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authorLudovic Courtès <ludo@gnu.org>2020-05-20 22:15:54 +0200
committerLudovic Courtès <ludo@gnu.org>2020-05-25 00:00:28 +0200
commit872898f768ae6d3b41eb93c5e183624bd1d157ff (patch)
treed88d5ff215bedffeba951ddf35b8cc0e4489a253 /gnu/tests/desktop.scm
parent8d1d56578aa95118650ed2197bfb7fac40f4218a (diff)
downloadguix-872898f768ae6d3b41eb93c5e183624bd1d157ff.tar.gz
channels: 'latest-channel-instances' guards against non-forward updates.
* guix/channels.scm (latest-channel-instance): Add #:starting-commit and
pass it to 'update-cached-checkout'.  Return the commit relation as a
second value.
(ensure-forward-channel-update): New procedure.
(latest-channel-instances): Add #:current-channels and #:validate-pull.
[current-commit]: New procedure.
Pass #:starting-commit to 'latest-channel-instance'.  When the returned
relation is true, call VALIDATE-PULL.
(latest-channel-derivation): Add #:current-channels and #:validate-pull.
Pass them to 'latest-channel-instances*'.
* tests/channels.scm ("latest-channel-instances #:validate-pull"): New
test.
Diffstat (limited to 'gnu/tests/desktop.scm')
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