Fix desktop file, add uninstall to Makefile

Makefile

@@ -2,7 +2,8 @@ CC ?= clang
 CXX ?= clang++
 CFLAGS ?= -O2 -Wall -Wextra -std=c++11
 PREFIX ?= /usr/local/bin
-APPFOLDER ?= /usr/share/applications
+APPDIR ?= /usr/share/applications
+ICONDIR ?= /usr/share/icons/hicolor
 
 .PHONY: default
 default: tv_rename
@@ -20,10 +21,22 @@ install: tv_rename
 install_gui: gui
 	install -d $(PREFIX)/
 	install -m 755 tv_rename_gui $(PREFIX)/
-	cat tv_rename.desktop | sed "s/\$$PWD/$$(pwd | sed 's/\//\\\//g')/" > temp.desktop
-	chmod +x temp.desktop
-	install -d $(APPFOLDER)
-	mv temp.desktop $(APPFOLDER)/tv_rename.desktop
+	install -d $(APPDIR)
+	install -m 755 tv_rename_gui.desktop $(APPDIR)/
+	install -d $(ICONDIR)
+	install -m 644 tv_rename.svg $(ICONDIR)/scalable/apps/
+	gtk-update-icon-cache -f $(ICONDIR)
+
+.PHONY: uninstall
+uninstall:
+	rm $(PREFIX)/tv_rename
+
+.PHONY: uninstall_gui
+uninstall_gui:
+	rm $(PREFIX)/tv_rename_gui
+	rm $(APPDIR)/tv_rename_gui.desktop
+	rm $(ICONDIR)/scalable/apps/tv_rename.svg
+	gtk-update-icon-cache -f $(ICONDIR)
 
 tv_rename: functions.o filesystem_u.o network.o tv_rename.o main.cpp
 	$(CXX) $(CFLAGS) -o tv_rename main.cpp tv_rename.o functions.o filesystem_u.o network.o -lcurl

tv_rename_gui.desktop

@@ -1,4 +1,3 @@
-#!/usr/bin/env xdg-open
 [Desktop Entry]
 Encoding=UTF-8
 Value=1.0
@@ -6,5 +5,5 @@ Type=Application
 Name=TV Rename
 GenericName=TV Rename
 Comment=TV Rename
-Icon=$PWD/tv_rename.svg
+Icon=tv_rename
 Exec=tv_rename_gui