#include "clar_libgit2.h"

#include "buffer.h"

#include "fileops.h"

#include "git2/sys/config.h"

#include "config_file.h"

#include "config.h"

void test_config_write__initialize(void)

{

	cl_fixture_sandbox("config/config9");

	cl_fixture_sandbox("config/config15");

	cl_fixture_sandbox("config/config17");

}

void test_config_write__cleanup(void)

{

	cl_fixture_cleanup("config9");

	cl_fixture_cleanup("config15");

	cl_fixture_cleanup("config17");

}

void test_config_write__replace_value(void)

{

	git_config *cfg;

	int i;

	int64_t l, expected = +9223372036854775803;

	/* By freeing the config, we make sure we flush the values  */

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_set_int32(cfg, "core.dummy", 5));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_get_int32(&i, cfg, "core.dummy"));

	cl_assert(i == 5);

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_set_int32(cfg, "core.dummy", 1));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_set_int64(cfg, "core.verylong", expected));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_get_int64(&l, cfg, "core.verylong"));

	cl_assert(l == expected);

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_must_fail(git_config_get_int32(&i, cfg, "core.verylong"));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_set_int64(cfg, "core.verylong", 1));

	git_config_free(cfg);

}

void test_config_write__delete_value(void)

{

	git_config *cfg;

	int32_t i;

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_set_int32(cfg, "core.dummy", 5));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_delete_entry(cfg, "core.dummy"));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_assert(git_config_get_int32(&i, cfg, "core.dummy") == GIT_ENOTFOUND);

	cl_git_pass(git_config_set_int32(cfg, "core.dummy", 1));

	git_config_free(cfg);

}

/*

 * At the beginning of the test:

 *  - config9 has: core.dummy2=42

 *  - config15 has: core.dummy2=7

 */

void test_config_write__delete_value_at_specific_level(void)

{

	git_config *cfg, *cfg_specific;

	int32_t i;

	cl_git_pass(git_config_open_ondisk(&cfg, "config15"));

	cl_git_pass(git_config_get_int32(&i, cfg, "core.dummy2"));

	cl_assert(i == 7);

	git_config_free(cfg);

	cl_git_pass(git_config_new(&cfg));

	cl_git_pass(git_config_add_file_ondisk(cfg, "config9",

		GIT_CONFIG_LEVEL_LOCAL, 0));

	cl_git_pass(git_config_add_file_ondisk(cfg, "config15",

		GIT_CONFIG_LEVEL_GLOBAL, 0));

	cl_git_pass(git_config_open_level(&cfg_specific, cfg, GIT_CONFIG_LEVEL_GLOBAL));

	cl_git_pass(git_config_delete_entry(cfg_specific, "core.dummy2"));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config15"));

	cl_assert(git_config_get_int32(&i, cfg, "core.dummy2") == GIT_ENOTFOUND);

	cl_git_pass(git_config_set_int32(cfg, "core.dummy2", 7));

	git_config_free(cfg_specific);

	git_config_free(cfg);

}

/*

 * This test exposes a bug where duplicate empty section headers could prevent

 * deletion of config entries.

 */

void test_config_write__delete_value_with_duplicate_header(void)

{

	const char *file_name  = "config-duplicate-header";

	const char *entry_name = "remote.origin.url";

	git_config *cfg;

	git_config_entry *entry;

	/* This config can occur after removing and re-adding the origin remote */

	const char *file_content =

		"[remote \"origin\"]\n"		\

		"[branch \"master\"]\n"		\

		"	remote = \"origin\"\n"	\

		"[remote \"origin\"]\n"		\

		"	url = \"foo\"\n";

	/* Write the test config and make sure the expected entry exists */

	cl_git_mkfile(file_name, file_content);

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	cl_git_pass(git_config_get_entry(&entry, cfg, entry_name));

	/* Delete that entry */

	cl_git_pass(git_config_delete_entry(cfg, entry_name));

	/* Reopen the file and make sure the entry no longer exists */

	git_config_entry_free(entry);

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	cl_git_fail(git_config_get_entry(&entry, cfg, entry_name));

	/* Cleanup */

	git_config_entry_free(entry);

	git_config_free(cfg);

}

/*

 * This test exposes a bug where duplicate section headers could cause

 * config_write to add a new entry when one already exists.

