mail-client/mutt: add patch to fix drawing glitch in index view

Package-Manager: portage-2.2.28-prefix

mail-client/mutt/files/mutt-1.6.1-neomutt-index_format_truncation_problem.patch

@@ -0,0 +1,32 @@
+From 099af5ae3e21bdceb3baf871e4b0a8926205e707 Mon Sep 17 00:00:00 2001
+From: Richard Russon <rich@flatcap.org>
+Date: Wed, 15 Jun 2016 16:47:22 +0100
+Subject: [PATCH] fix index_format truncation problem
+
+mutt_wstr_trunc() didn't take index coloring into account when measuring a
+string's length.  When combined with a soft-fill '%* ' in the index_format it
+lead to formatting problems.
+
+Fixes: #51
+---
+ curs_lib.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/curs_lib.c b/curs_lib.c
+index ce4e56d..9a3f5e5 100644
+--- a/curs_lib.c
++++ b/curs_lib.c
+@@ -1201,7 +1201,12 @@ size_t mutt_wstr_trunc (const char *src, size_t maxlen, size_t maxwid, size_t *w
+     cw = wcwidth (wc);
+     /* hack because MUTT_TREE symbols aren't turned into characters
+      * until rendered by print_enriched_string (#3364) */
+-    if (cw < 0 && cl == 1 && src[0] && src[0] < MUTT_TREE_MAX)
++    if ((cw < 0) && (src[0] == MUTT_SPECIAL_INDEX))
++    {
++      cl = 2; /* skip the index coloring sequence */
++      cw = 0;
++    }
++    else if (cw < 0 && cl == 1 && src[0] && src[0] < MUTT_TREE_MAX)
+       cw = 1;
+     else if (cw < 0)
+       cw = 0;			/* unprintable wchar */

mail-client/mutt/mutt-1.6.1-r2.ebuild

@@ -106,6 +106,7 @@ src_prepare() {
 		-e '/ReachingUs = N_(/a\"This release of Mutt is heavily enriched by NeoMutt patches.\\nFor this reason, any bugs are better reported at https://bugs.gentoo.org/\\nor directly to the NeoMutt project.\\n\\n"' \
 		version.c || die "Failed to add bug instructions"
 
+	epatch "${FILESDIR}"/mutt-1.6.1-neomutt-index_format_truncation_problem.patch
 	local upatches=
 	# allow user patches
 	eapply_user && upatches=" with user patches"