From 2786cad3ffdfb6ee69e23fb296bdc79fe0ddfdc0 Mon Sep 17 00:00:00 2001
From: Fabio Erculiani <lxnay@sabayon.org>
Date: Sun, 7 Aug 2011 18:23:32 +0200
Subject: [PATCH] [bin] add buildrc, build servers custom bashrc file

---
 bin/buildrc | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 bin/buildrc

diff --git a/bin/buildrc b/bin/buildrc
new file mode 100644
index 0000000..5b6f1a3
--- /dev/null
+++ b/bin/buildrc
@@ -0,0 +1,19 @@
+# Emerge wrapper, uses matter lock file support to avoid
+# concurrent execution
+emerge() {
+	matter_lock_file="/var/tmp/.matter_resource.lock"
+	flock -x -n "${matter_lock_file}" true
+	rc=${?}
+	if [ "${rc}" != "0" ]; then
+		echo
+		echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
+		echo "matter is running on this chroot, in order to prevent explosions"
+		echo "this emerge instance will terminate NOW"
+		echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
+		echo
+		return 1
+	else
+		/usr/bin/emerge $@
+		return ${?}
+	fi
+}