 */

void test_config_write__add_value_with_duplicate_header(void)

{

	const char *file_name  = "config-duplicate-insert";

	const char *entry_name = "foo.c";

	const char *old_val    = "old";

	const char *new_val    = "new";

	const char *str;

	git_config *cfg, *snapshot;

	/* c = old should be replaced by c = new.

	 * The bug causes c = new to be inserted under the first 'foo' header.

	 */

	const char *file_content =

		"[foo]\n"   \

		"  a = b\n" \

		"[other]\n" \

		"  a = b\n" \

		"[foo]\n"   \

		"  c = old\n";

	/* Write the test config */

	cl_git_mkfile(file_name, file_content);

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	/* make sure the expected entry (foo.c) exists */

	cl_git_pass(git_config_snapshot(&snapshot, cfg));

	cl_git_pass(git_config_get_string(&str, snapshot, entry_name));

	cl_assert_equal_s(old_val, str);

	git_config_free(snapshot);

	/* Try setting foo.c to something else */

	cl_git_pass(git_config_set_string(cfg, entry_name, new_val));

	git_config_free(cfg);

	/* Reopen the file and make sure the new value was set */

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	cl_git_pass(git_config_snapshot(&snapshot, cfg));

	cl_git_pass(git_config_get_string(&str, snapshot, entry_name));

	cl_assert_equal_s(new_val, str);

	/* Cleanup */

	git_config_free(snapshot);

	git_config_free(cfg);

}

void test_config_write__overwrite_value_with_duplicate_header(void)

{

	const char *file_name  = "config-duplicate-header";

	const char *entry_name = "remote.origin.url";

	git_config *cfg;

	git_config_entry *entry;

	/* This config can occur after removing and re-adding the origin remote */

	const char *file_content =

		"[remote \"origin\"]\n"		\

		"[branch \"master\"]\n"		\

		"	remote = \"origin\"\n"	\

		"[remote \"origin\"]\n"		\

		"	url = \"foo\"\n";

	/* Write the test config and make sure the expected entry exists */

	cl_git_mkfile(file_name, file_content);

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	cl_git_pass(git_config_get_entry(&entry, cfg, entry_name));

	/* Update that entry */

	cl_git_pass(git_config_set_string(cfg, entry_name, "newurl"));

	/* Reopen the file and make sure the entry was updated */

	git_config_entry_free(entry);

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	cl_git_pass(git_config_get_entry(&entry, cfg, entry_name));

	cl_assert_equal_s("newurl", entry->value);

	/* Cleanup */

	git_config_entry_free(entry);

	git_config_free(cfg);

}

static int multivar_cb(const git_config_entry *entry, void *data)

{

	int *n = (int *)data;

	cl_assert_equal_s(entry->value, "newurl");

	(*n)++;

	return 0;

}

void test_config_write__overwrite_multivar_within_duplicate_header(void)

{

	const char *file_name  = "config-duplicate-header";

	const char *entry_name = "remote.origin.url";

	git_config *cfg;

	git_config_entry *entry;

	int n = 0;

	/* This config can occur after removing and re-adding the origin remote */

	const char *file_content =

		"[remote \"origin\"]\n"		\

		"	url = \"bar\"\n"		\

		"[branch \"master\"]\n"		\

		"	remote = \"origin\"\n"	\

		"[remote \"origin\"]\n"		\

		"	url = \"foo\"\n";

	/* Write the test config and make sure the expected entry exists */

	cl_git_mkfile(file_name, file_content);

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	cl_git_pass(git_config_get_entry(&entry, cfg, entry_name));

	/* Update that entry */

	cl_git_pass(git_config_set_multivar(cfg, entry_name, ".*", "newurl"));

	git_config_entry_free(entry);

	git_config_free(cfg);

	/* Reopen the file and make sure the entry was updated */

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	cl_git_pass(git_config_get_multivar_foreach(cfg, entry_name, NULL, multivar_cb, &n);;

	cl_assert_equal_i(2, n);

	/* Cleanup */

	git_config_free(cfg);

}

void test_config_write__write_subsection(void)

{

	git_config *cfg;

	git_buf buf = GIT_BUF_INIT;

