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Diffstat (limited to 'sha1_name.c')
-rw-r--r--sha1_name.c469
1 files changed, 287 insertions, 182 deletions
diff --git a/sha1_name.c b/sha1_name.c
index a1f13cfed..9a2d5caf3 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -1,4 +1,5 @@
#include "cache.h"
+#include "config.h"
#include "tag.h"
#include "commit.h"
#include "tree.h"
@@ -8,8 +9,9 @@
#include "remote.h"
#include "dir.h"
#include "sha1-array.h"
+#include "packfile.h"
-static int get_sha1_oneline(const char *, unsigned char *, struct commit_list *);
+static int get_oid_oneline(const char *, struct object_id *, struct commit_list *);
typedef int (*disambiguate_hint_fn)(const struct object_id *, void *);
@@ -77,10 +79,19 @@ static void update_candidates(struct disambiguate_state *ds, const struct object
/* otherwise, current can be discarded and candidate is still good */
}
+static int append_loose_object(const struct object_id *oid, const char *path,
+ void *data)
+{
+ oid_array_append(data, oid);
+ return 0;
+}
+
+static int match_sha(unsigned, const unsigned char *, const unsigned char *);
+
static void find_short_object_filename(struct disambiguate_state *ds)
{
+ int subdir_nr = ds->bin_pfx.hash[0];
struct alternate_object_database *alt;
- char hex[GIT_MAX_HEXSZ];
static struct alternate_object_database *fakeent;
if (!fakeent) {
@@ -95,29 +106,29 @@ static void find_short_object_filename(struct disambiguate_state *ds)
}
fakeent->next = alt_odb_list;
- xsnprintf(hex, sizeof(hex), "%.2s", ds->hex_pfx);
for (alt = fakeent; alt && !ds->ambiguous; alt = alt->next) {
- struct strbuf *buf = alt_scratch_buf(alt);
- struct dirent *de;
- DIR *dir;
-
- strbuf_addf(buf, "%.2s/", ds->hex_pfx);
- dir = opendir(buf->buf);
- if (!dir)
- continue;
+ int pos;
- while (!ds->ambiguous && (de = readdir(dir)) != NULL) {
- struct object_id oid;
+ if (!alt->loose_objects_subdir_seen[subdir_nr]) {
+ struct strbuf *buf = alt_scratch_buf(alt);
+ for_each_file_in_obj_subdir(subdir_nr, buf,
+ append_loose_object,
+ NULL, NULL,
+ &alt->loose_objects_cache);
+ alt->loose_objects_subdir_seen[subdir_nr] = 1;
+ }
- if (strlen(de->d_name) != GIT_SHA1_HEXSZ - 2)
- continue;
- if (memcmp(de->d_name, ds->hex_pfx + 2, ds->len - 2))
- continue;
- memcpy(hex + 2, de->d_name, GIT_SHA1_HEXSZ - 2);
- if (!get_oid_hex(hex, &oid))
- update_candidates(ds, &oid);
+ pos = oid_array_lookup(&alt->loose_objects_cache, &ds->bin_pfx);
+ if (pos < 0)
+ pos = -1 - pos;
+ while (!ds->ambiguous && pos < alt->loose_objects_cache.nr) {
+ const struct object_id *oid;
+ oid = alt->loose_objects_cache.oid + pos;
+ if (!match_sha(ds->len, ds->bin_pfx.hash, oid->hash))
+ break;
+ update_candidates(ds, oid);
+ pos++;
}
- closedir(dir);
}
}
@@ -142,11 +153,13 @@ static void unique_in_pack(struct packed_git *p,
uint32_t num, last, i, first = 0;
const struct object_id *current = NULL;
- open_pack_index(p);
+ if (open_pack_index(p) || !p->num_objects)
+ return;
+
num = p->num_objects;
last = num;
while (first < last) {
- uint32_t mid = (first + last) / 2;
+ uint32_t mid = first + (last - first) / 2;
const unsigned char *current;
int cmp;
@@ -190,7 +203,7 @@ static void find_short_packed_object(struct disambiguate_state *ds)
#define SHORT_NAME_AMBIGUOUS (-2)
static int finish_object_disambiguation(struct disambiguate_state *ds,
- unsigned char *sha1)
+ struct object_id *oid)
{
if (ds->ambiguous)
return SHORT_NAME_AMBIGUOUS;
@@ -219,7 +232,7 @@ static int finish_object_disambiguation(struct disambiguate_state *ds,
if (!ds->candidate_ok)
return SHORT_NAME_AMBIGUOUS;
- hashcpy(sha1, ds->candidate.hash);
+ oidcpy(oid, &ds->candidate);
return 0;
}
@@ -241,7 +254,7 @@ static int disambiguate_committish_only(const struct object_id *oid, void *cb_da
return 0;
/* We need to do this the hard way... */
- obj = deref_tag(parse_object(oid->hash), NULL, 0);
+ obj = deref_tag(parse_object(oid), NULL, 0);
if (obj && obj->type == OBJ_COMMIT)
return 1;
return 0;
@@ -265,7 +278,7 @@ static int disambiguate_treeish_only(const struct object_id *oid, void *cb_data_
