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builtin/repo: find tree with most entries

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The size of a tree object usually corresponds with the number of entries
it has. While iterating through objects in the repository for
git-repo-structure, identify the tree with the most entries and display
it in the output.

Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Justin Tobler
2026-02-23 11:41:20 -06:00
committed by Junio C Hamano
parent aa5b62a4c0
commit e6e026687e
2 changed files with 36 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
builtin/repo.c
View File

@@ -16,6 +16,8 @@
#include "strbuf.h"
#include "string-list.h"
#include "shallow.h"
#include "tree.h"
#include "tree-walk.h"
#include "utf8.h"
static const char *const repo_usage[] = {
@@ -211,6 +213,7 @@ struct largest_objects {
struct object_data blob_size;
struct object_data parent_count;
struct object_data tree_entries;
};
struct ref_stats {
@@ -458,6 +461,10 @@ static void stats_table_setup_structure(struct stats_table *table,
&objects->largest.tree_size.oid,
objects->largest.tree_size.value,
" * %s", _("Maximum size"));
stats_table_object_count_addf(table,
&objects->largest.tree_entries.oid,
objects->largest.tree_entries.value,
" * %s", _("Maximum entries"));
stats_table_addf(table, " * %s", _("Blobs"));
stats_table_object_size_addf(table,
&objects->largest.blob_size.oid,
@@ -619,6 +626,10 @@ static void structure_keyvalue_print(struct repo_structure *stats,
(uintmax_t)stats->objects.largest.parent_count.value, value_delim);
printf("objects.commits.max_parents_oid%c%s%c", key_delim,
oid_to_hex(&stats->objects.largest.parent_count.oid), value_delim);
printf("objects.trees.max_entries%c%" PRIuMAX "%c", key_delim,
(uintmax_t)stats->objects.largest.tree_entries.value, value_delim);
printf("objects.trees.max_entries_oid%c%s%c", key_delim,
oid_to_hex(&stats->objects.largest.tree_entries.oid), value_delim);
fflush(stdout);
}
@@ -697,6 +708,20 @@ static void check_largest(struct object_data *data, struct object_id *oid,
}
}
static size_t count_tree_entries(struct object *obj)
{
struct tree *t = object_as_type(obj, OBJ_TREE, 0);
struct name_entry entry;
struct tree_desc desc;
size_t count = 0;
init_tree_desc(&desc, &t->object.oid, t->buffer, t->size);
while (tree_entry(&desc, &entry))
count++;
return count;
}
static int count_objects(const char *path UNUSED, struct oid_array *oids,
enum object_type type, void *cb_data)
{
@@ -749,6 +774,8 @@ static int count_objects(const char *path UNUSED, struct oid_array *oids,
stats->disk_sizes.trees += disk;
check_largest(&stats->largest.tree_size, &oids->oid[i],
inflated);
check_largest(&stats->largest.tree_entries, &oids->oid[i],
count_tree_entries(obj));
break;
case OBJ_BLOB:
stats->type_counts.blobs++;

13
t/t1901-repo-structure.sh
View File

@@ -59,6 +59,7 @@ test_expect_success 'empty repository' '
| * Maximum parents | 0 |
| * Trees | |
| * Maximum size | 0 B |
| * Maximum entries | 0 |
| * Blobs | |
| * Maximum size | 0 B |
| * Tags | |
@@ -122,16 +123,18 @@ test_expect_success SHA1 'repository with references and objects' '
| * Maximum parents [2] | 1 |
| * Trees | |
| * Maximum size [3] | 32.29 KiB |
| * Maximum entries [4] | 1.01 k |
| * Blobs | |
| * Maximum size [4] | 13 B |
| * Maximum size [5] | 13 B |
| * Tags | |
| * Maximum size [5] | 132 B |
| * Maximum size [6] | 132 B |
[1] 0dc91eb18580102a3a216c8bfecedeba2b9f9b9a
[2] 0dc91eb18580102a3a216c8bfecedeba2b9f9b9a
[3] 60665251ab71dbd8c18d9bf2174f4ee0d58aa06c
[4] 97d808e45116bf02103490294d3d46dad7a2ac62
[5] 4dae4f5954f5e6feb3577cfb1b181daa3fd3afd2
[4] 60665251ab71dbd8c18d9bf2174f4ee0d58aa06c
[5] 97d808e45116bf02103490294d3d46dad7a2ac62
[6] 4dae4f5954f5e6feb3577cfb1b181daa3fd3afd2
EOF
git repo structure >out 2>err &&
@@ -176,6 +179,8 @@ test_expect_success SHA1 'keyvalue and nul format' '
objects.tags.max_size_oid=1ee0f2b16ea37d895dbe9dbd76cd2ac70446176c
objects.commits.max_parents=1
objects.commits.max_parents_oid=de3508174b5c2ace6993da67cae9be9069e2df39
objects.trees.max_entries=42
objects.trees.max_entries_oid=09931deea9d81ec21300d3e13c74412f32eacec5
EOF
git repo structure --format=keyvalue >out 2>err &&