autofetch addons

1 files changed, 92 insertions, 0 deletions

diff --git a/xmake/modules/private/addons/main.lua b/xmake/modules/private/addons/main.lua
new file mode 100644
index 000000000..43a623e20
--- /dev/null
+++ b/xmake/modules/private/addons/main.lua
@@ -0,0 +1,92 @@
+--!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.package.addon")
+import("core.project.addons")
+
+-- the format version of the addons lock file
+local LOCKVERSION = "1.0"
+
+-- get the requires of the declared addons
+--
+-- @note we always install the locked versions, the declared versions are only used
+-- to resolve them when there is no lock yet, @see _lock_addons
+--
+function _get_requires(addonsinfo, locked)
+    local requires = {}
+    for _, requirestr in ipairs(addonsinfo.addons) do
+        local name = requirestr:split("%s")[1]
+        local lockinfo = locked and locked[name]
+        if lockinfo and lockinfo.version then
+            requirestr = name .. " " .. lockinfo.version
+        end
+        table.insert(requires, requirestr)
+    end
+    return requires
+end
+
+-- lock the installed addons, so that we always get the same ones
+--
+-- @note we get the installed versions from the addons registry, they are
+-- registered when installing them, @see core/package/addon.lua
+--
+function _lock_addons(projectdir, addonsinfo)
+    local lockinfo = {}
+    -- @note we need to reload the registry, they have been installed by another process
+    local installed = addon.addons({force = true})
+    for _, requirestr in ipairs(addonsinfo.addons) do
+        local name = requirestr:split("%s")[1]
+        local addoninfo = installed[addon.dirname(name)]
+        if addoninfo then
+            lockinfo[name] = {version = addoninfo.version}
+        end
+    end
+    lockinfo.__meta__ = {version = LOCKVERSION}
+    io.save(addons.lockfile(projectdir), lockinfo, {orderkeys = true})
+end
+
+-- install the addons which the given project declares in its `xmake-addons.lua`
+--
+-- @note we are called from a sub-process, the project cannot be loaded until its
+-- addons are installed, @see core/project/project.lua
+--
+function main(projectdir)
+    projectdir = projectdir or os.projectdir()
+    local addonsinfo = addons.load(projectdir)
+    if not addonsinfo or #addonsinfo.addons == 0 then
+        return
+    end
+
+    -- install them with xrepo, it installs the packages in its own working directory,
+    -- so we need not a project here
+    local argv = {"lua", "private.xrepo", "install", "--addon"}
+    for _, name in ipairs({"yes", "verbose", "diagnosis"}) do
+        if option.get(name) then
+            table.insert(argv, "--" .. name)
+        end
+    end
+    table.join2(argv, _get_requires(addonsinfo, addons.locked(projectdir)))
+    os.execv(os.programfile(), argv)
+
+    -- and lock them, so that the other users get the same versions
+    _lock_addons(projectdir, addonsinfo)
+end