return 0;
/* We need to do this the hard way... */
- obj = deref_tag(parse_object(oid->hash), NULL, 0);
+ obj = deref_tag(parse_object(oid), NULL, 0);
if (obj && (obj->type == OBJ_TREE || obj->type == OBJ_COMMIT))
return 1;
return 0;
@@ -354,14 +367,14 @@ static int show_ambiguous_object(const struct object_id *oid, void *data)
type = sha1_object_info(oid->hash, NULL);
if (type == OBJ_COMMIT) {
- struct commit *commit = lookup_commit(oid->hash);
+ struct commit *commit = lookup_commit(oid);
if (commit) {
struct pretty_print_context pp = {0};
pp.date_mode.type = DATE_SHORT;
format_commit_message(commit, " %ad - %s", &desc, &pp);
}
} else if (type == OBJ_TAG) {
- struct tag *tag = lookup_tag(oid->hash);
+ struct tag *tag = lookup_tag(oid);
if (!parse_tag(tag) && tag->tag)
strbuf_addf(&desc, " %s", tag->tag);
}
@@ -375,35 +388,35 @@ static int show_ambiguous_object(const struct object_id *oid, void *data)
return 0;
}
-static int get_short_sha1(const char *name, int len, unsigned char *sha1,
+static int get_short_oid(const char *name, int len, struct object_id *oid,
unsigned flags)
{
int status;
struct disambiguate_state ds;
- int quietly = !!(flags & GET_SHA1_QUIETLY);
+ int quietly = !!(flags & GET_OID_QUIETLY);
if (init_object_disambiguation(name, len, &ds) < 0)
return -1;
- if (HAS_MULTI_BITS(flags & GET_SHA1_DISAMBIGUATORS))
- die("BUG: multiple get_short_sha1 disambiguator flags");
+ if (HAS_MULTI_BITS(flags & GET_OID_DISAMBIGUATORS))
+ die("BUG: multiple get_short_oid disambiguator flags");
- if (flags & GET_SHA1_COMMIT)
+ if (flags & GET_OID_COMMIT)
ds.fn = disambiguate_commit_only;
- else if (flags & GET_SHA1_COMMITTISH)
+ else if (flags & GET_OID_COMMITTISH)
ds.fn = disambiguate_committish_only;
- else if (flags & GET_SHA1_TREE)
+ else if (flags & GET_OID_TREE)
ds.fn = disambiguate_tree_only;
- else if (flags & GET_SHA1_TREEISH)
+ else if (flags & GET_OID_TREEISH)
ds.fn = disambiguate_treeish_only;
- else if (flags & GET_SHA1_BLOB)
+ else if (flags & GET_OID_BLOB)
ds.fn = disambiguate_blob_only;
else
ds.fn = default_disambiguate_hint;
find_short_object_filename(&ds);
find_short_packed_object(&ds);
- status = finish_object_disambiguation(&ds, sha1);
+ status = finish_object_disambiguation(&ds, oid);
if (!quietly && (status == SHORT_NAME_AMBIGUOUS)) {
error(_("short SHA1 %s is ambiguous"), ds.hex_pfx);
@@ -463,10 +476,104 @@ static unsigned msb(unsigned long val)
return r;
}
-int find_unique_abbrev_r(char *hex, const unsigned char *sha1, int len)
+struct min_abbrev_data {
+ unsigned int init_len;
+ unsigned int cur_len;
+ char *hex;
+ const unsigned char *hash;
+};
+
+static inline char get_hex_char_from_oid(const struct object_id *oid,
+ unsigned int pos)
+{
+ static const char hex[] = "0123456789abcdef";
+
+ if ((pos & 1) == 0)
+ return hex[oid->hash[pos >> 1] >> 4];
+ else
+ return hex[oid->hash[pos >> 1] & 0xf];
+}
+
+static int extend_abbrev_len(const struct object_id *oid, void *cb_data)
{
- int status, exists;
+ struct min_abbrev_data *mad = cb_data;
+
+ unsigned int i = mad->init_len;
+ while (mad->hex[i] && mad->hex[i] == get_hex_char_from_oid(oid, i))
+ i++;
+
+ if (i < GIT_MAX_RAWSZ && i >= mad->cur_len)
+ mad->cur_len = i + 1;
+
+ return 0;
+}
+
+static void find_abbrev_len_for_pack(struct packed_git *p,
+ struct min_abbrev_data *mad)
+{
+ int match = 0;
+ uint32_t num, last, first = 0;
+ struct object_id oid;
+
+ if (open_pack_index(p) || !p->num_objects)
+ return;
+ num = p->num_objects;
+ last = num;
+ while (first < last) {
+ uint32_t mid = first + (last - first) / 2;
+ const unsigned char *current;
+ int cmp;
+
+ current = nth_packed_object_sha1(p, mid);
+ cmp = hashcmp(mad->hash, current);
+ if (!cmp) {
+ match = 1;
+ first = mid;
+ break;
+ }
+ if (cmp > 0) {
+ first = mid + 1;
+ continue;
+ }
+ last = mid;
+ }
+
+ /*
+ * first is now the position in the packfile where we would insert
+ * mad->hash if it does not exist (or the position of mad->hash if
+ * it does exist). Hence, we consider a maximum of three objects
+ * nearby for the abbreviation length.
