diff mbox series

[v3,04/15] replay: die() instead of failing assert()

Message ID 20230602102533.876905-5-christian.couder@gmail.com (mailing list archive)
State New, archived
Headers show
Series Introduce new `git replay` command | expand

Commit Message

Christian Couder June 2, 2023, 10:25 a.m. UTC 
From: Elijah Newren <newren@gmail.com>

It's not a good idea for regular Git commands to use an assert() to
check for things that could happen but are not supported.

Let's die() with an explanation of the issue instead.

Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 builtin/replay.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
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Patch

diff --git a/builtin/replay.c b/builtin/replay.c
index 7eb05048a5..2537adbaea 100644
--- a/builtin/replay.c
+++ b/builtin/replay.c
@@ -178,7 +178,12 @@  int cmd_replay(int argc, const char **argv, const char *prefix)
 
 		fprintf(stderr, "Rebasing %s...\r",
 			oid_to_hex(&commit->object.oid));
-		assert(commit->parents && !commit->parents->next);
+
+		if (!commit->parents)
+			die(_("replaying down to root commit is not supported yet!"));
+		if (commit->parents->next)
+			die(_("replaying merge commits is not supported yet!"));
+
 		base = commit->parents->item;
 
 		next_tree = repo_get_commit_tree(the_repository, commit);