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refs: get rid of global list of hidden refs

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We're about to add a new argument to git-rev-list(1) that allows it to
add all references that are visible when taking `transfer.hideRefs` et
al into account. This will require us to potentially parse multiple sets
of hidden refs, which is not easily possible right now as there is only
a single, global instance of the list of parsed hidden refs.

Refactor `parse_hide_refs_config()` and `ref_is_hidden()` so that both
take the list of hidden references as input and adjust callers to keep a
local list, instead. This allows us to easily use multiple hidden-ref
lists. Furthermore, it allows us to properly free this list before we
exit.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
This commit is contained in:
Patrick Steinhardt
2022-11-17 06:46:43 +01:00
committed by Taylor Blau
parent 5eeb9aa208
commit 9b67eb6fbe
5 changed files with 39 additions and 31 deletions
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13
ls-refs.c
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@@ -6,6 +6,7 @@
#include "ls-refs.h"
#include "pkt-line.h"
#include "config.h"
#include "string-list.h"
static int config_read;
static int advertise_unborn;
@@ -73,6 +74,7 @@ struct ls_refs_data {
unsigned symrefs;
struct strvec prefixes;
struct strbuf buf;
struct string_list hidden_refs;
unsigned unborn : 1;
};
@@ -84,7 +86,7 @@ static int send_ref(const char *refname, const struct object_id *oid,
strbuf_reset(&data->buf);
if (ref_is_hidden(refname_nons, refname))
if (ref_is_hidden(refname_nons, refname, &data->hidden_refs))
return 0;
if (!ref_match(&data->prefixes, refname_nons))
@@ -137,14 +139,15 @@ static void send_possibly_unborn_head(struct ls_refs_data *data)
}
static int ls_refs_config(const char *var, const char *value,
void *data UNUSED)
void *cb_data)
{
struct ls_refs_data *data = cb_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");
return parse_hide_refs_config(var, value, "uploadpack", &data->hidden_refs);
}
int ls_refs(struct repository *r, struct packet_reader *request)
@@ -154,9 +157,10 @@ int ls_refs(struct repository *r, struct packet_reader *request)
memset(&data, 0, sizeof(data));
strvec_init(&data.prefixes);
strbuf_init(&data.buf, 0);
string_list_init_dup(&data.hidden_refs);
ensure_config_read();
git_config(ls_refs_config, NULL);
git_config(ls_refs_config, &data);
while (packet_reader_read(request) == PACKET_READ_NORMAL) {
const char *arg = request->line;
@@ -195,6 +199,7 @@ int ls_refs(struct repository *r, struct packet_reader *request)
packet_fflush(stdout);
strvec_clear(&data.prefixes);
strbuf_release(&data.buf);
string_list_clear(&data.hidden_refs, 0);
return 0;
}