Skip to content

Clarify package variant shadowing across repositories #2190

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
JeanChristopheMorinPerso wants to merge 2 commits into
base: main
Choose a base branch
from
Open

Clarify package variant shadowing across repositories #2190

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a6380d2
Clarify package variant shadowing across repositories
JeanChristopheMorinPerso Aug 22, 2026
a9571ad
Refine package shadowing documentation
JeanChristopheMorinPerso Aug 23, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 6 additions & 1 deletion docs/source/basic_concepts.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -187,7 +187,12 @@ Rez finds packages using a search path in much the same way that python finds py

If the same package appears in two or more repositories on the search path, the earlier package is
used in preference. This happens at the version level. For example an earlier package ``foo-1.0.0``
will hide a later package ``foo-1.0.0``, but not ``foo-1.2.0``.
will hide a later package ``foo-1.0.0``, but not ``foo-1.2.0``. This also means that Rez does not combine
variants from identical package versions across repositories, nor fall back to a later repository
when the earlier package has no compatible variant. For example, a local ``foo-1.0.0`` containing
only a Linux variant hides a released ``foo-1.0.0`` containing a Windows variant, even when resolving
on Windows. To exclude locally installed packages from a resolve, use the :option:`rez-env --no-local`
option.

The example search path shown is a typical setting. There are some central repositories later in the
search path, where packages are released to so everyone can use them. But there is also a local
Expand Down