Class: Rugged::Commit

Inherits:
RuggedObject
  • Object
show all
Defined in:
lib/rugged/commit.rb,
ext/rugged/rugged_commit.c

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.create(repository, data = {}) ⇒ Object

Write a new Commit object to repository, with the given data arguments, passed as a Hash:

  • :message: a string with the full text for the commit’s message

  • :committer (optional): a hash with the signature for the committer, defaults to the signature from the configuration

  • :author (optional): a hash with the signature for the author, defaults to the signature from the configuration

  • :parents: an Array with zero or more parents for this commit, represented as Rugged::Commit instances, or OID String.

  • :tree: the tree for this commit, represented as a Rugged::Tree instance or an OID String.

  • :update_ref (optional): a String with the name of a reference in the repository which should be updated to point to this commit (e.g. “HEAD”)

When the commit is successfully written to disk, its oid will be returned as a hex String.

author = {:email=>"[email protected]", :time=>Time.now, :name=>"Vicent Mart\303\255"}

Rugged::Commit.create(r,
  :author => author,
  :message => "Hello world\n\n",
  :committer => author,
  :parents => ["2cb831a8aea28b2c1b9c63385585b864e4d3bad1"],
  :tree => some_tree) #=> "f148106ca58764adc93ad4e2d6b1d168422b9796"



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# File 'ext/rugged/rugged_commit.c', line 485

static VALUE rb_git_commit_create(VALUE self, VALUE rb_repo, VALUE rb_data)
{
	int error = 0;
	struct commit_data commit_data = { Qnil };
	git_oid commit_oid;
	git_repository *repo;

	Check_Type(rb_data, T_HASH);

	rugged_check_repo(rb_repo);
	Data_Get_Struct(rb_repo, git_repository, repo);

	if ((error = parse_commit_options(&commit_data, repo, rb_data)) < 0)
		goto cleanup;

	error = git_commit_create(
		&commit_oid,
		repo,
		commit_data.update_ref,
		commit_data.author,
		commit_data.committer,
		NULL,
		commit_data.message,
		commit_data.tree,
		commit_data.parent_count,
		commit_data.parents);

cleanup:
	free_commit_options(&commit_data);
	if (!NIL_P(commit_data.rb_err_obj))
		rb_exc_raise(commit_data.rb_err_obj);

	rugged_exception_check(error);

	return rugged_create_oid(&commit_oid);
}

.create_to_s(repository, data = {}) ⇒ String

Create a string with the contents of the commit, created with the given data arguments, passed as a Hash:

  • :message: a string with the full text for the commit’s message

  • :committer (optional): a hash with the signature for the committer, defaults to the signature from the configuration

  • :author (optional): a hash with the signature for the author, defaults to the signature from the configuration

  • :parents: an Array with zero or more parents for this commit, represented as Rugged::Commit instances, or OID String.

  • :tree: the tree for this commit, represented as a Rugged::Tree instance or an OID String.

    author = :time=>Time.now, :name=>“Vicent Mart303255”

    Rugged::Commit.create(r,

    :author => author,
:message => "Hello world\n\n",
:committer => author,
:parents => ["2cb831a8aea28b2c1b9c63385585b864e4d3bad1"],
:tree => some_tree) #=> "tree some_tree\nparent 2cb831...."

Returns:

  • (String) 


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# File 'ext/rugged/rugged_commit.c', line 734

static VALUE rb_git_commit_create_to_s(VALUE self, VALUE rb_repo, VALUE rb_data)
{
	int error = 0;
	struct commit_data commit_data = { Qnil };
	git_repository *repo;
	git_buf buf = { 0 };
	VALUE ret;

	Check_Type(rb_data, T_HASH);

	rugged_check_repo(rb_repo);
	Data_Get_Struct(rb_repo, git_repository, repo);

	if ((error = parse_commit_options(&commit_data, repo, rb_data)) < 0)
		goto cleanup;

	error = git_commit_create_buffer(
		&buf,
		repo,
		commit_data.author,
		commit_data.committer,
		NULL,
		commit_data.message,
		commit_data.tree,
		commit_data.parent_count,
		commit_data.parents);

cleanup:
	free_commit_options(&commit_data);
	if (!NIL_P(commit_data.rb_err_obj))
		rb_exc_raise(commit_data.rb_err_obj);

	rugged_exception_check(error);

	ret = rb_str_new_utf8(buf.ptr);
	git_buf_free(&buf);

	return ret;
}

.create_with_signature(repo, content, signature, field_name = "gpgsig") ⇒ Object

Create a commit from the content string and the signature, adding this data to the field_name header field in the resulting commit.

