This is a single patch that adds two new functions to try to hide the reflog
implementation details from the callers in checkout.c and reflog.c.
It adds new functions to test if a reflog exists and to delete it, thus
allowing checkout.c to perform this if-test-then-delete operation without
having to know the internal implementation of reflogs (i.e. that they are files
that live unde r.git/logs)
It also changes checkout.c to use ref_exists when checking for whether a ref
exists or not instead of checking if the loose ref file exists or not.
Using ref_exists instead both hides the reflog implementation details from
checkout.c as well as making the code more robust against future changes.
It currently has a hard assumption that the loose ref file must exist at this
stage or else it would end up deleting the reflog which is true today, as far
as I can tell, but would break if git would change such that we could have
a branch checked out without having a loose ref file for that branch.
Ronnie Sahlberg (1):
refs.c: add new functions reflog_exists and delete_reflog
builtin/checkout.c | 8 ++------
builtin/reflog.c | 2 +-
refs.c | 20 ++++++++++++++------
refs.h | 6 ++++++
4 files changed, 23 insertions(+), 13 deletions(-)
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