It is nonsensical (and a little bit dangerous) to use REF_ISPRUNING
without REF_NODEREF. Forbid it explicitly. Change the one REF_ISPRUNING
caller to pass REF_NODEREF too.
Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
---
This also makes later patches a bit clearer.
refs.c | 3 +++
refs/files-backend.c | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/refs.c b/refs.c
index ba14105..5dc2473 100644
--- a/refs.c
+++ b/refs.c
@@ -790,6 +790,9 @@ int ref_transaction_update(struct ref_transaction *transaction,
if (transaction->state != REF_TRANSACTION_OPEN)
die("BUG: update called for transaction that is not open");
+ if ((flags & REF_ISPRUNING) && !(flags & REF_NODEREF))
+ die("BUG: REF_ISPRUNING set without REF_NODEREF");
+
if (new_sha1 && !is_null_sha1(new_sha1) &&
check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) {
strbuf_addf(err, "refusing to update ref with bad name '%s'",
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 9faf17c..8fcbd7d 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2116,7 +2116,7 @@ static void prune_ref(struct ref_to_prune *r)
transaction = ref_transaction_begin(&err);
if (!transaction ||
ref_transaction_delete(transaction, r->name, r->sha1,
- REF_ISPRUNING, NULL, &err) ||
+ REF_ISPRUNING | REF_NODEREF, NULL, &err) ||
ref_transaction_commit(transaction, &err)) {
ref_transaction_free(transaction);
error("%s", err.buf);
--
2.8.1
--
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