github.com/dolthub/dolt/go@v0.40.5-0.20240520175717-68db7794bea6/performance/utils/dolt_builder/debug.go (about)

     1  // Copyright 2019-2022 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package dolt_builder
    16  
    17  import (
    18  	"context"
    19  	"os"
    20  	"os/exec"
    21  )
    22  
    23  var Debug bool
    24  
    25  const envDebug = "DEBUG"
    26  
    27  func init() {
    28  	if os.Getenv(envDebug) != "" {
    29  		Debug = true
    30  	}
    31  }
    32  
    33  func ExecCommand(ctx context.Context, name string, arg ...string) *exec.Cmd {
    34  	e := exec.CommandContext(ctx, name, arg...)
    35  	if Debug {
    36  		e.Stdout = os.Stdout
    37  		e.Stderr = os.Stderr
    38  	}
    39  	return e
    40  }