PS: This has to be applied ontop of my sidebar-dotted patch, but it
should be easy to adopt it to a vanilla mutt.
-Index: mutt/sidebar.c
-===================================================================
---- mutt.orig/sidebar.c 2009-06-25 12:36:59.000000000 +0200
-+++ mutt/sidebar.c 2009-06-25 12:37:03.000000000 +0200
+--- a/sidebar.c
++++ b/sidebar.c
@@ -54,6 +54,35 @@
for ( ; tmp->next != 0; tmp = tmp->next )
tmp->next->prev = tmp;
+ needsort=0;
+ tmp = Incoming;
+ for ( ; tmp ; tmp=tmp->next ) {
-+ if (tmp->next != NULL && strcmp(tmp->path, tmp->next->path) > 0) {
++ if (tmp->next != NULL && strcoll(tmp->path, tmp->next->path) > 0) {
+ needsort=1;
+ prev = tmp->prev;
+ next = tmp->next;
if ( TopBuffy == 0 && BottomBuffy == 0 )
TopBuffy = Incoming;
if ( BottomBuffy == 0 ) {
-Index: mutt/init.h
-===================================================================
---- mutt.orig/init.h 2009-06-25 12:36:59.000000000 +0200
-+++ mutt/init.h 2009-06-25 12:37:03.000000000 +0200
-@@ -1974,6 +1974,11 @@
+--- a/init.h
++++ b/init.h
+@@ -1986,6 +1986,11 @@
** .pp
** Should the sidebar shorten the path showed.
*/
{ "pgp_use_gpg_agent", DT_BOOL, R_NONE, OPTUSEGPGAGENT, 0},
/*
** .pp
-Index: mutt/mutt.h
-===================================================================
---- mutt.orig/mutt.h 2009-06-25 12:36:59.000000000 +0200
-+++ mutt/mutt.h 2009-06-25 12:37:03.000000000 +0200
-@@ -427,6 +427,7 @@
+--- a/mutt.h
++++ b/mutt.h
+@@ -433,6 +433,7 @@
OPTSCORE,
OPTSIDEBAR,
OPTSIDEBARSHORTPATH,
OPTSIGDASHES,
OPTSIGONTOP,
OPTSORTRE,
+--- a/debian/extra/samples/sidebar.muttrc
++++ b/debian/extra/samples/sidebar.muttrc
+@@ -55,6 +55,9 @@
+ # When using IMAP, a '.' is often used as a separator. This option
+ # allows to shorten the folder name to the part after the last dot.
+ #
++# sidebar_sort (boolean)
++# Sorts the folders in the sidebar alphabetically.
++#
+ # color sidebar_new [fg] [bg]
+ # The foreground (fg) and background (bg) color of folders that contain new
+ # mail.