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Free all used references in the source tree

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Since references are not owned by the repository anymore we have to free
them manually now.

Signed-off-by: schu <schu-github@schulog.org>
This commit is contained in:
schu 2011-08-11 19:38:13 +02:00 committed by Vicent Marti
parent 4fd89fa039
commit 75abd2b924
9 changed files with 165 additions and 18 deletions
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15
src/commit.c
View File

@ -145,8 +145,10 @@ int git_commit_create(
error = git_reference_resolve(&target, head);
if (error < GIT_SUCCESS) {
if (error != GIT_ENOTFOUND)
if (error != GIT_ENOTFOUND) {
git_reference_free(head);
return git__rethrow(error, "Failed to create commit");
}
/*
* The target of the reference was not found. This can happen
* just after a repository has been initialized (the master
@ -154,10 +156,19 @@ int git_commit_create(
* point to) or after an orphan checkout, so if the target
* branch doesn't exist yet, create it and return.
*/
return git_reference_create_oid(&head, repo, git_reference_target(head), oid, 1);
error = git_reference_create_oid(&target, repo, git_reference_target(head), oid, 1);
git_reference_free(head);
if (error == GIT_SUCCESS)
git_reference_free(target);
return error;
}
error = git_reference_set_oid(target, oid);
git_reference_free(head);
git_reference_free(target);
}
if (error < GIT_SUCCESS)

6
src/reflog.c
View File

@ -218,8 +218,12 @@ int git_reflog_write(git_reference *ref, const git_oid *oid_old,
return git__rethrow(error, "Failed to write reflog. Cannot resolve reference `%s`", ref->name);
oid = git_reference_oid(r);
if (oid == NULL)
if (oid == NULL) {
git_reference_free(r);
return git__throw(GIT_ERROR, "Failed to write reflog. Cannot resolve reference `%s`", r->name);
}
git_reference_free(r);
git_oid_to_string(new, GIT_OID_HEXSZ+1, oid);

42
src/repository.c
View File

@ -603,8 +603,14 @@ static int repo_init_reinit(const char *repository_path, int is_bare)
static int repo_init_createhead(git_repository *repo)
{
int error;
git_reference *head_reference;
return git_reference_create_symbolic(&head_reference, repo, GIT_HEAD_FILE, GIT_REFS_HEADS_MASTER_FILE, 0);
error = git_reference_create_symbolic(&head_reference, repo, GIT_HEAD_FILE, GIT_REFS_HEADS_MASTER_FILE, 0);
git_reference_free(head_reference);
return error;
}
static int repo_init_structure(const char *git_dir, int is_bare)
@ -715,10 +721,15 @@ int git_repository_head_detached(git_repository *repo)
if (error < GIT_SUCCESS)
return error;
if (git_reference_type(ref) == GIT_REF_SYMBOLIC)
if (git_reference_type(ref) == GIT_REF_SYMBOLIC) {
git_reference_free(ref);
return 0;
}
error = git_odb_read_header(&_size, &type, repo->db, git_reference_oid(ref));
git_reference_free(ref);
if (error < GIT_SUCCESS)
return error;
@ -730,7 +741,7 @@ int git_repository_head_detached(git_repository *repo)
int git_repository_head(git_reference **head_out, git_repository *repo)
{
git_reference *ref;
git_reference *ref, *resolved_ref;
int error;
*head_out = NULL;
@ -739,11 +750,15 @@ int git_repository_head(git_reference **head_out, git_repository *repo)
if (error < GIT_SUCCESS)
return git__rethrow(GIT_ENOTAREPO, "Failed to locate the HEAD");
error = git_reference_resolve(&ref, ref);
if (error < GIT_SUCCESS)
error = git_reference_resolve(&resolved_ref, ref);
if (error < GIT_SUCCESS) {
git_reference_free(ref);
return git__rethrow(error, "Failed to resolve the HEAD");
}
*head_out = ref;
git_reference_free(ref);
*head_out = resolved_ref;
return GIT_SUCCESS;
}
@ -754,6 +769,9 @@ int git_repository_head_orphan(git_repository *repo)
error = git_repository_head(&ref, repo);
if (error == GIT_SUCCESS)
git_reference_free(ref);
return error == GIT_ENOTFOUND ? 1 : error;
}
@ -766,13 +784,21 @@ int git_repository_is_empty(git_repository *repo)
if (error < GIT_SUCCESS)
return git__throw(error, "Corrupted repository. HEAD does not exist");
if (git_reference_type(head) != GIT_REF_SYMBOLIC)
if (git_reference_type(head) != GIT_REF_SYMBOLIC) {
git_reference_free(head);
return 0;
}
if (strcmp(git_reference_target(head), "refs/heads/master") != 0)
if (strcmp(git_reference_target(head), "refs/heads/master") != 0) {
git_reference_free(head);
return 0;
}
error = git_reference_resolve(&branch, head);
git_reference_free(head);
git_reference_free(branch);
return error == GIT_ENOTFOUND ? 1 : error;
}

