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remote: refactor some logic into get_stale_heads() 

Move the logic in builtin-remote.c which determines which local heads are stale
to remote.c so it can be used by other builtins.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jay Soffian 2009-11-10 00:03:31 -05:00 committed by Junio C Hamano
parent e2d41c64bf
commit f2ef6075c9
3 changed files with 51 additions and 24 deletions
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32
builtin-remote.c
View File

@ -227,32 +227,10 @@ struct ref_states {
int queried;
};
static int handle_one_branch(const char *refname,
const unsigned char *sha1, int flags, void *cb_data)
{
struct ref_states *states = cb_data;
struct refspec refspec;
memset(&refspec, 0, sizeof(refspec));
refspec.dst = (char *)refname;
if (!remote_find_tracking(states->remote, &refspec)) {
struct string_list_item *item;
const char *name = abbrev_branch(refspec.src);
/* symbolic refs pointing nowhere were handled already */
if ((flags & REF_ISSYMREF) ||
string_list_has_string(&states->tracked, name) ||
string_list_has_string(&states->new, name))
return 0;
item = string_list_append(name, &states->stale);
item->util = xstrdup(refname);
}
return 0;
}
static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
{
struct ref *fetch_map = NULL, **tail = &fetch_map;
struct ref *ref;
struct ref *ref, *stale_refs;
int i;
for (i = 0; i < states->remote->fetch_refspec_nr; i++)
@ -268,11 +246,17 @@ static int get_ref_states(const struct ref *remote_refs, struct ref_states *stat
else
string_list_append(abbrev_branch(ref->name), &states->tracked);
}
stale_refs = get_stale_heads(states->remote, fetch_map);
for (ref = stale_refs; ref; ref = ref->next) {
struct string_list_item *item =
string_list_append(abbrev_branch(ref->name), &states->stale);
item->util = xstrdup(ref->name);
}
free_refs(stale_refs);
free_refs(fetch_map);
sort_string_list(&states->new);
sort_string_list(&states->tracked);
for_each_ref(handle_one_branch, states);
sort_string_list(&states->stale);
return 0;

40
remote.c
View File

@ -6,6 +6,7 @@
#include "revision.h"
#include "dir.h"
#include "tag.h"
#include "string-list.h"
static struct refspec s_tag_refspec = {
0,
@ -1587,3 +1588,42 @@ struct ref *guess_remote_head(const struct ref *head,
return list;
}
struct stale_heads_info {
struct remote *remote;
struct string_list *ref_names;
struct ref **stale_refs_tail;
};
static int get_stale_heads_cb(const char *refname,
const unsigned char *sha1, int flags, void *cb_data)
{
struct stale_heads_info *info = cb_data;
struct refspec refspec;
memset(&refspec, 0, sizeof(refspec));
refspec.dst = (char *)refname;
if (!remote_find_tracking(info->remote, &refspec)) {
if (!((flags & REF_ISSYMREF) ||
string_list_has_string(info->ref_names, refspec.src))) {
struct ref *ref = make_linked_ref(refname, &info->stale_refs_tail);
hashcpy(ref->new_sha1, sha1);
}
}
return 0;
}
struct ref *get_stale_heads(struct remote *remote, struct ref *fetch_map)
{
struct ref *ref, *stale_refs = NULL;
struct string_list ref_names = { NULL, 0, 0, 0 };
struct stale_heads_info info;
info.remote = remote;
info.ref_names = &ref_names;
info.stale_refs_tail = &stale_refs;
for (ref = fetch_map; ref; ref = ref->next)
string_list_append(ref->name, &ref_names);
sort_string_list(&ref_names);
for_each_ref(get_stale_heads_cb, &info);
string_list_clear(&ref_names, 0);
return stale_refs;
}

3
remote.h
View File

@ -154,4 +154,7 @@ struct ref *guess_remote_head(const struct ref *head,
const struct ref *refs,
int all);
/* Return refs which no longer exist on remote */
struct ref *get_stale_heads(struct remote *remote, struct ref *fetch_map);
#endif