+ */
+ mad->init_len = 0;
+ if (!match) {
+ nth_packed_object_oid(&oid, p, first);
+ extend_abbrev_len(&oid, mad);
+ } else if (first < num - 1) {
+ nth_packed_object_oid(&oid, p, first + 1);
+ extend_abbrev_len(&oid, mad);
+ }
+ if (first > 0) {
+ nth_packed_object_oid(&oid, p, first - 1);
+ extend_abbrev_len(&oid, mad);
+ }
+ mad->init_len = mad->cur_len;
+}
+
+static void find_abbrev_len_packed(struct min_abbrev_data *mad)
+{
+ struct packed_git *p;
+
+ prepare_packed_git();
+ for (p = packed_git; p; p = p->next)
+ find_abbrev_len_for_pack(p, mad);
+}
+
+int find_unique_abbrev_r(char *hex, const unsigned char *sha1, int len)
+{
+ struct disambiguate_state ds;
+ struct min_abbrev_data mad;
+ struct object_id oid_ret;
if (len < 0) {
unsigned long count = approximate_object_count();
/*
@@ -479,10 +586,9 @@ int find_unique_abbrev_r(char *hex, const unsigned char *sha1, int len)
* We now know we have on the order of 2^len objects, which
* expects a collision at 2^(len/2). But we also care about hex
* chars, not bits, and there are 4 bits per hex. So all
- * together we need to divide by 2; but we also want to round
- * odd numbers up, hence adding one before dividing.
+ * together we need to divide by 2 and round up.
*/
- len = (len + 1) / 2;
+ len = DIV_ROUND_UP(len, 2);
/*
* For very small repos, we stick with our regular fallback.
*/
@@ -491,21 +597,28 @@ int find_unique_abbrev_r(char *hex, const unsigned char *sha1, int len)
}
sha1_to_hex_r(hex, sha1);
- if (len == 40 || !len)
- return 40;
- exists = has_sha1_file(sha1);
- while (len < 40) {
- unsigned char sha1_ret[20];
- status = get_short_sha1(hex, len, sha1_ret, GET_SHA1_QUIETLY);
- if (exists
- ? !status
- : status == SHORT_NAME_NOT_FOUND) {
- hex[len] = 0;
- return len;
- }
- len++;
- }
- return len;
+ if (len == GIT_SHA1_HEXSZ || !len)
+ return GIT_SHA1_HEXSZ;
+
+ mad.init_len = len;
+ mad.cur_len = len;
+ mad.hex = hex;
+ mad.hash = sha1;
+
+ find_abbrev_len_packed(&mad);
+
+ if (init_object_disambiguation(hex, mad.cur_len, &ds) < 0)
+ return -1;
+
+ ds.fn = extend_abbrev_len;
+ ds.always_call_fn = 1;
+ ds.cb_data = (void *)&mad;
+
+ find_short_object_filename(&ds);
+ (void)finish_object_disambiguation(&ds, &oid_ret);
+
+ hex[mad.cur_len] = 0;
+ return mad.cur_len;
}
const char *find_unique_abbrev(const unsigned char *sha1, int len)
@@ -569,10 +682,10 @@ static inline int push_mark(const char *string, int len)
return at_mark(string, len, suffix, ARRAY_SIZE(suffix));
}
-static int get_sha1_1(const char *name, int len, unsigned char *sha1, unsigned lookup_flags);
+static int get_oid_1(const char *name, int len, struct object_id *oid, unsigned lookup_flags);
static int interpret_nth_prior_checkout(const char *name, int namelen, struct strbuf *buf);
-static int get_sha1_basic(const char *str, int len, unsigned char *sha1,
+static int get_oid_basic(const char *str, int len, struct object_id *oid,
unsigned int flags)
{
static const char *warn_msg = "refname '%.*s' is ambiguous.";
@@ -586,14 +699,14 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1,
"where \"$br\" is somehow empty and a 40-hex ref is created. Please\n"
"examine these refs and maybe delete them. Turn this message off by\n"
"running \"git config advice.objectNameWarning false\"");
- unsigned char tmp_sha1[20];
+ struct object_id tmp_oid;
char *real_ref = NULL;
int refs_found = 0;
int at, reflog_len, nth_prior = 0;
- if (len == 40 && !get_sha1_hex(str, sha1)) {
+ if (len == GIT_SHA1_HEXSZ && !get_oid_hex(str, oid)) {
