From d241a074039801a3949ba67d699a0b49b3918edf Mon Sep 17 00:00:00 2001
From: Achim Gsell <achim.gsell@psi.ch>
Date: Thu, 9 Jul 2015 13:35:17 +0200
Subject: [PATCH] lib/lib.bash: - read_versions() added

---
 lib/lib.bash | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lib/lib.bash b/lib/lib.bash
index 54ff574..95ed0dd 100644
--- a/lib/lib.bash
+++ b/lib/lib.bash
@@ -98,3 +98,18 @@ append_path () {
 	fi
 }
 
+read_versions() {
+	local -r fname="$1"
+	local varname=''
+	while read _name _version; do
+		[[ -z ${_name} ]] && continue
+		[[ -z ${_version} ]] && continue
+		[[ "${_name:0:1}" == '#' ]] && continue
+		var_name=$(echo ${_name} | tr [:lower:] [:upper:])_VERSION
+		# don't set version, if already set
+		if [[ -z ${!var_name} ]]; then
+			eval ${var_name}="${_version}"
+		fi
+	done < "${fname}"
+}
+