move package manager detection to distro_info

bin/distro_info

@@ -53,6 +53,7 @@ rpmvendor()
 	[ "$DISTRIB_ID" = "TinyCoreLinux" ] && echo "tcl" && return
 	[ "$DISTRIB_ID" = "VoidLinux" ] && echo "void" && return
 	[ "$DISTRIB_ID" = "OpenSUSE" ] && echo "suse" && return
+	[ -n "$VENDOR_ID" ] && echo "$VENDOR_ID" && return
 	tolower "$DISTRIB_ID"
 }
 
@@ -89,6 +90,90 @@ pkgtype()
 	esac
 }
 
+# TODO: in more appropriate way
+#which pkcon 2>/dev/null >/dev/null && info "You can run $ PMTYPE=packagekit epm to use packagekit backend"
+
+# Print package manager (need DISTRIB_ID var)
+pkgmanager()
+{
+local CMD
+# FIXME: some problems with multibased distros (Server Edition on CentOS and Desktop Edition on Ubuntu)
+case $DISTRIB_ID in
+	ALTLinux)
+		CMD="apt-rpm"
+		#which ds-install 2>/dev/null >/dev/null && CMD=deepsolver-rpm
+		#which pkcon 2>/dev/null >/dev/null && CMD=packagekit-rpm
+		;;
+	PCLinux)
+		CMD="apt-rpm"
+		;;
+	Ubuntu|Debian|Mint|AstraLinux|Elbrus)
+		CMD="apt-dpkg"
+		#which aptitude 2>/dev/null >/dev/null && CMD=aptitude-dpkg
+		which snappy 2>/dev/null >/dev/null && CMD=snappy
+		;;
+	Mandriva|ROSA)
+		CMD="urpm-rpm"
+		;;
+	FreeBSD|NetBSD|OpenBSD|Solaris)
+		CMD="pkgsrc"
+		which pkg 2>/dev/null >/dev/null && CMD=pkgng
+		;;
+	Gentoo)
+		CMD="emerge"
+		;;
+	ArchLinux)
+		CMD="pacman"
+		;;
+	Fedora|LinuxXP|ASPLinux|CentOS|RHEL|Scientific|GosLinux|Amzn|RedOS)
+		CMD="dnf-rpm"
+		which dnf 2>/dev/null >/dev/null || CMD=yum-rpm
+		;;
+	Slackware)
+		CMD="slackpkg"
+		;;
+	SUSE|SLED|SLES)
+		CMD="zypper-rpm"
+		;;
+	ForesightLinux|rPathLinux)
+		CMD="conary"
+		;;
+	Windows)
+		CMD="appget"
+		which $CMD 2>/dev/null >/dev/null || CMD="chocolatey"
+		which $CMD 2>/dev/null >/dev/null || CMD="winget"
+		;;
+	MacOS)
+		CMD="homebrew"
+		;;
+	OpenWrt)
+		CMD="opkg"
+		;;
+	GNU/Linux/Guix)
+		CMD="guix"
+		;;
+	Android)
+		CMD="android"
+		;;
+	Cygwin)
+		CMD="aptcyg"
+		;;
+	alpine)
+		CMD="apk"
+		;;
+	TinyCoreLinux)
+		CMD="tce"
+		;;
+	VoidLinux)
+		CMD="xbps"
+		;;
+	*)
+		fatal "Have no suitable DISTRIB_ID $DISTRIB_ID"
+		;;
+esac
+echo "$CMD"
+}
+
 get_var()
 {
 	# get first variable and print it out, drop quotes if exists
@@ -561,11 +646,11 @@ print_pretty_name()
 print_total_info()
 {
 cat <<EOF
-distro_info v$PROGVERSION : Copyright © 2007-2020 Etersoft
+distro_info v$PROGVERSION : Copyright © 2007-2021 Etersoft
 ==== Total system information:
 Pretty distro name (--pretty): $(print_pretty_name)
  Distro name and version (-e): $(print_name_version)
-        Packaging system (-p): $(pkgtype)
+ Package manager/type (-g/-p): $(pkgmanager) / $(pkgtype)
  Running service manager (-y): $(get_service_manager)
           Virtualization (-i): $(get_virt)
                CPU Cores (-c): $(get_core_count)
@@ -597,6 +682,7 @@ case $1 in
 		echo " -n [SystemName] - print vendor name (as _vendor macros in rpm)"
 		echo " -o - print base OS name"
 		echo " -p [SystemName] - print type of the packaging system"
+		echo " -g [SystemName] - print name of the packaging system"
 		echo " -s [SystemName] - print name of distro for build system (like in the package release name)"
 		echo " -y - print running service manager"
 		echo " --pretty - print pretty distro name"
@@ -611,6 +697,12 @@ case $1 in
 		pkgtype
 		exit 0
 		;;
+	-g)
+		# override DISTRIB_ID
+		test -n "$2" && DISTRIB_ID="$2"
+		pkgmanager
+		exit 0
+		;;
 	--pretty)
 		print_pretty_name
 		;;