if (warn_ambiguous_refs && warn_on_object_refname_ambiguity) {
- refs_found = dwim_ref(str, len, tmp_sha1, &real_ref);
+ refs_found = dwim_ref(str, len, &tmp_oid, &real_ref);
if (refs_found > 0) {
warning(warn_msg, len, str);
if (advice_object_name_warning)
@@ -635,7 +748,7 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1,
int detached;
if (interpret_nth_prior_checkout(str, len, &buf) > 0) {
- detached = (buf.len == 40 && !get_sha1_hex(buf.buf, sha1));
+ detached = (buf.len == GIT_SHA1_HEXSZ && !get_oid_hex(buf.buf, oid));
strbuf_release(&buf);
if (detached)
return 0;
@@ -644,24 +757,24 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1,
if (!len && reflog_len)
/* allow "@{...}" to mean the current branch reflog */
- refs_found = dwim_ref("HEAD", 4, sha1, &real_ref);
+ refs_found = dwim_ref("HEAD", 4, oid, &real_ref);
else if (reflog_len)
- refs_found = dwim_log(str, len, sha1, &real_ref);
+ refs_found = dwim_log(str, len, oid, &real_ref);
else
- refs_found = dwim_ref(str, len, sha1, &real_ref);
+ refs_found = dwim_ref(str, len, oid, &real_ref);
if (!refs_found)
return -1;
- if (warn_ambiguous_refs && !(flags & GET_SHA1_QUIETLY) &&
+ if (warn_ambiguous_refs && !(flags & GET_OID_QUIETLY) &&
(refs_found > 1 ||
- !get_short_sha1(str, len, tmp_sha1, GET_SHA1_QUIETLY)))
+ !get_short_oid(str, len, &tmp_oid, GET_OID_QUIETLY)))
warning(warn_msg, len, str);
if (reflog_len) {
int nth, i;
- unsigned long at_time;
- unsigned long co_time;
+ timestamp_t at_time;
+ timestamp_t co_time;
int co_tz, co_cnt;
/* Is it asking for N-th entry, or approxidate? */
@@ -687,7 +800,7 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1,
return -1;
}
}
- if (read_ref_at(real_ref, flags, at_time, nth, sha1, NULL,
+ if (read_ref_at(real_ref, flags, at_time, nth, oid, NULL,
&co_time, &co_tz, &co_cnt)) {
if (!len) {
if (starts_with(real_ref, "refs/heads/")) {
@@ -700,13 +813,13 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1,
}
}
if (at_time) {
- if (!(flags & GET_SHA1_QUIETLY)) {
+ if (!(flags & GET_OID_QUIETLY)) {
warning("Log for '%.*s' only goes "
"back to %s.", len, str,
show_date(co_time, co_tz, DATE_MODE(RFC2822)));
}
} else {
- if (flags & GET_SHA1_QUIETLY) {
+ if (flags & GET_OID_QUIETLY) {
exit(128);
}
die("Log for '%.*s' only has %d entries.",
@@ -720,26 +833,26 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1,
}
static int get_parent(const char *name, int len,
- unsigned char *result, int idx)
+ struct object_id *result, int idx)
{
- unsigned char sha1[20];
- int ret = get_sha1_1(name, len, sha1, GET_SHA1_COMMITTISH);
+ struct object_id oid;
+ int ret = get_oid_1(name, len, &oid, GET_OID_COMMITTISH);
struct commit *commit;
struct commit_list *p;
if (ret)
return ret;
- commit = lookup_commit_reference(sha1);
+ commit = lookup_commit_reference(&oid);
if (parse_commit(commit))
return -1;
if (!idx) {
- hashcpy(result, commit->object.oid.hash);
+ oidcpy(result, &commit->object.oid);
return 0;
}
p = commit->parents;
while (p) {
if (!--idx) {
- hashcpy(result, p->item->object.oid.hash);
+ oidcpy(result, &p->item->object.oid);
return 0;
}
p = p->next;
@@ -748,16 +861,16 @@ static int get_parent(const char *name, int len,
}
static int get_nth_ancestor(const char *name, int len,
- unsigned char *result, int generation)
+ struct object_id *result, int generation)
{
- unsigned char sha1[20];
+ struct object_id oid;
struct commit *commit;
int ret;
- ret = get_sha1_1(name, len, sha1, GET_SHA1_COMMITTISH);
+ ret = get_oid_1(name, len, &oid, GET_OID_COMMITTISH);
