The goal is to make it easier to find the origin of a build failure.
* src/cuirass/templates.scm (build-details): Add #:channels,
#:checkouts, #:previous-checkouts, and #:first-failure.
[build-failure-info]: New procedure.
Use it.
(checkout-change-table): New procedure.
* src/cuirass/http.scm (url-handler): In “/build/ID/details”, pass extra
arguments to ‘build-details’.
* TODO: Update.