Wildcard version dependency pins wildcard instead of specific version

[GPHemsley]

Spun off from #4263. This is a regression from 2018.11.26.

Issue description

Dependencies with wildcards get locked with a wildcard version instead of a specific version.

Steps to replicate

• Run pipenv install 'example-test-package==1.0.*'

Expected result

Pipfile.lock contains:

        "example-test-package": {
            "hashes": [
                "sha256:0b164142f6adbef9d719de6885db0ead7b8af66bed3b0a2145dad75420e18a25",
                "sha256:54fec966dab3f3d4f2f5aa6d237bcd30af09a3dc7a0602da0306f39d8c625ec7"
            ],
            "index": "pypi",
            "version": "==1.0.0"
        }

Actual result

Pipfile.lock contains:

        "example-test-package": {
            "hashes": [
                "sha256:0b164142f6adbef9d719de6885db0ead7b8af66bed3b0a2145dad75420e18a25",
                "sha256:54fec966dab3f3d4f2f5aa6d237bcd30af09a3dc7a0602da0306f39d8c625ec7"
            ],
            "index": "pypi",
            "version": "==1.0.*"
        }

[GPHemsley]

Updated with minimal steps to reproduce.

[GPHemsley]

The problem is in pipenv.utils.get_locked_dep here:

pipenv/pipenv/utils.py

Lines 1186 to 1197 in b5becd8

	lockfile_entry = clean_resolved_dep(dep, **cleaner_kwargs)
	if entry and isinstance(entry, Mapping):
	version = entry.get("version", "") if entry else ""
	else:
	version = entry if entry else ""
	lockfile_name, lockfile_dict = lockfile_entry.copy().popitem()
	lockfile_version = lockfile_dict.get("version", "")
	# Keep pins from the lockfile
	if prefer_pipfile and lockfile_version != version and version.startswith("=="):
	lockfile_dict["version"] = version
	lockfile_entry[lockfile_name] = lockfile_dict
	return lockfile_entry

Looks like this was introduced by 552d127, which activated the (unused) changes made much earlier in a08a2da.