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| author | Maxim Cournoyer <maxim.cournoyer@gmail.com> | 2023-09-05 17:04:12 -0400 |
|---|---|---|
| committer | Maxim Cournoyer <maxim.cournoyer@gmail.com> | 2023-09-05 19:52:20 -0400 |
| commit | c3d48d024b95f57850ec429d7f326d817dda5090 (patch) | |
| tree | 6820b0770f03d69bf2ed406fa6823ae8a4fbe3ec /guix/scripts/time-machine.scm | |
| parent | 756e336fa008c2469b4a7317ad5c641ed48f25d6 (diff) | |
time-machine: Also validate the reference from a channels file.
* guix/scripts/time-machine.scm (guix-time-machine)
<validate-guix-channel>: Update doc. Fall-back to use the Guix channel
reference when REF is #f.
Reported-by: Simon Tournier <zimon.toutoune@gmail.com>
Co-authored-by: Simon Tournier <zimon.toutoune@gmail.com>
Diffstat (limited to 'guix/scripts/time-machine.scm')
| -rw-r--r-- | guix/scripts/time-machine.scm | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/guix/scripts/time-machine.scm b/guix/scripts/time-machine.scm index 87000d82ec..3ecf735acb 100644 --- a/guix/scripts/time-machine.scm +++ b/guix/scripts/time-machine.scm @@ -164,13 +164,20 @@ Execute COMMAND ARGS... in an older version of Guix.\n")) (define (validate-guix-channel channels) "Finds the Guix channel among CHANNELS, and validates that REF as captured from the closure, a git reference specification such as a commit hash -or tag associated to CHANNEL, is valid and new enough to satisfy the 'guix -time-machine' requirements. A `formatted-message' condition is raised -otherwise." +or tag associated to the channel, is valid and new enough to satisfy the 'guix +time-machine' requirements. If the captured REF variable is #f, the reference +validate is the one of the Guix channel found in CHANNELS. A +`formatted-message' condition is raised otherwise." (let* ((guix-channel (find guix-channel? channels)) + (guix-channel-commit (channel-commit guix-channel)) + (guix-channel-branch (channel-branch guix-channel)) + (guix-channel-ref (if guix-channel-commit + `(tag-or-commit . ,guix-channel-commit) + `(branch . ,guix-channel-branch))) + (reference (or ref guix-channel-ref)) (checkout commit relation (update-cached-checkout (channel-url guix-channel) - #:ref (or ref '()) + #:ref reference #:starting-commit %oldest-possible-commit))) (unless (memq relation '(ancestor self)) |