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just some spacing

This commit is contained in:
Axel Kittenberger 2011-11-23 11:05:42 +01:00
parent a60f766c34
commit 3b5786a6a0
1 changed files with 132 additions and 137 deletions
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269
lsyncd.lua
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@ -17,7 +17,7 @@
-- Core will exit if version ids mismatch.
--
if lsyncd_version then
-- checks if the runner is being loaded twice
-- checks if the runner is being loaded twice
lsyncd.log("Error",
"You cannot use the lsyncd runner as configuration file!")
lsyncd.terminate(-1) -- ERRNO
@ -54,7 +54,7 @@ local Monitors
local processCount = 0
--============================================================================
-- Lsyncd Prototypes
-- Lsyncd Prototypes
--============================================================================
-----
@ -65,7 +65,7 @@ local Array = (function()
local mt = {}
-- on accessing a nil index.
mt.__index = function(t, k)
mt.__index = function(t, k)
if type(k) ~= "number" then
error("Key '"..k.."' invalid for Array", 2)
end
@ -95,7 +95,7 @@ end)()
-----
-- The count array objects are tables that error if accessed with a non-number.
-- Additionally they maintain their length as "size" attribute.
-- Lua's # operator does not work on tables which key values are not
-- Lua's # operator does not work on tables which key values are not
-- strictly linear.
--
local CountArray = (function()
@ -105,10 +105,10 @@ local CountArray = (function()
-----
-- key to native table
local k_nt = {}
-----
-- on accessing a nil index.
mt.__index = function(t, k)
mt.__index = function(t, k)
if type(k) ~= "number" then
error("Key '"..k.."' invalid for CountArray", 2)
end
@ -164,13 +164,13 @@ end)()
-----
-- Queue
-- optimized for pushing on the right and poping on the left.
--
--
--
Queue = (function()
-----
-- Creates a new queue.
--
local function new()
local function new()
return { first = 1, last = 0, size = 0};
end
@ -179,7 +179,7 @@ Queue = (function()
-- Returns the last value
--
local function push(list, value)
if not value then
if not value then
error("Queue pushing nil value", 2)
end
local last = list.last + 1
@ -197,12 +197,12 @@ Queue = (function()
error("Removing nonexisting item in Queue", 2)
end
list[pos] = nil
-- if removing first element, move list on.
if pos == list.first then
local last = list.last
local last = list.last
while list[pos] == nil and pos <= list.last do
pos = pos + 1
pos = pos + 1
end
list.first = pos
elseif pos == list.last then
@ -233,7 +233,7 @@ Queue = (function()
end
return pos, list[pos]
end
-----
-- Stateless reverse queue iterator.
local function iterReverse(list, pos)
@ -254,7 +254,7 @@ Queue = (function()
local function qpairs(list)
return iter, list, list.first - 1
end
-----
-- Iteraters backwards through the queue
-- returning all non-nil pos-value entries
@ -263,10 +263,10 @@ Queue = (function()
return iterReverse, list, list.last + 1
end
return {new = new,
push = push,
remove = remove,
qpairs = qpairs,
return {new = new,
push = push,
remove = remove,
qpairs = qpairs,
qpairsReverse = qpairsReverse}
end)()
@ -277,14 +277,14 @@ end)()
local function lockGlobals()
local t = _G
local mt = getmetatable(t) or {}
mt.__index = function(t, k)
mt.__index = function(t, k)
if (k~="_" and string.sub(k, 1, 2) ~= "__") then
error("Access of non-existing global '"..k.."'", 2)
else
rawget(t, k)
end
end
mt.__newindex = function(t, k, v)
mt.__newindex = function(t, k, v)
if (k~="_" and string.sub(k, 1, 2) ~= "__") then
error("Lsyncd does not allow GLOBALS to be created on the fly. " ..
"Declare '" ..k.."' local or declare global on load.", 2)
@ -301,7 +301,7 @@ end
local Delay = (function()
-----
-- Creates a new delay.
--
--
-- @params see below
--
local function new(etype, alarm, path, path2)
@ -313,12 +313,12 @@ local Delay = (function()
-----
-- Latest point in time this should be catered for.
-- This value is in kernel ticks, return of the C's
-- This value is in kernel ticks, return of the C's
-- times(NULL) call.
alarm = alarm,
-----
-- path and filename or dirname of the delay relative
-- path and filename or dirname of the delay relative
-- to the syncs root.
