app-text/cb2bib: Drop useless REQUIRED_USE, drop IUSE="webengine"

- Non-deprecated QtWebEngine is default now
- IUSE=webkit alone checks preference

Package-Manager: Portage-3.0.8, Repoman-3.0.1
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

app-text/cb2bib/cb2bib-2.0.0.ebuild

@@ -12,9 +12,7 @@ SRC_URI="https://www.molspaces.com/dl/progs/${P}.tar.gz"
 LICENSE="GPL-3"
 SLOT="0"
 KEYWORDS="amd64 x86"
-IUSE="+lzo webengine +webkit"
-
-REQUIRED_USE="?? ( webkit webengine )"
+IUSE="+lzo webkit"
 
 DEPEND="
 	dev-qt/qtcore:5
@@ -22,7 +20,7 @@ DEPEND="
 	dev-qt/qtnetwork:5
 	dev-qt/qtwidgets:5
 	lzo? ( dev-libs/lzo:2 )
-	webengine? ( dev-qt/qtwebengine:5[widgets] )
+	!webkit? ( dev-qt/qtwebengine:5[widgets] )
 	webkit? ( dev-qt/qtwebkit:5 )
 "
 RDEPEND="${DEPEND}"
@@ -32,10 +30,14 @@ DOCS=( AUTHORS CHANGELOG COPYRIGHT )
 src_prepare() {
 	default
 
-	sed -i -e "s|../AUTHORS ../COPYRIGHT ../LICENSE ../CHANGELOG||" src/src.pro || die
+	sed -e "s|../AUTHORS ../COPYRIGHT ../LICENSE ../CHANGELOG||" \
+		-i src/src.pro || die
 
-	use webengine || sed -i -e "s/qtHaveModule(webenginewidgets)/false/g" src/src.pro || die
-	use webkit || sed -i -e "s/qtHaveModule(webkitwidgets)/false/g" src/src.pro || die
+	if use webkit; then
+		sed -i -e "s/qtHaveModule(webenginewidgets)/false/g" src/src.pro || die
+	else
+		sed -i -e "s/qtHaveModule(webkitwidgets)/false/g" src/src.pro || die
+	fi
 }
 
 src_configure() {

app-text/cb2bib/metadata.xml

@@ -6,7 +6,7 @@
 		<name>Gentoo Qt Project</name>
 	</maintainer>
 	<use>
-		<flag name="webengine">Use <pkg>dev-qt/qtwebengine</pkg> instead of <pkg>dev-qt/qtwebkit</pkg></flag>
+		<flag name="webkit">Use <pkg>dev-qt/qtwebkit</pkg> instead of <pkg>dev-qt/qtwebengine</pkg></flag>
 	</use>
 	<upstream>
 		<bugs-to>mailto:webmaster@molspaces.com</bugs-to>