epm play: restore separated installed app list

bin/epm-play

@@ -21,9 +21,14 @@
 epm_vardir=/var/lib/eepm
 
 
+__check_installed_app()
+{
+	[ -s $epm_vardir/installed-app ] || return 1
+	grep -q -- "^$1\$" $epm_vardir/installed-app
+}
+
 __save_installed_app()
 {
-	return 0 # stub
 	[ -d "$epm_vardir" ] || return 0
 	__check_installed_app "$1" && return 0
 	echo "$1" | sudorun tee -a $epm_vardir/installed-app >/dev/null
@@ -31,7 +36,6 @@ __save_installed_app()
 
 __remove_installed_app()
 {
-	return 0 # stub
 	[ -s $epm_vardir/installed-app ] || return 0
 	local i
 	for i in $* ; do
@@ -40,6 +44,13 @@ __remove_installed_app()
 	return 0
 }
 
+
+__is_app_installed()
+{
+	__run_script "$1" --installed "$2"
+	return
+}
+
 __run_script()
 {
 	local script="$psdir/$1.sh"
@@ -54,14 +65,6 @@ __get_app_package()
 	__run_script "$1" --package-name "$2" 2>/dev/null
 }
 
-__check_installed_app()
-{
-	__run_script "$1" --installed "$2"
-	return
-
-	[ -s $epm_vardir/installed-app ] || return 1
-	grep -q -- "^$1\$" $epm_vardir/installed-app
-}
 
 
 __list_all_app()
@@ -215,7 +218,6 @@ fi
 
 if [ "$1" = "--remove" ] || [ "$1" = "remove" ]  ; then
     shift
-    #__check_installed_app "$1" || warning "$1 is not installed"
     prescription="$1"
     shift
     if __check_play_script "$prescription" ; then
@@ -251,7 +253,7 @@ if [ "$1" = "--update" ] ; then
     if [ -z "$1" ] ; then
         fatal "run --update with 'all' or a project name"
     fi
-    __check_installed_app "$1" || fatal "$1 is not installed"
+    __is_app_installed "$1" || fatal "$1 is not installed"
     prescription="$1"
     shift
     __epm_play_run $prescription --update "$@"
@@ -260,7 +262,7 @@ fi
 
 if [ "$1" = "--installed" ] || [ "$1" = "installed" ]  ; then
     shift
-    __check_installed_app "$1" "$2"
+    __is_app_installed "$1" "$2"
     #[ -n "$quiet" ] && exit
     exit
 fi
@@ -303,7 +305,7 @@ prescription="$1"
 shift
 
 if __check_play_script "$prescription" ; then
-    #__check_installed_app "$prescription" && info "$$prescription is already installed (use --remove to remove)" && exit 1
+    #__is_app_installed "$prescription" && info "$$prescription is already installed (use --remove to remove)" && exit 1
     __epm_play_run "$prescription" --run "$@" && __save_installed_app "$prescription" || fatal "There was some error during install the application."
 else
     psdir=$prsdir