epm-release_upgrade: set distbranch priority before apt update

bin/epm-release_upgrade

@@ -308,8 +308,8 @@ __switch_alt_to_distro()
 			confirm_info "Upgrade $DISTRNAME from $FROM to $TO ..."
 			docmd epm install rpm apt "$(get_fix_release_pkg "$FROM")" || fatal
 			__switch_repo_to $TO
-			__epm_ru_update || fatal
 			echo '%_priority_distbranch p10' >/etc/rpm/macros.d/p10
+			__epm_ru_update || fatal
 			# TODO: update-kernel -t std-def
 			docmd epm upgrade || fatal "Check an error and run epm release-upgrade again"
 			docmd epm install rpm apt "$(get_fix_release_pkg --force "$TO")" || fatal "Check an error and run epm release-upgrade again"
@@ -351,8 +351,8 @@ __switch_alt_to_distro()
 			confirm_info "Downgrade $DISTRNAME from $FROM to $TO ..."
 			docmd epm install "$(get_fix_release_pkg "$FROM")" || fatal
 			__switch_repo_to $TO
-			__epm_ru_update || fatal
 			rm -fv /etc/rpm/macros.d/p10
+			__epm_ru_update || fatal
 			docmd epm downgrade rpm apt "$(get_fix_release_pkg --force "$TO")" || fatal "Check an error and run epm release-upgrade again"
 			docmd epm downgrade
 			__check_system
@@ -363,8 +363,8 @@ __switch_alt_to_distro()
 			confirm_info "Downgrade $DISTRNAME from $FROM to $TO ..."
 			docmd epm install "$(get_fix_release_pkg "$FROM")" || fatal
 			__switch_repo_to $TO
-			__epm_ru_update || fatal
 			[ "$TO" = "p10" ] && echo '%_priority_distbranch p10' >/etc/rpm/macros.d/p10
+			__epm_ru_update || fatal
 			docmd epm install rpm apt "$(get_fix_release_pkg --force "$TO")" || fatal "Check an error and run epm release-upgrade again"
 			docmd epm downgrade
 			__check_system
@@ -377,8 +377,8 @@ __switch_alt_to_distro()
 			docmd epm upgrade || fatal
 			__replace_alt_version_in_repo "$FROM/branch/" "$TO/"
 			__alt_repofix "alt"
-			__epm_ru_update || fatal
 			[ -s /etc/rpm/macros.d/p10 ] && rm -fv /etc/rpm/macros.d/p10
+			__epm_ru_update || fatal
 			docmd epm install rpm apt "$(get_fix_release_pkg --force "$TO")" || fatal "Check an error and run epm release-upgrade again"
 			#local ADDPKG
 			#ADDPKG=$(epm -q --short make-initrd sssd-ad 2>/dev/null)