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[bug#32424] [PATCH] database: Add a Checkouts table.

From: Ludovic Courtès
Subject: [bug#32424] [PATCH] database: Add a Checkouts table.
Date: Mon, 20 Aug 2018 22:53:37 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)


Clément Lassieur <address@hidden> skribis:

> It is used to know when a new evaluation must be triggered and to display
> input changes.
> * (dist_sql_DATA): Add 'src/sql/upgrade-3.sql'.
> * bin/ (input-checkout, format-checkouts): Rename '#:name' to
> '#:input'.
> * doc/cuirass.texi (Stamps): Remove section.
> (Checkouts): New section.
> * src/cuirass/base.scm (fetch-input, fetch-inputs, compile-checkouts): Rename
> '#:name' to '#:input'.
> (evaluate): Remove the COMMITS argument.  Add an EVAL-ID argument.  Don't call
> DB-ADD-EVALUATION because it was called sooner.  Remove the EVAL-ID argument
> to AUGMENT-JOB because it's a closure.
> (build-packages): Add an EVAL-ID argument.  Call DB-SET-EVALUATION-DONE once
> all the derivations are registered.
> (process-specs): Replace the stamping mechanism by the primary key constraint
> of the Checkouts table: call "evaluate" only when DB-ADD-EVALUATION is true,
> which means that at least one checkout was added.  Change the EVALUATE and
> BUILD-PACKAGES arguments accordingly.
> * src/cuirass/database.scm (db-add-stamp, db-get-stamp): Remove procedures.
> (db-set-evaluation-done): New exported procedure.
> (db-add-checkout): New procedure that returns #f if a checkout with the same
> revision already exists.
> (db-add-evaluation): Replace the EVAL argument with a SPEC-NAME and a
> CHECKOUTS arguments.  Insert the evaluation only if at least one checkout was
> inserted.  Return #f otherwise.
> (db-get-checkouts): New procedure.
> (db-get-evaluations, db-get-evaluations-build-summary): Handle the
> 'in_progress' column, remove the 'commits' column.  Return the result of
> DB-GET-CHECKOUTS as part of the evaluation.
> * src/cuirass/templates.scm (input-changes, evaluation-badges): New
> procedures.
> (evaluation-info-table): Rename "Commits" to "Input changes".  Use
> INPUT-CHANGES to display the input changes that triggered the evaluation.  Use
> EVALUATION-BADGES to display a message indicating that the evaluation is in
> progress.
> * src/schema.sql (Stamps): Remove table.
> (Checkouts): New table.
> (Evaluations): Remove the 'commits' column.  Add an 'in_progress' column.
> * src/sql/upgrade-3.sql: New file with SQL queries to upgrade the database.
> * tests/database.scm (make-dummy-eval): Remove procedure.
> (make-dummy-checkouts): New procedure.
> ("sqlite-exec"): Remove the 'commits' column.  Add the 'in_progress' column.
> ("db-update-build-status!", "db-get-builds", "db-get-pending-derivations"):
> Update the arguments of DB-ADD-EVALUATION accordingly.
> * tests/http.scm (hash-table=?): Add support for lists of hash tables.
> (evaluations-query-result): Replace '#:commits' with '#:checkouts'.  Return a
> list instead of returning one element, for symmetry.
> ("fill-db"): Add a new input so that the second checkout can refer to it.
> the arguments of DB-ADD-EVALUATION accordingly.
> ("/api/queue?nr=100"): Take the CAR of the EVALUATIONS-QUERY-RESULT list to
> make it symmetrical with the other argument of HASH-TABLE=?.

Woow!  I really like the result (nice screenshot ;-)).  I took only a
cursory look at the code, but you’re the expert now anyway, so if it
works for you, got for it!  The new ‘Checkouts’ table make sense to me.

> +         (log-message "Evaluation ~a for '~a' completed" eval-id spec-name)

Nitpick: I prefer not to capitalize log messages because these are not
full sentences.  (No big deal though.)

Thank you!


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