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[PATCH v5 14/29] rebase: die on invalid trailer args

From
Li Chen <me@linux.beauty>
Date
Oct 22, 2025, 05:39 UTC
Message-ID
<20251022053951.602605-15-me@linux.beauty>
In-Reply-To
<20251022053951.602605-1-me@linux.beauty>

This can simplify the error handle in validate_trailer_args_after_config and its caller.

Signed-off-by: Li Chen <chenl311@chinatelecom.cn>
---
 builtin/rebase.c | 26 +++++++-------------------
 1 file changed, 7 insertions(+), 19 deletions(-)
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 3ac1eda61b..872945a897 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1124,29 +1124,22 @@ static int check_exec_cmd(const char *cmd)
 	return 0;
 }
 
-static int validate_trailer_args_after_config(const struct strvec *cli_args,
-					      struct strbuf *err)
+static void validate_trailer_args_after_config(const struct strvec *cli_args)
 {
 	for (size_t i = 0; i < cli_args->nr; i++) {
 		const char *txt = cli_args->v[i]; // Key[:=]Val
 		const char *sep;
 
-		if (!*txt) {
-			strbuf_addstr(err, _("empty --trailer argument"));
-			return -1;
-		}
+		if (!*txt)
+			die(_("empty --trailer argument"));
 
 		sep = strpbrk(txt, ":=");
 
 		/* there must be key bfore seperator */
-		if (sep && sep == txt) {
-			strbuf_addf(err,
-				    _("invalid trailer '%s': missing key before separator"),
-				    txt);
-			return -1;
-		}
+		if (sep && sep == txt)
+			die(_("invalid trailer '%s': missing key before separator"),
+			    txt);
 	}
-	return 0;
 }
 
 int cmd_rebase(int argc,
@@ -1353,13 +1346,8 @@ int cmd_rebase(int argc,
 			     builtin_rebase_usage, 0);
 
 	if (options.trailer_args.nr) {
-		struct strbuf err = STRBUF_INIT;
-
-		if (validate_trailer_args_after_config(&options.trailer_args, &err))
-			die("%s", err.buf);
-
+		validate_trailer_args_after_config(&options.trailer_args);
 		options.flags |= REBASE_FORCE;
-		strbuf_release(&err);
 	}
 
 	if (preserve_merges_selected)
-- 
2.51.0
Previous: Li ChenNext: Li Chen
Message 18 of 33 in “rebase: support --trailer”
  1. 00/29 rebase: support --trailerLi Chen, Oct 22, 2025
  2. 01/29 trailer: append trailers in-process and drop the fork to `interpret-trailers`Li Chen, Oct 22, 2025
  3. Phillip WoodOct 23, 2025
  4. Li ChenNov 4, 2025
  5. 02/29 trailer: restore interpret_trailers helperLi Chen, Oct 22, 2025
  6. 03/29 trailer: drop --trailer prefix handling in amend helperLi Chen, Oct 22, 2025
  7. 04/29 trailer: move config_head and arg_head to if storageLi Chen, Oct 22, 2025
  8. 05/29 trailer: use bool for had_trailer_beforeLi Chen, Oct 22, 2025
  9. 06/29 interpret-trailers: buffer stdout outputLi Chen, Oct 22, 2025
  10. 07/29 trailer: mirror interpret-trailers output flowLi Chen, Oct 22, 2025
  11. 08/29 trailer: handle trailer append failures gentlyLi Chen, Oct 22, 2025
  12. 09/29 rebase: support --trailerLi Chen, Oct 22, 2025
  13. Phillip WoodOct 23, 2025
  14. 10/29 rebase: inline trailer state pathsLi Chen, Oct 22, 2025
  15. 11/29 rebase: reuse buffer for trailer argsLi Chen, Oct 22, 2025
  16. 12/29 rebase: drop redundant strbuf_release callLi Chen, Oct 22, 2025
  17. 13/29 rebase: skip stripping of --trailer option prefixLi Chen, Oct 22, 2025
  18. 14/29 rebase: die on invalid trailer argsLi Chen, Oct 22, 2025
  19. 15/29 rebase: validate trailers with configured separatorsLi Chen, Oct 22, 2025
  20. 16/29 sequencer: add trailers to message before writing fileLi Chen, Oct 22, 2025
  21. 17/29 t3440: create expect files at point of useLi Chen, Oct 22, 2025
  22. 18/29 t3440: check apply backend error includes optionLi Chen, Oct 22, 2025
  23. 19/29 t3440: use test_commit_message for trailer checksLi Chen, Oct 22, 2025
  24. 20/29 t3440: drop redundant resets and pass branch to rebase where neededLi Chen, Oct 22, 2025
  25. 21/29 t3440: assert trailer on HEAD after conflict rebaseLi Chen, Oct 22, 2025
  26. 22/29 rebase: persist --trailer options across restartsLi Chen, Oct 22, 2025
  27. 23/29 t3440: remove redundant --keep-emptyLi Chen, Oct 22, 2025
  28. 24/29 t3440: use helper for trailer checksLi Chen, Oct 22, 2025
  29. 25/29 t3440: test --trailer without valuesLi Chen, Oct 22, 2025
  30. 26/29 t3440: convert ex.com to example.comLi Chen, Oct 22, 2025
  31. 27/29 t3440: ensure trailers persist after rebase continueLi Chen, Oct 22, 2025
  32. 28/29 t3440: exercise trailer config mappingLi Chen, Oct 22, 2025
  33. 29/29 sequencer: honor --trailer with fixup -CLi Chen, Oct 22, 2025

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