1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// Author: arnej
//go:build !windows
package startcbinary
import (
"fmt"
"os"
"strings"
"github.com/vespa-engine/vespa/client/go/trace"
"github.com/vespa-engine/vespa/client/go/util"
"golang.org/x/sys/unix"
)
func findInPath(prog string) string {
if strings.Contains(prog, "/") {
return prog
}
path := strings.Split(os.Getenv(ENV_PATH), ":")
for _, dir := range path {
fn := dir + "/" + prog
if util.IsRegularFile(fn) {
return fn
}
}
return prog
}
func myexecvp(prog string, args []string, envv []string) error {
argv := make([]string, 0, 1+len(args))
argv = append(argv, prog)
for _, arg := range args {
argv = append(argv, arg)
}
trace.Trace("run cmd", strings.Join(argv, " "))
prog = findInPath(prog)
err := unix.Exec(prog, argv, envv)
return fmt.Errorf("cannot execute '%s': %v", prog, err)
}
|