if (ret)
return ret;
- commit = lookup_commit_reference(sha1);
+ commit = lookup_commit_reference(&oid);
if (!commit)
return -1;
@@ -766,7 +879,7 @@ static int get_nth_ancestor(const char *name, int len,
return -1;
commit = commit->parents->item;
}
- hashcpy(result, commit->object.oid.hash);
+ oidcpy(result, &commit->object.oid);
return 0;
}
@@ -776,7 +889,7 @@ struct object *peel_to_type(const char *name, int namelen,
if (name && !namelen)
namelen = strlen(name);
while (1) {
- if (!o || (!o->parsed && !parse_object(o->oid.hash)))
+ if (!o || (!o->parsed && !parse_object(&o->oid)))
return NULL;
if (expected_type == OBJ_ANY || o->type == expected_type)
return o;
@@ -795,10 +908,10 @@ struct object *peel_to_type(const char *name, int namelen,
}
}
-static int peel_onion(const char *name, int len, unsigned char *sha1,
+static int peel_onion(const char *name, int len, struct object_id *oid,
unsigned lookup_flags)
{
- unsigned char outer[20];
+ struct object_id outer;
const char *sp;
unsigned int expected_type = 0;
struct object *o;
@@ -840,23 +953,23 @@ static int peel_onion(const char *name, int len, unsigned char *sha1,
else
return -1;
- lookup_flags &= ~GET_SHA1_DISAMBIGUATORS;
+ lookup_flags &= ~GET_OID_DISAMBIGUATORS;
if (expected_type == OBJ_COMMIT)
- lookup_flags |= GET_SHA1_COMMITTISH;
+ lookup_flags |= GET_OID_COMMITTISH;
else if (expected_type == OBJ_TREE)
- lookup_flags |= GET_SHA1_TREEISH;
+ lookup_flags |= GET_OID_TREEISH;
- if (get_sha1_1(name, sp - name - 2, outer, lookup_flags))
+ if (get_oid_1(name, sp - name - 2, &outer, lookup_flags))
return -1;
- o = parse_object(outer);
+ o = parse_object(&outer);
if (!o)
return -1;
if (!expected_type) {
o = deref_tag(o, name, sp - name - 2);
- if (!o || (!o->parsed && !parse_object(o->oid.hash)))
+ if (!o || (!o->parsed && !parse_object(&o->oid)))
return -1;
- hashcpy(sha1, o->oid.hash);
+ oidcpy(oid, &o->oid);
return 0;
}
@@ -869,7 +982,7 @@ static int peel_onion(const char *name, int len, unsigned char *sha1,
if (!o)
return -1;
- hashcpy(sha1, o->oid.hash);
+ oidcpy(oid, &o->oid);
if (sp[0] == '/') {
/* "$commit^{/foo}" */
char *prefix;
@@ -885,17 +998,17 @@ static int peel_onion(const char *name, int len, unsigned char *sha1,
prefix = xstrndup(sp + 1, name + len - 1 - (sp + 1));
commit_list_insert((struct commit *)o, &list);
- ret = get_sha1_oneline(prefix, sha1, list);
+ ret = get_oid_oneline(prefix, oid, list);
free(prefix);
return ret;
}
return 0;
}
-static int get_describe_name(const char *name, int len, unsigned char *sha1)
+static int get_describe_name(const char *name, int len, struct object_id *oid)
{
const char *cp;
- unsigned flags = GET_SHA1_QUIETLY | GET_SHA1_COMMIT;
+ unsigned flags = GET_OID_QUIETLY | GET_OID_COMMIT;
for (cp = name + len - 1; name + 2 <= cp; cp--) {
char ch = *cp;
@@ -906,14 +1019,14 @@ static int get_describe_name(const char *name, int len, unsigned char *sha1)
if (ch == 'g' && cp[-1] == '-') {
cp++;
len -= cp - name;
- return get_short_sha1(cp, len, sha1, flags);
+ return get_short_oid(cp, len, oid, flags);
}
}
}
return -1;
}
-static int get_sha1_1(const char *name, int len, unsigned char *sha1, unsigned lookup_flags)
+static int get_oid_1(const char *name, int len, struct object_id *oid, unsigned lookup_flags)
{
int ret, has_suffix;
const char *cp;
@@ -940,25 +1053,25 @@ static int get_sha1_1(const char *name, int len, unsigned char *sha1, unsigned l
if (!num && len1 == len - 1)
num = 1;
if (has_suffix == '^')