-- for the directories it contains a trailing slash
--
@ -329,21 +329,21 @@ local Delay = (function()
-- path and file/dirname of a move destination.
--
path2 = path2,
------
-- Status of the event. Valid stati are:
-- Status of the event. Valid stati are:
-- 'wait' ... the event is ready to be handled.
-- 'active' ... there is process running catering for this event.
-- 'blocked' ... this event waits for another to be handled first.
-- 'done' ... event has been collected. This should never be
-- 'done' ... event has been collected. This should never be
-- visible as all references should be droped on
-- collection, nevertheless seperat status for
-- collection, nevertheless seperat status for
-- insurrance.
--
status = "wait",
-----
-- Position in the queue
-- Position in the queue
dpos = -1,
}
return o
@ -357,16 +357,16 @@ end)()
-- combines delays
--
local Combiner = (function()
----
-- new delay absorbed by old
-- new delay absorbed by old
--
local function abso(d1, d2)
local function abso(d1, d2)
log("Delay",d2.etype,":",d2.path," absorbed by ",
d1.etype,":",d1.path)
return "absorb"
end
----
-- new delay replaces the old one if it is a file
--
@ -381,11 +381,10 @@ local Combiner = (function()
return "replace"
end
----
-- new delay replaces the old one
--
local function repl(d1, d2)
local function repl(d1, d2)
log("Delay",d2.etype,":",d2.path," replaces ",
d1.etype,":",d1.path)
return "replace"
@ -409,7 +408,7 @@ local Combiner = (function()
Create = {Attrib=abso, Modify=abso, Create=abso, Delete=repl },
Delete = {Attrib=abso, Modify=abso, Create=refi, Delete=abso },
}
------
-- combines two delays
--
@ -437,7 +436,7 @@ local Combiner = (function()
-- blocks events if one is a parent directory of another
if d1.path:byte(-1) == 47 and string.starts(d2.path, d1.path) or
d2.path:byte(-1) == 47 and string.starts(d1.path, d2.path)
d2.path:byte(-1) == 47 and string.starts(d1.path, d2.path)
then
return "stack"
end
@ -449,20 +448,20 @@ local Combiner = (function()
-- stacks the move if the from field could anyway be damaged
if d1.path == d2.path or
d2.path:byte(-1) == 47 and string.starts(d1.path, d2.path) or
d1.path:byte(-1) == 47 and string.starts(d2.path, d1.path)
d1.path:byte(-1) == 47 and string.starts(d2.path, d1.path)
then
log("Delay",d2.etype,":",d2.path," blocked by",
log("Delay",d2.etype,":",d2.path," blocked by",
"Move :",d1.path,"->",d1.path2)
return "stack"
end
-- Event does something with the move destination
if d1.path2 == d2.path then
if d2.etype == "Delete" or d2.etype == "Create" then
if d1.status == "active" then
return "stack"
end
log("Delay",d2.etype,":",d2.path," turns ",
log("Delay",d2.etype,":",d2.path," turns ",
"Move :",d1.path,"->",d1.path2, " into ",
"Delete:",d1.path)
d1.etype = "Delete"
@ -474,7 +473,7 @@ local Combiner = (function()
end
if d2.path :byte(-1) == 47 and string.starts(d1.path2, d2.path) or
d1.path2:byte(-1) == 47 and string.starts(d2.path, d1.path2)
d1.path2:byte(-1) == 47 and string.starts(d2.path, d1.path2)
then
log("Delay",d2.etype,":",d2.path," blocked by ",
"Move:",d1.path,"->",d1.path2)
@ -482,22 +481,22 @@ local Combiner = (function()
end
return nil
end
-- Move upon a single event
if d1.etype ~= "Move" and d2.etype == "Move" then
if d1.path == d2.path or d1.path == d2.path2 or
d1.path :byte(-1) == 47 and string.starts(d2.path, d1.path) or
d1.path :byte(-1) == 47 and string.starts(d2.path2, d1.path) or
d2.path :byte(-1) == 47 and string.starts(d1.path, d2.path) or
d2.path2:byte(-1) == 47 and string.starts(d1.path, d2.path2)
d2.path2:byte(-1) == 47 and string.starts(d1.path, d2.path2)
then
log("Delay","Move:",d2.path,"->",d2.path2,
" splits on ",d1.etype,":",d1.path)
return "split"
return "split"
end
return nil
end
-- Move upon move
if d1.etype == "Move" and d2.etype == "Move" then
-- TODO combine moves,
@ -511,7 +510,7 @@ local Combiner = (function()
d2.path :byte(-1) == 47 and string.starts(d1.path, d2.path) or
d2.path :byte(-1) == 47 and string.starts(d1.path2, d2.path) or
d2.path2:byte(-1) == 47 and string.starts(d1.path, d2.path2) or
d2.path2:byte(-1) == 47 and string.starts(d1.path2, d2.path2)
d2.path2:byte(-1) == 47 and string.starts(d1.path2, d2.path2)
then
log("Delay","Move:",d2.path,"->",d1.path2,
" splits on Move:",d1.path,"->",d1.path2)
@ -539,17 +538,17 @@ local InletFactory = (function()
-- dont stop the garbage collector to remove entries.
