allow more control over what is rendered

lib/matisse-thesis.typ

@@ -37,20 +37,13 @@
   // text lang
   lang: "en",
   school-color-verso: school-color-verso,
-  abstract-only: false,
+  show_cover: true,
+  show_body: true,
+  show_abstracts: true,
   body
 ) = {
   assert-etablissements(university)
 
-  let show_cover = true
-  let show_body = true
-  let show_abstracts = true
-  if abstract-only {
-    show_cover = false
-    show_body = false
-    show_abstracts = true
-  }
-
   if draft {
     [== DRAFT - #title-en]
     // if typst was called with `--input commit=$(git rev-parse --short HEAD)`, add the current commit:
@@ -276,7 +269,7 @@
       title-fr: title-fr, keywords-fr: keywords-fr, abstract-fr: abstract-fr,
       title-en: title-en, keywords-en: keywords-en, abstract-en: abstract-en,
       font: abstract-font, font-size: abstract-font-size, school-color-verso: school-color-verso,
-      align-to-even-page: not abstract-only
+      align-to-even-page: show_body, // Don't add blank pages when the body is not shown
     )
   }
 }

template/main.typ

@@ -14,14 +14,26 @@
   true
 }
 
-#let abstract-only = if "abstract-only" in sys.inputs {
+#let (show_cover, show_body, show_abstracts) = {
+  let show_cover = true
+  let show_body = true
+  let show_abstracts = true
+  let abstract-only = false
+  
+  if "abstract-only" in sys.inputs {
     assert(
-    sys.inputs.abstract-only == "true" or sys.inputs.draft == "false",
+      sys.inputs.abstract-only == "true" or sys.inputs.abstract-only == "false",
       message: "If --input abstract-only=<val> is set, <val> must be 'true', or 'false'"
     )
-  sys.inputs.abstract-only  == "true"
-} else {
-  false
+    if sys.inputs.abstract-only  == "true" {
+      show_cover = false
+      show_body = false
+      show_abstracts = true
+      abstract-only = true
+    }
+  }
+
+  (show_cover, show_body, show_abstracts)
 }
 
 #show: matisse-thesis.with(
@@ -38,7 +50,9 @@
   abstract-en: abstract-en,
   abstract-fr: abstract-fr,
   draft: draft,
-  abstract-only: abstract-only,
+  show_cover: show_cover,
+  show_body: show_body,
+  show_abstracts: show_abstracts,
 )
 
 // Preamble