add git ls-remote and pull module

1 files changed, 80 insertions, 0 deletions

diff --git a/xmake/modules/devel/git/ls_remote.lua b/xmake/modules/devel/git/ls_remote.lua
new file mode 100644
index 000000000..11e19a98c
--- /dev/null
+++ b/xmake/modules/devel/git/ls_remote.lua
@@ -0,0 +1,80 @@
+--!The Make-like Build Utility based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you 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 - 2017, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        ls_remote.lua
+--
+
+-- imports
+import("core.base.option")
+import("detect.tool.find_git")
+
+-- ls_remote to given branch, tag or commit
+--
+-- @param reftype   the reference type, "tags", "heads" and "refs"
+-- @param url       the remote url, optional
+--
+-- @code
+--
+-- import("devel.git")
+-- 
+-- git.ls_remote("tags", url)
+-- git.ls_remote("heads", url)
+-- git.ls_remote("refs")
+--
+-- @endcode
+--
+function main(reftype, url)
+
+    -- find git
+    local program = find_git()
+    if not program then
+        return {}
+    end
+
+    -- init reference type
+    reftype = reftype or "refs"
+
+    -- get refs
+    local data = os.iorunv(program, {"ls-remote", "--" .. reftype, url or "."})
+
+    -- get commmits and tags
+    local refs = {}
+    for _, line in ipairs(data:split('\n')) do
+
+        -- parse commit and ref
+        local refinfo = line:split('%s+')
+
+        -- get commit 
+        local commit = refinfo[1]
+
+        -- get ref
+        local ref = refinfo[2]
+
+        -- save this ref
+        local prefix = ifelse(reftype == "refs", "refs/", "refs/" .. reftype .. "/")
+        if ref and ref:startswith(prefix) and commit and #commit == 40 then
+            table.insert(refs, ref:sub(#prefix + 1))
+        end
+    end
+
+    -- ok
+    return refs
+end