epm-install: add support for direct install ebuild

bin/epm-install

@@ -41,6 +41,53 @@ filter_out_installed_packages()
 	esac | sed -e "s|rpm-build-altlinux-compat[^ ]*||g" | filter_strip_spaces
 }
 
+# install ebuild
+# http://ru.gentoo-wiki.com/wiki/Portage_Overlay
+# http://kb.etersoft.ru/Gentoo:_Установка_продуктов_Etersoft
+# http://linuxreviews.org/gentoo/ebuilds/
+# 
+__emerge_install()
+{
+	# FIXME: get info from ebuild
+	local EBUILD=$(estrlist list $* | grep ebuild | head -n1)
+	local TARBALLS=$(estrlist list $* | grep -v ebuild)
+	[ -s "$EBUILD" ] || fatal "Can't find ebuild $EBUILD"
+
+	# load ebuild and get vars
+	. $EBUILD
+	[ -n "$SRC_URI" ] || fatal "Can't load SRC_URI from $EBUILD"
+
+	# try to detect tarballs
+	TARBALLS=
+	local BASEDIR=$(dirname $EBUILD)
+	local i
+	for i in $SRC_URI ; do
+		TARBALLS="$TARBALLS $BASEDIR/$(basename $i)"
+	done
+
+	local LP=/usr/local/portage
+	sudocmd mkdir -p $LP/
+	if ! grep -q $LP /etc/make.conf ; then
+		sudocmd echo 'PORTDIR_OVERLAY="$LP \${PORTDIR_OVERLAY}"' >>/etc/make.conf
+		# Overlay name
+		sudocmd mkdir -p $LP/profiles/
+		sudocmd echo "local" > $LP/profiles/repo_name
+	fi
+
+	# copy tarballs
+	local DDIR=/usr/portage/distfiles
+	[ -d /var/calculate/remote/distfiles ] && DDIR=/var/calculate/remote/distfiles
+	sudocmd cp -f $TARBALLS $DDIR/ || return
+
+	# copy ebuild
+	sudocmd cp -f $EBUILD $LP/ || return
+	cd $LP
+	sudocmd ebuild $(basename $EBUILD) digest
+	cd -
+	# FIXME: more correcty get name
+	local PKGNAME=$(echo $EBUILD | sed -e "s|-[0-9].*||g")
+	sudocmd emerge -av $PKGNAME || return
+}
 
 # copied from etersoft-build-utils/share/eterbuild/functions/rpmpkg
 epm_install_names()
@@ -227,6 +274,9 @@ epm_install_files()
         pkgsrc)
             sudocmd pkg_add $@
             return ;;
+        emerge)
+            __emerge_install $@
+            return ;;
         pacman)
             sudocmd pacman -U --noconfirm $force $nodeps $@ && return
             [ -n "$nodeps" ] && return