go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/vpython/application/exec.go (about)

     1  // Copyright 2017 The LUCI Authors.
     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 application
    16  
    17  import (
    18  	"context"
    19  	"os/exec"
    20  
    21  	"go.chromium.org/luci/common/logging"
    22  	"go.chromium.org/luci/common/system/environ"
    23  )
    24  
    25  // Exec runs the specified Python command.
    26  //
    27  // Once the process launches, Context cancellation will not have an impact.
    28  //
    29  // If an error occurs during execution, it will be returned here. Otherwise,
    30  // Exec will not return, and this process will exit with the return code of the
    31  // executed process.
    32  //
    33  // The implementation of Exec is platform-specific.
    34  func cmdExec(c context.Context, cmd *exec.Cmd) error {
    35  	logging.Debugf(c, "Exec command: %#v", cmd)
    36  	return execImpl(c, cmd.Args, environ.New(cmd.Env), cmd.Dir)
    37  }