move get_ext to common part and use erc for it

bin/rpmgs

@@ -66,11 +66,6 @@ check_tarball()
 	erc -q check "$1"
 }
 
-get_ext()
-{
-	rhas "$1" "\." && echo "$1" | sed -e "s|.*\.||" | grep -v "/"
-}
-
 # Args: URL TARGET
 download_to()
 {

etersoft-build-utils.spec

@@ -24,7 +24,7 @@ BuildRequires: rpm-build-compat >= %altcompat_ver
 
 Requires: giter >= 1.10
 Requires: eepm >= 1.7.2
-Requires: erc >= 0.8
+Requires: erc >= 0.9.2
 
 Requires: rpm-build
 Requires: rpm-build-compat >= %altcompat_ver

share/eterbuild/functions/common

@@ -158,6 +158,9 @@ DISTRVENDOR=$(realpath $ETERBUILDBIN/../../rpm-build-altlinux-compat/bin/distr_v
 EPMCMD=$(realpath $ETERBUILDBIN/../../eepm/bin/epm 2>/dev/null)
 [ -x "$EPMCMD" ] || EPMCMD=epm
 
+ERCCMD=$(realpath $ETERBUILDBIN/../../erc/bin/erc 2>/dev/null)
+[ -x "$ERCCMD" ] || ERCCMD=erc
+
 print_list()
 {
 	local i
@@ -433,6 +436,14 @@ check_key()
 	check_ssh_key
 }
 
+get_ext()
+{
+	# first check if it is archive
+	$ERCCMD type "$1" && return
+	# default code, it broken sequenced extensions (like .tar.gz)
+	rhas "$1" "\." && echo "$1" | sed -e "s|.*\.||" | grep -v "/"
+}
+
 make_temp_file()
 {
 	# Workaround about broken mktemp