Returns the new commit’s object id.



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# File 'ext/rugged/rugged_commit.c', line 785

static VALUE rb_git_commit_create_with_signature(int argc, VALUE *argv, VALUE self)
{
	int error;
	git_oid id;
	const char *field = NULL;
	git_repository *repo;
	VALUE rb_repo, rb_content, rb_signature, rb_field = Qnil;

	rb_scan_args(argc, argv, "31", &rb_repo, &rb_content, &rb_signature, &rb_field);

	rugged_check_repo(rb_repo);
	Data_Get_Struct(rb_repo, git_repository, repo);

	Check_Type(rb_content, T_STRING);
	Check_Type(rb_signature, T_STRING);

	if (!NIL_P(rb_field)) {
		Check_Type(rb_field, T_STRING);
		field = StringValueCStr(rb_field);
	}

	error = git_commit_create_with_signature(&id, repo, StringValueCStr(rb_content), StringValueCStr(rb_signature), field);
	rugged_exception_check(error);

	return rugged_create_oid(&id);
}

.extract_signature(repo, commit, field_name) ⇒ Array

Returns commit‘s signature in ’field’ and the signed data

The signature is done over the contents of the commit without the signature block in the header, which is the data in the second element in the return array.

Returns:

  • (Array) 


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# File 'ext/rugged/rugged_commit.c', line 668

static VALUE rb_git_commit_extract_signature(int argc, VALUE *argv, VALUE self)
{
	int error;
	VALUE ret;
	git_oid commit_id;
	const char *field;
	git_repository *repo;
	git_buf signature = {0}, signed_data = {0};
	VALUE rb_repo, rb_commit, rb_field = Qnil;

	rb_scan_args(argc, argv, "21", &rb_repo, &rb_commit, &rb_field);

	rugged_check_repo(rb_repo);
	Data_Get_Struct(rb_repo, git_repository, repo);

	error = git_oid_fromstr(&commit_id, StringValueCStr(rb_commit));
	rugged_exception_check(error);

	field = NIL_P(rb_field) ? NULL : StringValueCStr(rb_field);
	error = git_commit_extract_signature(&signature, &signed_data, repo, &commit_id, field);
	if (error < 0) {
		git_buf_free(&signature);
		git_buf_free(&signed_data);
	}

	if (error == GIT_ENOTFOUND && giterr_last()->klass == GITERR_OBJECT ) {
		ret = Qnil;
	} else {
		rugged_exception_check(error);

		ret = rb_ary_new3(2, rb_str_new(signature.ptr, signature.size),
				     rb_str_new(signed_data.ptr, signed_data.size));
	}

	git_buf_free(&signature);
	git_buf_free(&signed_data);

	return ret;
}

.prettify_message(msg, strip_comments = true) ⇒ Object 



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# File 'lib/rugged/commit.rb', line 9

def self.prettify_message(msg, strip_comments = true)
  Rugged::prettify_message(msg, strip_comments)
end

Instance Method Details

#amend(data = {}) ⇒ Object

Amend a commit object, with the given data arguments, passed as a Hash:

  • :message: a string with the full text for the commit’s message

  • :committer (optional): a hash with the signature for the committer, defaults to the signature from the configuration

  • :author (optional): a hash with the signature for the author, defaults to the signature from the configuration

  • :tree: the tree for this amended commit, represented as a Rugged::Tree instance or an OID String.

