Do not reset chosen session and maintain the session-choser dialog after a
failed login attempt.

Patch by E. Bavier

--- slim-1.3.6/panel.cpp.orig	1969-12-31 18:00:00.000000000 -0600
+++ slim-1.3.6/panel.cpp	2016-10-17 17:00:07.259649063 -0500
@@ -260,13 +260,12 @@
 }
 
 void Panel::ClearPanel() {
-	session_name = "";
-    session_exec = "";
 	Reset();
 	XClearWindow(Dpy, Root);
 	XClearWindow(Dpy, Win);
 	Cursor(SHOW);
 	ShowText();
+	ShowSession();
 	XFlush(Dpy);
 }
 
@@ -760,9 +760,7 @@
         pair<string,string> ses = cfg->nextSession();
         session_name = ses.first;
         session_exec = ses.second;
-        if (session_name.size() > 0) {
-                ShowSession();
-        }
+        ShowSession();
  }
 
 /* Display session type on the screen */
.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=093bfc5d9638286d66b5e8368fb8969e2f2d010d&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=093bfc5d9638286d66b5e8368fb8969e2f2d010d&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/machine.scm?id=093bfc5d9638286d66b5e8368fb8969e2f2d010d&amp;showmsg=1'>machine.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/machine.scm?id=093bfc5d9638286d66b5e8368fb8969e2f2d010d'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2020-07-25 19:11:36 +0200'>2020-07-25</span></td><td class='logsubject'><a href='/guix/commit/gnu/machine.scm?id=a5e2fc73760a2ae023f2e56bdbf8025971f90e64'>utils: Move &lt;location&gt; and '&amp;error-location' to (guix diagnostics).</a></td><td>Ludovic Courtès</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* guix/utils.scm (&lt;location&gt;, source-properties-&gt;location)
(location-&gt;source-properties, &amp;error-location): Move to...
* guix/diagnostics.scm: ... here.
* gnu.scm: Adjust imports accordingly.
* gnu/machine.scm: Likewise.
* gnu/system.scm: Likewise.
* gnu/tests.scm: Likewise.
* guix/inferior.scm: Likewise.
* tests/channels.scm: Likewise.
* tests/packages.scm: Likewise.


</td></tr>
<tr class='logheader'><td><span title='2020-02-09 23:16:45 +0100'>2020-02-09</span></td><td class='logsubject'><a href='/guix/commit/gnu/machine.scm?id=e81344428726f3dae5d2a2e7bb296f46fcde6cc5'>Update e-mail address for Jakob L. Kreuze.</a></td><td>Tobias Geerinckx-Rice</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
As requested here:
&lt;https://lists.gnu.org/archive/html/guix-devel/2020-02/msg00128.html&gt;.

* .mailmap: Add an entry for Jakob.
* gnu/machine.scm, gnu/machine/digital-ocean.scm, gnu/machine/ssh.scm,
gnu/packages/admin.scm, gnu/packages/i2p.scm, gnu/packages/music.scm,
gnu/packages/web.scm, gnu/tests/reconfigure.scm, guix/scripts/deploy.scm,
guix/scripts/system/reconfigure.scm: Update their e-mail address.


</td></tr>
<tr class='logheader'><td><span title='2019-12-08 00:47:26 +0100'>2019-12-08</span></td><td class='logsubject'><a href='/guix/commit/gnu/machine.scm?id=a1d7920861a8d6c6774149eaf939eb2636942090'>machine: Remove unnecessary record self-referencing bindings.</a></td><td>Ludovic Courtès</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
'this-machine' and 'this-machine-ssh-configuration' were useless given
that there are no thunked fields.

* gnu/machine.scm (&lt;machine&gt;)[this-machine]: Remove.
* gnu/machine/ssh.scm (&lt;machine-ssh-configuration&gt;)
[this-machine-ssh-configuration]: Remove.


</td></tr>
<tr class='logheader'><td><span title='2019-12-07 00:59:56 +0100'>2019-12-07</span></td><td class='logsubject'><a href='/guix/commit/gnu/machine.scm?id=eaabc5e87f4e48d7bce88ca231f5fc2d554ca3d6'>machine: Add provenance tracking to each machine operating system.</a></td><td>Ludovic Courtès</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/machine.scm (&lt;machine&gt;): Rename accessor to
'%machine-operating-system'.
(machine-operating-system): New procedure.
* doc/guix.texi (Service Reference): Mention it.


</td></tr>
<tr class='logheader'><td><span title='2019-08-15 07:43:09 -0400'>2019-08-15</span></td><td class='logsubject'><a href='/guix/commit/gnu/machine.scm?id=9c70c460a05b2bc60f3f3602f0a2dba0f79ce86c'>machine: Implement 'roll-back-machine'.</a></td><td>Jakob L. Kreuze</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/machine.scm (roll-back-machine, &amp;deploy-error, deploy-error?)
(deploy-error-should-roll-back)
(deploy-error-captured-args): New variable.
* gnu/machine/ssh.scm (roll-back-managed-host): New variable.
* guix/scripts/deploy.scm (guix-deploy): Roll-back systems when a
deployment fails.


</td></tr>
<tr class='logheader'><td><span title='2019-08-06 15:48:51 -0400'>2019-08-06</span></td><td class='logsubject'><a href='/guix/commit/gnu/machine.scm?id=d97ce20400b5d2967bfbc0e9fbfb99bbb2daed4f'>machine: Rename 'system' field.</a></td><td>Jakob L. Kreuze</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/machine.scm (machine-system): Delete variable.
(machine-operating-system): New variable.
All callers changed.
* doc/guix.texi (Invoking guix deploy): Use the
'machine-operating-system' accessor rather than 'machine-system'.


</td></tr>
<tr class='logheader'><td><span title='2019-07-06 02:10:04 -0400'>2019-07-06</span></td><td class='logsubject'><a href='/guix/commit/gnu/machine.scm?id=fa9edf09e992db7510c7471486dffc93e1e707e5'>gnu: Add machine type for deployment specifications.</a></td><td>Jakob L. Kreuze</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/machine.scm: New file.
* gnu/machine/ssh.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.


</td></tr>