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_set_string(cfg, "my.own.var", "works"));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_get_string_buf(&buf, cfg, "my.own.var"));

	cl_assert_equal_s("works", git_buf_cstr(&buf));

	git_buf_free(&buf;;

	git_config_free(cfg);

}

void test_config_write__delete_inexistent(void)

{

	git_config *cfg;

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_assert(git_config_delete_entry(cfg, "core.imaginary") == GIT_ENOTFOUND);

	git_config_free(cfg);

}

void test_config_write__value_containing_quotes(void)

{

	git_config *cfg;

	git_buf buf = GIT_BUF_INIT;

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_set_string(cfg, "core.somevar", "this \"has\" quotes"));

	cl_git_pass(git_config_get_string_buf(&buf, cfg, "core.somevar"));

	cl_assert_equal_s("this \"has\" quotes", git_buf_cstr(&buf));

	git_buf_clear(&buf;;

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_get_string_buf(&buf, cfg, "core.somevar"));

	cl_assert_equal_s("this \"has\" quotes", git_buf_cstr(&buf));

	git_buf_clear(&buf;;

	git_config_free(cfg);

	/* The code path for values that already exist is different, check that one as well */

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_set_string(cfg, "core.somevar", "this also \"has\" quotes"));

	cl_git_pass(git_config_get_string_buf(&buf, cfg, "core.somevar"));

	cl_assert_equal_s("this also \"has\" quotes", git_buf_cstr(&buf));

	git_buf_clear(&buf;;

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_get_string_buf(&buf, cfg, "core.somevar"));

	cl_assert_equal_s("this also \"has\" quotes", git_buf_cstr(&buf));

	git_buf_free(&buf;;

	git_config_free(cfg);

}

void test_config_write__escape_value(void)

{

	git_config *cfg;

	git_buf buf = GIT_BUF_INIT;

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_set_string(cfg, "core.somevar", "this \"has\" quotes and \t"));

	cl_git_pass(git_config_get_string_buf(&buf, cfg, "core.somevar"));

	cl_assert_equal_s("this \"has\" quotes and \t", git_buf_cstr(&buf));

	git_buf_clear(&buf;;

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_pass(git_config_get_string_buf(&buf, cfg, "core.somevar"));

	cl_assert_equal_s("this \"has\" quotes and \t", git_buf_cstr(&buf));

	git_buf_free(&buf;;

	git_config_free(cfg);

}

void test_config_write__add_value_at_specific_level(void)

{

	git_config *cfg, *cfg_specific;

	int i;

	int64_t l, expected = +9223372036854775803;

	git_buf buf = GIT_BUF_INIT;

	// open config15 as global level config file

	cl_git_pass(git_config_new(&cfg));

	cl_git_pass(git_config_add_file_ondisk(cfg, "config9",

		GIT_CONFIG_LEVEL_LOCAL, 0));

	cl_git_pass(git_config_add_file_ondisk(cfg, "config15",

		GIT_CONFIG_LEVEL_GLOBAL, 0));

	cl_git_pass(git_config_open_level(&cfg_specific, cfg, GIT_CONFIG_LEVEL_GLOBAL));

	cl_git_pass(git_config_set_int32(cfg_specific, "core.int32global", 28));

	cl_git_pass(git_config_set_int64(cfg_specific, "core.int64global", expected));

	cl_git_pass(git_config_set_bool(cfg_specific, "core.boolglobal", true));

	cl_git_pass(git_config_set_string(cfg_specific, "core.stringglobal", "I'm a global config value!"));

	git_config_free(cfg_specific);

	git_config_free(cfg);

	// open config15 as local level config file

	cl_git_pass(git_config_open_ondisk(&cfg, "config15"));

	cl_git_pass(git_config_get_int32(&i, cfg, "core.int32global"));

	cl_assert_equal_i(28, i);

	cl_git_pass(git_config_get_int64(&l, cfg, "core.int64global"));

	cl_assert(l == expected);

	cl_git_pass(git_config_get_bool(&i, cfg, "core.boolglobal"));

	cl_assert_equal_b(true, i);

	cl_git_pass(git_config_get_string_buf(&buf, cfg, "core.stringglobal"));

	cl_assert_equal_s("I'm a global config value!", git_buf_cstr(&buf));

	git_buf_free(&buf;;

	git_config_free(cfg);

