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refs_ref_iterator_begin(): new function

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Extract a new function from `do_for_each_ref()`. It will be useful
elsewhere.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2017-03-20 17:33:08 +01:00 committed by Junio C Hamano
parent 470be51862
commit e121b9cb5f
2 changed files with 24 additions and 2 deletions
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15
refs.c
View File

@ -1230,6 +1230,18 @@ int head_ref(each_ref_fn fn, void *cb_data)
return head_ref_submodule(NULL, fn, cb_data);
}
struct ref_iterator *refs_ref_iterator_begin(
struct ref_store *refs,
const char *prefix, int trim, int flags)
{
struct ref_iterator *iter;
iter = refs->be->iterator_begin(refs, prefix, flags);
iter = prefix_ref_iterator_begin(iter, prefix, trim);
return iter;
}
/*
* Call fn for each reference in the specified submodule for which the
* refname begins with prefix. If trim is non-zero, then trim that
@ -1247,8 +1259,7 @@ static int do_for_each_ref(struct ref_store *refs, const char *prefix,
if (!refs)
return 0;
iter = refs->be->iterator_begin(refs, prefix, flags);
iter = prefix_ref_iterator_begin(iter, prefix, trim);
iter = refs_ref_iterator_begin(refs, prefix, trim, flags);
return do_for_each_ref_iterator(iter, fn, cb_data);
}

11
refs/refs-internal.h
View File

@ -335,6 +335,17 @@ struct ref_iterator *empty_ref_iterator_begin(void);
*/
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.
*/
struct ref_iterator *refs_ref_iterator_begin(
struct ref_store *refs,
const char *prefix, int trim, int flags);
/*
* A callback function used to instruct merge_ref_iterator how to
* interleave the entries from iter0 and iter1. The function should