24
src/tag.c
View File

@ -153,6 +153,8 @@ static int retrieve_tag_reference(git_reference **tag_reference_out, char *ref_n
git_reference *tag_ref;
int error;
*tag_reference_out = NULL;
git_path_join(ref_name_out, GIT_REFS_TAGS_DIR, tag_name);
error = git_reference_lookup(&tag_ref, repo, ref_name_out);
if (error < GIT_SUCCESS)
@ -224,6 +226,7 @@ static int git_tag_create__internal(
break;
default:
git_reference_free(new_ref);
return git__rethrow(error, "Failed to create tag");
}
@ -232,6 +235,7 @@ static int git_tag_create__internal(
if (new_ref != NULL) {
if (!allow_ref_overwrite) {
git_oid_cpy(oid, git_reference_oid(new_ref));
git_reference_free(new_ref);
return git__throw(GIT_EEXISTS, "Tag already exists");
} else {
should_update_ref = 1;
@ -239,8 +243,10 @@ static int git_tag_create__internal(
}
if (create_tag_annotation) {
if ((error = write_tag_annotation(oid, repo, tag_name, target, tagger, message)) < GIT_SUCCESS)
if ((error = write_tag_annotation(oid, repo, tag_name, target, tagger, message)) < GIT_SUCCESS) {
git_reference_free(new_ref);
return error;
}
} else
git_oid_cpy(oid, git_object_id(target));
@ -249,6 +255,8 @@ static int git_tag_create__internal(
else
error = git_reference_set_oid(new_ref, oid);
git_reference_free(new_ref);
return error == GIT_SUCCESS ? GIT_SUCCESS : git__rethrow(error, "Failed to create tag");
}
@ -281,7 +289,7 @@ int git_tag_create_frombuffer(git_oid *oid, git_repository *repo, const char *bu
git_odb_stream *stream;
git_odb_object *target_obj;
git_reference *new_ref;
git_reference *new_ref = NULL;
char ref_name[GIT_REFNAME_MAX];
assert(oid && buffer);
@ -309,6 +317,7 @@ int git_tag_create_frombuffer(git_oid *oid, git_repository *repo, const char *bu
break;
default:
git_reference_free(new_ref);
return git__rethrow(error, "Failed to create tag");
}
@ -317,6 +326,7 @@ int git_tag_create_frombuffer(git_oid *oid, git_repository *repo, const char *bu
if (new_ref != NULL) {
if (!allow_ref_overwrite) {
git_oid_cpy(oid, git_reference_oid(new_ref));
git_reference_free(new_ref);
return git__throw(GIT_EEXISTS, "Tag already exists");
} else {
should_update_ref = 1;
@ -324,22 +334,28 @@ int git_tag_create_frombuffer(git_oid *oid, git_repository *repo, const char *bu
}
/* write the buffer */
if ((error = git_odb_open_wstream(&stream, repo->db, strlen(buffer), GIT_OBJ_TAG)) < GIT_SUCCESS)
if ((error = git_odb_open_wstream(&stream, repo->db, strlen(buffer), GIT_OBJ_TAG)) < GIT_SUCCESS) {
git_reference_free(new_ref);
return git__rethrow(error, "Failed to create tag");
}
stream->write(stream, buffer, strlen(buffer));
error = stream->finalize_write(oid, stream);
stream->free(stream);
if (error < GIT_SUCCESS)
if (error < GIT_SUCCESS) {
git_reference_free(new_ref);
return git__rethrow(error, "Failed to create tag");
}
if (!should_update_ref)
error = git_reference_create_oid(&new_ref, repo, ref_name, oid, 0);
else
error = git_reference_set_oid(new_ref, oid);
git_reference_free(new_ref);
git_signature_free(tag.tagger);
git__free(tag.tag_name);
git__free(tag.message);

