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authorDerrick Stolee <stolee@gmail.com>2026-03-26 15:14:54 +0000
committerJunio C Hamano <gitster@pobox.com>2026-03-26 09:38:07 -0700
commit46d1f4cf4dcb8aaf799f78410af829e149086f36 (patch)
tree9b8cf5d9f86d14c841e374778523167a98328cd0
parent3f20c21a1ceeb796e121147a53ba10d28041b1fe (diff)
downloadgit-46d1f4cf4dcb8aaf799f78410af829e149086f36.tar.xz
t5620: test backfill's unknown argument handling
Before the recent changes to parse rev-list arguments inside of 'git backfill', the builtin would take arbitrary arguments without complaint (and ignore them). This was noticed and a patch was sent [1] which motivates this change. [1] https://lore.kernel.org/git/20260321031643.5185-1-r.siddharth.shrimali@gmail.com/ Note that the revision machinery can output an "ambiguous argument" warning if a value not starting with '--' is found and doesn't make sense as a reference or a pathspec. For unrecognized arguments starting with '--' we need to add logic into builtin/backfill.c to catch leftover arguments. Reported-by: Siddharth Shrimali <r.siddharth.shrimali@gmail.com> Signed-off-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--builtin/backfill.c3
-rwxr-xr-xt/t5620-backfill.sh8
2 files changed, 11 insertions, 0 deletions
diff --git a/builtin/backfill.c b/builtin/backfill.c
index b98b0b591f..2c5ce56fb7 100644
--- a/builtin/backfill.c
+++ b/builtin/backfill.c
@@ -142,6 +142,9 @@ int cmd_backfill(int argc, const char **argv, const char *prefix, struct reposit
repo_init_revisions(repo, &ctx.revs, prefix);
argc = setup_revisions(argc, argv, &ctx.revs, NULL);
+ if (argc > 1)
+ die(_("unrecognized argument: %s"), argv[1]);
+
repo_config(repo, git_default_config, NULL);
if (ctx.sparse < 0)
diff --git a/t/t5620-backfill.sh b/t/t5620-backfill.sh
index c6f54ee91c..2c347a91fe 100755
--- a/t/t5620-backfill.sh
+++ b/t/t5620-backfill.sh
@@ -7,6 +7,14 @@ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
+test_expect_success 'backfill rejects unexpected arguments' '
+ test_must_fail git backfill unexpected-arg 2>err &&
+ test_grep "ambiguous argument .*unexpected-arg" err &&
+
+ test_must_fail git backfill --all --unexpected-arg --first-parent 2>err &&
+ test_grep "unrecognized argument: --unexpected-arg" err
+'
+
# We create objects in the 'src' repo.
test_expect_success 'setup repo for object creation' '
echo "{print \$1}" >print_1.awk &&