Allow the configuration file and theme directory to be specified at run time.

Patch by Eelco Dolstra, from Nixpkgs.
---
 app.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/app.cpp b/app.cpp
index 237477d..735df9c 100644
--- a/app.cpp
+++ b/app.cpp
@@ -285,7 +285,9 @@ void App::Run()
 	if ( cfg == 0 )
 	{
 		cfg = new Cfg;
-		cfg->readConf(CFGFILE);
+		const char* cfgfile = getenv("SLIM_CFGFILE");
+		if (!cfgfile) cfgfile = CFGFILE;
+		cfg->readConf(cfgfile);
 	}
 	string themebase = "";
 	string themefile = "";
@@ -297,7 +299,9 @@ void App::Run()
 	}
 	else
 	{
-		themebase = string(THEMESDIR) + "/";
+		const 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)
-- 
2.39.2

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<tr><td><span title='2024-11-28 11:05:02 +0200'>2024-11-28</span></td><td><a href='/guix/commit/etc/teams?id=00acb49a9956231bc589bba92c22c4add0c9565b'>teams: rust: Add another manifest.</a><span class='msg-avail'>...<span class='msg-tooltip'>Change-Id: Icabed521eb71fa94237246b181974716bc8a3858
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2024-03-19 03:40:08 -0400'>2024-03-19</span></td><td><a href='/guix/commit/etc/teams?id=a8ba2f3507d03ec77506a03bf84d62f9cb439f8e'>teams: qt: Remove erroneous comment at top of scripts.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/teams/qt/common.scm: Remove erroneous comment.
* etc/teams/qt/qt-manifest.scm: Likewise.
* etc/teams/qt/qt5-manifest.scm: Likewise.

Change-Id: I87a0ea669caa0ba5049b48a4f04fda58518c3f05
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2024-01-04 12:31:45 +0200'>2024-01-04</span></td><td><a href='/guix/commit/etc/teams?id=8b559b37eafbf51fe4a602c091754a38b8ad28f7'>etc: Add rust-team manifest.</a><span class='msg-avail'>...<span class='msg-tooltip'>Change-Id: Ie43bd4a88d35270dcac7baaabeafbcc3a755db1e
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-08-22 12:32:20 -0400'>2023-08-22</span></td><td><a href='/guix/commit/etc/teams?id=0b994bb9b10b381376f1dfd8bd2bc9173ede2a66'>etc: Add Qt manifests for Qt maintenance.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/teams/qt/common.scm: New file.
* etc/teams/qt/qt-manifest.scm: Likewise.
* etc/teams/qt/qt5-manifest.scm: Likewise.
</span></span></td><td>Maxim Cournoyer</td></tr>