setmetatable(e2d, { __mode = 'k' })
setmetatable(e2s, { __mode = 'k' })
-----
-- removes the trailing slash from a path
local function cutSlash(path)
local function cutSlash(path)
if string.byte(path, -1) == 47 then
return string.sub(path, 1, -2)
else
return path
end
end
local function getPath(event)
if event.move ~= "To" then
return e2d[event].path
@ -574,7 +573,7 @@ local InletFactory = (function()
-----
-- Returns the inlet belonging to an event.
--
--
inlet = function(event)
return e2s[event].inlet
end,
@ -600,7 +599,7 @@ local InletFactory = (function()
-- Return the status of the event.
-- Can be:
-- 'wait', 'active', 'block'.
--
--
status = function(event)
return e2d[event].status
end,
@ -608,7 +607,7 @@ local InletFactory = (function()
-----
-- Returns true if event relates to a directory.
--
isdir = function(event)
isdir = function(event)
return string.byte(getPath(event), -1) == 47
end,
@ -619,7 +618,7 @@ local InletFactory = (function()
name = function(event)
return string.match(getPath(event), "[^/]+/?$")
end,
-----
-- Returns the name of the file/dir.
-- Excludes a trailing slash for dirs.
@ -635,7 +634,7 @@ local InletFactory = (function()
path = function(event)
return getPath(event)
end,
-----
-- Returns the directory of the file/dir relative to watch root
-- Always includes a trailing slash.
@ -651,7 +650,7 @@ local InletFactory = (function()
pathname = function(event)
return cutSlash(getPath(event))
end,
------
-- Returns the absolute path of the watch root.
-- All symlinks will have been resolved.
@ -676,7 +675,7 @@ local InletFactory = (function()
return e2s[event].source ..
(string.match(getPath(event), "^(.*/)[^/]+/?") or "")
end,
------
-- Returns the absolute path of the file/dir.
-- Excludes a trailing slash for dirs.
@ -684,9 +683,9 @@ local InletFactory = (function()
sourcePathname = function(event)
return e2s[event].source .. cutSlash(getPath(event))
end,
------
-- Returns the target.
-- Returns the target.
-- Just for user comfort, for most case
-- (Actually except of here, the lsyncd.runner itself
-- does not care event about the existance of "target",
@ -703,26 +702,26 @@ local InletFactory = (function()
targetPath = function(event)
return e2s[event].config.target .. getPath(event)
end,
------
-- Returns the dir of the dir/file appended to the target.
-- Includes a trailing slash.
--
targetPathdir = function(event)
return e2s[event].config.target ..
return e2s[event].config.target ..
(string.match(getPath(event), "^(.*/)[^/]+/?") or "")
end,
------
-- Returns the relative dir/file appended to the target.
-- Excludes a trailing slash for dirs.
--
targetPathname = function(event)
return e2s[event].config.target ..
return e2s[event].config.target ..
cutSlash(getPath(event))
end,
}
-----
-- Retrievs event fields for the user script.
--
@ -739,7 +738,7 @@ local InletFactory = (function()
return f(event)
end
}
-----
-- Interface for user scripts to get event fields.
--
@ -784,7 +783,7 @@ local InletFactory = (function()
if func == "isList" then
return true
end
if func == "config" then
return e2s[elist].config
end
@ -793,14 +792,13 @@ local InletFactory = (function()
if not f then
error("event list does not have function '"..func.."'", 2)
end
return function(...)
return f(elist, ...)
end
end
}
----
-- table of all inlets with their syncs
--
@ -808,7 +806,7 @@ local InletFactory = (function()
-- dont stop the garbage collector to remove entries.
setmetatable(inlets, { __mode = 'v' })
-----
-- Encapsulates a delay into an event for the user script.
