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-rw-r--r--builtin/cat-file.c4
-rw-r--r--builtin/diff-tree.c8
-rw-r--r--builtin/diff.c60
-rw-r--r--builtin/grep.c4
-rw-r--r--builtin/log.c10
-rw-r--r--builtin/name-rev.c59
6 files changed, 99 insertions, 46 deletions
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index 9af863e79..73c81f0cb 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -61,7 +61,8 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
if (unknown_type)
flags |= LOOKUP_UNKNOWN_OBJECT;
- if (get_sha1_with_context(obj_name, 0, oid.hash, &obj_context))
+ if (get_sha1_with_context(obj_name, GET_SHA1_RECORD_PATH,
+ oid.hash, &obj_context))
die("Not a valid object name %s", obj_name);
if (!path)
@@ -166,6 +167,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name,
write_or_die(1, buf, size);
free(buf);
+ free(obj_context.path);
return 0;
}
diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c
index 326f88b65..a570fea55 100644
--- a/builtin/diff-tree.c
+++ b/builtin/diff-tree.c
@@ -128,9 +128,11 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
}
/*
- * NOTE! We expect "a ^b" to be equal to "a..b", so we
- * reverse the order of the objects if the second one
- * is marked UNINTERESTING.
+ * NOTE! We expect "a..b" to expand to "^a b" but it is
+ * perfectly valid for revision range parser to yield "b ^a",
+ * which means the same thing. If we get the latter, i.e. the
+ * second one is marked UNINTERESTING, we recover the original
+ * order the user gave, i.e. "a..b", by swapping the trees.
*/
nr_sha1 = opt->pending.nr;
switch (nr_sha1) {
diff --git a/builtin/diff.c b/builtin/diff.c
index d184aafab..5e7c6428c 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -20,23 +20,22 @@
#define DIFF_NO_INDEX_EXPLICIT 1
#define DIFF_NO_INDEX_IMPLICIT 2
-struct blobinfo {
- struct object_id oid;
- const char *name;
- unsigned mode;
-};
-
static const char builtin_diff_usage[] =
"git diff [<options>] [<commit> [<commit>]] [--] [<path>...]";
+static const char *blob_path(struct object_array_entry *entry)
+{
+ return entry->path ? entry->path : entry->name;
+}
+
static void stuff_change(struct diff_options *opt,
unsigned old_mode, unsigned new_mode,
const struct object_id *old_oid,
const struct object_id *new_oid,
int old_oid_valid,
int new_oid_valid,
- const char *old_name,
- const char *new_name)
+ const char *old_path,
+ const char *new_path)
{
struct diff_filespec *one, *two;
@@ -47,16 +46,16 @@ static void stuff_change(struct diff_options *opt,
if (DIFF_OPT_TST(opt, REVERSE_DIFF)) {
SWAP(old_mode, new_mode);
SWAP(old_oid, new_oid);
- SWAP(old_name, new_name);
+ SWAP(old_path, new_path);
}
if (opt->prefix &&
- (strncmp(old_name, opt->prefix, opt->prefix_length) ||
- strncmp(new_name, opt->prefix, opt->prefix_length)))
+ (strncmp(old_path, opt->prefix, opt->prefix_length) ||
+ strncmp(new_path, opt->prefix, opt->prefix_length)))
return;
- one = alloc_filespec(old_name);
- two = alloc_filespec(new_name);
+ one = alloc_filespec(old_path);
+ two = alloc_filespec(new_path);
fill_filespec(one, old_oid->hash, old_oid_valid, old_mode);
fill_filespec(two, new_oid->hash, new_oid_valid, new_mode);
@@ -65,7 +64,7 @@ static void stuff_change(struct diff_options *opt,
static int builtin_diff_b_f(struct rev_info *revs,
int argc, const char **argv,
- struct blobinfo *blob)
