core/xim: add update command, and sync schedule (default 7day

core/xim/CmdProcessor.lua

@@ -81,6 +81,7 @@ function CmdProcessor:run_target_cmds()
             local pkg = index_manager:load_package(target_pkgname)
             self._pm_executor = pm_service:create_pm_executor(pkg)
             self.target = target_pkgname
+            self._input_target = input_target -- backup
 
             if self.cmds.info_json then
                 local pkginfo = self._pm_executor._pkg:info()
@@ -196,6 +197,8 @@ function CmdProcessor:run_nontarget_cmds()
 -- target is nil
     if self.cmds.list then
         self:list()
+    elseif self.cmds.update then
+        self:update()
     elseif self.cmds.sysdetect then
         self:sys_detect()
     elseif self.cmds.sysupdate then
@@ -336,7 +339,20 @@ function CmdProcessor:remove()
 end
 
 function CmdProcessor:update()
-    cprint("[xlings:xim]: update not implement")
+    cprint("[xlings:xim]: ${dim bright}sync repo and rebuild index...${clear}")
+
+    index_manager:sync_repo()
+    index_manager:rebuild()
+    self:sys_detect()
+
+    -- TODO: support install latest version for target
+    if self._input_target and self._input_target ~= "" then
+        cprint("[xlings:xim]: ${bright}try to update [ %s ] to latest version...${clear}", self._input_target)
+        new(self._input_target .. "@latest", {
+            yes = true,
+            disable_info = true
+        }):run()
+    end
 end
 
 function CmdProcessor:sys_detect()
@@ -360,7 +376,7 @@ end
 function CmdProcessor:sys_update()
     local datadir = runtime.get_xim_data_dir()
     if self.cmds.sysupdate == "index" then
-        index_manager:sync_repo()
+        index_manager:sync_repo(true)
         index_manager:rebuild()
         self:sys_detect()
     elseif self.cmds.sysupdate == "self" then

core/xim/index/IndexManager.lua

@@ -32,8 +32,8 @@ function IndexManager:update()
     IndexManager.status_changed_pkg = {}
 end
 
-function IndexManager:sync_repo()
-    repo_manager:sync()
+function IndexManager:sync_repo(force)
+    repo_manager:sync(force)
 end
 
 function IndexManager:rebuild()

core/xim/index/RepoManager.lua

@@ -20,11 +20,16 @@ RepoManager.__index = RepoManager
 function new()
     local config = xconfig.load()
     RepoManager.repo = config.xim["index-repo"]
-    RepoManager.updateSchedule = 30   -- days
+    RepoManager.updateSchedule = 7   -- days
     return RepoManager
 end
 
-function RepoManager:sync()
+function RepoManager:sync(force)
+
+    if not self:need_to_update(force) then
+        cprint("[xlings: xim]: ${dim}skip sync indexrepos, not reach update schedule(use `xim --update index` to force)...")
+        return
+    end
 
     cprint("[xlings: xim]: sync indexrepos...")
 
@@ -135,6 +140,23 @@ function RepoManager:add_subrepo(namespace, repo)
     return _to_repodir(repo, index_reposdir)
 end
 
+function RepoManager:need_to_update(force)
+    local last_update_file = path.join(data_dir, "xim_last_update_time")
+    if force or (not os.isfile(last_update_file)) then
+        io.writefile(last_update_file, tostring(os.time()))
+        return true
+    else
+        local last_update_time = tonumber(io.readfile(last_update_file))
+        local current_time = os.time()
+        local delta_days = (current_time - last_update_time) / (24 * 3600)
+        if delta_days >= RepoManager.updateSchedule then
+            io.writefile(last_update_file, tostring(current_time))
+            return true
+        end
+    end
+    return false
+end
+
 function _sync_repo(repo, rootdir)
     cprint("[xlings: xim]: sync package index repo: ${dim green}%s", repo)
 

core/xlings.lua

@@ -254,6 +254,8 @@ function main()
         _command_dispatch(d2x, "checker", cmd_target, cmd_args)
     elseif command == "remove" then
         _command_dispatch(xinstall, "-r", cmd_target, cmd_args)
+    elseif command == "update" then
+        _command_dispatch(xinstall, "-u", cmd_target, cmd_args)
     elseif command == "config" then
         config_llm()
     else -- submodule