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path-walk: allow consumer to specify object types

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We add the ability to filter the object types in the path-walk API so
the callback function is called fewer times.

This adds the ability to ask for the commits in a list, as well. We
re-use the empty string for this set of objects because these are passed
directly to the callback function instead of being part of the
'path_stack'.

Future changes will add the ability to visit annotated tags.

Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee
2024-12-20 16:21:12 +00:00
committed by Junio C Hamano
parent d190124f27
commit c8dba310d7
5 changed files with 170 additions and 50 deletions
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15
t/helper/test-path-walk.c
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@ -19,6 +19,8 @@ static const char * const path_walk_usage[] = {
struct path_walk_test_data {
uintmax_t batch_nr;
uintmax_t commit_nr;
uintmax_t tree_nr;
uintmax_t blob_nr;
};
@ -33,6 +35,8 @@ static int emit_block(const char *path, struct oid_array *oids,
tdata->tree_nr += oids->nr;
else if (type == OBJ_BLOB)
tdata->blob_nr += oids->nr;
else if (type == OBJ_COMMIT)
tdata->commit_nr += oids->nr;
else
BUG("we do not understand this type");
@ -54,6 +58,12 @@ int cmd__path_walk(int argc, const char **argv)
struct path_walk_info info = PATH_WALK_INFO_INIT;
struct path_walk_test_data data = { 0 };
struct option options[] = {
OPT_BOOL(0, "blobs", &info.blobs,
N_("toggle inclusion of blob objects")),
OPT_BOOL(0, "commits", &info.commits,
N_("toggle inclusion of commit objects")),
OPT_BOOL(0, "trees", &info.trees,
N_("toggle inclusion of tree objects")),
OPT_END(),
};
@ -75,9 +85,10 @@ int cmd__path_walk(int argc, const char **argv)
res = walk_objects_by_path(&info);
printf("trees:%" PRIuMAX "\n"
printf("commits:%" PRIuMAX "\n"
"trees:%" PRIuMAX "\n"
"blobs:%" PRIuMAX "\n",
data.tree_nr, data.blob_nr);
data.commit_nr, data.tree_nr, data.blob_nr);
release_revisions(&revs);
return res;