}

void test_config_write__add_value_at_file_with_no_clrf_at_the_end(void)

{

	git_config *cfg;

	int i;

	cl_git_pass(git_config_open_ondisk(&cfg, "config17"));

	cl_git_pass(git_config_set_int32(cfg, "core.newline", 7));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config17"));

	cl_git_pass(git_config_get_int32(&i, cfg, "core.newline"));

	cl_assert_equal_i(7, i);

	git_config_free(cfg);

}

void test_config_write__add_section_at_file_with_no_clrf_at_the_end(void)

{

	git_config *cfg;

	int i;

	cl_git_pass(git_config_open_ondisk(&cfg, "config17"));

	cl_git_pass(git_config_set_int32(cfg, "diff.context", 10));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, "config17"));

	cl_git_pass(git_config_get_int32(&i, cfg, "diff.context"));

	cl_assert_equal_i(10, i);

	git_config_free(cfg);

}

void test_config_write__add_value_which_needs_quotes(void)

{

	git_config *cfg, *base;

	const char* str1;

	const char* str2;

	const char* str3;

	const char* str4;

	const char* str5;

	cl_git_pass(git_config_open_ondisk(&cfg, "config17"));

	cl_git_pass(git_config_set_string(cfg, "core.startwithspace", " Something"));

	cl_git_pass(git_config_set_string(cfg, "core.endwithspace", "Something "));

	cl_git_pass(git_config_set_string(cfg, "core.containscommentchar1", "some#thing"));

	cl_git_pass(git_config_set_string(cfg, "core.containscommentchar2", "some;thing"));

	cl_git_pass(git_config_set_string(cfg, "core.startwhithsapceandcontainsdoublequote", " some\"thing"));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&base, "config17"));

	cl_git_pass(git_config_snapshot(&cfg, base));

	cl_git_pass(git_config_get_string(&str1, cfg, "core.startwithspace"));

	cl_assert_equal_s(" Something", str1);

	cl_git_pass(git_config_get_string(&str2, cfg, "core.endwithspace"));

	cl_assert_equal_s("Something ", str2);

	cl_git_pass(git_config_get_string(&str3, cfg, "core.containscommentchar1"));

	cl_assert_equal_s("some#thing", str3);

	cl_git_pass(git_config_get_string(&str4, cfg, "core.containscommentchar2"));

	cl_assert_equal_s("some;thing", str4);

	cl_git_pass(git_config_get_string(&str5, cfg, "core.startwhithsapceandcontainsdoublequote"));

	cl_assert_equal_s(" some\"thing", str5);

	git_config_free(cfg);

	git_config_free(base);

}

void test_config_write__can_set_a_value_to_NULL(void)

{

    git_repository *repository;

    git_config *config;

    repository = cl_git_sandbox_init("testrepo.git");

    cl_git_pass(git_repository_config(&config, repository));

    cl_git_fail(git_config_set_string(config, "a.b.c", NULL));

    git_config_free(config);

    cl_git_sandbox_cleanup();

}

void test_config_write__can_set_an_empty_value(void)

{

	git_repository *repository;

	git_config *config;

	git_buf buf = {0};

	repository = cl_git_sandbox_init("testrepo.git");

	cl_git_pass(git_repository_config(&config, repository));

	cl_git_pass(git_config_set_string(config, "core.somevar", ""));

	cl_git_pass(git_config_get_string_buf(&buf, config, "core.somevar"));

	cl_assert_equal_s("", buf.ptr);

	git_buf_free(&buf;;

	git_config_free(config);

	cl_git_sandbox_cleanup();

}

void test_config_write__updating_a_locked_config_file_returns_ELOCKED(void)

{

	git_config *cfg;

	cl_git_pass(git_config_open_ondisk(&cfg, "config9"));

	cl_git_mkfile("config9.lock", "[core]\n");

	cl_git_fail_with(git_config_set_string(cfg, "core.dump", "boom"), GIT_ELOCKED);

	git_config_free(cfg);

}

void test_config_write__outside_change(void)

