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helper/proc: pass extra files and start

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For integration with native container tooling.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2025-03-14 23:23:57 +09:00
parent 2647a71be1
commit 9e18d1de77
4 changed files with 26 additions and 7 deletions
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9
helper/proc/files.go
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@@ -60,7 +60,10 @@ func (f *ExtraFilesPre) copy(e []*os.File) []*os.File {
}
// Fulfill calls the [File.Fulfill] method on all files, starts cmd and blocks until all fulfillment completes.
func Fulfill(ctx context.Context, cmd *exec.Cmd, files []File, extraFiles *ExtraFilesPre) (err error) {
func Fulfill(ctx context.Context,
v *[]*os.File, start func() error,
files []File, extraFiles *ExtraFilesPre,
) (err error) {
var ecs int
for _, o := range files {
ecs += o.ErrCount()
@@ -77,8 +80,8 @@ func Fulfill(ctx context.Context, cmd *exec.Cmd, files []File, extraFiles *Extra
}
}
cmd.ExtraFiles = extraFiles.Files()
if err = cmd.Start(); err != nil {
*v = extraFiles.Files()
if err = start(); err != nil {
return
}