diff options
Diffstat (limited to 'containers/cirrus-run/cirrus-vars.py')
-rwxr-xr-x | containers/cirrus-run/cirrus-vars.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/containers/cirrus-run/cirrus-vars.py b/containers/cirrus-run/cirrus-vars.py new file mode 100755 index 0000000..3d863e7 --- /dev/null +++ b/containers/cirrus-run/cirrus-vars.py @@ -0,0 +1,19 @@ +#!/usr/bin/env python3 + +import os +import re +import sys + +var = re.compile(r'@([a-zA-Z0-9_]+)@') + + +# Return empty string if var is not set, since not all +# OS targets require all vars to be set. +def get_env(matchobj): + return os.environ.get(matchobj.group(1), '') + + +for line in sys.stdin: + print(var.sub(get_env, line), end='') + +sys.exit(0) |