media-libs/imgui: drop 1.87-r6, 1.87-r8, add 1.87-r9

* fix bug with patch applying before imgui folder be added

Closes: https://bugs.gentoo.org/924126
Signed-off-by: Gonçalo Negrier Duarte <gonegrier.duarte@gmail.com>

media-libs/imgui/imgui-1.87-r6.ebuild

@@ -1,113 +0,0 @@
-# Copyright 1999-2022 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit cmake
-
-DESCRIPTION="Bloat-free graphical user interface library for C++"
-HOMEPAGE="
-	https://github.com/ocornut/imgui
-	https://github.com/cimgui/cimgui
-"
-SRC_URI="
-	https://github.com/ocornut/imgui/archive/v${PV}.tar.gz -> ${P}.gh.tar.gz
-	https://github.com/cimgui/cimgui/archive/refs/tags/${PV}.tar.gz -> c${P}.gh.tar.gz
-"
-
-LICENSE="MIT"
-SLOT="0/${PV}"
-KEYWORDS="~amd64"
-IUSE="allegro bindings examples freetype glfw glut opengl sdl vulkan"
-S="${WORKDIR}/c${P}"
-
-RDEPEND="
-	dev-libs/stb:=
-	allegro? ( media-libs/allegro:5 )
-	freetype? ( media-libs/freetype )
-	glfw? ( media-libs/glfw:0 )
-	glut? ( media-libs/freeglut )
-	opengl? ( virtual/opengl )
-	sdl? ( media-libs/libsdl2 )
-	vulkan? ( media-libs/vulkan-loader )
-"
-DEPEND="
-	${RDEPEND}
-	vulkan? ( dev-util/vulkan-headers )
-"
-BDEPEND="
-	bindings? ( dev-lang/luajit )
-	virtual/pkgconfig
-"
-
-REQUIRED_USE="
-	|| (
-		allegro
-		glfw
-		glut
-		sdl
-	)
-	|| (
-		allegro
-		opengl
-		vulkan
-	)
-"
-
-PATCHES=( "${FILESDIR}/${P}-fpermissive.patch" )
-
-src_prepare() {
-	pushd ../ || die
-	rm -rf "${S}/imgui" || die
-	mv "${P}" "${S}/imgui" || die
-	pushd "${S}/imgui" || die
-
-	# imgui
-	rm -r examples/libs || die
-	rm -r misc/*/*.ttf || die
-	rm -r misc/single_file || die
-
-	cp "${FILESDIR}/${P}-CMakeLists.txt" CMakeLists.txt || die
-	cp "${FILESDIR}/imgui.pc.in" imgui.pc.in || die
-	sed -e "s|@version@|${PV}|g" -i imgui.pc.in || die
-
-	pushd "${S}" || die
-	cp "${FILESDIR}/c${P}-CMakeLists.txt" CMakeLists.txt || die
-	# remove files to be generated
-	rm cimgui.cpp cimgui.h || die
-	cmake_src_prepare
-}
-
-src_configure() {
-	local mycmakeargs=(
-		-DIMGUI_ALLEGRO=$(usex allegro)
-		-DIMGUI_BINDINGS=$(usex bindings)
-		-DIMGUI_EXAMPLES=$(usex examples)
-		-DIMGUI_FREETYPE=$(usex freetype)
-		-DIMGUI_GLFW=$(usex glfw)
-		-DIMGUI_GLUT=$(usex glut)
-		-DIMGUI_OPENGL=$(usex opengl)
-		-DIMGUI_SDL=$(usex sdl)
-		-DIMGUI_VULKAN=$(usex vulkan)
-	)
-	cmake_src_configure
-}
-
-src_install() {
-
-	cmake_src_install
-
-	pushd imgui || die
-	# imgui
-	rm -rf misc/{fonts,freetype} || die
-	dodoc -r misc
-
-	popd || die
-
-	if use bindings; then
-		# cimgui
-
-		insinto "/usr/share/doc/${PF}/cimgui"
-		doins README.md TODO.txt
-	fi
-}

media-libs/imgui/imgui-1.87-r9.ebuild

@@ -56,13 +56,20 @@ REQUIRED_USE="
 
 PATCHES=( "${FILESDIR}/${P}-fpermissive.patch" )
 
-multilib_src_prepare() {
-	pushd ../ || die
+src_unpack() {
+	# unpack imgui and cimgui to ${WORKDIR}
+	unpack "${P}.gh.tar.gz"
+    unpack "c${P}.gh.tar.gz"
+
+	# move imgui to the proper location before the patch (Bug #924126)
+	pushd ${WORKDIR} || die
 	rm -rf "${S}/imgui" || die
 	mv "${P}" "${S}/imgui" || die
-	pushd "${S}/imgui" || die
+}
 
+multilib_src_prepare() {
 	# imgui
+	pushd "${S}/imgui" || die
 	rm -r examples/libs || die
 	rm -r misc/*/*.ttf || die
 	rm -r misc/single_file || die