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core: fixes and changes to temp files 

* fix delete_temp_files() deleting in EXEDIR but temp_filename() was
  creating temp files in USERDIR
* make delete_temp_files() public so it can be used by plugins
* add optional `dir` parameter to both delete_temp_files() and
  temp_filename() to allow specifying a different directory, this is
  for example useful when generting markdown previews, the temp file
  should be generated in the project dir in case the readme references
  images that are relative to it, so the web browser can find them.
This commit is contained in:
jgmdev 2022-03-28 22:36:49 -04:00
parent 3e1fdc4157
commit ca37644aa9
1 changed files with 8 additions and 6 deletions
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14
data/core/init.lua
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@ -809,17 +809,19 @@ local temp_uid = math.floor(system.get_time() * 1000) % 0xffffffff
local temp_file_prefix = string.format(".lite_temp_%08x", tonumber(temp_uid))
local temp_file_counter = 0
local function delete_temp_files()
for _, filename in ipairs(system.list_dir(EXEDIR)) do
function core.delete_temp_files(dir)
dir = type(dir) == "string" and common.normalize_path(dir) or USERDIR
for _, filename in ipairs(system.list_dir(dir)) do
if filename:find(temp_file_prefix, 1, true) == 1 then
os.remove(EXEDIR .. PATHSEP .. filename)
os.remove(dir .. PATHSEP .. filename)
end
end
end
function core.temp_filename(ext)
function core.temp_filename(ext, dir)
dir = type(dir) == "string" and common.normalize_path(dir) or USERDIR
temp_file_counter = temp_file_counter + 1
return USERDIR .. PATHSEP .. temp_file_prefix
return dir .. PATHSEP .. temp_file_prefix
.. string.format("%06x", temp_file_counter) .. (ext or "")
end
@ -834,7 +836,7 @@ end
local function quit_with_function(quit_fn, force)
if force then
delete_temp_files()
core.delete_temp_files()
core.on_quit_project()
save_session()
quit_fn()