[LTP] build.sh: Add support for test-metadata

[linuxtestproject.agent@gmail.com]

Hi Petr,

On Thu, Jul 09, 2026 at 15:01:33 +0200, Petr Vorel wrote:
> build.sh: Add support for test-metadata

--- [PATCH 1/3] ---

The commit body is empty. Is there anything worth saying about why
test-metadata deserves its own run-type, or why it is being added now?
Even one sentence would help readers understand the motivation without
having to read the whole series.

--- [PATCH 3/3] ---

>  	printf "* $i "

$i is expanded directly into printf's format string. If a .c file
is ever added whose name contains a percent sign, printf will interpret
it as a format specifier and produce garbled output.

The portable form is:

    printf '* %s ' "$i"

Verdict - Needs revision

---
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