54 lines
1.7 KiB
Lua
54 lines
1.7 KiB
Lua
|
local l = require("pandoc.logging")
|
||
|
local read = pandoc.read
|
||
|
|
||
|
assert(#arg == 2, "\n" ..
|
||
|
"[ERROR] usage: pandoc lua collect_deps.lua <index file> <output file")
|
||
|
|
||
|
local index_file, output_file = table.unpack(arg)
|
||
|
|
||
|
local f = assert(io.open(index_file), "\n" ..
|
||
|
"[ERROR] could not open " .. index_file .. " for reading.")
|
||
|
local data = f:read("a")
|
||
|
f:close()
|
||
|
|
||
|
|
||
|
local visited = {}
|
||
|
local lines = {}
|
||
|
local all_target = "all: "
|
||
|
local all_prereqs = {}
|
||
|
local sitemap_target = "public_html/sitemap.html.part: "
|
||
|
local sitemap_prereqs = {}
|
||
|
|
||
|
local function collect (fp)
|
||
|
local f = assert(io.open(fp), "\n" ..
|
||
|
"[ERROR] could not open " .. fp .. " for reading.")
|
||
|
visited[fp] = true
|
||
|
local target = fp:gsub("(.+)%.md", "public_html/%1.html")
|
||
|
table.insert(all_prereqs, target)
|
||
|
table.insert(sitemap_prereqs, fp)
|
||
|
local prereqs = { fp }
|
||
|
local data = f:read("a")
|
||
|
f:close()
|
||
|
read(data):walk({ Link = function (link)
|
||
|
if not link.target:find(".%.md$") then return end
|
||
|
local f = io.open(link.target)
|
||
|
if f == nil then return else f:close() end
|
||
|
if visited[link.target] then return end
|
||
|
local prereq = link.target:gsub("(.+)%.md", "public_html/%1.html.part")
|
||
|
table.insert(prereqs, prereq)
|
||
|
collect(link.target)
|
||
|
end })
|
||
|
table.insert(prereqs, "public_html/sitemap.html.part")
|
||
|
target = ("%s: "):format(target)
|
||
|
table.insert(lines, table.concat({ target, table.concat(prereqs, " ") }))
|
||
|
end
|
||
|
|
||
|
collect(arg[1])
|
||
|
table.insert(lines, 1, table.concat({ all_target, table.concat(all_prereqs, " ") }))
|
||
|
table.insert(lines, table.concat({ sitemap_target, table.concat(sitemap_prereqs, " ") }))
|
||
|
|
||
|
local f = assert(io.open(output_file, "w"), "\n" ..
|
||
|
"[ERROR] could not open " .. output_file .. " for writing.")
|
||
|
f:write(table.concat(lines, "\n"))
|
||
|
f:close()
|