<p>I wanted to use <code>patch -T</code> option for %patch macro, to set fixed timestamp for a patched file.</p>
<p>Because It is related to reproductive build. The timestamp is used as a gz file's metadata modified date in a program.</p>
<p>Is it possible to support the option?</p>
<p>ruby.spec</p>
<pre><code>-%patch20 -p1
+%patch20 -p1 -T
</code></pre>
<pre><code>$ rhpkg srpm
error: unknown option: -T: %patch20 -p1 -T


error: unknown option: -T: %patch20 -p1 -T

Could not execute srpm: Failed to execute command.
</code></pre>
<p><a href="https://github.com/rpm-software-management/rpm/blob/master/build/parsePrep.c#L403-L413">https://github.com/rpm-software-management/rpm/blob/master/build/parsePrep.c#L403-L413</a></p>
<pre><code>static rpmRC doPatchMacro(rpmSpec spec, const char *line)
{
...
    struct poptOption const patchOpts[] = {
        { NULL, 'P', POPT_ARG_STRING, &opt_P, 'P', NULL, NULL },
        { NULL, 'p', POPT_ARG_INT, &opt_p, 'p', NULL, NULL },
        { NULL, 'R', POPT_ARG_NONE, &opt_R, 'R', NULL, NULL },
        { NULL, 'E', POPT_ARG_NONE, &opt_E, 'E', NULL, NULL },
        { NULL, 'b', POPT_ARG_STRING, &opt_b, 'b', NULL, NULL },
        { NULL, 'z', POPT_ARG_STRING, &opt_b, 'z', NULL, NULL },
        { NULL, 'F', POPT_ARG_INT, &opt_F, 'F', NULL, NULL },
        { NULL, 'd', POPT_ARG_STRING, &opt_d, 'd', NULL, NULL },
        { NULL, 'o', POPT_ARG_STRING, &opt_o, 'o', NULL, NULL },
        { NULL, 0, 0, NULL, 0, NULL, NULL }
};
</code></pre>

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