- return get_parent(name, len1, sha1, num);
+ return get_parent(name, len1, oid, num);
/* else if (has_suffix == '~') -- goes without saying */
- return get_nth_ancestor(name, len1, sha1, num);
+ return get_nth_ancestor(name, len1, oid, num);
}
- ret = peel_onion(name, len, sha1, lookup_flags);
+ ret = peel_onion(name, len, oid, lookup_flags);
if (!ret)
return 0;
- ret = get_sha1_basic(name, len, sha1, lookup_flags);
+ ret = get_oid_basic(name, len, oid, lookup_flags);
if (!ret)
return 0;
/* It could be describe output that is "SOMETHING-gXXXX" */
- ret = get_describe_name(name, len, sha1);
+ ret = get_describe_name(name, len, oid);
if (!ret)
return 0;
- return get_short_sha1(name, len, sha1, lookup_flags);
+ return get_short_oid(name, len, oid, lookup_flags);
}
/*
@@ -981,7 +1094,7 @@ static int handle_one_ref(const char *path, const struct object_id *oid,
int flag, void *cb_data)
{
struct commit_list **list = cb_data;
- struct object *object = parse_object(oid->hash);
+ struct object *object = parse_object(oid);
if (!object)
return 0;
if (object->type == OBJ_TAG) {
@@ -995,7 +1108,7 @@ static int handle_one_ref(const char *path, const struct object_id *oid,
return 0;
}
-static int get_sha1_oneline(const char *prefix, unsigned char *sha1,
+static int get_oid_oneline(const char *prefix, struct object_id *oid,
struct commit_list *list)
{
struct commit_list *backup = NULL, *l;
@@ -1027,7 +1140,7 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1,
int matches;
commit = pop_most_recent_commit(&list, ONELINE_SEEN);
- if (!parse_object(commit->object.oid.hash))
+ if (!parse_object(&commit->object.oid))
continue;
buf = get_commit_buffer(commit, NULL);
p = strstr(buf, "\n\n");
@@ -1035,7 +1148,7 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1,
unuse_commit_buffer(commit, buf);
if (matches) {
- hashcpy(sha1, commit->object.oid.hash);
+ oidcpy(oid, &commit->object.oid);
found = 1;
break;
}
@@ -1054,7 +1167,7 @@ struct grab_nth_branch_switch_cbdata {
};
static int grab_nth_branch_switch(struct object_id *ooid, struct object_id *noid,
- const char *email, unsigned long timestamp, int tz,
+ const char *email, timestamp_t timestamp, int tz,
const char *message, void *cb_data)
{
struct grab_nth_branch_switch_cbdata *cb = cb_data;
@@ -1131,18 +1244,18 @@ int get_oid_mb(const char *name, struct object_id *oid)
struct strbuf sb;
strbuf_init(&sb, dots - name);
strbuf_add(&sb, name, dots - name);
- st = get_sha1_committish(sb.buf, oid_tmp.hash);
+ st = get_oid_committish(sb.buf, &oid_tmp);
strbuf_release(&sb);
}
if (st)
return st;
- one = lookup_commit_reference_gently(oid_tmp.hash, 0);
+ one = lookup_commit_reference_gently(&oid_tmp, 0);
if (!one)
return -1;
- if (get_sha1_committish(dots[3] ? (dots + 3) : "HEAD", oid_tmp.hash))
+ if (get_oid_committish(dots[3] ? (dots + 3) : "HEAD", &oid_tmp))
return -1;
- two = lookup_commit_reference_gently(oid_tmp.hash, 0);
+ two = lookup_commit_reference_gently(&oid_tmp, 0);
if (!two)
return -1;
mbs = get_merge_bases(one, two);
@@ -1332,21 +1445,13 @@ int strbuf_check_branch_ref(struct strbuf *sb, const char *name)
}
/*
- * This is like "get_sha1_basic()", except it allows "sha1 expressions",
+ * This is like "get_oid_basic()", except it allows "object ID expressions",
* notably "xyz^" for "parent of xyz"
*/
-int get_sha1(const char *name, unsigned char *sha1)
-{
- struct object_context unused;
- return get_sha1_with_context(name, 0, sha1, &unused);
-}
-
-/*
- * This is like "get_sha1()", but for struct object_id.
