Merge pull request #146 from Financial-Times/env-singleton

Only export .env variables once per Make command
Financial-Times · Feb 2, 2017 · a229641 · a229641
2 parents cd3e56e + fd2b0f6
commit a229641
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Makefile b/Makefile
@@ -2,11 +2,14 @@
 # It's maintained on GitHub. Submit pull requests here: https://www.github.com/Financial-Times/n-makefile
 
 # Export environment variables if a .env file is present.
+ifeq ($(ENV_EXPORTED),) # ENV vars not yet exported
 ifneq ("$(wildcard .env)","")
 sinclude .env
 export $(shell [ -f .env ] && sed 's/=.*//' .env)
+export ENV_EXPORTED=true
 $(info Note — An .env file exists. Its contents have been exported as environment variables.)
 endif
+endif
 
 # Enforce repo ownership
 ifeq ("$(wildcard ft.yml)","")