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--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, Xmake Open Source Community.
--
-- @author ruki
-- @file main.lua
--
-- imports
import("core.base.option")
import("core.base.fwatcher")
import("core.project.config")
-- add watchdir
function _add_watchdir(watchdir, opt)
opt = opt or {}
cprint("watching ${bright}%s/%s${clear} ..", watchdir, opt.recursion and "**" or "*")
fwatcher.add(watchdir, opt)
end
-- add watchdirs
function _add_watchdirs()
local watchdirs = option.get("watchdirs")
local plaindirs = option.get("plaindirs")
if watchdirs or plaindirs then
if watchdirs then
for _, watchdir in ipairs(path.splitenv(watchdirs)) do
for _, dir in ipairs(os.dirs(watchdir)) do
_add_watchdir(dir, {recursion = true})
end
end
end
if plaindirs then
for _, watchdir in ipairs(path.splitenv(plaindirs)) do
for _, dir in ipairs(os.dirs(watchdir)) do
_add_watchdir(dir)
end
end
end
elseif os.isfile(os.projectfile()) then
watchdirs = os.dirs(path.join(os.projectdir(), "*|.*"))
for _, watchdir in ipairs(watchdirs) do
local builddir = path.absolute(config.builddir())
if path.absolute(watchdir) ~= builddir then
_add_watchdir(watchdir, {recursion = true})
end
end
_add_watchdir(os.projectdir())
else
_add_watchdir(watchdir, {recursion = true})
end
end
-- run command
function _run_command(events)
try
{
function ()
local commands = option.get("commands")
local scriptfile = option.get("script")
local arbitrary = option.get("arbitrary")
if commands then
for _, command in ipairs(commands:split(";")) do
os.exec(command)
end
elseif arbitrary then
local program = arbitrary[1]
local argv = #arbitrary > 1 and table.slice(arbitrary, 2) or {}
os.execv(program, argv)
elseif scriptfile and os.isfile(scriptfile) and path.extension(scriptfile) == ".lua" then
local script = import(path.basename(scriptfile),
{rootdir = path.directory(scriptfile), anonymous = true})
script(events)
elseif os.isfile(os.projectfile()) then
local argv = {"build", "-y"}
if option.get("verbose") then
table.insert(argv, "-v")
end
if option.get("diagnosis") then
table.insert(argv, "-D")
end
local target = option.get("target")
if target then
table.insert(argv, target)
end
os.execv(os.programfile(), argv)
if option.get("run") then
argv[1] = "run"
os.execv(os.programfile(), argv)
end
end
end,
catch
{
function (errors)
cprint(tostring(errors))
end
}
}
end
function main()
-- add watchdirs
_add_watchdirs()
-- do watch
local count = 0
local events = {}
while true do
local ok, event = fwatcher.wait(300)
if ok > 0 then
local status
if event.type == fwatcher.ET_CREATE then
status = "created"
elseif event.type == fwatcher.ET_MODIFY then
status = "modified"
elseif event.type == fwatcher.ET_DELETE then
status = "deleted"
end
print(event.path, status)
-- we use map to remove repeat events
events[event.path .. tostring(event.type)] = event
count = count + 1
elseif count > 0 then
_run_command(table.values(events))
count = 0
end
end
end
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