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-rw-r--r--object-name.c64
1 files changed, 49 insertions, 15 deletions
diff --git a/object-name.c b/object-name.c
index 0bfa29d..523af6f 100644
--- a/object-name.c
+++ b/object-name.c
@@ -8,7 +8,6 @@
#include "tag.h"
#include "commit.h"
#include "tree.h"
-#include "blob.h"
#include "tree-walk.h"
#include "refs.h"
#include "remote.h"
@@ -21,10 +20,10 @@
#include "read-cache-ll.h"
#include "repository.h"
#include "setup.h"
-#include "submodule.h"
#include "midx.h"
#include "commit-reach.h"
#include "date.h"
+#include "object-file-convert.h"
static int get_oid_oneline(struct repository *r, const char *, struct object_id *, struct commit_list *);
@@ -49,6 +48,7 @@ struct disambiguate_state {
static void update_candidates(struct disambiguate_state *ds, const struct object_id *current)
{
+ /* The hash algorithm of current has already been filtered */
if (ds->always_call_fn) {
ds->ambiguous = ds->fn(ds->repo, current, ds->cb_data) ? 1 : 0;
return;
@@ -134,6 +134,8 @@ static void unique_in_midx(struct multi_pack_index *m,
{
uint32_t num, i, first = 0;
const struct object_id *current = NULL;
+ int len = ds->len > ds->repo->hash_algo->hexsz ?
+ ds->repo->hash_algo->hexsz : ds->len;
num = m->num_objects;
if (!num)
@@ -149,7 +151,7 @@ static void unique_in_midx(struct multi_pack_index *m,
for (i = first; i < num && !ds->ambiguous; i++) {
struct object_id oid;
current = nth_midxed_object_oid(&oid, m, i);
- if (!match_hash(ds->len, ds->bin_pfx.hash, current->hash))
+ if (!match_hash(len, ds->bin_pfx.hash, current->hash))
break;
update_candidates(ds, current);
}
@@ -159,6 +161,8 @@ static void unique_in_pack(struct packed_git *p,
struct disambiguate_state *ds)
{
uint32_t num, i, first = 0;
+ int len = ds->len > ds->repo->hash_algo->hexsz ?
+ ds->repo->hash_algo->hexsz : ds->len;
if (p->multi_pack_index)
return;
@@ -177,7 +181,7 @@ static void unique_in_pack(struct packed_git *p,
for (i = first; i < num && !ds->ambiguous; i++) {
struct object_id oid;
nth_packed_object_id(&oid, p, i);
- if (!match_hash(ds->len, ds->bin_pfx.hash, oid.hash))
+ if (!match_hash(len, ds->bin_pfx.hash, oid.hash))
break;
update_candidates(ds, &oid);
}
@@ -188,6 +192,10 @@ static void find_short_packed_object(struct disambiguate_state *ds)
struct multi_pack_index *m;
struct packed_git *p;
+ /* Skip, unless oids from the storage hash algorithm are wanted */
+ if (ds->bin_pfx.algo && (&hash_algos[ds->bin_pfx.algo] != ds->repo->hash_algo))
+ return;
+
for (m = get_multi_pack_index(ds->repo); m && !ds->ambiguous;
m = m->next)
unique_in_midx(m, ds);
@@ -326,11 +334,12 @@ int set_disambiguate_hint_config(const char *var, const char *value)
static int init_object_disambiguation(struct repository *r,
const char *name, int len,
+ const struct git_hash_algo *algo,
struct disambiguate_state *ds)
{
int i;
- if (len < MINIMUM_ABBREV || len > the_hash_algo->hexsz)
+ if (len < MINIMUM_ABBREV || len > GIT_MAX_HEXSZ)
return -1;
memset(ds, 0, sizeof(*ds));
@@ -357,6 +366,7 @@ static int init_object_disambiguation(struct repository *r,
ds->len = len;
ds->hex_pfx[len] = '\0';
ds->repo = r;
+ ds->bin_pfx.algo = algo ? hash_algo_by_ptr(algo) : GIT_HASH_UNKNOWN;
prepare_alt_odb(r);
return 0;
}
@@ -491,9 +501,10 @@ static int repo_collect_ambiguous(struct repository *r UNUSED,
return collect_ambiguous(oid, data);
}
-static int sort_ambiguous(const void *a, const void *b, void *ctx)
+static int sort_ambiguous(const void *va, const void *vb, void *ctx)
{
struct repository *sort_ambiguous_repo = ctx;
+ const struct object_id *a = va, *b = vb;
int a_type = oid_object_info(sort_ambiguous_repo, a, NULL);
int b_type = oid_object_info(sort_ambiguous_repo, b, NULL);
int a_type_sort;
@@ -503,8 +514,12 @@ static int sort_ambiguous(const void *a, const void *b, void *ctx)
* Sorts by hash within the same object type, just as
* oid_array_for_each_unique() would do.
