dev-libs/libinput: fix build w/ sphinx 6

Closes: https://bugs.gentoo.org/889908
Bug: https://bugs.gentoo.org/891371
Signed-off-by: Sam James <sam@gentoo.org>

dev-libs/libinput/files/libinput-1.22.1-sphinx-6.patch

@@ -0,0 +1,28 @@
+https://bugs.gentoo.org/891371
+https://bugs.gentoo.org/889908
+https://gitlab.freedesktop.org/libinput/libinput/-/commit/bf2e8a406e6ebfdb62ffa67f00822c17ff9b2c6a
+
+From bf2e8a406e6ebfdb62ffa67f00822c17ff9b2c6a Mon Sep 17 00:00:00 2001
+From: Peter Hutterer <peter.hutterer@who-t.net>
+Date: Tue, 17 Jan 2023 12:28:58 +1000
+Subject: [PATCH] doc/user: fix sphinx warning
+
+WARNING: extlinks: Sphinx-6.0 will require a caption string to contain
+exactly one '%s' and all other '%' need to be escaped as '%%'.
+
+Well, let's do that then!
+
+Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
+--- a/doc/user/conf.py.in
++++ b/doc/user/conf.py.in
+@@ -169,7 +169,7 @@ from recommonmark.parser import CommonMarkParser
+ 
+ extlinks = { 'commit' :
+ 		('https://gitlab.freedesktop.org/libinput/libinput/commit/%s',
+-			'git commit ')
++			'git commit %s')
+ }
+ 
+ # -- git version hack -------------------------------------------------
+-- 
+GitLab

dev-libs/libinput/libinput-1.22.1.ebuild

@@ -44,6 +44,10 @@ BDEPEND="
 "
 #	test? ( dev-util/valgrind )
 
+PATCHES=(
+	"${FILESDIR}"/${P}-sphinx-6.patch
+)
+
 python_check_deps() {
 	python_has_version "dev-python/commonmark[${PYTHON_USEDEP}]" && \
 	python_has_version "dev-python/recommonmark[${PYTHON_USEDEP}]" && \