[PATCH v13 07/41] refs.c: make ref_update_reject_duplicates take a strbuf argument for errors
From: Ronnie Sahlberg <hidden>
Date: 2016-06-15 23:01:28
Subsystem:
the rest · Maintainer:
Linus Torvalds
Make ref_update_reject_duplicates return any error that occurs through a new strbuf argument. This means that when a transaction commit fails in this function we will now be able to pass a helpful error message back to the caller. Reviewed-by: Jonathan Nieder <redacted> Signed-off-by: Ronnie Sahlberg <redacted> --- refs.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/refs.c b/refs.c
index 7ec1f32..2d6941b 100644
--- a/refs.c
+++ b/refs.c@@ -3456,6 +3456,7 @@ static int ref_update_compare(const void *r1, const void *r2) } static int ref_update_reject_duplicates(struct ref_update **updates, int n, + struct strbuf *err, enum action_on_err onerr) { int i;
@@ -3463,6 +3464,9 @@ static int ref_update_reject_duplicates(struct ref_update **updates, int n, if (!strcmp(updates[i - 1]->refname, updates[i]->refname)) { const char *str = "Multiple updates for ref '%s' not allowed."; + if (err) + strbuf_addf(err, str, updates[i]->refname); + switch (onerr) { case UPDATE_REFS_MSG_ON_ERR: error(str, updates[i]->refname); break;
@@ -3493,7 +3497,7 @@ int ref_transaction_commit(struct ref_transaction *transaction, /* Copy, sort, and reject duplicate refs */ qsort(updates, n, sizeof(*updates), ref_update_compare); - ret = ref_update_reject_duplicates(updates, n, onerr); + ret = ref_update_reject_duplicates(updates, n, err, onerr); if (ret) goto cleanup;
--
2.0.0.567.g64a7adf