{

	int32_t tmp;

	git_config *cfg;

	const char *filename = "config-ext-change";

	cl_git_mkfile(filename, "[old]\nvalue = 5\n");

	cl_git_pass(git_config_open_ondisk(&cfg, filename));

	cl_git_pass(git_config_get_int32(&tmp, cfg, "old.value"));

	/* Change the value on the file itself (simulate external process) */

	cl_git_mkfile(filename, "[old]\nvalue = 6\n");

	cl_git_pass(git_config_set_int32(cfg, "new.value", 7));

	cl_git_pass(git_config_get_int32(&tmp, cfg, "old.value"));

	cl_assert_equal_i(6, tmp);

	git_config_free(cfg);

}

#define FOO_COMMENT \

	";  another comment!\n"

#define SECTION_FOO \

	"\n"                     \

	"    \n"                 \

	" [section \"foo\"]  \n" \

	" # here's a comment\n"  \

	"\tname = \"value\"\n"   \

	"  name2 = \"value2\"\n" \

#define SECTION_FOO_WITH_COMMENT SECTION_FOO FOO_COMMENT

#define SECTION_BAR \

	"[section \"bar\"]\t\n"  \

	"\t  \n"                 \

	" barname=\"value\"\n"

void test_config_write__preserves_whitespace_and_comments(void)

{

	const char *file_name  = "config-duplicate-header";

	const char *n;

	git_config *cfg;

	git_buf newfile = GIT_BUF_INIT;

	/* This config can occur after removing and re-adding the origin remote */

	const char *file_content = SECTION_FOO_WITH_COMMENT SECTION_BAR;

	/* Write the test config and make sure the expected entry exists */

	cl_git_mkfile(file_name, file_content);

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	cl_git_pass(git_config_set_string(cfg, "section.foo.other", "otherval"));

	cl_git_pass(git_config_set_string(cfg, "newsection.newname", "new_value"));

	/* Ensure that we didn't needlessly mangle the config file */

	cl_git_pass(git_futils_readbuffer(&newfile, file_name));

	n = newfile.ptr;

	cl_assert_equal_strn(SECTION_FOO, n, strlen(SECTION_FOO));

	n += strlen(SECTION_FOO);

	cl_assert_equal_strn("\tother = otherval\n", n, strlen("\tother = otherval\n"));

	n += strlen("\tother = otherval\n");

	cl_assert_equal_strn(FOO_COMMENT, n, strlen(FOO_COMMENT));

	n += strlen(FOO_COMMENT);

	cl_assert_equal_strn(SECTION_BAR, n, strlen(SECTION_BAR));

	n += strlen(SECTION_BAR);

	cl_assert_equal_s("[newsection]\n\tnewname = new_value\n", n);

	git_buf_free(&newfile);

	git_config_free(cfg);

}

void test_config_write__preserves_entry_with_name_only(void)

{

	const char *file_name  = "config-empty-value";

	git_config *cfg;

	git_buf newfile = GIT_BUF_INIT;

	/* Write the test config and make sure the expected entry exists */

	cl_git_mkfile(file_name, "[section \"foo\"]\n\tname\n");

	cl_git_pass(git_config_open_ondisk(&cfg, file_name));

	cl_git_pass(git_config_set_string(cfg, "newsection.newname", "new_value"));

	cl_git_pass(git_config_set_string(cfg, "section.foo.other", "otherval"));

	cl_git_pass(git_futils_readbuffer(&newfile, file_name));

	cl_assert_equal_s("[section \"foo\"]\n\tname\n\tother = otherval\n[newsection]\n\tnewname = new_value\n", newfile.ptr);

	git_buf_free(&newfile);

	git_config_free(cfg);

}

void test_config_write__to_empty_file(void)

{

	git_config *cfg;

	const char *filename = "config-file";

	git_buf result = GIT_BUF_INIT;

	cl_git_mkfile(filename, "");

	cl_git_pass(git_config_open_ondisk(&cfg, filename));

	cl_git_pass(git_config_set_string(cfg, "section.name", "value"));

	git_config_free(cfg);

	cl_git_pass(git_futils_readbuffer(&result, "config-file"));

	cl_assert_equal_s("[section]\n\tname = value\n", result.ptr);

	git_buf_free(&result);

}

void test_config_write__to_file_with_only_comment(void)

