Allow the configuration file and theme directory to be specified at run time.
Patch by Eelco Dolstra, from Nixpkgs.

--- slim-1.3.6/app.cpp	2013-10-02 00:38:05.000000000 +0200
+++ slim-1.3.6/app.cpp	2013-10-15 11:02:55.629263422 +0200
@@ -200,7 +200,9 @@
 
 	/* Read configuration and theme */
 	cfg = new Cfg;
-	cfg->readConf(CFGFILE);
+	char *cfgfile = getenv("SLIM_CFGFILE");
+	if (!cfgfile) cfgfile = CFGFILE;
+	cfg->readConf(cfgfile);
 	string themebase = "";
 	string themefile = "";
 	string themedir = "";
@@ -208,7 +210,9 @@
 	if (testing) {
 		themeName = testtheme;
 	} else {
-		themebase = string(THEMESDIR) + "/";
+		char *themesdir = getenv("SLIM_THEMESDIR");
+		if (!themesdir) themesdir = THEMESDIR;
+		themebase = string(themesdir) + "/";
 		themeName = cfg->getOption("current_theme");
 		string::size_type pos;
 		if ((pos = themeName.find(",")) != string::npos) {
put type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=31a1e7d375cd554149bac83e5acaaf0ef63b65b6'>refs</a><a class='active' href='/guix/log/gnu/packages/openstack.scm'>log</a><a href='/guix/tree/gnu/packages/openstack.scm?id=31a1e7d375cd554149bac83e5acaaf0ef63b65b6'>tree</a><a href='/guix/commit/gnu/packages/openstack.scm?id=31a1e7d375cd554149bac83e5acaaf0ef63b65b6'>commit</a><a href='/guix/diff/gnu/packages/openstack.scm?id=31a1e7d375cd554149bac83e5acaaf0ef63b65b6'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/openstack.scm'>
<input type='hidden' name='id' value='31a1e7d375cd554149bac83e5acaaf0ef63b65b6'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=31a1e7d375cd554149bac83e5acaaf0ef63b65b6'>root</a>/<a href='/guix/log/gnu?id=31a1e7d375cd554149bac83e5acaaf0ef63b65b6'>gnu</a>/<a href='/guix/log/gnu/packages?id=31a1e7d375cd554149bac83e5acaaf0ef63b65b6'>packages</a>/<a href='/guix/log/gnu/packages/openstack.scm?id=31a1e7d375cd554149bac83e5acaaf0ef63b65b6'>openstack.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/packages/openstack.scm?id=31a1e7d375cd554149bac83e5acaaf0ef63b65b6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-12-22 22:55:33 +0100'>2024-12-22</span></td><td><a href='/guix/commit/gnu/packages/openstack.scm?id=8560cddd0a9264929564c950e6b81d8bca289c77'>gnu: python-reno: Switch to ‘git-minimal/pinned’.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/openstack.scm (python-reno)[native-inputs]: Switch to
‘git-minimal/pinned’.

Change-Id: I58c87aba5c6f12991f140e73a55d075a3e21534e
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2024-08-31 10:42:44 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/openstack.scm?id=ac54023529ace0cc67ea328be06876b25870ff9b'>gnu: python-git-review: Add 'bash' input for 'wrap-program'.</a><span class='msg-avail'>...<span class='msg-tooltip'>It is required for cross-compilation.

* gnu/packages/openstack.scm
(python-git-review)[inputs]: Add 'bash-minimal'.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
Change-Id: Ib17da31cc7f25d91e12e3cda95cf07a01f6f21d7
</span></span></td><td>Maxime Devos</td></tr>