docs: build info

build.lua

@@ -1,25 +1,42 @@
 #!/usr/bin/env texlua
 
+--[[
+    In short, to build the project:
+      l3build ctan
+]]
+
 module           = "presenter"
 
 docfiledir       = "texmf/doc/latex/" .. module
 typesetfiles     = {"presenter-doc.tex"}
 
 sourcefiledir    = "texmf/source/latex/" .. module
 
+-- l3build check
+-- Checking will copy the unpack files to the final directory.
 testfiledir      = "testfiles"
 testsuppdir      = testfiledir .. "/support"
+installfiles   = {"*.sty", "*.cls"}
+extraunpackdir = "texmf/tex/latex/" .. module
+function checkinit_hook()
+    for _,src in pairs(installfiles) do
+        cp(src, unpackdir, extraunpackdir)
+    end
+    return 0
+end
 
+-- l3build doc
+-- prepare the test pdf in the doc (should be done after 'l3build check')
 maindir          = "."
 builddir         = maindir .. "/build"
 testdir          = builddir .. "/test"
 typesetdir       = builddir .. "/doc"
--- prepare the test pdf in the doc
 function docinit_hook()
     cp("*.pdf", testdir, typesetdir)
     return 0
 end
 
+-- l3build tag x.x.x
 -- Simple tagging, copyright information needs manual update.
 tagfiles         = {"*.dtx","presenter-doc.tex"}
 function update_tag(file, content, tagname, tagdate)
@@ -34,15 +51,3 @@ function update_tag(file, content, tagname, tagdate)
     end
     return content
 end
-
-installfiles   = {"*.sty", "*.cls"}
-extraunpackdir = "texmf/tex/latex/" .. module
-
--- Checking will copy the unpack files to the final directory.
-function checkinit_hook()
-    for _,src in pairs(installfiles) do
-        cp(src, unpackdir, extraunpackdir)
-    end
-
-    return 0
-end