[PATCH v2 0/2] env: setenv add resolve value option

[Artem Lapkin <email2tema@gmail.com>]

Add possibility setup env variable with additional resolving vars inside
value.

Usage examples:

=> setenv a hello; setenv b world; setenv c '${a} ${b}'
=> setenv -r d '${c}! ${a}...'
=> printenv d
d=hello world! hello...

/* internal usage example */
env_resolve("d", "${c}! ${a}...");
/* d="hello world! hello..." */

Artem Lapkin (2):
  env: setenv add resolve value option
  test: env: deep resolve value testing

---
V2 changes:
_ fix comments style
_ add comment include/exports.h
_ remake strcpy to strdup
_ env_resolve minimize
_ test added: test/py/tests/test_env.py: test_env_resovle
---

 cmd/nvedit.c              | 43 ++++++++++++++++++++++++++++++++++++++-
 include/_exports.h        |  1 +
 include/env.h             | 11 ++++++++++
 include/exports.h         |  2 ++
 test/py/tests/test_env.py | 24 ++++++++++++++++++++++
 5 files changed, 80 insertions(+), 1 deletion(-)

-- 
2.25.1