From: Ronnie Sahlberg sahlb...@google.com
Date: Mon, 19 May 2014 10:42:34 -0700
Add an err argument to _begin so that on non-fatal failures in future ref
backends we can report a nice error back to the caller.
While _begin can currently never fail for other reasons than OOM, in which
case we die() anyway, we may add other types of backends in the future.
For example, a hypothetical MySQL backend could fail in _begin with
Can not connect to MySQL server. No route to host.
Signed-off-by: Ronnie Sahlberg sahlb...@google.com
Signed-off-by: Jonathan Nieder jrnie...@gmail.com
---
builtin/update-ref.c | 5 -
refs.c | 2 +-
refs.h | 2 +-
3 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 7c9c248..96a53b9 100644
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -365,7 +365,9 @@ int cmd_update_ref(int argc, const char **argv, const char
*prefix)
die(Refusing to perform update with empty message.);
if (read_stdin) {
- transaction = ref_transaction_begin();
+ transaction = ref_transaction_begin(err);
+ if (!transaction)
+ die(%s, err.buf);
if (delete || no_deref || argc 0)
usage_with_options(git_update_ref_usage, options);
if (end_null)
@@ -374,6 +376,7 @@ int cmd_update_ref(int argc, const char **argv, const char
*prefix)
if (ref_transaction_commit(transaction, msg, err))
die(%s, err.buf);
ref_transaction_free(transaction);
+ strbuf_release(err);
return 0;
}
diff --git a/refs.c b/refs.c
index 40f04f4..9cb7908 100644
--- a/refs.c
+++ b/refs.c
@@ -3397,7 +3397,7 @@ struct ref_transaction {
size_t nr;
};
-struct ref_transaction *ref_transaction_begin(void)
+struct ref_transaction *ref_transaction_begin(struct strbuf *err)
{
return xcalloc(1, sizeof(struct ref_transaction));
}
diff --git a/refs.h b/refs.h
index 71389a1..3f37c65 100644
--- a/refs.h
+++ b/refs.h
@@ -262,7 +262,7 @@ enum action_on_err {
* Begin a reference transaction. The reference transaction must
* be freed by calling ref_transaction_free().
*/
-struct ref_transaction *ref_transaction_begin(void);
+struct ref_transaction *ref_transaction_begin(struct strbuf *err);
/*
* The following functions add a reference check or update to a
--
2.1.0.rc2.206.gedb03e5
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