This patch series can also be found at https://github.com/rsahlberg/git/tree/ref-transactions This patch series is based on current master and expands on the transaction API. It converts all ref updates, inside refs.c as well as external, to use the transaction API for updates. This makes most of the ref updates to become atomic when there are failures locking or writing to a ref. This version completes the work to convert all ref updates to use transactions. Now that all updates are through transactions I will start working on cleaning up the reading of refs and to create an api for managing reflogs but all that will go in a different patch series. Version 20: - Whitespace and style changes suggested by Jun. Ronnie Sahlberg (48): refs.c: remove ref_transaction_rollback refs.c: ref_transaction_commit should not free the transaction refs.c: constify the sha arguments for ref_transaction_create|delete|update refs.c: allow passing NULL to ref_transaction_free refs.c: add a strbuf argument to ref_transaction_commit for error logging lockfile.c: add a new public function unable_to_lock_message lockfile.c: make lock_file return a meaningful errno on failurei refs.c: add an err argument to repack_without_refs refs.c: make sure log_ref_setup returns a meaningful errno refs.c: verify_lock should set errno to something meaningful refs.c: make remove_empty_directories always set errno to something sane refs.c: commit_packed_refs to return a meaningful errno on failure refs.c: make resolve_ref_unsafe set errno to something meaningful on error refs.c: log_ref_write should try to return meaningful errno refs.c: make ref_update_reject_duplicates take a strbuf argument for errors refs.c: make update_ref_write update a strbuf on failure update-ref: use err argument to get error from ref_transaction_commit refs.c: remove the onerr argument to ref_transaction_commit refs.c: change ref_transaction_update() to do error checking and return status refs.c: change ref_transaction_create to do error checking and return status refs.c: update ref_transaction_delete to check for error and return status refs.c: make ref_transaction_begin take an err argument refs.c: add transaction.status and track OPEN/CLOSED/ERROR tag.c: use ref transactions when doing updates replace.c: use the ref transaction functions for updates commit.c: use ref transactions for updates sequencer.c: use ref transactions for all ref updates fast-import.c: change update_branch to use ref transactions branch.c: use ref transaction for all ref updates refs.c: change update_ref to use a transaction receive-pack.c: use a reference transaction for updating the refs fast-import.c: use a ref transaction when dumping tags walker.c: use ref transaction for ref updates refs.c: make lock_ref_sha1 static refs.c: remove the update_ref_lock function refs.c: remove the update_ref_write function refs.c: remove lock_ref_sha1 refs.c: make prune_ref use a transaction to delete the ref refs.c: make delete_ref use a transaction refs.c: add an err argument to delete_ref_loose refs.c: pass the ref log message to _create/delete/update instead of _commit refs.c: pass NULL as *flags to read_ref_full refs.c: move the check for valid refname to lock_ref_sha1_basic refs.c: call lock_ref_sha1_basic directly from commit refs.c: pass a skip list to name_conflict_fn refs.c: propagate any errno==ENOTDIR from _commit back to the callers fetch.c: change s_update_ref to use a ref transaction refs.c: make write_ref_sha1 static branch.c | 30 +-- builtin/commit.c | 24 ++- builtin/fetch.c | 36 ++-- builtin/receive-pack.c | 97 ++++++---- builtin/remote.c | 5 +- builtin/replace.c | 15 +- builtin/tag.c | 15 +- builtin/update-ref.c | 34 ++-- cache.h | 4 +- fast-import.c | 53 ++++-- lockfile.c | 39 ++-- refs.c | 506 ++++++++++++++++++++++++++++++++----------------- refs.h | 131 +++++++++---- sequencer.c | 24 ++- walker.c | 58 +++--- wrapper.c | 14 +- 16 files changed, 710 insertions(+), 375 deletions(-) -- 2.0.0.420.g181e020.dirty -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html