Merge 17f1350 into 914e00d

core/break.lua

@@ -694,9 +694,13 @@ end
 
 function lineBreak:dumpActiveRing()
   local p = self.activeListHead
-  io.stderr:write("\n")
+  if not SILE.quiet then
+    io.stderr:write("\n")
+  end
   repeat
-    if p == self.r then io.stderr:write("-> ") else io.stderr:write("   ") end
+    if not SILE.quiet then
+      if p == self.r then io.stderr:write("-> ") else io.stderr:write("   ") end
+    end
     SU.debug("break", lineBreak:describeBreakNode(p))
     p = p.next
   until p == self.activeListHead

core/cli.lua

@@ -29,6 +29,7 @@ cli.parseArguments = function ()
   cliargs:option("-p, --preamble=FILE", "process SIL, XML, or other content before the input document", {})
   cliargs:option("-P, --postamble=FILE", "process SIL, XML, or other content after the input document", {})
   cliargs:option("-u, --use=MODULE[[PARAMETER=VALUE][,PARAMETER=VALUE]]", "load and initialize a module before processing input", {})
+  cliargs:flag("-q, --quiet", "suppress warnings and informational messages during processing")
   cliargs:flag("-t, --traceback", "display detailed location trace on errors and warnings")
   cliargs:flag("-h, --help", "display this help, then exit")
   cliargs:flag("-v, --version", "display version information, then exit", print_version)
@@ -122,6 +123,7 @@ cli.parseArguments = function ()
     return summary(...) .. "\n\nRun with --traceback for more detailed trace leading up to errors."
   end
   SILE.errorHandler = opts.traceback and trace or identity
+  SILE.quiet = opts.quiet
   SILE.traceback = opts.traceback
 end
 

core/sile.lua

@@ -284,7 +284,9 @@ function SILE.processString (doc, format, filename, options)
     inputter = SILE.inputter
   else
     format = format or detectFormat(doc, filename)
-    io.stderr:write(("<%s> as %s\n"):format(SILE.currentlyProcessingFile, format))
+    if not SILE.quiet then
+      io.stderr:write(("<%s> as %s\n"):format(SILE.currentlyProcessingFile, format))
+    end
     inputter = SILE.inputters[format](options)
     -- If we did content detection *and* this is the master file, save the
     -- inputter for posterity and postambles
@@ -432,7 +434,9 @@ function SILE.finish ()
   SILE.documentState.documentClass:finish()
   SILE.font.finish()
   runEvals(SILE.input.evaluateAfters, "evaluate-after")
-  io.stderr:write("\n")
+  if not SILE.quiet then
+    io.stderr:write("\n")
+  end
 end
 
 -- Internal libraries that run core SILE functions on load

core/utilities.lua

@@ -42,6 +42,7 @@ utilities.error = function(message, bug)
 end
 
 utilities.warn = function(message, bug)
+  if SILE.quiet then return end
   io.stderr:write("\n! " .. message)
   if SILE.traceback or bug then
     io.stderr:write(" at:\n" .. SILE.traceStack:locationTrace())
@@ -105,6 +106,7 @@ utilities.deprecated = function (old, new, warnat, errorat, extra)
 end
 
 utilities.debug = function (category, ...)
+  if SILE.quiet then return end
   if utilities.debugging(category) then
     local inputs = table.pack(...)
     for i, input in ipairs(inputs) do

packages/folio/init.lua

@@ -10,7 +10,9 @@ end
 function package:outputFolio (frame)
   if not frame then frame = "folio" end
   local folio = self.class.packages.counters:formatCounter(SILE.scratch.counters.folio)
-  io.stderr:write("[" .. folio .. "] ")
+  if not SILE.quiet then
+    io.stderr:write("[" .. folio .. "] ")
+  end
   if SILE.scratch.counters.folio.off then
     if SILE.scratch.counters.folio.off == 2 then
       SILE.scratch.counters.folio.off = false

sile.in

@@ -82,7 +82,7 @@ io.stdout:setvbuf 'no'
 
 SILE.cli:parseArguments()
 
-if not os.getenv 'LUA_REPL_RLWRAP' then
+if not os.getenv 'LUA_REPL_RLWRAP' and not SILE.quiet then
   io.stderr:write(SILE.full_version .. '\n')
 end
 
@@ -109,7 +109,9 @@ if SILE.masterFilename then
 
   -- Deprecated, notice given in core.cli when argument used
   for _, path in ipairs(SILE.input.includes) do
-    io.stderr:write("Loading "..path.."\n")
+    if not SILE.quiet then
+      io.stderr:write("Loading "..path.."\n")
+    end
     local c = SILE.resolveFile(path, "classes")
     if c then
       SILE.processFile(c)