Change ref_transaction_delete() to do basic error checking and return
status. Update all callers to check the return for ref_transaction_delete()
There are currently no conditions in _delete that will return error but there
will be in the future.
Signed-off-by: Ronnie Sahlberg sahlb...@google.com
---
builtin/update-ref.c | 5 +++--
refs.c | 15 ++-
refs.h | 8
3 files changed, 17 insertions(+), 11 deletions(-)
diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 3fab810..fc3512f 100644
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -257,8 +257,9 @@ static const char *parse_cmd_delete(struct strbuf *input,
const char *next)
if (*next != line_termination)
die(delete %s: extra input: %s, refname, next);
- ref_transaction_delete(transaction, refname, old_sha1,
- update_flags, have_old);
+ if (ref_transaction_delete(transaction, refname, old_sha1,
+ update_flags, have_old))
+ die(failed transaction delete for %s, refname);
update_flags = 0;
free(refname);
diff --git a/refs.c b/refs.c
index 27db737..0a4e28e 100644
--- a/refs.c
+++ b/refs.c
@@ -3372,19 +3372,24 @@ int ref_transaction_create(struct ref_transaction
*transaction,
return 0;
}
-void ref_transaction_delete(struct ref_transaction *transaction,
- const char *refname,
- const unsigned char *old_sha1,
- int flags, int have_old)
+int ref_transaction_delete(struct ref_transaction *transaction,
+ const char *refname,
+ const unsigned char *old_sha1,
+ int flags, int have_old)
{
- struct ref_update *update = add_update(transaction, refname);
+ struct ref_update *update;
+ if (have_old !old_sha1)
+ die(have_old is true but old_sha1 is NULL);
+
+ update = add_update(transaction, refname);
update-flags = flags;
update-have_old = have_old;
if (have_old) {
assert(!is_null_sha1(old_sha1));
hashcpy(update-old_sha1, old_sha1);
}
+ return 0;
}
int update_ref(const char *action, const char *refname,
diff --git a/refs.h b/refs.h
index 01d773c..5eb500e 100644
--- a/refs.h
+++ b/refs.h
@@ -259,10 +259,10 @@ int ref_transaction_create(struct ref_transaction
*transaction,
* old_sha1 holds the value that the reference should have had before
* the update (which must not be the null SHA-1).
*/
-void ref_transaction_delete(struct ref_transaction *transaction,
- const char *refname,
- const unsigned char *old_sha1,
- int flags, int have_old);
+int ref_transaction_delete(struct ref_transaction *transaction,
+ const char *refname,
+ const unsigned char *old_sha1,
+ int flags, int have_old);
/*
* Commit all of the changes that have been queued in transaction, as
--
2.0.0.rc1.351.g4d2c8e4
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