- */
int get_oid(const char *name, struct object_id *oid)
{
- return get_sha1(name, oid->hash);
+ struct object_context unused;
+ return get_oid_with_context(name, 0, oid, &unused);
}
@@ -1360,49 +1465,49 @@ int get_oid(const char *name, struct object_id *oid)
* commit-ish. It is merely to give a hint to the disambiguation
* machinery.
*/
-int get_sha1_committish(const char *name, unsigned char *sha1)
+int get_oid_committish(const char *name, struct object_id *oid)
{
struct object_context unused;
- return get_sha1_with_context(name, GET_SHA1_COMMITTISH,
- sha1, &unused);
+ return get_oid_with_context(name, GET_OID_COMMITTISH,
+ oid, &unused);
}
-int get_sha1_treeish(const char *name, unsigned char *sha1)
+int get_oid_treeish(const char *name, struct object_id *oid)
{
struct object_context unused;
- return get_sha1_with_context(name, GET_SHA1_TREEISH,
- sha1, &unused);
+ return get_oid_with_context(name, GET_OID_TREEISH,
+ oid, &unused);
}
-int get_sha1_commit(const char *name, unsigned char *sha1)
+int get_oid_commit(const char *name, struct object_id *oid)
{
struct object_context unused;
- return get_sha1_with_context(name, GET_SHA1_COMMIT,
- sha1, &unused);
+ return get_oid_with_context(name, GET_OID_COMMIT,
+ oid, &unused);
}
-int get_sha1_tree(const char *name, unsigned char *sha1)
+int get_oid_tree(const char *name, struct object_id *oid)
{
struct object_context unused;
- return get_sha1_with_context(name, GET_SHA1_TREE,
- sha1, &unused);
+ return get_oid_with_context(name, GET_OID_TREE,
+ oid, &unused);
}
-int get_sha1_blob(const char *name, unsigned char *sha1)
+int get_oid_blob(const char *name, struct object_id *oid)
{
struct object_context unused;
- return get_sha1_with_context(name, GET_SHA1_BLOB,
- sha1, &unused);
+ return get_oid_with_context(name, GET_OID_BLOB,
+ oid, &unused);
}
/* Must be called only when object_name:filename doesn't exist. */
-static void diagnose_invalid_sha1_path(const char *prefix,
- const char *filename,
- const unsigned char *tree_sha1,
- const char *object_name,
- int object_name_len)
+static void diagnose_invalid_oid_path(const char *prefix,
+ const char *filename,
+ const struct object_id *tree_oid,
+ const char *object_name,
+ int object_name_len)
{
- unsigned char sha1[20];
+ struct object_id oid;
unsigned mode;
if (!prefix)
@@ -1411,11 +1516,11 @@ static void diagnose_invalid_sha1_path(const char *prefix,
if (file_exists(filename))
die("Path '%s' exists on disk, but not in '%.*s'.",
filename, object_name_len, object_name);
- if (errno == ENOENT || errno == ENOTDIR) {
+ if (is_missing_file_error(errno)) {
char *fullname = xstrfmt("%s%s", prefix, filename);
- if (!get_tree_entry(tree_sha1, fullname,
- sha1, &mode)) {
+ if (!get_tree_entry(tree_oid->hash, fullname,
+ oid.hash, &mode)) {
die("Path '%s' exists, but not '%s'.\n"
"Did you mean '%.*s:%s' aka '%.*s:./%s'?",
fullname,
@@ -1476,7 +1581,7 @@ static void diagnose_invalid_index_path(int stage,
if (file_exists(filename))
die("Path '%s' exists on disk, but not in the index.", filename);
- if (errno == ENOENT || errno == ENOTDIR)
+ if (is_missing_file_error(errno))
die("Path '%s' does not exist (neither on disk nor in the index).",
filename);
@@ -1498,24 +1603,24 @@ static char *resolve_relative_path(const char *rel)
rel);
}
-static int get_sha1_with_context_1(const char *name,
- unsigned flags,
- const char *prefix,
- unsigned char *sha1,
- struct object_context *oc)
+static int get_oid_with_context_1(const char *name,
+ unsigned flags,
+ const char *prefix,
+ struct object_id *oid,
