check if envdir exists before creating it

If envdir already exists, lavalab-gen.py fail

1 files changed, 2 insertions, 1 deletions

diff --git a/lavalab-gen.py b/lavalab-gen.py
index ff0e717..d088bbb 100755
--- a/lavalab-gen.py
+++ b/lavalab-gen.py
@@ -369,7 +369,8 @@ def main():
             for slaveenv in worker["slaveenv"]:
                 slavename = slaveenv["name"]
                 envdir = "%s/env/%s" % (workerdir, slavename)
-                os.mkdir(envdir)
+                if not os.path.isdir(envdir):
+                    os.mkdir(envdir)
                 fenv = open("%s/env.yaml" % envdir, 'w')
                 fenv.write("overrides:\n")
                 for line in slaveenv["env"]: