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etc: committer: Amend previous commit if a copyright line was added.

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Previously, the script would raise an error if a copyright line was added to a
file in gnu/packages/.  With this change, it will amend the previous commit
whenever a copyright line is added, and add the copyright line to the commit.

* etc/committer.scm.in (add-copyright-line): New procedure.
(main): Check if a copyright line was added and call ‘add-copyright-line’ if
necessary.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Xinglu Chen 2021-09-08 15:45:39 +02:00 committed by Ludovic Courtès
parent dbf758ac5e
commit 3d15a19874
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GPG key ID: 090B11993D9AEBB5
1 changed files with 22 additions and 4 deletions
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26
etc/committer.scm.in
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@ -5,6 +5,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020, 2021 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;;
;;; This file is part of GNU Guix.
;;;
@ -288,6 +289,15 @@ (define (changelog-has-location? changelog)
(break-string-with-newlines message/f 72)
(break-string-with-newlines changelog/f 72))))
(define (add-copyright-line line)
"Add the copyright line on LINE to the previous commit."
(let ((author (match:substring
(string-match "^\\+;;; Copyright ©[^[:alpha:]]+(.*)$" line)
1)))
(format
(current-output-port) "Amend and add copyright line for ~a~%" author)
(system* "git" "commit" "--amend" "--no-edit")))
(define (group-hunks-by-sexp hunks)
"Return a list of pairs associating all hunks with the S-expression they are
modifying."
@ -370,15 +380,23 @@ (define* (change-commit-message* file-name old new #:rest rest)
(error "Cannot apply")))
(usleep %delay))
hunks)
(change-commit-message* (hunk-file-name (first hunks))
old new)
(let ((port (open-pipe* OPEN_WRITE "git" "commit" "-F" "-")))
(define copyright-line
(any (lambda (line) (and=> (string-prefix? "+;;; Copyright ©" line)
(const line)))
(hunk-diff-lines (first hunks))))
(cond
(copyright-line
(add-copyright-line copyright-line))
(else
(let ((port (open-pipe* OPEN_WRITE "git" "commit" "-F" "-")))
(change-commit-message* (hunk-file-name (first hunks))
old new)
(change-commit-message* (hunk-file-name (first hunks))
old new
port)
(usleep %delay)
(unless (eqv? 0 (status:exit-val (close-pipe port)))
(error "Cannot commit")))))
(error "Cannot commit")))))))
;; XXX: we recompute the hunks here because previous
;; insertions lead to offsets.
(new+old+hunks (diff-info)))))))