improve some commands on Gentoo

bin/epm-autoremove

@@ -46,7 +46,7 @@ case $PMTYPE in
 		;;
 	emerge)
 		sudocmd emerge --depclean
-		docmd epm --skip-installed install gentoolkit
+		assure_exists revdep-rebuild
 		sudocmd revdep-rebuild
 		;;
 	pacman)

bin/epm-changelog

@@ -46,12 +46,11 @@ __epm_changelog_local_names()
 			docmd_foreach "rpm --changelog" $@ | less
 			;;
 		apt-dpkg)
-			# FIXME: only first pkg
 			docmd zcat /usr/share/doc/$1/changelog.Debian.gz | less
 			;;
 		emerge)
-			docmd view /usr/portage/category/$1/ChangeLog | less
-			# docmd equery changes -f $1 | less
+			assure_exists equery
+			docmd equery changes -f $1 | less
 			;;
 		pacman)
 			docmd pacman -Qc $1 | less
@@ -83,6 +82,10 @@ __epm_changelog_unlocal_names()
 		#zypper-rpm)
 		#	sudocmd zypper clean
 		#	;;
+		emerge)
+			assure_exists equery
+			docmd equery changes -f $1 | less
+			;;
 		*)
 			fatal "Have no suitable command for $PMTYPE"
 			;;

bin/epm-checkpkg

@@ -39,8 +39,10 @@ check_pkg_integrity()
 		;;
 	*)
 		docmd erc test "$PKG" && return
-		which erc >/dev/null 2>/dev/null && fatal "Check failed"
-		fatal "Install erc package."
+		which erc >/dev/null 2>/dev/null && fatal "Check failed."
+		fatal "Install erc package for file package."
+		# TODO
+		epm install erc
 		;;
 	esac
 }
@@ -54,6 +56,10 @@ case $PMTYPE in
 	*-dpkg)
 		docmd debsums $@
 		;;
+	emerge)
+		assure_exists equery
+		docmd equery check $@
+		;;
 	*)
 		fatal "Have no suitable command for $PMTYPE"
 		;;

bin/epm-info

@@ -71,6 +71,13 @@ case $PMTYPE in
 		is_installed $pkg_names && docmd conary query $pkg_names --info && return
 		docmd conary repquery $pkg_names --info
 		;;
+	emerge)
+		assure_exists equery
+		docmd equery meta $pkg_names
+		docmd equery which $pkg_names
+		docmd equery uses $pkg_names
+		docmd equery size $pkg_names
+		;;
 	slackpkg)
 		docmd /usr/sbin/slackpkg info $pkg_names
 		;;

bin/epm-query

@@ -142,7 +142,7 @@ __epm_query_name()
 		conary)
 			CMD="conary query"
 			;;
-		brew)
+		homebrew)
 			warning "fix query"
 			return 1
 			;;

bin/epm-requires

@@ -59,6 +59,10 @@ case $PMTYPE in
 	apt-dpkg)
 		CMD="apt-cache depends"
 		;;
+	emerge)
+		assure_exists equery
+		CMD="equery depgraph"
+		;;
 	*)
 		fatal "Have no suitable command for $PMTYPE"
 		;;

bin/epm-sh-functions

@@ -224,7 +224,7 @@ assure_exists()
 	PATH=$PATH:/sbin:/usr/sbin which $1 2>/dev/null >/dev/null && return
 	echo "Install appropriate package for $1 command..."
 	case $1 in
-		equery)
+		equery|revdep-rebuild)
 			epm install gentoolkit
 			;;
 		apt-repo)