+ struct object_array_entry **blob)
{
/* Blob vs file in the working tree*/
struct stat st;
@@ -84,14 +83,15 @@ static int builtin_diff_b_f(struct rev_info *revs,
diff_set_mnemonic_prefix(&revs->diffopt, "o/", "w/");
- if (blob[0].mode == S_IFINVALID)
- blob[0].mode = canon_mode(st.st_mode);
+ if (blob[0]->mode == S_IFINVALID)
+ blob[0]->mode = canon_mode(st.st_mode);
stuff_change(&revs->diffopt,
- blob[0].mode, canon_mode(st.st_mode),
- &blob[0].oid, &null_oid,
+ blob[0]->mode, canon_mode(st.st_mode),
+ &blob[0]->item->oid, &null_oid,
1, 0,
- path, path);
+ blob[0]->path ? blob[0]->path : path,
+ path);
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
return 0;
@@ -99,24 +99,24 @@ static int builtin_diff_b_f(struct rev_info *revs,
static int builtin_diff_blobs(struct rev_info *revs,
int argc, const char **argv,
- struct blobinfo *blob)
+ struct object_array_entry **blob)
{
unsigned mode = canon_mode(S_IFREG | 0644);
if (argc > 1)
usage(builtin_diff_usage);
- if (blob[0].mode == S_IFINVALID)
- blob[0].mode = mode;
+ if (blob[0]->mode == S_IFINVALID)
+ blob[0]->mode = mode;
- if (blob[1].mode == S_IFINVALID)
- blob[1].mode = mode;
+ if (blob[1]->mode == S_IFINVALID)
+ blob[1]->mode = mode;
stuff_change(&revs->diffopt,
- blob[0].mode, blob[1].mode,
- &blob[0].oid, &blob[1].oid,
+ blob[0]->mode, blob[1]->mode,
+ &blob[0]->item->oid, &blob[1]->item->oid,
1, 1,
- blob[0].name, blob[1].name);
+ blob_path(blob[0]), blob_path(blob[1]));
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
return 0;
@@ -259,7 +259,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
struct rev_info rev;
struct object_array ent = OBJECT_ARRAY_INIT;
int blobs = 0, paths = 0;
- struct blobinfo blob[2];
+ struct object_array_entry *blob[2];
int nongit = 0, no_index = 0;
int result = 0;
@@ -408,9 +408,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
} else if (obj->type == OBJ_BLOB) {
if (2 <= blobs)
die(_("more than two blobs given: '%s'"), name);
- hashcpy(blob[blobs].oid.hash, obj->oid.hash);
- blob[blobs].name = name;
- blob[blobs].mode = entry->mode;
+ blob[blobs] = entry;
blobs++;
} else {
diff --git a/builtin/grep.c b/builtin/grep.c
index 3ffb5b4e8..254c1c784 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -1190,7 +1190,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
break;
}
- if (get_sha1_with_context(arg, 0, oid.hash, &oc)) {
+ if (get_sha1_with_context(arg, GET_SHA1_RECORD_PATH,
+ oid.hash, &oc)) {
if (seen_dashdash)
die(_("unable to resolve revision: %s"), arg);
break;
@@ -1200,6 +1201,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
if (!seen_dashdash)
verify_non_filename(prefix, arg);
add_object_array_with_path(object, arg, &list, oc.mode, oc.path);
+ free(oc.path);
}
/*
diff --git a/builtin/log.c b/builtin/log.c
index ec3258368..57ce470f5 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -483,16 +483,20 @@ static int show_blob_object(const struct object_id *oid, struct rev_info *rev, c
!DIFF_OPT_TST(&rev->diffopt, ALLOW_TEXTCONV))
return stream_blob_to_fd(1, oid, NULL, 0);
- if (get_sha1_with_context(obj_name, 0, oidc.hash, &obj_context))
+ if (get_sha1_with_context(obj_name, GET_SHA1_RECORD_PATH,
+ oidc.hash, &obj_context))
die(_("Not a valid object name %s"), obj_name);
- if (!obj_context.path[0] ||
- !textconv_object(obj_context.path, obj_context.mode, &oidc, 1, &buf, &size))
