workaround against ALT bug 37272

bin/epm-Install

@@ -33,7 +33,7 @@ epm_Install()
 		yum-rpm)
 			;;
 		*)
-			pkg_filenames='' epm_update || return
+			(pkg_filenames='' epm_update) || return
 			;;
 	esac
 

bin/epm-Upgrade

@@ -23,10 +23,10 @@ load_helper epm-upgrade
 epm_Upgrade()
 {
 	case $PMTYPE in
-		yum-rpm)
+		yum-rpm|dnf-rpm)
 			;;
 		*)
-			pkg_filenames='' epm_update || return
+			(pkg_filenames='' epm_update) || return
 			;;
 	esac
 

bin/epm-check_updated_repo

@@ -62,7 +62,7 @@ update_repo_if_needed()
     if ! __is_repo_info_downloaded || ! __is_repo_info_uptodate ; then
         load_helper epm-update
         # FIXME: cleans!!!
-        $(pkg_filenames='' epm_update)
+        (pkg_filenames='' epm_update)
     fi
     cd - >/dev/null || fatal
 

bin/epm-query

@@ -88,12 +88,12 @@ _shortquery_via_packages_list()
 	# Note: double call due stderr redirect
 	# Note: we use short=1 here due grep by ^name$
 	# separate first line for print out command
-	short=1 pkg_filenames=$firstpkg epm_packages | grep -- "$grepexp" && res=0 || res=1
+	(short=1 pkg_filenames=$firstpkg epm_packages | grep -- "$grepexp") && res=0 || res=1
 
 	local pkg
 	for pkg in "$@" ; do
 		grepexp=$(_get_grep_exp $pkg)
-		short=1 pkg_filenames=$pkg epm_packages 2>/dev/null | grep -- "$grepexp" || res=1
+		(short=1 pkg_filenames=$pkg epm_packages 2>/dev/null) | grep -- "$grepexp" || res=1
 	done
 
 	# TODO: print in query (for user): 'warning: package $pkg is not installed'
@@ -116,12 +116,12 @@ _query_via_packages_list()
 	# Note: double call due stderr redirect
 	# Note: we use short=1 here due grep by ^name$
 	# separate first line for print out command
-	short=1 pkg_filenames=$firstpkg epm_packages | grep -q -- "$grepexp" && quiet=1 pkg_filenames=$firstpkg epm_packages && res=0 || res=1
+	(short=1 pkg_filenames=$firstpkg epm_packages) | grep -q -- "$grepexp" && (quiet=1 pkg_filenames=$firstpkg epm_packages) && res=0 || res=1
 
 	local pkg
 	for pkg in "$@" ; do
 		grepexp=$(_get_grep_exp $pkg)
-		short=1 pkg_filenames=$pkg epm_packages 2>/dev/null | grep -q -- "$grepexp" && quiet=1 pkg_filenames=$pkg epm_packages || res=1
+		(short=1 pkg_filenames=$pkg epm_packages 2>/dev/null) | grep -q -- "$grepexp" && (quiet=1 pkg_filenames=$pkg epm_packages) || res=1
 	done
 
 	return $res

bin/epm-release_upgrade

@@ -85,7 +85,7 @@ __alt_repofix()
 	local TO="$1"
 	load_helper epm-repofix
 	showcmd epm repofix
-	quiet=1 pkg_filenames='' epm_repofix >/dev/null
+	(quiet=1 pkg_filenames='' epm_repofix >/dev/null)
 	# replace sign name
 	if [ -n "$TO" ] ; then
 		__replace_text_in_alt_repo "/^ *#/! s!\[alt\]![$TO]!g"

bin/epm-simulate

@@ -127,7 +127,7 @@ EOF
     			# use verbose for get package status
     			#pkg_filenames="$pkg-[0-9]" verbose=--verbose __epm_search_internal | egrep "(installed|upgrade)" && continue
     			#pkg_filenames="$pkg" verbose=--verbose __epm_search_internal | egrep "(installed|upgrade)" && continue
-    			pkg_filenames="$pkg" __epm_search_internal | grep -q "^$pkg-[0-9]" && continue
+    			(pkg_filenames="$pkg" __epm_search_internal) | grep -q "^$pkg-[0-9]" && continue
     			res=1
     			info "Package '$pkg' does not found in repository."
     		done