Merge branch 'sayanarijit:master' into master

.github/dependabot.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+- package-ecosystem: pip
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10

README.md

@@ -102,3 +102,8 @@ poetry install
 - Keep it simple. Run `poetry run black` to auto format the code.
 - Test your changes locally by running `poetry run pytest` (pass `--cov --cov-report html` for browsable coverage report).
 - If you are familiar with [tox](https://tox.readthedocs.io), you may want to use it for testing in different python versions.
+
+Alternatives
+------------
+
+- [environs](https://github.com/sloria/environs) - simplified environment variable parsing.

expandvars.py

@@ -8,7 +8,7 @@
 __email__ = "[email protected]"
 __homepage__ = "https://github.com/sayanarijit/expandvars"
 __description__ = "Expand system variables Unix style"
-__version__ = "v0.6.5"  # Also update pyproject.toml
+__version__ = "v0.7.0"  # Also update pyproject.toml
 __license__ = "MIT"
 __all__ = [
     "BadSubstitution",
@@ -392,7 +392,7 @@ def expand_default(var, vars_, set_, nounset, indirect, environ, var_symbol):
     for c in vars_:
         if c == "}":
             n = len(default) + 1
-            default_ = "".join(default)
+            default_ = expand("".join(default))
             if set_ and var not in environ:
                 environ.update({var: default_})
             return getenv(