update

Author: moqsien

internal/cinstaller/installer.go

@@ -28,45 +28,73 @@ func (i *Installer) installPrequisites() error {
 		p := plugins.GetPlugin(i.plugin.Prequisite)
 		// install prequisite
 		i := New(&p)
-		if err := i.Install(); err != nil {
+		// TODO: multi prequisites and versions.
+		if err := i.Install(""); err != nil {
 			return err
 		}
 	}
 	return nil
 }
 
-func (i *Installer) preInstall() error {
-	preInstallHandler := i.plugin.GetPreInstallHandler()
+func (i *Installer) preInstall(version string) error {
+	if i.plugin == nil {
+		return nil
+	}
+	preInstallHandler := i.plugin.GetPreInstallHandler(version)
 	if preInstallHandler != nil {
 		return preInstallHandler()
 	}
 	return nil
 }
 
-func (i *Installer) install() error {
+func (i *Installer) install(version string) error {
+	if i.plugin == nil {
+		return nil
+	}
+	customedInstaller := i.plugin.GetCustomedInstallHandler(version)
+	if customedInstaller != nil {
+		return customedInstaller()
+	}
+	// TODO: default install handler.
 	return nil
 }
 
-func (i *Installer) postInstall() error {
+func (i *Installer) postInstall(version string) error {
+	if i.plugin == nil {
+		return nil
+	}
+	postInstallHandler := i.plugin.GetPostInstallHandler(version)
+	if postInstallHandler != nil {
+		return postInstallHandler()
+	}
 	return nil
 }
 
-func (i *Installer) Install() error {
+func (i *Installer) Install(version string) error {
 	if err := i.installPrequisites(); err != nil {
 		return err
 	}
-	if err := i.preInstall(); err != nil {
+	if err := i.preInstall(version); err != nil {
 		return err
 	}
-	if err := i.install(); err != nil {
+	if err := i.install(version); err != nil {
 		return err
 	}
-	if err := i.postInstall(); err != nil {
+	if err := i.postInstall(version); err != nil {
 		return err
 	}
 	return nil
 }
 
-func (i *Installer) Uninstall() error {
+func (i *Installer) Uninstall(version string) error {
+	if i.plugin == nil {
+		return nil
+	}
+
+	uninstall := i.plugin.GetCustomedUninstallHandler(version)
+	if uninstall != nil {
+		return uninstall()
+	}
+	//TODO: default uninstall handler
 	return nil
 }

internal/luapi/plugin/fromlua.go

@@ -8,15 +8,16 @@ import (
 type LuaConfItem string
 
 const (
-	SDKName         LuaConfItem = "sdk_name"
-	PluginName      LuaConfItem = "plugin_name"
-	PluginVersion   LuaConfItem = "plugin_version"
-	Prequisite      LuaConfItem = "prequisite"
-	Homepage        LuaConfItem = "homepage"
-	Crawler         LuaConfItem = "crawl"
-	PreInstall      LuaConfItem = "preInstall"
-	PostInstall     LuaConfItem = "postInstall" // optional
-	CustomedInstall LuaConfItem = "install"     // optional
+	SDKName           LuaConfItem = "sdk_name"
+	PluginName        LuaConfItem = "plugin_name"
+	PluginVersion     LuaConfItem = "plugin_version"
+	Prequisite        LuaConfItem = "prequisite"
+	Homepage          LuaConfItem = "homepage"
+	Crawler           LuaConfItem = "crawl"
+	PreInstall        LuaConfItem = "preInstall"
+	PostInstall       LuaConfItem = "postInstall" // optional
+	CustomedInstall   LuaConfItem = "install"     // optional
+	CustomedUninstall LuaConfItem = "uninstall"   // optional
 )
 
 var InstallerConfig LuaConfItem = LuaConfItem(lua_global.InstallerConfigName)

internal/luapi/plugin/plugin.go

@@ -319,3 +319,7 @@ func (p *Plugin) GetPreInstallHandler(args ...string) CustomedFuncFromLua {
 func (p *Plugin) GetPostInstallHandler(args ...string) CustomedFuncFromLua {
 	return p.getFuncFromLua(PostInstall, args...)
 }
+
+func (p *Plugin) GetCustomedUninstallHandler(args ...string) CustomedFuncFromLua {
+	return p.getFuncFromLua(CustomedUninstall, args...)
+}