
@@ -215,7 +202,7 @@ func (e *Exec) Npx(name string, arg ...any) (Runner, error) {
 				}
 			},
 			binaryLocationPath: func() func(...any) (Runner, error) {
-				if _, err := safeexec.LookPath(name); err != nil {
+				if _, err := exec.LookPath(name); err != nil {
 					return nil
 				}
 				return func(arg2 ...any) (Runner, error) {
@@ -346,7 +333,7 @@ func (c *commandeer) command(arg ...any) (*cmdWrapper, error) {
 		bin = c.fullyQualifiedName
 	} else {
 		var err error
-		bin, err = safeexec.LookPath(c.name)
+		bin, err = exec.LookPath(c.name)
 		if err != nil {
 			return nil, &NotFoundError{
 				name:   c.name,
@@ -384,7 +371,7 @@ func InPath(binaryName string) bool {
 	if strings.Contains(binaryName, "/") {
 		panic("binary name should not contain any slash")
 	}
-	_, err := safeexec.LookPath(binaryName)
+	_, err := exec.LookPath(binaryName)
 	return err == nil
 }
 
@@ -394,7 +381,7 @@ func LookPath(binaryName string) string {
 	if strings.Contains(binaryName, "/") {
 		panic("binary name should not contain any slash")
 	}
-	s, err := safeexec.LookPath(binaryName)
+	s, err := exec.LookPath(binaryName)
 	if err != nil {
 		return ""
 	}

go.mod

@@ -24,7 +24,6 @@ require (
 	github.com/bep/tmc v0.5.1
 	github.com/cespare/xxhash/v2 v2.3.0
 	github.com/clbanning/mxj/v2 v2.7.0
-	github.com/cli/safeexec v1.0.1
 	github.com/disintegration/gift v1.2.1
 	github.com/dustin/go-humanize v1.0.1
 	github.com/evanw/esbuild v0.24.2
@@ -120,6 +119,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.26.4 // indirect
 	github.com/aws/aws-sdk-go-v2/service/sts v1.30.3 // indirect
 	github.com/aws/smithy-go v1.22.2 // indirect
+	github.com/cli/safeexec v1.0.1 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.6 // indirect
 	github.com/dlclark/regexp2 v1.11.4 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect

releaser/releaser.go

@@ -19,11 +19,11 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"regexp"
 	"strings"
 
-	"github.com/gohugoio/hugo/common/hexec"
 	"github.com/gohugoio/hugo/common/hugo"
 )
 
@@ -222,7 +222,7 @@ func (r *ReleaseHandler) replaceInFile(filename string, oldNew ...string) error
 }
 
 func git(args ...string) (string, error) {
-	cmd, _ := hexec.SafeCommand("git", args...)
+	cmd := exec.Command("git", args...)
 	out, err := cmd.CombinedOutput()
 	if err != nil {
 		return "", fmt.Errorf("git failed: %q: %q (%q)", err, out, args)

scripts/fork_go_templates/main.go

@@ -4,12 +4,11 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"regexp"
 	"strings"
 
-	"github.com/gohugoio/hugo/common/hexec"
-
 	"github.com/gohugoio/hugo/common/hugio"
 
 	"github.com/spf13/afero"
@@ -208,7 +207,7 @@ func removeAll(expression, content string) string {
 }
 
 func rewrite(filename, rule string) {
-	cmf, _ := hexec.SafeCommand("gofmt", "-w", "-r", rule, filename)
+	cmf := exec.Command("gofmt", "-w", "-r", rule, filename)
 	out, err := cmf.CombinedOutput()
 	if err != nil {
 		log.Fatal("gofmt failed:", string(out))
@@ -217,7 +216,7 @@ func rewrite(filename, rule string) {
 
 func goimports(dir string) {
 	// Needs go install golang.org/x/tools/cmd/goimports@latest
-	cmf, _ := hexec.SafeCommand("goimports", "-w", dir)
+	cmf := exec.Command("goimports", "-w", dir)
 	out, err := cmf.CombinedOutput()
 	if err != nil {
 		log.Fatal("goimports failed:", string(out))
@@ -225,7 +224,7 @@ func goimports(dir string) {
 }
 
 func gofmt(dir string) {
-	cmf, _ := hexec.SafeCommand("gofmt", "-w", dir)
+	cmf := exec.Command("gofmt", "-w", dir)
 	out, err := cmf.CombinedOutput()
 	if err != nil {
 		log.Fatal("gofmt failed:", string(out))