7
src/transports/local.c
View File

@ -54,7 +54,7 @@ static int add_ref(const char *name, git_repository *repo, git_vector *vec)
{
const char peeled[] = "^{}";
git_remote_head *head;
git_reference *ref;
git_reference *ref, *resolved_ref;
git_object *obj = NULL;
int error = GIT_SUCCESS, peel_len, ret;
@ -72,7 +72,7 @@ static int add_ref(const char *name, git_repository *repo, git_vector *vec)
if (error < GIT_SUCCESS)
goto out;
error = git_reference_resolve(&ref, ref);
error = git_reference_resolve(&resolved_ref, ref);
if (error < GIT_SUCCESS)
goto out;
@ -111,6 +111,9 @@ static int add_ref(const char *name, git_repository *repo, git_vector *vec)
goto out;
out:
git_reference_free(ref);
git_reference_free(resolved_ref);
git_object_close(obj);
if (error < GIT_SUCCESS) {
git__free(head->name);

2
tests/t04-commit.c
View File

@ -766,6 +766,8 @@ BEGIN_TEST(root0, "create a root commit")
git__free(head_old);
git_commit_close(commit);
git_repository_free(repo);
git_reference_free(head);
END_TEST
BEGIN_SUITE(commit)

6
tests/t08-tag.c
View File

@ -197,7 +197,6 @@ BEGIN_TEST(write0, "write a tag to the repository and read it again")
git_tag_close(tag);
git_repository_free(repo);
END_TEST
BEGIN_TEST(write2, "Attempt to write a tag bearing the same name than an already existing tag")
@ -266,6 +265,7 @@ BEGIN_TEST(write3, "Replace an already existing tag")
close_temp_repo(repo);
git_reference_free(ref_tag);
END_TEST
BEGIN_TEST(write4, "write a lightweight tag to the repository and read it again")
@ -296,6 +296,8 @@ BEGIN_TEST(write4, "write a lightweight tag to the repository and read it again"
must_pass(git_tag_delete(repo, "light-tag"));
git_repository_free(repo);
git_reference_free(ref_tag);
END_TEST
BEGIN_TEST(write5, "Attempt to write a lightweight tag bearing the same name than an already existing tag")
@ -334,6 +336,8 @@ BEGIN_TEST(delete0, "Delete an already existing tag")
must_fail(git_reference_lookup(&ref_tag, repo, "refs/tags/e90810b"));
close_temp_repo(repo);
git_reference_free(ref_tag);
END_TEST
BEGIN_SUITE(tag)

