mirror of https://github.com/octoleo/lsyncd.git
120 lines
2.7 KiB
Lua
120 lines
2.7 KiB
Lua
----
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-- Lsyncd user-script that creates a "magic" image converter directory.
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--
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-- This configuration will automatically convert all images that are placed
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-- in the directory 'magicdir' all resulting images are placed in the same
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-- directory!
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--
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-- Be sure to mkdir 'magicdir' first.
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-----
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-- Fileformats: .jpg .gif .png
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--
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local formats = { jpg=true, gif=true, png=true, }
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local convert = {
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delay = 0,
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maxProcesses = 99,
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action = function(inlet)
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local event = inlet.getEvent()
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if event.isdir then
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-- ignores events on dirs
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inlet.discardEvent(event)
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return
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end
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-- extract extension and basefilename
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local p = event.pathname
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local ext = string.match(p, ".*%.([^.]+)$")
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local base = string.match(p, "(.*)%.[^.]+$")
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if not formats[ext] then
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-- an unknown extenion
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log("Normal", "not doing something on ."..ext)
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inlet.discardEvent(event)
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return
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end
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-- autoconvert on create and modify
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if event.etype == "Create" or event.etype == "Modify" then
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-- builds one bash command
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local cmd = ""
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-- do for all other extensions
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for k, _ in pairs(formats) do
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if k ~= ext then
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-- excludes files to be created, so no
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-- followup actions will occur
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inlet.addExclude(base..'.'..k)
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if cmd ~= "" then
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cmd = cmd .. " && "
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end
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cmd = cmd..
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'/usr/bin/convert "'..
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event.source..p..'" "'..
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event.source..base..'.'..k..
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'" || /bin/true'
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end
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end
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log("Normal", "Converting "..p)
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spawnShell(event, cmd)
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return
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end
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-- deletes all formats if you delete one
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if event.etype == "Delete" then
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-- builds one bash command
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local cmd = ""
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-- do for all other extensions
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for k, _ in pairs(formats) do
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if k ~= ext then
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-- excludes files to be created, so no
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-- followup actions will occur
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inlet.addExclude(base..'.'..k)
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if cmd ~= "" then
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cmd = cmd .. " && "
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end
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cmd = cmd..
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'rm "'..event.source..base..'.'..k..
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'" || /bin/true'
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end
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end
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log("Normal", "Deleting all "..p)
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spawnShell(event, cmd)
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return
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end
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-- ignores other events.
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inlet.discardEvent(event)
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end,
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-----
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-- Removes excludes when convertions are finished
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--
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collect = function(event, exitcode)
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local p = event.pathname
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local ext = string.match(p, ".*%.([^.]+)$")
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local base = string.match(p, "(.*)%.[^.]+$")
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local inlet = event.inlet
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if event.etype == "Create" or
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event.etype == "Modify" or
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event.etype == "Delete"
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then
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for k, _ in pairs(formats) do
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inlet.rmExclude(base..'.'..k)
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end
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end
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end,
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-----
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-- Does not collapse anything
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collapse = function()
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return 3
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end,
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}
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sync{convert, source="magicdir", subdirs=false}
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