disallow --release=dev

dev releases don't work like other kinds of releases, they would
have to be implemented as a different kind of part.

CHANGELOG.md

@@ -13,6 +13,7 @@
  - Fix gitlab #8: Push tags only pushed tags, not actual commit.
  - Fix gitlab #9: Make commit message configurable.
  - Fix gitlab #11: Show regexp when `--verbose` is used.
+ - Fix: Disallow `--release=dev` which has different semantics than other release tags.
  - Switch main repo from gitlab to github.
 
 

src/pycalver/__main__.py

@@ -69,7 +69,7 @@ def _configure_logging(verbose: int = 0) -> None:
     logger.debug("Logging configured.")
 
 
-VALID_RELEASE_VALUES = ("alpha", "beta", "dev", "rc", "post", "final")
+VALID_RELEASE_VALUES = ("alpha", "beta", "rc", "post", "final")
 
 
 _current_date = dt.date.today().isoformat()

test/test_patterns.py

@@ -130,14 +130,12 @@ V2_PART_PATTERN_CASES = [
     (['RELEASE'], "alpha" , "alpha"),
     (['RELEASE'], "alfa"  , None),
     (['RELEASE'], "beta"  , "beta"),
-    (['RELEASE'], "dev"   , "dev"),
     (['RELEASE'], "rc"    , "rc"),
     (['RELEASE'], "post"  , "post"),
     (['RELEASE'], "final" , "final"),
     (['RELEASE'], "latest", None),
     (['PYTAG'  ], "a"     , "a"),
     (['PYTAG'  ], "b"     , "b"),
-    (['PYTAG'  ], "dev"   , "dev"),
     (['PYTAG'  ], "rc"    , "rc"),
     (['PYTAG'  ], "post"  , "post"),
     (['PYTAG'  ], "post"  , "post"),