commands: Add shorthand flags -M (--renderToMemory) and -N (--navigat…

…eToChanged)

Closes #12530

commands/commandeer.go

@@ -506,7 +506,7 @@ Complete documentation is available at https://gohugo.io/.`
 	cmd.PersistentFlags().StringVar(&r.cfgDir, "configDir", "config", "config dir")
 	_ = cmd.MarkFlagDirname("configDir")
 	cmd.PersistentFlags().BoolVar(&r.quiet, "quiet", false, "build in quiet mode")
-	cmd.PersistentFlags().BoolVar(&r.renderToMemory, "renderToMemory", false, "render to memory (mostly useful when running the server)")
+	cmd.PersistentFlags().BoolVarP(&r.renderToMemory, "renderToMemory", "M", false, "render to memory (mostly useful when running the server)")
 
 	cmd.PersistentFlags().BoolVarP(&r.verbose, "verbose", "v", false, "verbose output")
 	cmd.PersistentFlags().BoolVarP(&r.debug, "debug", "", false, "debug output")

commands/server.go

@@ -538,7 +538,7 @@ of a second, you will be able to save and see your changes nearly instantly.`
 	cmd.Flags().BoolVar(&c.noHTTPCache, "noHTTPCache", false, "prevent HTTP caching")
 	cmd.Flags().BoolVarP(&c.serverAppend, "appendPort", "", true, "append port to baseURL")
 	cmd.Flags().BoolVar(&c.disableLiveReload, "disableLiveReload", false, "watch without enabling live browser reload on rebuild")
-	cmd.Flags().BoolVar(&c.navigateToChanged, "navigateToChanged", false, "navigate to changed content file on live browser reload")
+	cmd.Flags().BoolVarP(&c.navigateToChanged, "navigateToChanged", "N", false, "navigate to changed content file on live browser reload")
 	cmd.Flags().BoolVar(&c.renderStaticToDisk, "renderStaticToDisk", false, "serve static files from disk and dynamic files from memory")
 	cmd.Flags().BoolVar(&c.disableFastRender, "disableFastRender", false, "enables full re-renders on changes")
 	cmd.Flags().BoolVar(&c.disableBrowserError, "disableBrowserError", false, "do not show build errors in the browser")