add initial support for guix

bin/epm-autoremove

@@ -56,6 +56,9 @@ case $PMTYPE in
 		# clean-system removes non official packages
 		#sudocmd slackpkg clean-system
 		;;
+	guix)
+		sudocmd guix gc
+		;;
 	#zypper-rpm)
 	#	sudocmd zypper clean
 	#	;;

bin/epm-install

@@ -143,6 +143,9 @@ epm_install_names()
 		nix)
 			__separate_sudocmd "nix-env --install" "nix-env --upgrade" $@
 			return ;;
+		guix)
+			__separate_sudocmd "guix package -i" "guix package -i" $@
+			return ;;
 		*)
 			fatal "Have no suitable install command for $PMTYPE"
 			;;

bin/epm-packages

@@ -93,6 +93,9 @@ case $PMTYPE in
 	ipkg)
 		CMD="ipkg list"
 		;;
+	guix)
+		CMD="guix package -I"
+		;;
 	*)
 		fatal "Have no suitable query command for $PMTYPE"
 		;;

bin/epm-release-upgrade

@@ -63,6 +63,12 @@ epm_release_upgrade()
 	conary)
 		epm Upgrade
 		;;
+	emerge)
+		epm Upgrade
+		;;
+	guix)
+		sudocmd guix pull --verbose
+		;;
 	*)
 		fatal "Have no suitable command for $PMTYPE"
 		;;

bin/epm-remove

@@ -94,6 +94,9 @@ epm_remove_names()
 		nix)
 			sudocmd nix-env --uninstall $@
 			return ;;
+		guix)
+			sudocmd guix package -r $@
+			return ;;
 		chocolatey)
 			sudocmd chocolatey uninstall $@
 			return ;;

bin/epm-search

@@ -70,6 +70,9 @@ case $PMTYPE in
 	homebrew)
 		CMD="brew search"
 		;;
+	guix)
+		CMD="guix package -A"
+		;;
 	*)
 		fatal "Have no suitable search command for $PMTYPE"
 		;;

bin/epm-sh-functions

@@ -326,6 +326,9 @@ case $DISTRNAME in
 	OpenWRT)
 		CMD="ipkg"
 		;;
+	GNU/Linux/Guix)
+		CMD="guix"
+		;;
 	*)
 		fatal "Have no suitable DISTRNAME $DISTRNAME"
 		;;

bin/epm-upgrade

@@ -71,6 +71,9 @@ epm_upgrade()
 	slackpkg)
 		CMD="/usr/sbin/slackpkg upgrade-all"
 		;;
+	guix)
+		CMD="guix package -u"
+		;;
 	*)
 		fatal "Have no suitable command for $PMTYPE"
 		;;