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| author |  Han-Wen Nienhuys <hanwen@google.com> | 2020-05-20 17:36:09 +0000 |
|---|---|---|
| committer |  Junio C Hamano <gitster@pobox.com> | 2020-05-20 10:39:02 -0700 |
| commit | 84ee4ca10d7f598542eb2c1ea2cdf6199f9bdee1 (patch) | |
| tree | dca44df73e73aa8c31e418b6444e9fa98730fe8f /refs | |
| parent | t: use update-ref and show-ref to reading/writing refs (diff) | |
| download | tgif-84ee4ca10d7f598542eb2c1ea2cdf6199f9bdee1.tar.xz | |
refs: improve documentation for ref iterator
Document some of the flag options in refs_ref_iterator_begin, and explain how
ref_iterator_advance_fn should handle them.
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'refs')
| -rw-r--r-- | refs/refs-internal.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/refs/refs-internal.h b/refs/refs-internal.h index ff2436c0fb..4271362d26 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -347,9 +347,13 @@ int is_empty_ref_iterator(struct ref_iterator *ref_iterator); /* * Return an iterator that goes over each reference in `refs` for * which the refname begins with prefix. If trim is non-zero, then - * trim that many characters off the beginning of each refname. flags - * can be DO_FOR_EACH_INCLUDE_BROKEN to include broken references in - * the iteration. The output is ordered by refname. + * trim that many characters off the beginning of each refname. + * The output is ordered by refname. The following flags are supported: + * + * DO_FOR_EACH_INCLUDE_BROKEN: include broken references in + * the iteration. + * + * DO_FOR_EACH_PER_WORKTREE_ONLY: only produce REF_TYPE_PER_WORKTREE refs. */ struct ref_iterator *refs_ref_iterator_begin( struct ref_store *refs, @@ -438,6 +442,14 @@ void base_ref_iterator_free(struct ref_iterator *iter); /* Virtual function declarations for ref_iterators: */ +/* + * backend-specific implementation of ref_iterator_advance. For symrefs, the + * function should set REF_ISSYMREF, and it should also dereference the symref + * to provide the OID referent. If DO_FOR_EACH_INCLUDE_BROKEN is set, symrefs + * with non-existent referents and refs pointing to non-existent object names + * should also be returned. If DO_FOR_EACH_PER_WORKTREE_ONLY, only + * REF_TYPE_PER_WORKTREE refs should be returned. + */ typedef int ref_iterator_advance_fn(struct ref_iterator *ref_iterator); typedef int ref_iterator_peel_fn(struct ref_iterator *ref_iterator, |