  • :update_ref (optional): a String with the name of a reference in the

repository which should be updated to point to this amended commit (e.g. “HEAD”)

When the amended commit is successfully written to disk, its oid will be returned as a hex String.

author = {:email=>"[email protected]", :time=>Time.now, :name=>"Vicent Mart\303\255"}

commit.amend(
  :author => author,
  :message => "Updated Hello world\n\n",
  :committer => author,
  :tree => some_tree) #=> "f148106ca58764adc93ad4e2d6b1d168422b9796"



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# File 'ext/rugged/rugged_commit.c', line 286

static VALUE rb_git_commit_amend(VALUE self, VALUE rb_data)
{
	VALUE rb_message, rb_tree, rb_ref, owner;
	int error = 0;
	git_commit *commit_to_amend;
	char *message = NULL;
	git_tree *tree = NULL;
	git_signature *author = NULL, *committer = NULL;
	git_oid commit_oid;
	git_repository *repo;
	const char *update_ref = NULL;

	Check_Type(rb_data, T_HASH);

	Data_Get_Struct(self, git_commit, commit_to_amend);

	owner = rugged_owner(self);
	Data_Get_Struct(owner, git_repository, repo);

	rb_ref = rb_hash_aref(rb_data, CSTR2SYM("update_ref"));
	if (!NIL_P(rb_ref)) {
		Check_Type(rb_ref, T_STRING);
		update_ref = StringValueCStr(rb_ref);
	}

	rb_message = rb_hash_aref(rb_data, CSTR2SYM("message"));
	if (!NIL_P(rb_message)) {
		Check_Type(rb_message, T_STRING);
		message = StringValueCStr(rb_message);
	}

	rb_tree = rb_hash_aref(rb_data, CSTR2SYM("tree"));
	if (!NIL_P(rb_tree))
		tree = (git_tree *)rugged_object_get(repo, rb_tree, GIT_OBJ_TREE);

	if (!NIL_P(rb_hash_aref(rb_data, CSTR2SYM("committer")))) {
		committer = rugged_signature_get(
			rb_hash_aref(rb_data, CSTR2SYM("committer")), repo
		);
	}

	if (!NIL_P(rb_hash_aref(rb_data, CSTR2SYM("author")))) {
		author = rugged_signature_get(
			rb_hash_aref(rb_data, CSTR2SYM("author")), repo
		);
	}

	error = git_commit_amend(
		&commit_oid,
		commit_to_amend,
		update_ref,
		author,
		committer,
		NULL,
		message,
		tree);

	git_signature_free(author);
	git_signature_free(committer);

	git_object_free((git_object *)tree);

	rugged_exception_check(error);

	return rugged_create_oid(&commit_oid);
}

#author ⇒ Object

Return the signature for the author of this commit. The signature is returned as a Hash containing :name, :email of the author and :time of the change.

The author of the commit is the person who intially created the changes.

In Ruby 1.9+, the returned string will be encoded with the encoding specified in the Encoding header of the commit, if available.

commit.author #=> {:email=>"[email protected]", :time=>Tue Jan 24 05:42:45 UTC 2012, :name=>"Vicent Mart\303\255"}



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# File 'ext/rugged/rugged_commit.c', line 117

static VALUE rb_git_commit_author_GET(VALUE self)
{
	git_commit *commit;
	Data_Get_Struct(self, git_commit, commit);

	return rugged_signature_new(
		git_commit_author(commit),
		git_commit_message_encoding(commit));
}

#committer ⇒ Object

Return the signature for the committer of this commit. The signature is returned as a Hash containing :name, :email of the author and :time of the change.

The committer of a commit is the person who actually applied the changes of the commit; in most cases it’s the same as the author.

In Ruby 1.9+, the returned string will be encoded with the encoding specified in the Encoding header of the commit, if available.

commit.committer #=> {:email=>"[email protected]", :time=>Tue Jan 24 05:42:45 UTC 2012, :name=>"Vicent Mart\303\255"}



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# File 'ext/rugged/rugged_commit.c', line 92

static VALUE rb_git_commit_committer_GET(VALUE self)
{
	git_commit *commit;
	Data_Get_Struct(self, git_commit, commit);

	return rugged_signature_new(
		git_commit_committer(commit),
		git_commit_message_encoding(commit));
}

#diff(*args) ⇒ Object

Return a diff between this commit and its first parent or another commit or tree.

See Rugged::Tree#diff for more details.