77
tests/t10-refs.c
View File

@ -56,6 +56,8 @@ BEGIN_TEST(readtag0, "lookup a loose tag reference")
git_object_close(object);
git_repository_free(repo);
git_reference_free(reference);
END_TEST
BEGIN_TEST(readtag1, "lookup a loose tag reference that doesn't exist")
@ -66,6 +68,8 @@ BEGIN_TEST(readtag1, "lookup a loose tag reference that doesn't exist")
must_fail(git_reference_lookup(&reference, repo, non_existing_tag_ref_name));
git_repository_free(repo);
git_reference_free(reference);
END_TEST
static const char *head_tracker_sym_ref_name = "head-tracker";
@ -97,6 +101,9 @@ BEGIN_TEST(readsym0, "lookup a symbolic reference")
git_object_close(object);
git_repository_free(repo);
git_reference_free(reference);
git_reference_free(resolved_ref);
END_TEST
BEGIN_TEST(readsym1, "lookup a nested symbolic reference")
@ -124,6 +131,9 @@ BEGIN_TEST(readsym1, "lookup a nested symbolic reference")
git_object_close(object);
git_repository_free(repo);
git_reference_free(reference);
git_reference_free(resolved_ref);
END_TEST
BEGIN_TEST(readsym2, "lookup the HEAD and resolve the master branch")
@ -145,6 +155,10 @@ BEGIN_TEST(readsym2, "lookup the HEAD and resolve the master branch")
must_pass(git_oid_cmp(git_reference_oid(comp_base_ref), git_reference_oid(resolved_ref)));
git_repository_free(repo);
git_reference_free(reference);
git_reference_free(resolved_ref);
git_reference_free(comp_base_ref);
END_TEST
BEGIN_TEST(readsym3, "lookup the master branch and then the HEAD")
@ -160,6 +174,10 @@ BEGIN_TEST(readsym3, "lookup the master branch and then the HEAD")
must_pass(git_oid_cmp(git_reference_oid(master_ref), git_reference_oid(resolved_ref)));
git_repository_free(repo);
git_reference_free(reference);
git_reference_free(resolved_ref);
git_reference_free(master_ref);
END_TEST
static const char *packed_head_name = "refs/heads/packed";
@ -183,6 +201,8 @@ BEGIN_TEST(readpacked0, "lookup a packed reference")
git_object_close(object);
git_repository_free(repo);
git_reference_free(reference);
END_TEST
BEGIN_TEST(readpacked1, "assure that a loose reference is looked up before a packed reference")
@ -197,6 +217,8 @@ BEGIN_TEST(readpacked1, "assure that a loose reference is looked up before a pac
must_be_true(strcmp(reference->name, packed_test_head_name) == 0);
git_repository_free(repo);
git_reference_free(reference);
END_TEST
BEGIN_TEST(create0, "create a new symbolic reference")
@ -240,6 +262,10 @@ BEGIN_TEST(create0, "create a new symbolic reference")
must_be_true(git_oid_cmp(&id, git_reference_oid(resolved_ref)) == 0);
close_temp_repo(repo2);
git_reference_free(new_reference);
git_reference_free(looked_up_ref);
git_reference_free(resolved_ref);
END_TEST
BEGIN_TEST(create1, "create a deep symbolic reference")
@ -261,6 +287,10 @@ BEGIN_TEST(create1, "create a deep symbolic reference")
must_be_true(git_oid_cmp(&id, git_reference_oid(resolved_ref)) == 0);
close_temp_repo(repo);
git_reference_free(new_reference);
git_reference_free(looked_up_ref);
git_reference_free(resolved_ref);
END_TEST
BEGIN_TEST(create2, "create a new OID reference")
@ -299,6 +329,9 @@ BEGIN_TEST(create2, "create a new OID reference")
must_be_true(git_oid_cmp(&id, git_reference_oid(looked_up_ref)) == 0);
close_temp_repo(repo2);
git_reference_free(new_reference);
git_reference_free(looked_up_ref);
END_TEST
BEGIN_TEST(create3, "Can not create a new OID reference which targets at an unknown id")
@ -349,6 +382,9 @@ BEGIN_TEST(overwrite0, "Overwrite an existing symbolic reference")
must_be_true(!strcmp(git_reference_target(ref), ref_master_name));
close_temp_repo(repo);
git_reference_free(ref);
git_reference_free(branch_ref);
END_TEST
BEGIN_TEST(overwrite1, "Overwrite an existing object id reference")
@ -378,6 +414,8 @@ BEGIN_TEST(overwrite1, "Overwrite an existing object id reference")
must_be_true(!git_oid_cmp(&id, git_reference_oid(ref)));
close_temp_repo(repo);
git_reference_free(ref);
END_TEST
BEGIN_TEST(overwrite2, "Overwrite an existing object id reference with a symbolic one")
@ -401,6 +439,8 @@ BEGIN_TEST(overwrite2, "Overwrite an existing object id reference with a symboli
must_be_true(!strcmp(git_reference_target(ref), ref_master_name));
close_temp_repo(repo);
git_reference_free(ref);
END_TEST
BEGIN_TEST(overwrite3, "Overwrite an existing symbolic reference with an object id one")
@ -426,6 +466,8 @@ BEGIN_TEST(overwrite3, "Overwrite an existing symbolic reference with an object
must_be_true(!git_oid_cmp(git_reference_oid(ref), &id));
close_temp_repo(repo);
git_reference_free(ref);
END_TEST
BEGIN_TEST(pack0, "create a packfile for an empty folder")
