Move quarto detection back into build

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = rstudio-desktop
 	pkgdesc = A powerful and productive integrated development environment (IDE) for R programming language
 	pkgver = 2023.09.0.463
-	pkgrel = 1
+	pkgrel = 2
 	url = https://www.rstudio.com/products/rstudio/
 	arch = x86_64
 	license = AGPL3
@@ -18,7 +18,6 @@ pkgbase = rstudio-desktop
 	makedepends = patchelf
 	makedepends = wget
 	makedepends = yarn
-	makedepends = quarto
 	depends = r>=3.3.0
 	depends = boost-libs
 	depends = qt5-sensors

PKGBUILD

@@ -15,7 +15,7 @@ _nodever=16.14.0
 _pandocver="current"
 _quarto="FALSE"
 
-pkgrel=1
+pkgrel=2
 pkgdesc="A powerful and productive integrated development environment (IDE) for R programming language"
 arch=('x86_64')
 url="https://www.rstudio.com/products/rstudio/"
@@ -41,14 +41,6 @@ sha256sums=('b9bf940513ee7a2d96d636963a400e60bfc263865f9b90e69866f5164a53a684'
 
 noextract=("gin-${_ginver}.zip")
 
-# Choose build options: either with or without quarto
-if (pacman -Q quarto >/dev/null 2>/dev/null) ; then
-    _quarto="TRUE"
-    makedepends+=('quarto')
-else
-    _quarto="FALSE"
-fi
-
 prepare() {
     cd ${srcdir}/${_srcname}
     # Do not use outdated version name of pandoc
@@ -78,13 +70,15 @@ prepare() {
 
 build() {
     # Quarto set up
-    if [ ${_quarto} = "TRUE" ]; then
+    if (pacman -Q quarto >/dev/null 2>/dev/null) ; then
+        _quarto="TRUE"
         msg "Quarto is installed, include it to build"
         cd "${srcdir}/${_srcname}/dependencies"
         install -d quarto/bin/tools
         ln -sfT /usr/bin/quarto quarto/bin/quarto
         ln -sfT /usr/bin/pandoc quarto/bin/tools/pandoc
     else
+        _quarto="FALSE"
         msg "Quarto is not installed, use Pandoc"
         cd "${srcdir}/${_srcname}/dependencies"
         install -d pandoc/${_pandocver}/bin/tools