Added --date option for specifying the date to build for ('now' being the default).

The same 'now' time is now used everywhere.

Author: ReFreezed

build/meta.lua

@@ -381,6 +381,7 @@ do
 	local function outputArgumentChecks(errLevel, argsStr)
 		local optionalPos = argsStr:find("?", 1, true) or #argsStr
 		local n           = 1
+		local first       = true
 
 		for pos, argNames, types in argsStr:gmatch"()([%w_,]+):([%w_,*]+)" do
 			if types == "*" then
@@ -395,8 +396,11 @@ do
 				local typesText     = multipleTypes and types:gsub(",",      " or ") or types
 
 				for argName in argNames:gmatch"[%w_]+" do
+					if not first then  __LUA"\n"  end
+					first = false
+
 					__LUA(F(
-						"if %s then  errorf(%d, \"Bad argument #%d '%s'. (Expected %s, got %%s)\", type(%s))  end\n",
+						"if %s then  errorf(%d, \"Bad argument #%d '%s'. (Expected %s, got %%s)\", type(%s))  end",
 						ifFormat:format(argName, typesCode),
 						errLevel + 1,
 						n,

src/app.lua2p

@@ -305,6 +305,12 @@ local function setup()
 			elseif arg == "--autobuild" then
 				_G.autobuild = true
 
+			elseif arg == "--date" then
+				i              = i + 1
+				local datetime = programArguments[i] or errorNoPos("[Arguments] Missing datetime value after '%s'.", argRaw)
+				_G.nowTime     = datetimeToTime(datetime)
+				arg            = arg .. os.date("! '%Y-%m-%d %H:%M:%S UTC'", nowTime)
+
 			elseif arg == "--drafts" then
 				_G.includeDrafts = true
 

src/functions.lua2p

@@ -1759,8 +1759,8 @@ function _G.generateFromTemplateString(page, template, modTime, onPageInit)
 		page._readonly = true
 
 		if
-			(page.isDraft.v and not includeDrafts            ) or -- Is draft?
-			(datetimeToTime(page.publishDate:g()) > os.time())    -- Is in future?
+			(page.isDraft.v and not includeDrafts          ) or -- Is draft?
+			(datetimeToTime(page.publishDate:g()) > nowTime)    -- Is in future?
 		then
 			page._isSkipped                  = true
 			site._outputFileSkippedPageCount = site._outputFileSkippedPageCount + 1
@@ -1986,7 +1986,7 @@ end
 function _G.getDatetime(time)
 	!ARGS "? time:number"
 
-	local date     = dateLib(time or os.time()):tolocal()
+	local date     = dateLib(time or nowTime):tolocal()
 	local datetime = date:fmt"${iso}%z" :gsub("..$", ":%0") :gsub("%+00:00$", "Z")
 
 	return datetime
@@ -2619,8 +2619,7 @@ end
 -- Compute the difference in seconds between local time and UTC. (Normal time.)
 -- http://lua-users.org/wiki/TimeZone
 function _G.getTimezone()
-	local now = os.time()
-	return os.difftime(now, os.time(os.date("!*t", now)))
+	return os.difftime(nowTime, os.time(os.date("!*t", nowTime)))
 end
 
 -- Return a timezone string in ISO 8601:2000 standard form (+hhmm or -hhmm).
@@ -2632,7 +2631,7 @@ end
 -- Return the timezone offset in seconds, as it was on the given time. (DST obeyed.)
 -- timezoneOffset = getTimezoneOffset( [ time=now ] )
 function _G.getTimezoneOffset(time)
-	time = time or os.time()
+	time            = time or nowTime
 	local dateUtc   = os.date("!*t", time)
 	local dateLocal = os.date("*t",  time)
 	dateLocal.isdst = false -- This is the trick.

src/globals.lua2p

@@ -63,6 +63,7 @@ _G.autobuild               = false
 _G.enableGc                = true
 _G.ignoreModificationTimes = false
 _G.includeDrafts           = false
+_G.nowTime                 = os.time()
 _G.outputMetaprograms      = false
 _G.verbosePrint            = false
 

testsite/content/blog/first.md

@@ -1,5 +1,6 @@
 {{
-page.title = 'First Post!'
+page.title = "First Post!"
+page.date  = "1995-01-01 13:59 GMT"
 
 P.foo = "bar"
 }}

testsite/content/tests.md

@@ -1,5 +1,6 @@
 {{
 page.title = 'Some "tests"<hr>'
+page.date  = "2021-05-22 09:00 +02"
 
 P.foo = "bar"
 }}