allow overriding package names in specific repos

2 files changed, 21 insertions, 6 deletions

diff --git a/repos/__init__.py b/repos/__init__.py
index 7023071..c836861 100644
--- a/repos/__init__.py
+++ b/repos/__init__.py
@@ -1,7 +1,7 @@
 from typing import Mapping, List
 
 from . import alpine_linux, arch_linux, crates_io
-from .base import Repository, Version
+from .base import Repository, slug, Version
 
 __all__ = [
     'get_versions',
@@ -19,10 +19,21 @@ all_repos: List[Repository] = [
     *repos_from(crates_io),
 ]
 
-def get_versions(package: str) -> Mapping[str, Version]:
+def get_versions(package: str, args: Mapping[str, str]) -> Mapping[str, Version]:
+    special_cases = dict()
+    for repo, name in args.items():
+        special_cases[repo] = name
     result = dict()
     for repo in all_repos:
         repo_versions = repo.get_versions()
-        if package in repo_versions:
-            result[repo.full_name()] = repo_versions[package]
+        if slug(repo.full_name()) in special_cases:
+            package_here = special_cases[slug(repo.full_name())]
+        elif slug(repo.family) in special_cases:
+            package_here = special_cases[slug(repo.family)]
+        elif slug(repo.repo) in special_cases:
+            package_here = special_cases[slug(repo.repo)]
+        else:
+            package_here = package
+        if package_here in repo_versions:
+            result[repo.full_name()] = repo_versions[package_here]
     return result
diff --git a/repos/base.py b/repos/base.py
index 3537f05..c20853a 100644
--- a/repos/base.py
+++ b/repos/base.py
@@ -11,14 +11,18 @@ import semver
 
 __all__ = [
     'Repository',
+    'slug',
     'Version',
 ]
 
 HTTP_DATE = '%a, %d %b %Y %H:%M:%S GMT'
 SLUGIFY = re.compile(r'\W+')
 
-def slug(text: str) -> str:
-    return SLUGIFY.sub('-', text.lower()).strip('-')
+def slug(text: Optional[str]) -> str:
+    if text is None:
+        return ''
+    else:
+        return SLUGIFY.sub('-', text.lower()).strip('-')
 
 @total_ordering
 @dataclass()