This patch ensures that the 'tclIndex' files generated by 'auto_mkindex'
are sorted in a deterministic fashion.

Fixes a non-determinism issue reported
at <https://lists.gnu.org/archive/html/guix-devel/2015-10/msg00696.html>.

--- tcl8.6.4/library/auto.tcl	2015-02-26 17:57:28.000000000 +0100
+++ tcl8.6.4/library/auto.tcl	2015-11-13 23:18:34.964831717 +0100
@@ -207,6 +207,9 @@ proc auto_mkindex {dir args} {
 	set args *.tcl
     }
 
+    # Keep file names sorted in a determistic order.
+    set args [lsort -ascii $args]
+
     auto_mkindex_parser::init
     foreach file [glob -- {*}$args] {
 	try {
@@ -241,6 +244,10 @@ proc auto_mkindex_old {dir args} {
     if {![llength $args]} {
 	set args *.tcl
     }
+
+    # Keep file names sorted in a determistic order.
+    set args [lsort -ascii $args]
+
     foreach file [glob -- {*}$args] {
 	set f ""
 	set error [catch {
ue='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=f634a0baab85454a6feac25e29905f564b276c9e'>refs</a><a class='active' href='/guix/log/po/doc/guix-cookbook.fa.po'>log</a><a href='/guix/tree/po/doc/guix-cookbook.fa.po?id=f634a0baab85454a6feac25e29905f564b276c9e'>tree</a><a href='/guix/commit/po/doc/guix-cookbook.fa.po?id=f634a0baab85454a6feac25e29905f564b276c9e'>commit</a><a href='/guix/diff/po/doc/guix-cookbook.fa.po?id=f634a0baab85454a6feac25e29905f564b276c9e'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/po/doc/guix-cookbook.fa.po'>
<input type='hidden' name='id' value='f634a0baab85454a6feac25e29905f564b276c9e'/><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=f634a0baab85454a6feac25e29905f564b276c9e'>root</a>/<a href='/guix/log/po?id=f634a0baab85454a6feac25e29905f564b276c9e'>po</a>/<a href='/guix/log/po/doc?id=f634a0baab85454a6feac25e29905f564b276c9e'>doc</a>/<a href='/guix/log/po/doc/guix-cookbook.fa.po?id=f634a0baab85454a6feac25e29905f564b276c9e'>guix-cookbook.fa.po</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/po/doc/guix-cookbook.fa.po?id=f634a0baab85454a6feac25e29905f564b276c9e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-10-17 22:10:25 +0200'>2021-10-17</span></td><td><a href='/guix/commit/po/doc/guix-cookbook.fa.po?id=15c91189cb61c579f4289047c79530cefe75215f'>nls: Update translations.</a></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-09-02 04:06:52 +0200'>2021-09-02</span></td><td><a href='/guix/commit/po/doc/guix-cookbook.fa.po?id=1ff2092a39dc5c7c7cd9b4a0ba4b59f92e738efc'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/packages/it.po: New file.
* po/packages/LINGUAS: Add `it'.
* po/*/*.po: Update translations.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-08-04 14:49:53 +0200'>2021-08-04</span></td><td><a href='/guix/commit/po/doc/guix-cookbook.fa.po?id=6c10c96fedf707d7be059aeb79bd5c8e2d2fa210'>nls: Update translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/doc/guix-cookbook.ru.po: New file.
* po/doc/guix-cookbook.sk.po: New file.
* po/*/*.po: Update translations.
* doc/local.mk (COOKBOOK_LANGUAGES): Add ru and sk.
(info_TEXINFOS): Add Russian and Slovak cookbooks.
* po/doc/local.mk (DOC_COOKBOOK_PO_FILES): Add Russian and Slovak po
files.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2021-05-10 22:34:43 -0400'>2021-05-10</span></td><td><a href='/guix/commit/po/doc/guix-cookbook.fa.po?id=21fcced608c93e1ac836cdd9ab8c5d200c667e75'>nls: Update translations.</a></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-04-18 13:18:17 +0200'>2021-04-18</span></td><td><a href='/guix/commit/po/doc/guix-cookbook.fa.po?id=43fb84da6749a78d12ac0f13db4cecb435de7903'>nls: Add Persian translation.</a><span class='msg-avail'>...<span class='msg-tooltip'>* po/packages/fa.po: New file.
* po/packages/LINGUAS: Add 'fa'.
* po/doc/guix-cookbook.fa.po: New file.
* po/doc/guix-manual.fa.po: New file.
* po/doc/local.mk (DOC_PO_FILES, DOC_COOKBOOK_PO_FILES): Add them.
* doc/local.mk (info_TEXINFOS): Add them.
</span></span></td><td>Julien Lepiller</td></tr>