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path: root/tests-clar/network/push_util.c
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#include "clar_libgit2.h"
#include "buffer.h"
#include "vector.h"
#include "push_util.h"

const git_oid OID_ZERO = {{ 0 }};

void updated_tip_free(updated_tip *t)
{
	git__free(t->name);
	git__free(t->old_oid);
	git__free(t->new_oid);
	git__free(t);
}

void record_callbacks_data_clear(record_callbacks_data *data)
{
	size_t i;
	updated_tip *tip;

	git_vector_foreach(&data->updated_tips, i, tip)
		updated_tip_free(tip);

	git_vector_free(&data->updated_tips);
}

int record_update_tips_cb(const char *refname, const git_oid *a, const git_oid *b, void *data)
{
	updated_tip *t;
	record_callbacks_data *record_data = (record_callbacks_data *)data;

	cl_assert(t = git__malloc(sizeof(*t)));

	cl_assert(t->name = git__strdup(refname));
	cl_assert(t->old_oid = git__malloc(sizeof(*t->old_oid)));
	git_oid_cpy(t->old_oid, a);

	cl_assert(t->new_oid = git__malloc(sizeof(*t->new_oid)));
	git_oid_cpy(t->new_oid, b);

	git_vector_insert(&record_data->updated_tips, t);

	return 0;
}

int delete_ref_cb(git_remote_head *head, void *payload)
{
	git_vector *delete_specs = (git_vector *)payload;
	git_buf del_spec = GIT_BUF_INIT;

	/* Ignore malformed ref names (which also saves us from tag^{} */
	if (!git_reference_is_valid_name(head->name))
		return 0;

	/* Create a refspec that deletes a branch in the remote */
	if (strcmp(head->name, "refs/heads/master")) {
		cl_git_pass(git_buf_putc(&del_spec, ':'));
		cl_git_pass(git_buf_puts(&del_spec, head->name));
		cl_git_pass(git_vector_insert(delete_specs, git_buf_detach(&del_spec)));
	}

	return 0;
}

int record_ref_cb(git_remote_head *head, void *payload)
{
	git_vector *refs = (git_vector *) payload;
	return git_vector_insert(refs, head);
}

void verify_remote_refs(git_vector *actual_refs, const expected_ref expected_refs[], size_t expected_refs_len)
{
	size_t i, j = 0;
	git_buf msg = GIT_BUF_INIT;
	git_remote_head *actual;
	char *oid_str;
	bool master_present = false;

	/* We don't care whether "master" is present on the other end or not */
	git_vector_foreach(actual_refs, i, actual) {
		if (!strcmp(actual->name, "refs/heads/master")) {
			master_present = true;
			break;
		}
	}

	if (expected_refs_len + (master_present ? 1 : 0) != actual_refs->length)
		goto failed;

	git_vector_foreach(actual_refs, i, actual) {
		if (master_present && !strcmp(actual->name, "refs/heads/master"))
			continue;

		if (strcmp(expected_refs[j].name, actual->name) ||
			git_oid_cmp(expected_refs[j].oid, &actual->oid))
			goto failed;

		j++;
	}

	return;

failed:
	git_buf_puts(&msg, "Expected and actual refs differ:\nEXPECTED:\n");

	for(i = 0; i < expected_refs_len; i++) {
		cl_assert(oid_str = git_oid_allocfmt(expected_refs[i].oid));
		cl_git_pass(git_buf_printf(&msg, "%s = %s\n", expected_refs[i].name, oid_str));
		git__free(oid_str);
	}

	git_buf_puts(&msg, "\nACTUAL:\n");
	git_vector_foreach(actual_refs, i, actual) {
		if (master_present && !strcmp(actual->name, "refs/heads/master"))
			continue;

		cl_assert(oid_str = git_oid_allocfmt(&actual->oid));
		cl_git_pass(git_buf_printf(&msg, "%s = %s\n", actual->name, oid_str));
		git__free(oid_str);
	}

	cl_fail(git_buf_cstr(&msg));

	git_buf_free(&msg);
}