Fix eatmydata env var setting

[dgit-junk.git] / setting-tests-env-vars

diff --git a/setting-tests-env-vars b/setting-tests-env-vars
index f34711e5a1bc44b1d0b14849298bbad2382bb3fe..19671ff091a90c7ab50fd24bb68d542933dc53b8 100755 (executable)
--- a/setting-tests-env-vars
+++ b/setting-tests-env-vars
@@ -1,6 +1,8 @@
 #!/bin/sh
 
-export DGIT_TEST_RUN_PFX=eatmydata
+: ${DGIT_TEST_RUN_PFX:=eatmydata}
+export DGIT_TEST_RUN_PFX
+
 export DGIT_TESTS_TMPDIR=/run/user/`id -u`/dgit-tests-tmp
 
 exec "$@"