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-rwxr-xr-xetc/committer.scm.in113
1 files changed, 80 insertions, 33 deletions
diff --git a/etc/committer.scm.in b/etc/committer.scm.in
index ebe6b96bcc..824483e088 100755
--- a/etc/committer.scm.in
+++ b/etc/committer.scm.in
@@ -3,7 +3,7 @@
!#
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2020 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2020, 2021 Ricardo Wurmus <rekado@elephly.net>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -28,7 +28,10 @@
(import (sxml xpath)
(srfi srfi-1)
+ (srfi srfi-2)
(srfi srfi-9)
+ (srfi srfi-11)
+ (srfi srfi-26)
(ice-9 format)
(ice-9 popen)
(ice-9 match)
@@ -63,7 +66,8 @@ LINE-NO in PORT."
(make-hunk file-name
old-line-number
new-line-number
- diff)
+ diff-lines
+ definition?)
hunk?
(file-name hunk-file-name)
;; Line number before the change
@@ -71,14 +75,16 @@ LINE-NO in PORT."
;; Line number after the change
(new-line-number hunk-new-line-number)
;; The full diff to be used with "git apply --cached"
- (diff hunk-diff))
+ (diff-lines hunk-diff-lines)
+ ;; Does this hunk add a definition?
+ (definition? hunk-definition?))
(define* (hunk->patch hunk #:optional (port (current-output-port)))
(let ((file-name (hunk-file-name hunk)))
(format port
"diff --git a/~a b/~a~%--- a/~a~%+++ b/~a~%~a"
file-name file-name file-name file-name
- (hunk-diff hunk))))
+ (string-join (hunk-diff-lines hunk) ""))))
(define (diff-info)
"Read the diff and return a list of <hunk> values."
@@ -88,21 +94,26 @@ LINE-NO in PORT."
;; Do not include any context lines. This makes it
;; easier to find the S-expression surrounding the
;; change.
- "--unified=0")))
+ "--unified=0"
+ "gnu")))
(define (extract-line-number line-tag)
(abs (string->number
(car (string-split line-tag #\,)))))
(define (read-hunk)
- (reverse
- (let loop ((lines '()))
- (let ((line (read-line port 'concat)))
- (cond
- ((eof-object? line) lines)
- ((or (string-prefix? "@@ " line)
- (string-prefix? "diff --git" line))
- (unget-string port line)
- lines)
- (else (loop (cons line lines))))))))
+ (let loop ((lines '())
+ (definition? #false))
+ (let ((line (read-line port 'concat)))
+ (cond
+ ((eof-object? line)
+ (values (reverse lines) definition?))
+ ((or (string-prefix? "@@ " line)
+ (string-prefix? "diff --git" line))
+ (unget-string port line)
+ (values (reverse lines) definition?))
+ (else
+ (loop (cons line lines)
+ (or definition?
+ (string-prefix? "+(define" line))))))))
(define info
(let loop ((acc '())
(file-name #f))
@@ -116,13 +127,14 @@ LINE-NO in PORT."
((string-prefix? "@@ " line)
(match (string-split line #\space)
((_ old-start new-start . _)
- (loop (cons (make-hunk file-name
- (extract-line-number old-start)
- (extract-line-number new-start)
- (string-join (cons* line "\n"
- (read-hunk)) ""))
- acc)
- file-name))))
+ (let-values
+ (((diff-lines definition?) (read-hunk)))
+ (loop (cons (make-hunk file-name
+ (extract-line-number old-start)
+ (extract-line-number new-start)
+ (cons* line "\n" diff-lines)
+ definition?) acc)
+ file-name)))))
(else (loop acc file-name))))))
(close-pipe port)
info))
@@ -148,7 +160,7 @@ corresponding to the top-level definition containing the staged changes."
(surrounding-sexp port
(hunk-new-line-number hunk)))))
-(define* (commit-message file-name old new #:optional (port (current-output-port)))
+(define* (change-commit-message file-name old new #:optional (port (current-output-port)))
"Print ChangeLog commit message for changes between OLD and NEW."
(define (get-values expr field)
(match ((sxpath `(// ,field quasiquote *)) expr)
@@ -193,6 +205,12 @@ corresponding to the top-level definition containing the staged changes."
(listify added)))))))))
'(inputs propagated-inputs native-inputs)))
+(define* (add-commit-message file-name variable-name #:optional (port (current-output-port)))
+ "Print ChangeLog commit message for a change to FILE-NAME adding a definition."
+ (format port
+ "gnu: Add ~a.~%~%* ~a (~a): New variable.~%"
+ variable-name file-name variable-name))
+
(define (group-hunks-by-sexp hunks)
"Return a list of pairs associating all hunks with the S-expression they are
modifying."
@@ -223,9 +241,38 @@ modifying."
(()
(display "Nothing to be done." (current-error-port)))
(hunks
- (for-each (match-lambda
- ((new old . hunks)
- (for-each (lambda (hunk)
+ (let-values
+ (((definitions changes)
+ (partition hunk-definition? hunks)))
+
+ ;; Additions.
+ (for-each (lambda (hunk)
+ (and-let*
+ ((define-line (find (cut string-prefix? "+(define" <>)
+ (hunk-diff-lines hunk)))
+ (variable-name (and=> (string-tokenize define-line) second)))
+ (add-commit-message (hunk-file-name hunk) variable-name)
+ (let ((port (open-pipe* OPEN_WRITE
+ "git" "apply"
+ "--cached"
+ "--unidiff-zero")))
+ (hunk->patch hunk port)
+ (unless (eqv? 0 (status:exit-val (close-pipe port)))
+ (error "Cannot apply")))
+
+ (let ((port (open-pipe* OPEN_WRITE "git" "commit" "-F" "-")))
+ (add-commit-message (hunk-file-name hunk)
+ variable-name port)
+ (sleep 1)
+ (unless (eqv? 0 (status:exit-val (close-pipe port)))
+ (error "Cannot commit"))))
+ (sleep 1))
+ definitions)
+
+ ;; Changes.
+ (for-each (match-lambda
+ ((new old . hunks)
+ (for-each (lambda (hunk)
(let ((port (open-pipe* OPEN_WRITE
"git" "apply"
"--cached"
@@ -235,16 +282,16 @@ modifying."
(error "Cannot apply")))
(sleep 1))
hunks)
- (commit-message (hunk-file-name (first hunks))
- old new
- (current-output-port))
+ (change-commit-message (hunk-file-name (first hunks))
+ old new
+ (current-output-port))
(let ((port (open-pipe* OPEN_WRITE "git" "commit" "-F" "-")))
- (commit-message (hunk-file-name (first hunks))
- old new
- port)
+ (change-commit-message (hunk-file-name (first hunks))
+ old new
+ port)
(sleep 1)
(unless (eqv? 0 (status:exit-val (close-pipe port)))
(error "Cannot commit")))))
- (new+old+hunks hunks)))))
+ (new+old+hunks changes))))))
(main)