Lookup gzdoom pk3 files in the installed directory in
addition to the path that is stored in ~/.config/gzdoom/.

Simply replacing the hardcoded /usr/share would leave the
configfile pointing to outdated guix builds, which could get
garbage collected and break the gzdoom installation.
This ensures that the files installed with the corresponding
build will be used.

--- /src/d_main.cpp	2018-01-16 22:13:09.700602781 +0200
+++ /src/d_main.cpp	2018-01-16 22:22:36.560617961 +0200
@@ -1716,6 +1716,11 @@
 		return wad;
 	}
 
+    mysnprintf (wad, countof(wad), "%s/%s", GUIX_OUT_PK3, file);
+    if (DirEntryExists (wad)) {
+        return wad;
+    }
+
 	if (GameConfig != NULL && GameConfig->SetSection ("FileSearch.Directories"))
 	{
 		const char *key;
szko</option>
<option value='koszko-scripts'>koszko-scripts</option>
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<div class='path'>path: <a href='/guix/log/?id=9829f53a3f88884e245e962073528be46918ad2e'>root</a>/<a href='/guix/log/gnu?id=9829f53a3f88884e245e962073528be46918ad2e'>gnu</a>/<a href='/guix/log/gnu/packages?id=9829f53a3f88884e245e962073528be46918ad2e'>packages</a>/<a href='/guix/log/gnu/packages/libffi.scm?id=9829f53a3f88884e245e962073528be46918ad2e'>libffi.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/libffi.scm?id=9829f53a3f88884e245e962073528be46918ad2e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-05-31 14:53:57 -0400'>2022-05-31</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=5e6cc60122bc482c2e6825ce645238637a41026d'>gnu: Remove python2-cffi.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/libffi.scm (python2-cffi): Delete variable.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-01-12 23:50:14 +0100'>2022-01-12</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=a16ca6b38113900b28e219478703c37cd0250042'>gnu: python-cffi: Add 1.15.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/libffi.scm (python-cffi-1.15): New variable.
</span></span></td><td>Marius Bakke</td></tr>
d></tr>
<tr><td><span title='2022-04-13 23:53:18 +0300'>2022-04-13</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=5743d505834a8b13778da2c969ea4e15bb7a3a75'>gnu: gama: Update to 2.18.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gps.scm (gama): Update to 2.18.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-02-08 18:21:31 +0100'>2022-02-08</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=97b50ba171c4a06a8228f1f1f3b4ca208afcdb93'>gnu: gpxsee: Update to 10.3.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gps.scm (gpxsee): Update to 10.3.

Signed-off-by: Nicolas Goaziou &lt;mail@nicolasgoaziou.fr&gt;
</span></span></td><td>Nikolay Korotkiy via Guix-patches via</td></tr>
<tr><td><span title='2022-01-20 17:49:46 +0200'>2022-01-20</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=3e62af6f3b2efcf3181094be79da237ac9208d46'>gnu: gama: Update to 2.17.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gps.scm (gama): Update to 2.17.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-12-10 21:49:25 +0100'>2021-12-10</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=32750e8c3ed38df4cafb39cffa878c6851abc899'>Merge remote-tracking branch 'signed/master' into core-updates</a></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2021-12-10 00:45:53 +0100'>2021-12-10</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=1825e4548493051070316e2a12802797e8c72b84'>gnu: gpxsee: Update to 10.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gps.scm (gpxsee): Update to 10.0.

Signed-off-by: Nicolas Goaziou &lt;mail@nicolasgoaziou.fr&gt;
</span></span></td><td>Nikolay Korotkiy</td></tr>
<tr><td><span title='2021-10-12 17:46:23 +0000'>2021-10-12</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=a1eca979fb8da842e73c42f4f53be29b169810f2'>Merge remote-tracking branch 'origin/master' into core-updates-frozen.</a></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2021-10-04 13:31:37 +0200'>2021-10-04</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=308ed1dd4459182b70f191a660f57f74c9beb483'>gnu: gpsd: Update to 3.23.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gps.scm (gpsd): Update to 3.23.1.
[arguments]: Don't explicitly return #t from phases.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-09-25 09:34:29 +0200'>2021-09-25</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=a5b2474037d749f42a816c60f0393941ba97444e'>gnu: Consolidate duplicate copyright names.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/android.scm: Consolidate copyright lines with the same email address.
* gnu/packages/code.scm: Likewise.
* gnu/packages/cpp.scm: Likewise.
* gnu/packages/databases.scm: Likewise.
* gnu/packages/emacs-xyz.scm: Likewise.
* gnu/packages/file.scm: Likewise.
* gnu/packages/freedesktop.scm: Likewise.
* gnu/packages/gl.scm: Likewise.
* gnu/packages/gps.scm: Likewise.
* gnu/packages/linux.scm: Likewise.
* gnu/packages/networking.scm: Likewise.
* gnu/packages/python-xyz.scm: Likewise.
* gnu/packages/python.scm: Likewise.
* gnu/packages/video.scm: Likewise.
* gnu/packages/xdisorg.scm: Likewise.
* gnu/services/web.scm: Likewise.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Greg Hogan</td></tr>
<tr><td><span title='2021-09-22 10:59:30 +0300'>2021-09-22</span></td><td><a href='/guix/commit/gnu/packages/gps.scm?id=688c456a67ab9bb1b98593f8fea0e90dc9525da9'>gnu: gama: Update to 2.15.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gps.scm (gama): Update to 2.15.
</span></span></td><td>Efraim Flashner</td></tr>