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# File 'lib/rugged/commit.rb', line 24

def diff(*args)
  args.unshift(parents.first) if args.size == 1 && args.first.is_a?(Hash)
  self.tree.diff(*args)
end

#diff_workdir(options = {}) ⇒ Object

Return a diff between this commit and the workdir.

See Rugged::Tree#diff_workdir for more details.



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# File 'lib/rugged/commit.rb', line 32

def diff_workdir(options = {})
  self.tree.diff_workdir(options)
end

#epoch_time ⇒ Integer

Return the time when this commit was made effective. This is the same value as the :time attribute for commit.committer, but represented as an Integer value in seconds since the Epoch.

commit.time #=> 1327383765

Returns:

  • (Integer) 


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# File 'ext/rugged/rugged_commit.c', line 137

static VALUE rb_git_commit_epoch_time_GET(VALUE self)
{
	git_commit *commit;
	Data_Get_Struct(self, git_commit, commit);

	return ULONG2NUM(git_commit_time(commit));
}

#header ⇒ String

Returns commit‘s entire raw header.

Returns:

  • (String) 


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# File 'ext/rugged/rugged_commit.c', line 647

static VALUE rb_git_commit_header(VALUE self)
{
	git_commit *commit;
	const char *raw_header;

	Data_Get_Struct(self, git_commit, commit);

	raw_header = git_commit_raw_header(commit);
	return rb_str_new_utf8(raw_header);
}

#header_field(field_name) ⇒ String

Returns commit‘s header field value.

Returns:

  • (String) 


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# File 'ext/rugged/rugged_commit.c', line 609

static VALUE rb_git_commit_header_field(VALUE self, VALUE rb_field)
{
	git_buf header_field = { 0 };
	git_commit *commit = NULL;

	const char *encoding_name;
	rb_encoding *encoding = rb_utf8_encoding();
	VALUE rb_result;

	int error;

	Check_Type(rb_field, T_STRING);
	Data_Get_Struct(self, git_commit, commit);

	error = git_commit_header_field(&header_field, commit, StringValueCStr(rb_field));

	if (error < 0) {
		git_buf_free(&header_field);
		if (error == GIT_ENOTFOUND)
			return Qnil;
		rugged_exception_check(error);
	}

	encoding_name = git_commit_message_encoding(commit);
	if (encoding_name != NULL)
		encoding = rb_enc_find(encoding_name);

	rb_result = rb_enc_str_new(header_field.ptr, header_field.size, encoding);
	git_buf_free(&header_field);
	return rb_result;
}

#header_field?(field) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rugged/commit.rb', line 17

def header_field?(field)
  !!header_field(field)
end

#inspect ⇒ Object 



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# File 'lib/rugged/commit.rb', line 13

def inspect
  "#<Rugged::Commit:#{object_id} {message: #{message.inspect}, tree: #{tree.inspect}, parents: #{parent_oids}}>"
end

#message ⇒ Object

Return the message of this commit. This includes the full body of the message, with the short description, detailed description, and any optional footers or signatures after it.

In Ruby 1.9+, the returned string will be encoded with the encoding specified in the Encoding header of the commit, if available.

commit.message #=> "add a lot of RDoc docs\n\nthis includes docs for commit and blob"



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# File 'ext/rugged/rugged_commit.c', line 30

static VALUE rb_git_commit_message_GET(VALUE self)
{
	git_commit *commit;
	rb_encoding *encoding = rb_utf8_encoding();
	const char *encoding_name;
	const char *message;

	Data_Get_Struct(self, git_commit, commit);

	message = git_commit_message(commit);
	encoding_name = git_commit_message_encoding(commit);
	if (encoding_name != NULL)
		encoding = rb_enc_find(encoding_name);

	return rb_enc_str_new(message, strlen(message), encoding);
}

#modify(new_args, update_ref = nil) ⇒ Object 



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# File 'lib/rugged/commit.rb', line 54

def modify(new_args, update_ref=nil)
  args = self.to_hash.merge(new_args)
  Commit.create(args, update_ref)
end

#parent_ids ⇒ Array

Return the parent oid(s) of this commit as an array of oid String objects. An array is always returned even when the commit has only one or zero parents.

commit.parent_ids #=> => ["2cb831a8aea28b2c1b9c63385585b864e4d3bad1", ...]
root.parent_ids #=> []

