Merge pull request #108 from basxto/master

Tested with Lubuntu 16.04, works great.

gbm.desktop

@@ -0,0 +1,15 @@
+[Desktop Entry]
+Encoding=UTF-8
+Type=Application
+Version=1.0
+Name=Game Backup Monitor
+Comment=Monitors games and backs up their savegames
+Comment[de]=Beobachtet Spiele und sichert ihre Spielstände
+
+Path=/usr/local/bin
+TryExec=mono
+Exec=mono gbm
+Terminal=false
+
+Icon=gbm
+Categories=Utility;Archiving;Monitor

makefile

@@ -0,0 +1,36 @@
+ICONSIZES := 16 24 32 48 64 72 96 128 256
+IMGMAGICK := $(shell command -v convert 2> /dev/null)
+XDGUTILS := $(shell command -v xdg-desktop-menu 2> /dev/null)
+define \n
+
+
+endef
+
+install: GBM.exe $(foreach size,$(ICONSIZES),gbm_$(size)x$(size).png)
+ifndef XDGUTILS
+	$(error "xdg-desktop-menu is not available, please install xdg-utils")
+endif
+#rename it in a way, it can easily started from terminal
+	install GBM.exe /usr/local/bin/gbm;
+#install icon in different sizes
+	$(foreach size,$(ICONSIZES),xdg-icon-resource install --mode system --novendor --noupdate --size $(size) gbm_$(size)x$(size).png gbm;$(\n))
+	xdg-icon-resource forceupdate --mode system;
+#install .desktop file, which is used for running gbm from desktop and menus
+	xdg-desktop-menu install --mode system --novendor gbm.desktop;
+
+uninstall: /usr/local/bin/gbm
+ifndef XDGUTILS
+	$(error "xdg-desktop-menu is not available, please install xdg-utils")
+endif
+	rm /usr/local/bin/gbm;
+	$(foreach size,$(ICONSIZES),xdg-icon-resource uninstall --mode system --novendor --noupdate --size $(size) gbm;$(\n))
+	xdg-icon-resource forceupdate --mode system;
+	xdg-desktop-menu uninstall --mode system --novendor gbm.desktop;
+
+gbm_%.png: gbm.ico
+ifndef IMGMAGICK
+	$(error "convert is not available, please install imagemagick")
+endif
+#extracts the correct ico index appended to the filename from identify’s output
+	$(eval INDEX := $(shell identify gbm.ico | grep $* | cut -d" " -f1;))
+	convert '$(INDEX)' '$@';