From ad92e5fc5e9f1d196b810aed1ec16c0face493df Mon Sep 17 00:00:00 2001
From: dvs1
Date: Mon, 20 Jan 2025 18:41:25 +1000
Subject: If we can't use cmark-gfm, then stick with the built in cmark
 instead.

---
 notYetAnotherWiki.lua | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/notYetAnotherWiki.lua b/notYetAnotherWiki.lua
index c7b205d..90c8514 100755
--- a/notYetAnotherWiki.lua
+++ b/notYetAnotherWiki.lua
@@ -103,11 +103,18 @@ for name, file in pairs(Files) do
     else
 	-- Ordinary md file, stash it's metadata and parsed body.
 	-- I need cmark-gfm, coz lcmark doesn't support tables and stuff, it only does basic cmark.
-	-- Have to strip out the metadata first, coz cmark-gfm doesn't grok that.
-	h = io.popen('cp "' .. name .. '.md" "' .. name .. '02" ;   csplit -ksz -f  "' .. name .. '"   "' .. name .. '.md" "/^---$/+1" "{1}" 2>/dev/null ; rm "' .. name .. '00" ; rm "' .. name .. '01" 2>/dev/null')
-	if nil ~= h then h:close() end
-	h = io.popen('cmark-gfm -t html -e footnotes -e table -e strikethrough -e autolink -e tagfilter -e tasklist "' .. name .. '02" ; rm "' .. name .. '02"')
-	if nil ~= h then body = h:read('*a') ; h:close() end
+	local out = ''
+	h = io.popen('if which cmark-gfm ; then echo "found" ; fi | tail -n 1')
+	if nil ~= h then out = h:read('a') ; h:close() end
+	if 'found\n' == out then
+	    -- Have to strip out the metadata first, coz cmark-gfm doesn't grok that.
+	    h = io.popen('cp "' .. name .. '.md" "' .. name .. '02" ;   csplit -ksz -f  "' .. name .. '"   "' .. name .. '.md" "/^---$/+1" "{1}" 2>/dev/null ; rm "' .. name .. '00" ; rm "' .. name .. '01" 2>/dev/null')
+	    if nil ~= h then h:close() end
+	    h = io.popen('cmark-gfm -t html -e footnotes -e table -e strikethrough -e autolink -e tagfilter -e tasklist "' .. name .. '02" ; rm "' .. name .. '02"')
+	    if nil ~= h then body = h:read('*a') ; h:close() end
+	else
+	    print('cmark-gfm not found')
+	end
 	Files[name].metadata = metadata
 	Files[name].body = body
 	table.insert(Subs[path].files, bit)
-- 
cgit v1.1