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Prevents files to be used as input of dagger.#FS

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Errors out in the PreRun phase of the clientfilesystemreader task since
otherwise, dagger execution would hang
Fixes #1977

Signed-off-by: Marcos Lilljedahl <marcosnils@gmail.com>
This commit is contained in:
Marcos Lilljedahl
2022-03-31 19:31:14 -03:00
parent acc593f388
commit 66153c6194
3 changed files with 24 additions and 3 deletions
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7
plan/task/clientfilesystemread.go
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@@ -18,8 +18,7 @@ func init() {
Register("ClientFilesystemRead", func() Task { return &clientFilesystemReadTask{} })
}
type clientFilesystemReadTask struct {
}
type clientFilesystemReadTask struct{}
func (t clientFilesystemReadTask) PreRun(_ context.Context, pctx *plancontext.Context, v *compiler.Value) error {
path, err := t.parsePath(v)
@@ -27,8 +26,10 @@ func (t clientFilesystemReadTask) PreRun(_ context.Context, pctx *plancontext.Co
return err
}
if _, err := os.Stat(path); errors.Is(err, os.ErrNotExist) {
if pi, err := os.Stat(path); errors.Is(err, os.ErrNotExist) {
return fmt.Errorf("path %q does not exist", path)
} else if !pi.IsDir() && plancontext.IsFSValue(v.Lookup("contents")) {
return fmt.Errorf("path %q is not a directory", path)
}
if plancontext.IsFSValue(v.Lookup("contents")) {