app-text/wgetpaste: use optfeature.eclass

Use optfeature.eclass to notify users about support for stripping ANSI
codes and xclip integration if app-text/ansifilter and/or x11-misc/xclip
are not installed, respectively.

Signed-off-by: Oskari Pirhonen <xxc3ncoredxx@gmail.com>
Closes: https://github.com/gentoo/gentoo/pull/28379
Signed-off-by: Sam James <sam@gentoo.org>

app-text/wgetpaste/wgetpaste-2.33-r1.ebuild

@@ -3,6 +3,8 @@
 
 EAPI=8
 
+inherit optfeature
+
 DESCRIPTION="Command-line interface to various pastebins"
 HOMEPAGE="https://wgetpaste.zlin.dk/"
 SRC_URI="https://github.com/zlin/wgetpaste/releases/download/${PV}/${P}.tar.xz"
@@ -36,3 +38,8 @@ src_install() {
 	insinto /usr/share/zsh/site-functions
 	doins _wgetpaste
 }
+
+pkg_postinst() {
+	optfeature "ANSI (color code) stripping support" app-text/ansifilter
+	optfeature "xclip support" x11-misc/xclip
+}