[PATCH v13 05/41] refs.c: add a strbuf argument to ref_transaction_commit for error logging
From: Ronnie Sahlberg <hidden>
Date: 2016-06-15 23:01:27
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add a strbuf argument to _commit so that we can pass an error string back to the caller. So that we can do error logging from the caller instead of from _commit. Longer term plan is to first convert all callers to use onerr==QUIET_ON_ERR and craft any log messages from the callers themselves and finally remove the onerr argument completely. Reviewed-by: Jonathan Nieder <redacted> Signed-off-by: Ronnie Sahlberg <redacted> --- builtin/update-ref.c | 2 +- refs.c | 6 +++++- refs.h | 5 ++++- 3 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 1fd7a89..22617af 100644
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c@@ -367,7 +367,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) if (end_null) line_termination = '\0'; update_refs_stdin(); - ret = ref_transaction_commit(transaction, msg, + ret = ref_transaction_commit(transaction, msg, NULL, UPDATE_REFS_DIE_ON_ERR); ref_transaction_free(transaction); return ret;
diff --git a/refs.c b/refs.c
index 0faed29..25c3a93 100644
--- a/refs.c
+++ b/refs.c@@ -3418,7 +3418,8 @@ static int ref_update_reject_duplicates(struct ref_update **updates, int n, } int ref_transaction_commit(struct ref_transaction *transaction, - const char *msg, enum action_on_err onerr) + const char *msg, struct strbuf *err, + enum action_on_err onerr) { int ret = 0, delnum = 0, i; const char **delnames;
@@ -3447,6 +3448,9 @@ int ref_transaction_commit(struct ref_transaction *transaction, update->flags, &update->type, onerr); if (!update->lock) { + if (err) + strbuf_addf(err, "Cannot lock the ref '%s'.", + update->refname); ret = 1; goto cleanup; }
diff --git a/refs.h b/refs.h
index b893838..94d4cd4 100644
--- a/refs.h
+++ b/refs.h@@ -266,9 +266,12 @@ void ref_transaction_delete(struct ref_transaction *transaction, * Commit all of the changes that have been queued in transaction, as * atomically as possible. Return a nonzero value if there is a * problem. + * If err is non-NULL we will add an error string to it to explain why + * the transaction failed. The string does not end in newline. */ int ref_transaction_commit(struct ref_transaction *transaction, - const char *msg, enum action_on_err onerr); + const char *msg, struct strbuf *err, + enum action_on_err onerr); /* * Free an existing transaction and all associated data.
--
2.0.0.567.g64a7adf