--
@ -836,7 +834,7 @@ local InletFactory = (function()
e2d[delay.event2] = delay
e2s[delay.event] = sync
e2s[delay.event2] = sync
-- move events have a field 'move'
event.move = "Fr"
event2.move = "To"
@ -844,7 +842,7 @@ local InletFactory = (function()
return delay.event, delay.event2
end
end
-----
-- Encapsulates a delay list into an event list for the user script.
--
@ -869,14 +867,14 @@ local InletFactory = (function()
addExclude = function(sync, pattern)
sync:addExclude(pattern)
end,
-----
-- removes an exclude.
--
rmExclude = function(sync, pattern)
sync:rmExclude(pattern)
end,
-----
-- gets the list of excludes in their original rsynlike patterns form.
--
@ -905,31 +903,31 @@ local InletFactory = (function()
discardEvent = function(sync, event)
local delay = e2d[event]
if delay.status ~= "wait" then
log("Error",
log("Error",
"Ignored cancel of a non-waiting event of type ",
event.etype)
return
end
sync:removeDelay(delay)
end,
-----
-- Gets the next not blocked event from queue.
--
getEvent = function(sync)
return d2e(sync, sync:getNextDelay(now()))
end,
-----
-- Gets all events that are not blocked by active events.
--
-- @param if not nil a function to test each delay
--
getEvents = function(sync, test)
local dlist = sync:getDelays(test)
local dlist = sync:getDelays(test)
return dl2el(sync, dlist)
end,
-----
-- Returns the configuration table specified by sync{}
--
@ -956,15 +954,15 @@ local InletFactory = (function()
-----
-- Creates a new inlet for Sync
local function newInlet(sync)
local function newInlet(sync)
-- lua runner controlled variables
local inlet = {}
-- sets use access methods
setmetatable(inlet, inletMeta)
inlets[inlet] = sync
return inlet
inlets[inlet] = sync
return inlet
end
-----
@ -973,7 +971,7 @@ local InletFactory = (function()
local function getDelayOrList(event)
return e2d[event]
end
-----
-- Returns the sync from an event or list
--
@ -998,11 +996,10 @@ end)()
-- A set of exclude patterns
--
local Excludes = (function()
-----
-- Turns a rsync like file pattern to a lua pattern.
--
--
--
local function toLuaPattern(p)
local o = p
p = string.gsub(p, "%%", "%%%%")
@ -1017,9 +1014,9 @@ local Excludes = (function()
p = string.gsub(p, "%-", "%%-")
p = string.gsub(p, "%?", "[^/]")
p = string.gsub(p, "%*", "[^/]*")
-- this was a ** before
p = string.gsub(p, "%[%^/%]%*%[%^/%]%*", ".*")
p = string.gsub(p, "^/", "^/")
-- this was a ** before
p = string.gsub(p, "%[%^/%]%*%[%^/%]%*", ".*")
p = string.gsub(p, "^/", "^/")
if p:sub(1,2) ~= "^/" then -- does not begin with "^/"
-- all matches should begin with "/".
p = "/" .. p;
@ -1039,7 +1036,7 @@ local Excludes = (function()
local lp = toLuaPattern(pattern)
self.list[pattern] = lp
end
-----
-- Removes a pattern to exclude.
--
@ -1071,7 +1068,7 @@ local Excludes = (function()
log("Error", "Cannot open exclude file '",file,"': ", err)
terminate(-1) -- ERRNO
end
for line in f:lines() do
for line in f:lines() do
-- lsyncd 2.0 does not support includes
if not string.match(line, "%s*+") then
local p = string.match(line, "%s*-?%s*(.*)")
@ -1095,7 +1092,7 @@ local Excludes = (function()
return true
end
else
-- end either end with / or $
-- end either end with / or $
if path:match(p.."/") or path:match(p.."$") then
--log("Exclude", "'",path,"' matches '",p,"' (2)")
return true
@ -1109,8 +1106,8 @@ local Excludes = (function()
-----
-- Cretes a new exclude set
--
local function new()
return {
local function new()
return {
list = {},
-- functions
@ -1132,7 +1129,7 @@ end)()
--
local Sync = (function()
-----
-- Syncs that have no name specified by the user script
-- Syncs that have no name specified by the user script
-- get an incremental default name 'Sync[X]'
--
local nextDefaultName = 1
@ -1154,13 +1151,13 @@ local Sync = (function()
-----
-- Removes a delay.
