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-rw-r--r--tests/git.scm52
1 files changed, 51 insertions, 1 deletions
diff --git a/tests/git.scm b/tests/git.scm
index d0646bbc85..ca59d2a33e 100644
--- a/tests/git.scm
+++ b/tests/git.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2019, 2020, 2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz
;;;
;;; This file is part of GNU Guix.
@@ -163,6 +163,56 @@
(commit-relation merge master1))))))
(unless (which (git-command)) (test-skip 1))
+(test-equal "commit-descendant?"
+ '((master3 master3 => #t)
+ (master1 master3 => #f)
+ (master3 master1 => #t)
+ (master2 branch1 => #f)
+ (master2 branch1 master1 => #t)
+ (branch1 master2 => #f)
+ (branch1 merge => #f)
+ (merge branch1 => #t)
+ (master1 merge => #f)
+ (merge master1 => #t))
+ (with-temporary-git-repository directory
+ '((add "a.txt" "A")
+ (commit "first commit")
+ (branch "hack")
+ (checkout "hack")
+ (add "1.txt" "1")
+ (commit "branch commit")
+ (checkout "master")
+ (add "b.txt" "B")
+ (commit "second commit")
+ (add "c.txt" "C")
+ (commit "third commit")
+ (merge "hack" "merge"))
+ (with-repository directory repository
+ (let ((master1 (find-commit repository "first"))
+ (master2 (find-commit repository "second"))
+ (master3 (find-commit repository "third"))
+ (branch1 (find-commit repository "branch"))
+ (merge (find-commit repository "merge")))
+ (letrec-syntax ((verify
+ (syntax-rules ()
+ ((_) '())
+ ((_ (new old ...) rest ...)
+ (cons `(new old ... =>
+ ,(commit-descendant? new
+ (list old ...)))
+ (verify rest ...))))))
+ (verify (master3 master3)
+ (master1 master3)
+ (master3 master1)
+ (master2 branch1)
+ (master2 branch1 master1)
+ (branch1 master2)
+ (branch1 merge)
+ (merge branch1)
+ (master1 merge)
+ (merge master1)))))))
+
+(unless (which (git-command)) (test-skip 1))
(test-equal "remote-refs"
'("refs/heads/develop" "refs/heads/master"
"refs/tags/v1.0" "refs/tags/v1.1")