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spectre/.bam/functions.lua

83 lines
1.7 KiB
Lua

Import("path.lua")
Import("utils.lua")
local _systems = {
"Win32",
"Unix"
}
-- Returns a string of all supported systems
function supported_systems()
return table.concat(_systems, ', ')
end
-- Return True if 'value' is a supported system. False otherwise.
function valid_system(value)
return contains(_systems, value)
end
-- Find what host system we are on.
-- Returns nil if system could not be determined.
function host_system()
-- Check "platform" variable set by bam first.
if platform == "win32" or platform == "win64" then
return _systems[1]
end
if platform == "linux" then
return _systems[2]
end
-- next, check if we are on windows by checking
-- the 'OS' environment variable
local win = os.getenv('OS')
if win ~= nil and win:lower():match('windows') then
return _systems[1]
end
return nil
end
function SetSettingsPrefix(settings, prefix)
settings.labelprefix = string.format("[%s] ", prefix)
end
-- Copy settings with a optional label prefix.
function CopySettings(settings, prefix)
local n = TableDeepCopy(settings)
if prefix ~= nil then
SetSettingsPrefix(n, prefix)
end
return n
end
-- Defines a module
-- path: base path to source files.
-- src: table of source files.
function Module(path, src)
path = RelPath(path)
local r = {}
for k, v in pairs(src) do
r[k] = PathJoin(path, v)
end
return r
end
-- Copy a directory src to dst
-- src = "path/to/a", dest = "path/to/b" -> the whole content
-- of "a" will be copied to "path/to/b"
function CopyDir(dst, src)
local r = {}
local base = PathDir(src)
local files = CollectRecursive(Path(src) .. "/*")
for k, v in pairs(files) do
local rdir = PathDir(v:sub(base:len() + 1))
r[k] = CopyToDirectory(PathJoin(dst, rdir), v)
end
return r
end