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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - RFE: Appending to unit file directives"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=65733">65733</a>
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>systemd-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>RFE: Appending to unit file directives
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>systemd-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>michael+freedesktop@stapelberg.de
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>general
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>systemd
          </td>
        </tr></table>
      <p>
        <div>
        <pre>With the .include mechanism, I can overwrite or delete the contents of a
directive, e.g.:

.include /lib/systemd/system/codesearch.service
ExecStart=/usr/bin/codesearch -verbose

What I cannot do currently is extending the old value, e.g.:

.include /lib/systemd/system/codesearch.service
ExecStart=$ExecStart -verbose

This would be helpful (and at least two other people on #systemd also wished
for it when I asked).

Lennart (et al), is that something you’d accept? If so, how precisely should it
work? I.e. how should one refer to the old value? A format string value? A
pseudo-variable? A prefix of some sort?

Let me know and I’ll be happy to provide a patch.</pre>
        </div>
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