Pull Lock [Dido Solutions, Inc Wiki]

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====== Pull Lock ======

[[dido:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]]

===== Discussion =====

A Pull Lock is a machine-processable record of the exact source revisions resolved and retrieved during a Crucible pull operation.

A Pull Lock connects the source references in a [[dido:99_annexes:annex-b-terms-and-definitions:c:crucible_description|Crucible Description]] to the immutable revision identifiers used in a particular pipeline execution.

The record supports [[dido:99_annexes:annex-b-terms-and-definitions:v:version_pinning|Version Pinning]], [[dido:99_annexes:annex-b-terms-and-definitions:r:reproducibility|Reproducibility]], [[dido:99_annexes:annex-b-terms-and-definitions:p:provenance|Provenance]], and [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] by preserving the relationship between requested source versions and retrieved source revisions.

A Pull Lock may identify image, provisioning, infrastructure, application, compliance, or other repositories retrieved into a [[dido:99_annexes:annex-b-terms-and-definitions:p:pipeline_workspace|Pipeline Workspace]].

===== Definition =====

//machine-processable record of the exact source revisions resolved and retrieved during a Crucible pull operation//

===== Source =====

Specialized from dependency lock files, source-resolution records, and reproducible-build usage for the Crucible architecture and operational model.

===== Note =====

A Pull Lock records resolved source revisions. It does not contain the complete retrieved source content.

A later execution can compare its resolved revisions with the Pull Lock to detect changed inputs or reproduce the earlier source selection.

===== Example =====

A Crucible Description references tagged image and infrastructure repositories. The pull operation resolves both tags to exact Git commit identifiers and records those identifiers in a Pull Lock.

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