implement info and use it

bin/epm-Install

@@ -26,7 +26,7 @@ epm_Install()
     local names="$(echo $pkg_names | filter_out_installed_packages)"
     local files="$(echo $pkg_files | filter_out_installed_packages)"
 
-    [ -z "$files$names" ] && echo "Skip empty install list" && return 22
+    [ -z "$files$names" ] && info "Skip empty install list" && return 22
 
 	# do update only if really need install something
 	case $PMTYPE in

bin/epm-addrepo

@@ -25,10 +25,10 @@ case $PMTYPE in
 		sudocmd apt-repo add $pkg_filenames
 		;;
 	apt-dpkg|aptitude-dpkg)
-		echo "You need manually add repo to /etc/apt/sources.list"
+		info "You need manually add repo to /etc/apt/sources.list"
 		;;
 	yum-rpm)
-		echo "You need manually add repo to /etc/yum.repos.d/"
+		info "You need manually add repo to /etc/yum.repos.d/"
 		;;
 	urpm-rpm)
 		sudocmd urpmi.addmedia $pkg_filenames
@@ -40,7 +40,7 @@ case $PMTYPE in
 		sudocmd layman -a $pkg_filenames
 		;;
 	pacman)
-		echo "You need manually add repo to /etc/pacman.conf"
+		info "You need manually add repo to /etc/pacman.conf"
 		# Only for alone packages:
 		#sudocmd repo-add $pkg_filenames
 		;;
@@ -48,7 +48,7 @@ case $PMTYPE in
 		sudocmd npackdcl add-repo --url=$pkg_filenames
 		;;
 	slackpkg)
-		echo "You need manually add repo to /etc/slackpkg/mirrors"
+		info "You need manually add repo to /etc/slackpkg/mirrors"
 		;;
 	*)
 		fatal "Have no suitable command for $PMTYPE"

bin/epm-assure

@@ -36,14 +36,14 @@ __epm_assure()
     if __check_command_in_path "$1" >/dev/null ; then
         if [ -n "$verbose" ] ; then
             local compath="$(__check_command_in_path "$1")"
-            echo "Command $1 is exists: $compath"
+            info "Command $1 is exists: $compath"
             epm qf "$compath"
         fi
         return
     fi
 
     # TODO: use package name normalization
-    echo "Install appropriate package for $1 command..."
+    info "Install appropriate package for $1 command..."
 
     local PACKAGE="$2"
     [ -n "$PACKAGE" ] || PACKAGE="$1"

bin/epm-autoremove

@@ -22,8 +22,8 @@ __epm_autoremove_altrpm()
 	local pkg
 	local flag=
 	load_helper epm-packages
-	echo
-	echo "Just remove all non -devel libs packages not need by anything"
+	info
+	info "Just remove all non -devel libs packages not need by anything"
 	for pkg in $(short=1 pkg_filenames= epm_packages | grep -- "^lib" | grep -v -- "-devel$" | grep -v -- ^libreoffice ) ; do
 		sudocmd rpm -v -e $pkg && flag=1
 	done

bin/epm-checkpkg

@@ -70,7 +70,7 @@ esac
 epm_checkpkg()
 {
 	if [ -n "$pkg_names" ] ; then
-		echo "Suggest $pkg_names are names of installed packages"
+		info "Suggest $pkg_names are name(s) of installed packages"
 		__epm_check_installed_pkg $pkg_names
 		return
 	fi

bin/epm-clean

@@ -51,6 +51,6 @@ case $PMTYPE in
 		fatal "Have no suitable command for $PMTYPE"
 		;;
 esac
-	echo "It is recommend to run 'epm autoremove' also"
+	info "It is recommend to run 'epm autoremove' also"
 
 }

bin/epm-install

@@ -369,12 +369,12 @@ epm_install()
         return
     fi
 
-    [ -n "$pkg_files$pkg_names" ] || { echo "Skip empty install list" ; return 22 ; }
+    [ -z "$pkg_files$pkg_names" ] && info "Skip empty install list" && return 22
 
     local names="$(echo $pkg_names | filter_out_installed_packages)"
     local files="$(echo $pkg_files | filter_out_installed_packages)"
 
-    [ -z "$files$names" ] && echo "Skip empty install list" && return 22
+    [ -z "$files$names" ] && info "Skip empty install list" && return 22
 
     # it is useful for first time running
     update_repo_if_needed

bin/epm-kernel_update

@@ -19,7 +19,7 @@
 
 epm_kernel_update()
 {
-	echo "Start update system kernel to the latest version"
+	info "Start update system kernel to the latest version"
 
 	case $DISTRNAME in
 	ALTLinux)

bin/epm-provides

@@ -73,7 +73,7 @@ case $PMTYPE in
 	apt-dpkg)
 		# FIXME: need fix for a few names case
 		if is_installed $pkg_names ; then
-			echo "Please inform the author how to get provides from dpkg"
+			info "Please inform the author how to get provides from dpkg"
 		fi
 		#	CMD="rpm -q --provides"
 		#else

bin/epm-query_file

@@ -33,7 +33,7 @@ __do_query_real_file()
 	else
 		TOFILE=`which $1 2>/dev/null || echo $1`
 		if [ "$TOFILE" != "$1" ] ; then
-		echo "Note: $1 is placed as $TOFILE"
+			info "Note: $1 is placed as $TOFILE"
 		fi
 	fi
 	