{

	git_config *cfg;

	const char *filename = "config-file";

	git_buf result = GIT_BUF_INIT;

	cl_git_mkfile(filename, "\n\n");

	cl_git_pass(git_config_open_ondisk(&cfg, filename));

	cl_git_pass(git_config_set_string(cfg, "section.name", "value"));

	git_config_free(cfg);

	cl_git_pass(git_futils_readbuffer(&result, "config-file"));

	cl_assert_equal_s("\n\n[section]\n\tname = value\n", result.ptr);

	git_buf_free(&result);

}

void test_config_write__locking(void)

{

	git_config *cfg, *cfg2;

	git_config_entry *entry;

	git_transaction *tx;

	const char *filename = "locked-file";

	/* Open the config and lock it */

	cl_git_mkfile(filename, "[section]\n\tname = value\n");

	cl_git_pass(git_config_open_ondisk(&cfg, filename));

	cl_git_pass(git_config_get_entry(&entry, cfg, "section.name"));

	cl_assert_equal_s("value", entry->value);

	git_config_entry_free(entry);

	cl_git_pass(git_config_lock(&tx, cfg));

	/* Change entries in the locked backend */

	cl_git_pass(git_config_set_string(cfg, "section.name", "other value"));

	cl_git_pass(git_config_set_string(cfg, "section2.name3", "more value"));

	/* We can see that the file we read from hasn't changed */

	cl_git_pass(git_config_open_ondisk(&cfg2, filename));

	cl_git_pass(git_config_get_entry(&entry, cfg2, "section.name"));

	cl_assert_equal_s("value", entry->value);

	git_config_entry_free(entry);

	cl_git_fail_with(GIT_ENOTFOUND, git_config_get_entry(&entry, cfg2, "section2.name3"));

	git_config_free(cfg2);

	/* And we also get the old view when we read from the locked config */

	cl_git_pass(git_config_get_entry(&entry, cfg, "section.name"));

	cl_assert_equal_s("value", entry->value);

	git_config_entry_free(entry);

	cl_git_fail_with(GIT_ENOTFOUND, git_config_get_entry(&entry, cfg, "section2.name3"));

	cl_git_pass(git_transaction_commit(tx));

	git_transaction_free(tx);

	/* Now that we've unlocked it, we should see both updates */

	cl_git_pass(git_config_get_entry(&entry, cfg, "section.name"));

	cl_assert_equal_s("other value", entry->value);

	git_config_entry_free(entry);

	cl_git_pass(git_config_get_entry(&entry, cfg, "section2.name3"));

	cl_assert_equal_s("more value", entry->value);

	git_config_entry_free(entry);

	git_config_free(cfg);

	/* We should also see the changes after reopening the config */

	cl_git_pass(git_config_open_ondisk(&cfg, filename));

	cl_git_pass(git_config_get_entry(&entry, cfg, "section.name"));

	cl_assert_equal_s("other value", entry->value);

	git_config_entry_free(entry);

	cl_git_pass(git_config_get_entry(&entry, cfg, "section2.name3"));

	cl_assert_equal_s("more value", entry->value);

	git_config_entry_free(entry);

	git_config_free(cfg);

}

void test_config_write__repeated(void)

{

	const char *filename = "config-repeated";

	git_config *cfg;

	git_buf result = GIT_BUF_INIT;

	const char *expected = "[sample \"prefix\"]\n\

\tsetting1 = someValue1\n\

\tsetting2 = someValue2\n\

\tsetting3 = someValue3\n\

\tsetting4 = someValue4\n\

";

	cl_git_pass(git_config_open_ondisk(&cfg, filename));

	cl_git_pass(git_config_set_string(cfg, "sample.prefix.setting1", "someValue1"));

	cl_git_pass(git_config_set_string(cfg, "sample.prefix.setting2", "someValue2"));

	cl_git_pass(git_config_set_string(cfg, "sample.prefix.setting3", "someValue3"));

	cl_git_pass(git_config_set_string(cfg, "sample.prefix.setting4", "someValue4"));

	git_config_free(cfg);

	cl_git_pass(git_config_open_ondisk(&cfg, filename));

	cl_git_pass(git_futils_readbuffer(&result, filename));

	cl_assert_equal_s(expected, result.ptr);

	git_buf_free(&result);

	git_config_free(cfg);

}