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feat(tvl.el): Add magit-gerrit-checkout command

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Add a new magit-gerrit-checkout command, which prompts for a CL number
then fetches and checks out the latest patchset of that CL with a
detached HEAD.

Change-Id: I88b8209d40017479d97ed40ecbd5fd1ccd7cf650
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3880
Reviewed-by: grfn <grfn@gws.fyi>
Reviewed-by: Profpatsch <mail@profpatsch.de>
Tested-by: BuildkiteCI
This commit is contained in:
Griffin Smith 2021-11-15 10:29:07 -05:00 committed by grfn
parent 3e256b4947
commit 023d6d6a0d
1 changed files with 57 additions and 1 deletions
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58
tools/emacs-pkgs/tvl/tvl.el
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@ -5,7 +5,7 @@
;;
;; Author: Griffin Smith <grfn@gws.fyi>
;; Version: 0.0.1
;; Package-Requires: (s magit)
;; Package-Requires: (s dash magit)
;;
;; This file is not part of GNU Emacs.
;;
@ -90,6 +90,62 @@ rubberstamp operation is dangerous and should only be used in
#'magit-push ["r"]
(list "P" "push & rubberstamp to Gerrit" #'magit-gerrit-rubberstamp))
(defvar magit-cl-history nil)
(defun magit-read-cl (remote)
(let* ((refs (prog2 (message "Determining available refs...")
(magit-remote-list-refs remote)
(message "Determining available refs...done")))
(change-refs (-filter
(apply-partially #'string-prefix-p "refs/changes/")
refs))
(cl-number-to-refs
(-group-by
(lambda (change-ref)
;; refs/changes/34/1234/1
;; ^ ^ ^ ^ ^
;; 1 2 3 4 5
;; ^-- this one
(fourth
(split-string change-ref (rx "/"))))
change-refs))
(cl-numbers
(-map
(lambda (cl-to-refs)
(let ((latest-patchset-ref
(-max-by
(-on #'> (lambda (ref)
(string-to-number
(fifth (split-string ref (rx "/"))))))
(-remove
(apply-partially #'s-ends-with-p "meta")
(cdr cl-to-refs)))))
(propertize (car cl-to-refs) 'ref latest-patchset-ref)))
cl-number-to-refs)))
(get-text-property
0
'ref
(magit-completing-read
"Checkout CL" cl-numbers nil t nil 'magit-cl-history))))
(transient-define-suffix magit-gerrit-checkout (remote cl-refspec)
"Prompt for a CL number and checkout the latest patchset of that CL with
detached HEAD"
(interactive
(let* ((remote tvl-gerrit-remote)
(cl (magit-read-cl remote)))
(list remote cl)))
(magit-fetch-refspec remote cl-refspec (magit-fetch-arguments))
;; That runs async, so wait for it to finish (this is how magit does it)
(while (and magit-this-process
(eq (process-status magit-this-process) 'run))
(sleep-for 0.005))
(magit-checkout "FETCH_HEAD" (magit-branch-arguments))
(message "HEAD detached at %s" cl-refspec))
(transient-append-suffix
#'magit-branch ["l"]
(list "g" "gerrit CL" #'magit-gerrit-checkout))
(defun tvl-depot-status ()
"Open the TVL monorepo in magit."
(interactive)