--
local function removeDelay(self, delay)
local function removeDelay(self, delay)
if self.delays[delay.dpos] ~= delay then
error("Queue is broken, delay not a dpos")
end
Queue.remove(self.delays, delay.dpos)
-- free all delays blocked by this one.
-- free all delays blocked by this one.
if delay.blocks then
for i, vd in pairs(delay.blocks) do
vd.status = "wait"
@ -1190,7 +1187,7 @@ local Sync = (function()
end
-----
-- Collects a child process
-- Collects a child process
--
local function collect(self, pid, exitcode)
local delay = self.processes[pid]
@ -1205,7 +1202,7 @@ local Sync = (function()
error("collecting a non-active process")
end
local rc = self.config.collect(
InletFactory.d2e(self, delay),
InletFactory.d2e(self, delay),
exitcode)
if rc == "die" then
log("Error", "Critical exitcode.");
@ -1216,20 +1213,20 @@ local Sync = (function()
removeDelay(self, delay)
log("Delay", "Finish of ",delay.etype," on ",
self.source,delay.path," = ",exitcode)
else
else
-- sets the delay on wait again
delay.status = "wait"
local alarm = self.config.delay
local alarm = self.config.delay
-- delays at least 1 second
if alarm < 1 then
alarm = 1
alarm = 1
end
delay.alarm = now() + alarm
end
else
log("Delay", "collected a list")
local rc = self.config.collect(
InletFactory.dl2el(self, delay),
InletFactory.dl2el(self, delay),
exitcode)
if rc == "die" then
log("Error", "Critical exitcode.");
@ -1238,10 +1235,10 @@ local Sync = (function()
if rc == "again" then
-- sets the delay on wait again
delay.status = "wait"
local alarm = self.config.delay
local alarm = self.config.delay
-- delays at least 1 second
if alarm < 1 then
alarm = 1
alarm = 1
end
alarm = now() + alarm
for _, d in ipairs(delay) do
@ -1262,12 +1259,12 @@ local Sync = (function()
end
-----
-- Stacks a newDelay on the oldDelay,
-- Stacks a newDelay on the oldDelay,
-- the oldDelay blocks the new Delay.
--
-- A delay can block 'n' other delays,
-- A delay can block 'n' other delays,
-- but is blocked at most by one, the latest delay.
--
--
local function stack(oldDelay, newDelay)
newDelay.status = "block"
if not oldDelay.blocks then
@ -1314,7 +1311,7 @@ local Sync = (function()
end
if etype == "Move" and not self.config.onMove then
-- if there is no move action defined,
-- if there is no move action defined,
-- split a move as delete/create
-- layer 1 scripts which want moves events have to
-- set onMove simply to "true"
@ -1325,7 +1322,7 @@ local Sync = (function()
end
-- creates the new action
local alarm
local alarm
if time and self.config.delay then
alarm = time + self.config.delay
else
@ -1343,11 +1340,11 @@ local Sync = (function()
return
end
-- detects blocks and combos by working from back until
-- detects blocks and combos by working from back until
-- front through the fifo
for il, od in Queue.qpairsReverse(self.delays) do
-- asks Combiner what to do
local ac = Combiner.combine(od, nd)
local ac = Combiner.combine(od, nd)
if ac then
if ac == "remove" then
@ -1368,7 +1365,7 @@ local Sync = (function()
delay(self, "Delete", time, path, nil)
delay(self, "Create", time, path2, nil)
return
else
else
error("unknown result of combine()")
end
end
@ -1382,7 +1379,6 @@ local Sync = (function()
-- no block or combo
nd.dpos = Queue.push(self.delays, nd)
end
-----
-- Returns the nearest alarm for this Sync.
@ -1392,7 +1388,7 @@ local Sync = (function()
return false
end
-- first checks if more processses could be spawned
-- first checks if more processses could be spawned
if self.processes:size() < self.config.maxProcesses then
-- finds the nearest delay waiting to be spawned
for _, d in Queue.qpairs(self.delays) do
@ -1405,8 +1401,7 @@ local Sync = (function()
-- nothing to spawn
return false
end
-----
-- Gets all delays that are not blocked by active delays.