Returns:

  • (Array) 


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# File 'ext/rugged/rugged_commit.c', line 236

static VALUE rb_git_commit_parent_ids_GET(VALUE self)
{
	git_commit *commit;
	const git_oid *parent_id;
	unsigned int n, parent_count;
	VALUE ret_arr;

	Data_Get_Struct(self, git_commit, commit);

	parent_count = git_commit_parentcount(commit);
	ret_arr = rb_ary_new2((long)parent_count);

	for (n = 0; n < parent_count; n++) {
		parent_id = git_commit_parent_id(commit, n);
		if (parent_id) {
			rb_ary_push(ret_arr, rugged_create_oid(parent_id));
		}
	}

	return ret_arr;
}

#parent_ids ⇒ Array

Return the parent oid(s) of this commit as an array of oid String objects. An array is always returned even when the commit has only one or zero parents.

commit.parent_ids #=> => ["2cb831a8aea28b2c1b9c63385585b864e4d3bad1", ...]
root.parent_ids #=> []

Returns:

  • (Array) 


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# File 'ext/rugged/rugged_commit.c', line 236

static VALUE rb_git_commit_parent_ids_GET(VALUE self)
{
	git_commit *commit;
	const git_oid *parent_id;
	unsigned int n, parent_count;
	VALUE ret_arr;

	Data_Get_Struct(self, git_commit, commit);

	parent_count = git_commit_parentcount(commit);
	ret_arr = rb_ary_new2((long)parent_count);

	for (n = 0; n < parent_count; n++) {
		parent_id = git_commit_parent_id(commit, n);
		if (parent_id) {
			rb_ary_push(ret_arr, rugged_create_oid(parent_id));
		}
	}

	return ret_arr;
}

#parents ⇒ Array

Return the parent(s) of this commit as an array of Rugged::Commit objects. An array is always returned even when the commit has only one or zero parents.

commit.parents #=> => [#<Rugged::Commit:0x108828918>]
root.parents #=> []

Returns:

  • (Array) 


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# File 'ext/rugged/rugged_commit.c', line 202

static VALUE rb_git_commit_parents_GET(VALUE self)
{
	git_commit *commit;
	git_commit *parent;
	unsigned int n, parent_count;
	VALUE ret_arr, owner;
	int error;

	Data_Get_Struct(self, git_commit, commit);
	owner = rugged_owner(self);

	parent_count = git_commit_parentcount(commit);
	ret_arr = rb_ary_new2((long)parent_count);

	for (n = 0; n < parent_count; n++) {
		error = git_commit_parent(&parent, commit, n);
		rugged_exception_check(error);
		rb_ary_push(ret_arr, rugged_object_new(owner, (git_object *)parent));
	}

	return ret_arr;
}

#summary ⇒ Object

Return the short summary message of this commit.

In Ruby 1.9+, the returned string will be encoded with the encoding specified in the Encoding header of the commit, if available.

commit.message #=> "add a lot of RDoc docs\n\nthis includes docs for commit and blob"
commit.summary #=> "add a lot of RDoc docs"



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# File 'ext/rugged/rugged_commit.c', line 59

static VALUE rb_git_commit_summary_GET(VALUE self)
{
	git_commit *commit;
	rb_encoding *encoding = rb_utf8_encoding();
	const char *encoding_name;
	const char *summary;

	Data_Get_Struct(self, git_commit, commit);

	summary = git_commit_summary(commit);
	encoding_name = git_commit_message_encoding(commit);
	if (encoding_name != NULL)
		encoding = rb_enc_find(encoding_name);

	return rb_enc_str_new(summary, strlen(summary), encoding);
}

#time ⇒ Object

The time when this commit was made effective. This is the same value as the :time attribute for commit.committer.

Returns a Time object



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# File 'lib/rugged/commit.rb', line 40

def time
  @time ||= Time.at(self.epoch_time)
end

#to_hash ⇒ Object 



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# File 'lib/rugged/commit.rb', line 44

def to_hash
  {
    :message => message,
    :committer => committer,
    :author => author,
    :tree => tree,
    :parents => parents,
  }
end

#to_mbox(options = {}) ⇒ String

Returns commit‘s contents formatted to resemble UNIX mailbox format.

