C++ (Cpp) maybe_abbrev Examples

Example #1

File: revparse.c Project: Arhzi/libgit2

static int maybe_describe(git_object**out, git_repository *repo, const char *spec)
{
	const char *substr;
	int error;
	regex_t regex;

	substr = strstr(spec, "-g");

	if (substr == NULL)
		return GIT_ENOTFOUND;

	if (build_regex(&regex, ".+-[0-9]+-g[0-9a-fA-F]+") < 0)
		return -1;

	error = regexec(&regex, spec, 0, NULL, 0);
	regfree(&regex);

	if (error)
		return GIT_ENOTFOUND;

	return maybe_abbrev(out, repo, substr+2);
}

Example #2

File: revparse.c Project: descheung/libgit2-0c72248b9171acee7480a77edee89fa20fabdae8

static int revparse_lookup_object(git_object **out, git_repository *repo, const char *spec)
{
	int error;
	git_reference *ref;

	error = maybe_sha(out, repo, spec);
	if (!error)
		return 0;

	if (error < 0 && error != GIT_ENOTFOUND)
		return error;

	error = disambiguate_refname(&ref, repo, spec);
	if (!error) {
		error = git_object_lookup(out, repo, git_reference_target(ref), GIT_OBJ_ANY);
		git_reference_free(ref);
		return error;
	}

	if (error < 0 && error != GIT_ENOTFOUND)
		return error;

	error = maybe_abbrev(out, repo, spec);
	if (!error)
		return 0;

	if (error < 0 && error != GIT_ENOTFOUND)
		return error;

	error = maybe_describe(out, repo, spec);
	if (!error)
		return 0;

	if (error < 0 && error != GIT_ENOTFOUND)
		return error;

	giterr_set(GITERR_REFERENCE, "Refspec '%s' not found.", spec);
	return GIT_ENOTFOUND;
}

Example #3

File: revparse.c Project: Arhzi/libgit2

static int revparse_lookup_object(
	git_object **object_out,
	git_reference **reference_out,
	git_repository *repo,
	const char *spec)
{
	int error;
	git_reference *ref;

	if ((error = maybe_sha(object_out, repo, spec)) != GIT_ENOTFOUND)
		return error;

	error = git_reference_dwim(&ref, repo, spec);
	if (!error) {

		error = git_object_lookup(
			object_out, repo, git_reference_target(ref), GIT_OBJ_ANY);

		if (!error)
			*reference_out = ref;

		return error;
	}

	if (error != GIT_ENOTFOUND)
		return error;

	if ((strlen(spec) < GIT_OID_HEXSZ) &&
		((error = maybe_abbrev(object_out, repo, spec)) != GIT_ENOTFOUND))
			return error;

	if ((error = maybe_describe(object_out, repo, spec)) != GIT_ENOTFOUND)
		return error;

	giterr_set(GITERR_REFERENCE, "revspec '%s' not found", spec);
	return GIT_ENOTFOUND;
}

Example #4

File: revparse.c Project: Arhzi/libgit2

static int retrieve_previously_checked_out_branch_or_revision(git_object **out, git_reference **base_ref, git_repository *repo, const char *identifier, size_t position)
{
	git_reference *ref = NULL;
	git_reflog *reflog = NULL;
	regex_t preg;
	int error = -1;
	size_t i, numentries, cur;
	const git_reflog_entry *entry;
	const char *msg;
	regmatch_t regexmatches[2];
	git_buf buf = GIT_BUF_INIT;

	cur = position;

	if (*identifier != '\0' || *base_ref != NULL)
		return GIT_EINVALIDSPEC;

	if (build_regex(&preg, "checkout: moving from (.*) to .*") < 0)
		return -1;

	if (git_reference_lookup(&ref, repo, GIT_HEAD_FILE) < 0)
		goto cleanup;

	if (git_reflog_read(&reflog, repo, GIT_HEAD_FILE) < 0)
		goto cleanup;

	numentries  = git_reflog_entrycount(reflog);

	for (i = 0; i < numentries; i++) {
		entry = git_reflog_entry_byindex(reflog, i);
		msg = git_reflog_entry_message(entry);
		if (!msg)
			continue;

		if (regexec(&preg, msg, 2, regexmatches, 0))
			continue;

		cur--;

		if (cur > 0)
			continue;

		git_buf_put(&buf, msg+regexmatches[1].rm_so, regexmatches[1].rm_eo - regexmatches[1].rm_so);

		if ((error = git_reference_dwim(base_ref, repo, git_buf_cstr(&buf))) == 0)
			goto cleanup;

		if (error < 0 && error != GIT_ENOTFOUND)
			goto cleanup;

		error = maybe_abbrev(out, repo, git_buf_cstr(&buf));

		goto cleanup;
	}

	error = GIT_ENOTFOUND;

cleanup:
	git_reference_free(ref);
	git_buf_free(&buf);
	regfree(&preg);
	git_reflog_free(reflog);
	return error;
}