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Deal with Windows strftime timezone issues

This commit is contained in:
Marcel Krüger 2020-07-12 16:48:25 +02:00 committed by Marcel Fabian Krüger
parent 697f874089
commit d27e19a251
1 changed files with 30 additions and 1 deletions
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31
luametalatex-back-pdf.lua
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@ -94,7 +94,36 @@ local infodir = ""
local namesdir = ""
local catalogdir = ""
local catalog_openaction
local creationdate = os.date("D:%Y%m%d%H%M%S%z"):gsub("+0000$", "Z"):gsub("%d%d$", "'%0")
local creationdate = os.date("D:%Y%m%d%H%M%S")
do
local time0 = os.time()
local tz = os.date('%z', time0)
if tz:match'^[+-]%d%d%d%d$' then
if tz:sub(1) == '0000' then
tz = 'Z'
else
tz = tz:sub(1,3) .. "'" .. tz:sub(4)
end
else
local utc_time = os.date('!*t')
utc_time.isdst = nil
local time1 = os.time(utc_time)
local offset = time1-time0
if offset == 0 then
tz = 'Z'
else
if offset > 0 then
tz = '-'
else
tz = '+'
offset = -offset
end
offset = offset // 60
tz = string.format("%s%02i'%02i", tz, offset//60, offset%60)
end
end
creationdate = creationdate .. tz
end
local function write_infodir(p)
local additional = ""
if not string.find(infodir, "/CreationDate", 1, false) then