# the first dash followed by a non-alphabetic character separates
# the "name" from the "version"

assert builtins.parseDrvName "ripgrep-1.2" == { name = "ripgrep"; version = "1.2"; };
assert builtins.parseDrvName "rip-grep-1.2" == { name = "rip-grep"; version = "1.2"; };
assert builtins.parseDrvName "7zip_archiver-0.2" == { name = "7zip_archiver"; version = "0.2"; };
assert builtins.parseDrvName "gcc-1-2" == { name = "gcc"; version = "1-2"; };
assert builtins.parseDrvName "bash--1-2" == { name = "bash"; version = "-1-2"; };
assert builtins.parseDrvName "xvidtune-?1-2" == { name = "xvidtune"; version = "?1-2"; };

true