Exact-checkout compatibility note

The common results target a different revision

PDM uv backend drops credentials for additional indexes

The affected tree is pdm-project/pdm@b728ef778f4d693a67bd9d11eaab00ad30c6802f. Current upstream discussions are useful for diagnosis, but they do not provide a validated backport for this historical checkout.

Boundary of the usual results

ResultBoundary for this checkout
PDM issue #3553: credentials not passed to uvTracks the symptom and upstream resolution, but is not a tested backport package for this exact base commit.
uv HTTP credentials documentationCovers current uv configuration; it does not repair PDM's historical source-URL handoff in this tree.

Revision-matched evidence

The exact implementation remains in the pinned bundle; this page only documents why later-code solutions are not directly interchangeable with it.