Moving getenv to separate package

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/env/env.go b/env/env.go
new file mode 100644
index 00000000..6966150a
--- /dev/null
+++ b/env/env.go
@@ -0,0 +1,15 @@
+package env
+
+import "os"
+
+// Getenv retrieves the value of the environment variable named by the key.
+// It returns the value, or the default (or an emptry string) if the variable is
+// not set.
+func Getenv(key string, def ...string) string {
+	val := os.Getenv(key)
+	if val == "" && len(def) > 0 {
+		return def[0]
+	}
+
+	return val
+}