Does not (yet) support merge commits.

The following options can be passed in the options Hash:

:patch_no

Number for this patch in the series. Defaults to 1.

:total_patches

Total number of patches in the series. Defaults to 1.

:exclude_subject_patch_marker

If set to true, no “[PATCH]” marker will be added to the beginning of the subject line.

Additionally, you can also pass the same options as for Rugged::Tree#diff.

Returns:

  • (String) 


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# File 'ext/rugged/rugged_commit.c', line 544

static VALUE rb_git_commit_to_mbox(int argc, VALUE *argv, VALUE self)
{
	git_buf email_patch = { NULL };
	git_repository *repo;
	git_commit *commit;
	git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
	git_diff_format_email_flags_t flags = GIT_DIFF_FORMAT_EMAIL_NONE;

	VALUE rb_repo = rugged_owner(self), rb_email_patch = Qnil, rb_val, rb_options;

	int error;
	size_t patch_no = 1, total_patches = 1;

	rb_scan_args(argc, argv, ":", &rb_options);

	rugged_check_repo(rb_repo);
	Data_Get_Struct(rb_repo, git_repository, repo);

	Data_Get_Struct(self, git_commit, commit);

	if (!NIL_P(rb_options)) {
		Check_Type(rb_options, T_HASH);

		rb_val = rb_hash_aref(rb_options, CSTR2SYM("patch_no"));
		if (!NIL_P(rb_val))
			patch_no = NUM2INT(rb_val);

		rb_val = rb_hash_aref(rb_options, CSTR2SYM("total_patches"));
		if (!NIL_P(rb_val))
			total_patches = NUM2INT(rb_val);

		if (RTEST(rb_hash_aref(rb_options, CSTR2SYM("exclude_subject_patch_marker"))))
			flags |= GIT_DIFF_FORMAT_EMAIL_EXCLUDE_SUBJECT_PATCH_MARKER;

		rugged_parse_diff_options(&opts, rb_options);
	}

	error = git_diff_commit_as_email(
		&email_patch,
		repo,
		commit,
		patch_no,
		total_patches,
		flags,
		&opts);

	if (error) goto cleanup;

	rb_email_patch = rb_enc_str_new(email_patch.ptr, email_patch.size, rb_utf8_encoding());

	cleanup:

	xfree(opts.pathspec.strings);
	git_buf_free(&email_patch);
	rugged_exception_check(error);

	return rb_email_patch;
}

#tree ⇒ Object

Return the tree pointed at by this commit. The tree is returned as a Rugged::Tree object.

commit.tree #=> #<Rugged::Tree:0x10882c680>



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# File 'ext/rugged/rugged_commit.c', line 154

static VALUE rb_git_commit_tree_GET(VALUE self)
{
	git_commit *commit;
	git_tree *tree;
	VALUE owner;
	int error;

	Data_Get_Struct(self, git_commit, commit);
	owner = rugged_owner(self);

	error = git_commit_tree(&tree, commit);
	rugged_exception_check(error);

	return rugged_object_new(owner, (git_object *)tree);
}

#tree_id ⇒ Object

Return the tree oid pointed at by this commit. The tree is returned as a String object.

commit.tree_id #=> "f148106ca58764adc93ad4e2d6b1d168422b9796"



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# File 'ext/rugged/rugged_commit.c', line 179

static VALUE rb_git_commit_tree_id_GET(VALUE self)
{
	git_commit *commit;
	const git_oid *tree_id;

	Data_Get_Struct(self, git_commit, commit);

	tree_id = git_commit_tree_id(commit);

	return rugged_create_oid(tree_id);
}

#tree_id ⇒ Object

Return the tree oid pointed at by this commit. The tree is returned as a String object.

commit.tree_id #=> "f148106ca58764adc93ad4e2d6b1d168422b9796"



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# File 'ext/rugged/rugged_commit.c', line 179

static VALUE rb_git_commit_tree_id_GET(VALUE self)
{
	git_commit *commit;
	const git_oid *tree_id;

	Data_Get_Struct(self, git_commit, commit);

	tree_id = git_commit_tree_id(commit);

	return rugged_create_oid(tree_id);
}