@ -475,6 +517,8 @@ BEGIN_TEST(pack1, "create a packfile from all the loose rn a repo")
must_pass(!git_futils_exists(temp_path));
close_temp_repo(repo);
git_reference_free(reference);
END_TEST
BEGIN_TEST(rename0, "rename a loose reference")
@ -515,6 +559,9 @@ BEGIN_TEST(rename0, "rename a loose reference")
must_pass(git_futils_exists(temp_path));
close_temp_repo(repo);
git_reference_free(looked_up_ref);
git_reference_free(another_looked_up_ref);
END_TEST
BEGIN_TEST(rename1, "rename a packed reference (should make it loose)")
@ -555,6 +602,9 @@ BEGIN_TEST(rename1, "rename a packed reference (should make it loose)")
must_pass(git_futils_exists(temp_path));
close_temp_repo(repo);
git_reference_free(looked_up_ref);
git_reference_free(another_looked_up_ref);
END_TEST
BEGIN_TEST(rename2, "renaming a packed reference does not pack another reference which happens to be in both loose and pack state")
@ -594,6 +644,9 @@ BEGIN_TEST(rename2, "renaming a packed reference does not pack another reference
must_pass(git_futils_exists(temp_path));
close_temp_repo(repo);
git_reference_free(looked_up_ref);
git_reference_free(another_looked_up_ref);
END_TEST
BEGIN_TEST(rename3, "can not rename a reference with the name of an existing reference")
@ -613,6 +666,8 @@ BEGIN_TEST(rename3, "can not rename a reference with the name of an existing ref
must_be_true(!strcmp(looked_up_ref->name, packed_head_name));
close_temp_repo(repo);
git_reference_free(looked_up_ref);
END_TEST
BEGIN_TEST(rename4, "can not rename a reference with an invalid name")
@ -635,6 +690,8 @@ BEGIN_TEST(rename4, "can not rename a reference with an invalid name")
must_be_true(!strcmp(looked_up_ref->name, packed_test_head_name));
close_temp_repo(repo);
git_reference_free(looked_up_ref);
END_TEST
BEGIN_TEST(rename5, "can force-rename a packed reference with the name of an existing loose and packed reference")
@ -660,6 +717,8 @@ BEGIN_TEST(rename5, "can force-rename a packed reference with the name of an exi
must_fail(git_reference_lookup(&looked_up_ref, repo, packed_head_name));
close_temp_repo(repo);
git_reference_free(looked_up_ref);
END_TEST
BEGIN_TEST(rename6, "can force-rename a loose reference with the name of an existing loose reference")
@ -685,6 +744,8 @@ BEGIN_TEST(rename6, "can force-rename a loose reference with the name of an exis
must_fail(git_reference_lookup(&looked_up_ref, repo, "refs/heads/br2"));
close_temp_repo(repo);
git_reference_free(looked_up_ref);
END_TEST
static const char *ref_one_name = "refs/heads/one/branch";
@ -717,6 +778,11 @@ BEGIN_TEST(rename7, "can not overwrite name of existing reference")
must_fail(git_reference_lookup(&ref_one_new, repo, ref_one_name_new));
close_temp_repo(repo);
git_reference_free(ref);
git_reference_free(ref_one);
git_reference_free(ref_one_new);
git_reference_free(ref_two);
END_TEST
static const char *ref_two_name_new = "refs/heads/two/two";
@ -748,6 +814,10 @@ BEGIN_TEST(rename8, "can be renamed to a new name prefixed with the old name")
must_fail(git_reference_lookup(&looked_up_ref, repo, ref_two_name));
close_temp_repo(repo);
git_reference_free(ref);
git_reference_free(ref_two);
git_reference_free(looked_up_ref);
END_TEST
BEGIN_TEST(rename9, "can move a reference to a upper reference hierarchy")
@ -806,6 +876,8 @@ BEGIN_TEST(delete0, "deleting a ref which is both packed and loose should remove
must_pass(!git_futils_exists(temp_path));
close_temp_repo(repo);
git_reference_free(another_looked_up_ref);
END_TEST
BEGIN_TEST(delete1, "can delete a just packed reference")
@ -1132,6 +1204,9 @@ BEGIN_TEST(reflog0, "write a reflog for a given reference and ensure it can be r
git_signature_free(committer);
git_reflog_free(reflog);
close_temp_repo(repo2);
git_reference_free(ref);
git_reference_free(lookedup_ref);
END_TEST
BEGIN_TEST(reflog1, "avoid writing an obviously wrong reflog")
@ -1160,6 +1235,8 @@ BEGIN_TEST(reflog1, "avoid writing an obviously wrong reflog")
git_signature_free(committer);
close_temp_repo(repo);
git_reference_free(ref);
END_TEST
BEGIN_SUITE(refs)

4
tests/t12-repo.c
View File

@ -286,6 +286,8 @@ BEGIN_TEST(detached0, "test if HEAD is detached")
must_be_true(git_repository_head_detached(repo) == 0);
git_repository_free(repo);
git_reference_free(ref);
END_TEST
BEGIN_TEST(orphan0, "test if HEAD is orphan")
@ -305,6 +307,8 @@ BEGIN_TEST(orphan0, "test if HEAD is orphan")
must_be_true(git_repository_head_orphan(repo) == 0);
git_repository_free(repo);
git_reference_free(ref);
END_TEST
#define DISCOVER_FOLDER TEMP_REPO_FOLDER "discover.git"