Utilities: Use grep -E instead of egrep

egrep has been deprecated for a long time.  This only appeared in
packages with provider_priority or replaces_priority, which presently
only affects user/netqmail and user/postfix.  It's still good to fix.

Closes: #12

2 files changed, 3 insertions, 3 deletions

diff --git a/abuild.in b/abuild.in
index c70ade5..0efe7d9 100644
--- a/abuild.in
+++ b/abuild.in
@@ -136,12 +136,12 @@ default_sanitycheck() {
 	fi
 
 	if [ -n "$replaces_priority" ] \
-		&& ! echo $replaces_priority | egrep -q '^[0-9]+$'; then
+		&& ! echo $replaces_priority | grep -Eq '^[0-9]+$'; then
 		die "replaces_priority must be a number"
 	fi
 
 	if [ -n "$provider_priority" ] \
-		&& ! echo $provider_priority | egrep -q '^[0-9]+$'; then
+		&& ! echo $provider_priority | grep -Eq '^[0-9]+$'; then
 		die "provider_priority must be a number"
 	fi
 
diff --git a/buildlab.in b/buildlab.in
index 1b56ffc..f75717b 100644
--- a/buildlab.in
+++ b/buildlab.in
@@ -55,7 +55,7 @@ runpart() {
 }
 
 is_vserver() {
-	egrep -q '^VxID:[[:space:]]*[0-9]+' /proc/self/status
+	grep -Eq '^VxID:[[:space:]]*[0-9]+' /proc/self/status
 }
 
 do_chroot_open() {