improve to download package

1 files changed, 37 insertions, 0 deletions

diff --git a/xmake/modules/utils/archive/extension.lua b/xmake/modules/utils/archive/extension.lua
new file mode 100644
index 000000000..73a61ec31
--- /dev/null
+++ b/xmake/modules/utils/archive/extension.lua
@@ -0,0 +1,37 @@
+--!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) 2015-2020, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        extension.lua
+--
+
+-- imports
+import("core.base.hashset")
+
+-- get the archive extension
+function main(archivefile)
+
+    local extension = ""
+    local filename = path.filename(archivefile)
+    local extensionset = hashset.from({".zip", ".7z", ".gz", ".xz", ".tgz", ".bz2", ".tar", ".tar.gz", ".tar.xz", ".tar.bz2"})
+    local i = filename:lastof(".", true)
+    if i then
+        local p = filename:sub(1, i - 1):lastof(".", true)
+        if p and extensionset:has(filename:sub(p)) then i = p end
+        extension = filename:sub(i)
+    end
+    return extension
+end