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由 David Turner 提交于
Add an err argument to log_ref_setup that can explain the reason for a failure. This then eliminates the need to manage errno through this function since we can just add strerror(errno) to the err string when meaningful. No callers relied on errno from this function for anything else than the error message. Also add err arguments to private functions write_ref_to_lockfile, log_ref_write_1, commit_ref_update. This again eliminates the need to manage errno in these functions. Some error messages are slightly reordered. Update of a patch by Ronnie Sahlberg. Signed-off-by: NRonnie Sahlberg <sahlberg@google.com> Signed-off-by: NDavid Turner <dturner@twopensource.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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