@@ -41,10 +41,11 @@ __do_query_real_file()
 	if [ -L "$TOFILE" ] ; then
 		__do_query $TOFILE
 		LINKTO=`readlink "$TOFILE"`
-		echo "Note: $TOFILE is link to $LINKTO"
+		info "Note: $TOFILE is link to $LINKTO"
 		__do_query_real_file "$LINKTO"
 	fi
-	FULLFILEPATH=`realpath $TOFILE`
+
+	FULLFILEPATH="$TOFILE"
 }
 
 dpkg_print_name_version()
@@ -141,6 +142,7 @@ epm_query_file()
 {
     # in short mode print handle only real names and do short output
     # TODO: move to separate command?
+    # FIXME: it is possible use query
     if [ -n "$short" ] ; then
         [ -n "$pkg_files" ] || fatal "Run query without file names (needed path to files)"
         __do_short_query $pkg_files

bin/epm-release-upgrade

@@ -19,8 +19,8 @@
 
 epm_release_upgrade()
 {
-	echo "Start upgrade whole system to the next release"
-	echo "Check also http://wiki.etersoft.ru/Admin/UpdateLinux"
+	info "Start upgrade whole system to the next release"
+	info "Check also http://wiki.etersoft.ru/Admin/UpdateLinux"
 
 	case $PMTYPE in
 	apt-rpm)

bin/epm-removerepo

@@ -25,10 +25,10 @@ case $PMTYPE in
 		sudocmd apt-repo rm $pkg_filenames
 		;;
 	apt-dpkg|aptitude-dpkg)
-		echo "You need remove repo from /etc/apt/sources.list"
+		info "You need remove repo from /etc/apt/sources.list"
 		;;
 	yum-rpm)
-		echo "You need remove repo from /etc/yum.repos.d/"
+		info "You need remove repo from /etc/yum.repos.d/"
 		;;
 	urpm-rpm)
 		sudocmd urpmi.removemedia $pkg_filenames
@@ -40,13 +40,13 @@ case $PMTYPE in
 		sudocmd layman -d$pkg_filenames
 		;;
 	pacman)
-		echo "You need remove repo from /etc/pacman.conf"
+		info "You need remove repo from /etc/pacman.conf"
 		;;
 	npackd)
 		sudocmd npackdcl remove-repo --url=$pkg_filenames
 		;;
 	slackpkg)
-		echo "You need remove repo from /etc/slackpkg/mirrors"
+		info "You need remove repo from /etc/slackpkg/mirrors"
 		;;
 	*)
 		fatal "Have no suitable command for $PMTYPE"

bin/epm-sh-functions

@@ -102,12 +102,6 @@ set_target_pkg_env()
 	RPMVENDOR=$($DISTRVENDOR -n "$DISTRNAME")
 }
 
-# for systems without realpath command
-realpath()
-{
-        readlink -f "$@"
-}
-
 # Print command line and run command line
 showcmd()
 {
@@ -237,6 +231,14 @@ warning()
 	fi
 }
 
+info()
+{
+	isatty || return 0
+	[ -n "$quiet" ] && return
+
+	echo "$@"
+}
+
 set_sudo()
 {
 	SUDO=""
@@ -261,7 +263,7 @@ set_eatmydata()
 	# use if possible
 	which eatmydata >/dev/null 2>/dev/null || return
 	SUDO="$SUDO eatmydata"
-	isatty && echo "Uwaga! eatmydata is installed, we will use it for disable all sync operations." >&2
+	info "Uwaga! eatmydata is installed, we will use it for disable all sync operations."
 	return 0
 }
 

bin/epm-simulate

@@ -117,7 +117,7 @@ EOF
     			pkg_filenames="$pkg-[0-9]" epm_search | grep -E "(installed|upgrade)" && continue
     			pkg_filenames="$pkg" epm_search | grep -E "(installed|upgrade)" && continue
     			res=1
-    			echo "Does not found in repository."
+    			info "Does not found in repository."
     		done
     		return $res ;;
     	*)
@@ -130,16 +130,16 @@ EOF
 
 epm_simulate()
 {
-    [ -z "$pkg_filenames" ] && echo "Skip empty list" && return 22
+    [ -z "$pkg_filenames" ] && info "Skip empty list" && return 22
 
     local filenames="$(echo $pkg_filenames | filter_out_installed_packages)"
 
-    [ -z "$filenames" ] && echo "All packages are already installed" && return 0
+    [ -z "$filenames" ] && info "All packages are already installed" && return 0
 
     _epm_do_simulate $filenames
     local RES=$?
     if [ -z "$quiet" ] ; then
-        [ "$RES" = 0 ] && echo "Result: $filenames package(s) CAN BE installed" || echo "Result: There are PROBLEMS with install some package(s)"
+        [ "$RES" = 0 ] && info "Result: $filenames package(s) CAN BE installed" || info "Result: There are PROBLEMS with install some package(s)"
     fi
     return $RES
 }

bin/epm-update

@@ -21,7 +21,7 @@
 
 epm_update()
 {
-	echo "Run command for update remote package repository database"
+	info "Run command for update remote package repository database"
 
 case $PMTYPE in
 	apt-rpm)

bin/epm-upgrade

@@ -26,7 +26,7 @@ epm_upgrade()
 	# it is useful for first time running
 	update_repo_if_needed
 
-	echo "Run command for upgrade packages"
+	info "Run command for upgrade packages"
 
 	case $PMTYPE in
 	apt-rpm|apt-dpkg)