*/
- if (a_type == b_type)
- return oidcmp(a, b);
+ if (a_type == b_type) {
+ if (a->algo == b->algo)
+ return oidcmp(a, b);
+ else
+ return a->algo > b->algo ? 1 : -1;
+ }
/*
* Between object types show tags, then commits, and finally
@@ -533,8 +548,12 @@ static enum get_oid_result get_short_oid(struct repository *r,
int status;
struct disambiguate_state ds;
int quietly = !!(flags & GET_OID_QUIETLY);
+ const struct git_hash_algo *algo = r->hash_algo;
- if (init_object_disambiguation(r, name, len, &ds) < 0)
+ if (flags & GET_OID_HASH_ANY)
+ algo = NULL;
+
+ if (init_object_disambiguation(r, name, len, algo, &ds) < 0)
return -1;
if (HAS_MULTI_BITS(flags & GET_OID_DISAMBIGUATORS))
@@ -588,7 +607,7 @@ static enum get_oid_result get_short_oid(struct repository *r,
if (!ds.ambiguous)
ds.fn = NULL;
- repo_for_each_abbrev(r, ds.hex_pfx, collect_ambiguous, &collect);
+ repo_for_each_abbrev(r, ds.hex_pfx, algo, collect_ambiguous, &collect);
sort_ambiguous_oid_array(r, &collect);
if (oid_array_for_each(&collect, show_ambiguous_object, &out))
@@ -610,13 +629,14 @@ static enum get_oid_result get_short_oid(struct repository *r,
}
int repo_for_each_abbrev(struct repository *r, const char *prefix,
+ const struct git_hash_algo *algo,
each_abbrev_fn fn, void *cb_data)
{
struct oid_array collect = OID_ARRAY_INIT;
struct disambiguate_state ds;
int ret;
- if (init_object_disambiguation(r, prefix, strlen(prefix), &ds) < 0)
+ if (init_object_disambiguation(r, prefix, strlen(prefix), algo, &ds) < 0)
return -1;
ds.always_call_fn = 1;
@@ -787,10 +807,12 @@ void strbuf_add_unique_abbrev(struct strbuf *sb, const struct object_id *oid,
int repo_find_unique_abbrev_r(struct repository *r, char *hex,
const struct object_id *oid, int len)
{
+ const struct git_hash_algo *algo =
+ oid->algo ? &hash_algos[oid->algo] : r->hash_algo;
struct disambiguate_state ds;
struct min_abbrev_data mad;
struct object_id oid_ret;
- const unsigned hexsz = r->hash_algo->hexsz;
+ const unsigned hexsz = algo->hexsz;
if (len < 0) {
unsigned long count = repo_approximate_object_count(r);
@@ -826,7 +848,7 @@ int repo_find_unique_abbrev_r(struct repository *r, char *hex,
find_abbrev_len_packed(&mad);
- if (init_object_disambiguation(r, hex, mad.cur_len, &ds) < 0)
+ if (init_object_disambiguation(r, hex, mad.cur_len, algo, &ds) < 0)
return -1;
ds.fn = repo_extend_abbrev_len;
@@ -1036,6 +1058,15 @@ static int get_oid_basic(struct repository *r, const char *str, int len,
len, str,
show_date(co_time, co_tz, DATE_MODE(RFC2822)));
}
+ } else if (nth == co_cnt && !is_null_oid(oid)) {
+ /*
+ * We were asked for the Nth reflog (counting
+ * from 0), but there were only N entries.
+ * read_ref_at() will have returned "1" to tell
+ * us it did not find an entry, but it did
+ * still fill in the oid with the "old" value,
+ * which we can use.
+ */
} else {
if (flags & GET_OID_QUIETLY) {
exit(128);
@@ -1481,7 +1512,7 @@ int repo_get_oid_mb(struct repository *r,
struct object_id *oid)
{
struct commit *one, *two;
- struct commit_list *mbs;
+ struct commit_list *mbs = NULL;
struct object_id oid_tmp;
const char *dots;
int st;
@@ -1509,7 +1540,10 @@ int repo_get_oid_mb(struct repository *r,
two = lookup_commit_reference_gently(r, &oid_tmp, 0);
if (!two)
return -1;
- mbs = repo_get_merge_bases(r, one, two);
+ if (repo_get_merge_bases(r, one, two, &mbs) < 0) {
+ free_commit_list(mbs);
+ return -1;
+ }
if (!mbs || mbs->next)
st = -1;
else {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 14:23:36 +0000