+ struct object_context *oc)
{
int ret, bracket_depth;
int namelen = strlen(name);
const char *cp;
- int only_to_die = flags & GET_SHA1_ONLY_TO_DIE;
+ int only_to_die = flags & GET_OID_ONLY_TO_DIE;
if (only_to_die)
- flags |= GET_SHA1_QUIETLY;
+ flags |= GET_OID_QUIETLY;
memset(oc, 0, sizeof(*oc));
oc->mode = S_IFINVALID;
strbuf_init(&oc->symlink_path, 0);
- ret = get_sha1_1(name, namelen, sha1, flags);
+ ret = get_oid_1(name, namelen, oid, flags);
if (!ret)
return ret;
/*
@@ -1535,7 +1640,7 @@ static int get_sha1_with_context_1(const char *name,
for_each_ref(handle_one_ref, &list);
commit_list_sort_by_date(&list);
- return get_sha1_oneline(name + 2, sha1, list);
+ return get_oid_oneline(name + 2, oid, list);
}
if (namelen < 3 ||
name[2] != ':' ||
@@ -1553,7 +1658,7 @@ static int get_sha1_with_context_1(const char *name,
namelen = strlen(cp);
}
- if (flags & GET_SHA1_RECORD_PATH)
+ if (flags & GET_OID_RECORD_PATH)
oc->path = xstrdup(cp);
if (!active_cache)
@@ -1567,7 +1672,7 @@ static int get_sha1_with_context_1(const char *name,
memcmp(ce->name, cp, namelen))
break;
if (ce_stage(ce) == stage) {
- hashcpy(sha1, ce->oid.hash);
+ oidcpy(oid, &ce->oid);
oc->mode = ce->ce_mode;
free(new_path);
return 0;
@@ -1588,36 +1693,36 @@ static int get_sha1_with_context_1(const char *name,
break;
}
if (*cp == ':') {
- unsigned char tree_sha1[20];
+ struct object_id tree_oid;
int len = cp - name;
unsigned sub_flags = flags;
- sub_flags &= ~GET_SHA1_DISAMBIGUATORS;
- sub_flags |= GET_SHA1_TREEISH;
+ sub_flags &= ~GET_OID_DISAMBIGUATORS;
+ sub_flags |= GET_OID_TREEISH;
- if (!get_sha1_1(name, len, tree_sha1, sub_flags)) {
+ if (!get_oid_1(name, len, &tree_oid, sub_flags)) {
const char *filename = cp+1;
char *new_filename = NULL;
new_filename = resolve_relative_path(filename);
if (new_filename)
filename = new_filename;
- if (flags & GET_SHA1_FOLLOW_SYMLINKS) {
- ret = get_tree_entry_follow_symlinks(tree_sha1,
- filename, sha1, &oc->symlink_path,
+ if (flags & GET_OID_FOLLOW_SYMLINKS) {
+ ret = get_tree_entry_follow_symlinks(tree_oid.hash,
+ filename, oid->hash, &oc->symlink_path,
&oc->mode);
} else {
- ret = get_tree_entry(tree_sha1, filename,
- sha1, &oc->mode);
+ ret = get_tree_entry(tree_oid.hash, filename,
+ oid->hash, &oc->mode);
if (ret && only_to_die) {
- diagnose_invalid_sha1_path(prefix,
+ diagnose_invalid_oid_path(prefix,
filename,
- tree_sha1,
+ &tree_oid,
name, len);
}
}
- hashcpy(oc->tree, tree_sha1);
- if (flags & GET_SHA1_RECORD_PATH)
+ hashcpy(oc->tree, tree_oid.hash);
+ if (flags & GET_OID_RECORD_PATH)
oc->path = xstrdup(filename);
free(new_filename);
@@ -1640,13 +1745,13 @@ static int get_sha1_with_context_1(const char *name,
void maybe_die_on_misspelt_object_name(const char *name, const char *prefix)
{
struct object_context oc;
- unsigned char sha1[20];
- get_sha1_with_context_1(name, GET_SHA1_ONLY_TO_DIE, prefix, sha1, &oc);
+ struct object_id oid;
+ get_oid_with_context_1(name, GET_OID_ONLY_TO_DIE, prefix, &oid, &oc);
}
-int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *oc)
+int get_oid_with_context(const char *str, unsigned flags, struct object_id *oid, struct object_context *oc)
{
- if (flags & GET_SHA1_FOLLOW_SYMLINKS && flags & GET_SHA1_ONLY_TO_DIE)
+ if (flags & GET_OID_FOLLOW_SYMLINKS && flags & GET_OID_ONLY_TO_DIE)
die("BUG: incompatible flags for get_sha1_with_context");
- return get_sha1_with_context_1(str, flags, NULL, sha1, oc);
+ return get_oid_with_context_1(str, flags, NULL, oid, oc);
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-08 13:49:43 +0000