populate: run pipe commands through a shell

A pipe source's command is an absolute path, which a shell runs as a
script if it isn't a program, e.g. lacks #!.  The program ran it
directly, which fails for such a command.

pipe-script runs a pipe command without #!.

1 files changed, 2 insertions, 2 deletions

diff --git a/pkgs/populate/src/populate.rs b/pkgs/populate/src/populate.rs
index 226cee2..40f86dd 100644
--- a/pkgs/populate/src/populate.rs
+++ b/pkgs/populate/src/populate.rs
@@ -114,9 +114,9 @@ fn deliver(
             let file = fs::File::create(&out).map_err(|e| {
                 Failure::Message(format!("error: can't create {}: {e}", out.display()))
             })?;
+            // Through a shell, which runs a command without #! as a script.
             run::status(
-                Command::new(string(settings, "command")?)
-                    .current_dir(&workdir)
+                run::local_shell("\"$1\"\n", &[string(settings, "command")?], &workdir)
                     .stdout(file),
             )?;
             run::status(