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#include "cache.h"
#include "repository.h"
#include "refs.h"
#include "remote.h"
#include "strvec.h"
#include "ls-refs.h"
#include "pkt-line.h"
#include "config.h"
* Check if one of the prefixes is a prefix of the ref.
* If no prefixes were provided, all refs match.
static int ref_match(const struct strvec *prefixes, const char *refname)
int i;
if (!prefixes->nr)
return 1; /* no restriction */
for (i = 0; i < prefixes->nr; i++) {
const char *prefix = prefixes->v[i];
if (starts_with(refname, prefix))
return 1;
return 0;
struct ls_refs_data {
unsigned peel;
unsigned symrefs;
struct strvec prefixes;
static int send_ref(const char *refname, const struct object_id *oid,
int flag, void *cb_data)
struct ls_refs_data *data = cb_data;
const char *refname_nons = strip_namespace(refname);
struct strbuf refline = STRBUF_INIT;
if (ref_is_hidden(refname_nons, refname))
return 0;
if (!ref_match(&data->prefixes, refname_nons))
return 0;
strbuf_addf(&refline, "%s %s", oid_to_hex(oid), refname_nons);
if (data->symrefs && flag & REF_ISSYMREF) {
struct object_id unused;
const char *symref_target = resolve_ref_unsafe(refname, 0,
if (!symref_target)
die("'%s' is a symref but it is not?", refname);
strbuf_addf(&refline, " symref-target:%s",
if (data->peel) {
struct object_id peeled;
if (!peel_ref(refname, &peeled))
strbuf_addf(&refline, " peeled:%s", oid_to_hex(&peeled));
strbuf_addch(&refline, '\n');
packet_write(1, refline.buf, refline.len);
return 0;
static int ls_refs_config(const char *var, const char *value, void *data)
* We only serve fetches over v2 for now, so respect only "uploadpack"
* config. This may need to eventually be expanded to "receive", but we
* don't yet know how that information will be passed to ls-refs.
return parse_hide_refs_config(var, value, "uploadpack");
int ls_refs(struct repository *r, struct strvec *keys,
struct packet_reader *request)
struct ls_refs_data data;
memset(&data, 0, sizeof(data));
git_config(ls_refs_config, NULL);
while (packet_reader_read(request) == PACKET_READ_NORMAL) {
const char *arg = request->line;
const char *out;
if (!strcmp("peel", arg))
data.peel = 1;
else if (!strcmp("symrefs", arg))
data.symrefs = 1;
else if (skip_prefix(arg, "ref-prefix ", &out))
strvec_push(&data.prefixes, out);
if (request->status != PACKET_READ_FLUSH)
die(_("expected flush after ls-refs arguments"));
head_ref_namespaced(send_ref, &data);
for_each_namespaced_ref(send_ref, &data);
return 0;