+ if (!obj_context.path ||
+ !textconv_object(obj_context.path, obj_context.mode, &oidc, 1, &buf, &size)) {
+ free(obj_context.path);
return stream_blob_to_fd(1, oid, NULL, 0);
+ }
if (!buf)
die(_("git show %s: bad file"), obj_name);
write_or_die(1, buf, size);
+ free(obj_context.path);
return 0;
}
diff --git a/builtin/name-rev.c b/builtin/name-rev.c
index e7a3fe7ee..1767af750 100644
--- a/builtin/name-rev.c
+++ b/builtin/name-rev.c
@@ -13,6 +13,7 @@ typedef struct rev_name {
unsigned long taggerdate;
int generation;
int distance;
+ int from_tag;
} rev_name;
static long cutoff = LONG_MAX;
@@ -20,9 +21,47 @@ static long cutoff = LONG_MAX;
/* How many generations are maximally preferred over _one_ merge traversal? */
#define MERGE_TRAVERSAL_WEIGHT 65535
+static int is_better_name(struct rev_name *name,
+ const char *tip_name,
+ unsigned long taggerdate,
+ int generation,
+ int distance,
+ int from_tag)
+{
+ /*
+ * When comparing names based on tags, prefer names
+ * based on the older tag, even if it is farther away.
+ */
+ if (from_tag && name->from_tag)
+ return (name->taggerdate > taggerdate ||
+ (name->taggerdate == taggerdate &&
+ name->distance > distance));
+
+ /*
+ * We know that at least one of them is a non-tag at this point.
+ * favor a tag over a non-tag.
+ */
+ if (name->from_tag != from_tag)
+ return from_tag;
+
+ /*
+ * We are now looking at two non-tags. Tiebreak to favor
+ * shorter hops.
+ */
+ if (name->distance != distance)
+ return name->distance > distance;
+
+ /* ... or tiebreak to favor older date */
+ if (name->taggerdate != taggerdate)
+ return name->taggerdate > taggerdate;
+
+ /* keep the current one if we cannot decide */
+ return 0;
+}
+
static void name_rev(struct commit *commit,
const char *tip_name, unsigned long taggerdate,
- int generation, int distance,
+ int generation, int distance, int from_tag,
int deref)
{
struct rev_name *name = (struct rev_name *)commit->util;
@@ -46,14 +85,14 @@ static void name_rev(struct commit *commit,
name = xmalloc(sizeof(rev_name));
commit->util = name;
goto copy_data;
- } else if (name->taggerdate > taggerdate ||
- (name->taggerdate == taggerdate &&
- name->distance > distance)) {
+ } else if (is_better_name(name, tip_name, taggerdate,
+ generation, distance, from_tag)) {
copy_data:
name->tip_name = tip_name;
name->taggerdate = taggerdate;
name->generation = generation;
name->distance = distance;
+ name->from_tag = from_tag;
} else {
free(to_free);
return;
@@ -75,10 +114,12 @@ copy_data:
parent_number);
name_rev(parents->item, new_name, taggerdate, 0,
- distance + MERGE_TRAVERSAL_WEIGHT, 0);
+ distance + MERGE_TRAVERSAL_WEIGHT,
+ from_tag, 0);
} else {
name_rev(parents->item, tip_name, taggerdate,
- generation + 1, distance + 1, 0);
+ generation + 1, distance + 1,
+ from_tag, 0);
}
}
}
@@ -209,9 +250,13 @@ static int name_ref(const char *path, const struct object_id *oid, int flags, vo
}
if (o && o->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *)o;
+ int from_tag = starts_with(path, "refs/tags/");
+ if (taggerdate == ULONG_MAX)
+ taggerdate = ((struct commit *)o)->date;
path = name_ref_abbrev(path, can_abbreviate_output);
- name_rev(commit, xstrdup(path), taggerdate, 0, 0, deref);
+ name_rev(commit, xstrdup(path), taggerdate, 0, 0,
+ from_tag, deref);
}
return 0;
}
generated by cgit v1.2.1 (git 2.18.0) at 2025-04-09 12:26:27 +0000