--
@ -1421,7 +1416,7 @@ local Sync = (function()
----
-- inheritly transfers all blocks from delay
--
local function getBlocks(delay)
local function getBlocks(delay)
blocks[delay] = true
if delay.blocks then
for i, d in ipairs(delay.blocks) do
@ -1432,7 +1427,7 @@ local Sync = (function()
for i, d in Queue.qpairs(self.delays) do
if d.status == "active" or
(test and not test(InletFactory.d2e(self, d)))
(test and not test(InletFactory.d2e(self, d)))
then
getBlocks(d)
elseif not blocks[d] then
@ -1440,7 +1435,7 @@ local Sync = (function()
dlistn = dlistn + 1
end
end
return dlist
end
@ -1460,7 +1455,7 @@ local Sync = (function()
return
end
if self.delays.size < self.config.maxDelays then
-- time constrains are only concerned if not maxed
-- time constrains are only concerned if not maxed
-- the delay FIFO already.
if d.alarm ~= true and timestamp < d.alarm then
-- reached point in stack where delays are in future
@ -1481,14 +1476,14 @@ local Sync = (function()
end
end
end
-----
-- Gets the next event to be processed.
--
local function getNextDelay(self, timestamp)
for i, d in Queue.qpairs(self.delays) do
if self.delays.size < self.config.maxDelays then
-- time constrains are only concerned if not maxed
-- time constrains are only concerned if not maxed
-- the delay FIFO already.
if d.alarm ~= true and timestamp < d.alarm then
-- reached point in stack where delays are in future
@ -1509,9 +1504,9 @@ local Sync = (function()
local function addBlanketDelay(self)
local newd = Delay.new("Blanket", true, "")
newd.dpos = Queue.push(self.delays, newd)
return newd
return newd
end
------
-- Adds and returns a blanket delay thats blocks all.
-- Used as startup marker to call init asap.
@ -1519,9 +1514,9 @@ local Sync = (function()
local function addInitDelay(self)
local newd = Delay.new("Init", true, "")
newd.dpos = Queue.push(self.delays, newd)
return newd
return newd
end
-----
-- Writes a status report about delays in this sync.
--
@ -1554,7 +1549,7 @@ local Sync = (function()
-----
-- Creates a new Sync
--
local function new(config)
local function new(config)
local s = {
-- fields
config = config,
@ -1615,7 +1610,7 @@ end)()
-----
-- Syncs - a singleton
--
--
-- It maintains all configured directories to be synced.
--
local Syncs = (function()
@ -1625,14 +1620,14 @@ local Syncs = (function()
local list = Array.new()
-----
-- The round robin pointer. In case of global limited maxProcesses
-- The round robin pointer. In case of global limited maxProcesses
-- gives every sync equal chances to spawn the next process.
--
local round = 1
-----
-- The cycle() sheduler goes into the next round of roundrobin.
local function nextRound()
local function nextRound()
round = round + 1;
if round > #list then
round = 1
@ -1656,11 +1651,11 @@ local Syncs = (function()
-- Inheritly copies all non integer keys from
-- copy source (cs) to copy destination (cd).
--
-- all entries with integer keys are treated as new sources to copy
-- all entries with integer keys are treated as new sources to copy
--
local function inherit(cd, cs)
-- first copies from source all
-- non-defined non-integer keyed values
-- first copies from source all
-- non-defined non-integer keyed values
for k, v in pairs(cs) do
if type(k) ~= "number" and cd[k] == nil then
cd[k] = v
@ -1673,7 +1668,7 @@ local Syncs = (function()
end
end
end
-----
-- Adds a new sync (directory-tree to observe).
--
@ -1683,13 +1678,13 @@ local Syncs = (function()
local uconfig = config
config = {}
inherit(config, uconfig)
-- Lets settings or commandline override delay values.
if settings then
config.delay = settings.delay or config.delay
end
-- at very first lets the userscript 'prepare' function
-- at very first lets the userscript 'prepare' function
-- fill out more values.
if type(config.prepare) == "function" then
-- explicitly gives a writeable copy of config.
@ -1702,7 +1697,7 @@ local Syncs = (function()
": source missing from sync.")
terminate(-1) -- ERRNO
end
-- absolute path of source
local realsrc = lsyncd.realdir(config.source)
if not realsrc then