void test_object_tree_write__cruel_paths(void)
{
static const char *the_paths[] = {
"C:\\",
" : * ? \" \n < > |",
"a\\b",
"\\\\b\a",
":\\",
"COM1",
"foo.aux",
REP1024("1234"), /* 4096 char string */
REP1024("12345678"), /* 8192 char string */
"\xC5\xAA\x6E\xC4\xAD\x63\xC5\x8D\x64\x65\xCC\xBD", /* Ūnĭcōde̽ */
NULL
};
git_treebuilder *builder;
git_tree *tree;
git_oid id, bid, subid;
const char **scan;
int count = 0, i, j;
git_tree_entry *te;
git_oid_fromstr(&bid, blob_oid);
/* create tree */
cl_git_pass(git_treebuilder_create(&builder, NULL));
for (scan = the_paths; *scan; ++scan) {
cl_git_pass(git_treebuilder_insert(
NULL, builder, *scan, &bid, GIT_FILEMODE_BLOB));
count++;
}
cl_git_pass(git_treebuilder_write(&id, g_repo, builder));
git_treebuilder_free(builder);
/* check data is correct */
cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
cl_assert_equal_i(count, git_tree_entrycount(tree));
for (scan = the_paths; *scan; ++scan) {
const git_tree_entry *cte = git_tree_entry_byname(tree, *scan);
cl_assert(cte != NULL);
cl_assert_equal_s(*scan, git_tree_entry_name(cte));
}
for (scan = the_paths; *scan; ++scan) {
cl_git_pass(git_tree_entry_bypath(&te, tree, *scan));
cl_assert_equal_s(*scan, git_tree_entry_name(te));
git_tree_entry_free(te);
}
git_tree_free(tree);
/* let's try longer paths */
cl_git_pass(git_treebuilder_create(&builder, NULL));
for (scan = the_paths; *scan; ++scan) {
cl_git_pass(git_treebuilder_insert(
NULL, builder, *scan, &id, GIT_FILEMODE_TREE));
}
cl_git_pass(git_treebuilder_write(&subid, g_repo, builder));
git_treebuilder_free(builder);
/* check data is correct */
cl_git_pass(git_tree_lookup(&tree, g_repo, &subid));
cl_assert_equal_i(count, git_tree_entrycount(tree));
for (i = 0; i < count; ++i) {
for (j = 0; j < count; ++j) {
git_buf b = GIT_BUF_INIT;
cl_git_pass(git_buf_joinpath(&b, the_paths[i], the_paths[j]));
cl_git_pass(git_tree_entry_bypath(&te, tree, b.ptr));
cl_assert_equal_s(the_paths[j], git_tree_entry_name(te));
git_tree_entry_free(te);
git_buf_free(&b);
}
}
git_tree_free(tree);
}
static int find_repo(
git_buf *repo_path,
git_buf *parent_path,
const char *start_path,
uint32_t flags,
const char *ceiling_dirs)
{
int error;
git_buf path = GIT_BUF_INIT;
struct stat st;
dev_t initial_device = 0;
bool try_with_dot_git = ((flags & GIT_REPOSITORY_OPEN_BARE) != 0);
int ceiling_offset;
git_buf_free(repo_path);
if ((error = git_path_prettify(&path, start_path, NULL)) < 0)
return error;
ceiling_offset = find_ceiling_dir_offset(path.ptr, ceiling_dirs);
if (!try_with_dot_git &&
(error = git_buf_joinpath(&path, path.ptr, DOT_GIT)) < 0)
return error;
while (!error && !git_buf_len(repo_path)) {
if (p_stat(path.ptr, &st) == 0) {
/* check that we have not crossed device boundaries */
if (initial_device == 0)
initial_device = st.st_dev;
else if (st.st_dev != initial_device &&
(flags & GIT_REPOSITORY_OPEN_CROSS_FS) == 0)
break;
if (S_ISDIR(st.st_mode)) {
if (valid_repository_path(&path)) {
git_path_to_dir(&path);
git_buf_set(repo_path, path.ptr, path.size);
break;
}
}
else if (S_ISREG(st.st_mode)) {
git_buf repo_link = GIT_BUF_INIT;
if (!(error = read_gitfile(&repo_link, path.ptr))) {
if (valid_repository_path(&repo_link))
git_buf_swap(repo_path, &repo_link);
git_buf_free(&repo_link);
break;
}
git_buf_free(&repo_link);
}
}
/* move up one directory level */
if (git_path_dirname_r(&path, path.ptr) < 0) {
error = -1;
break;
}
if (try_with_dot_git) {
/* if we tried original dir with and without .git AND either hit
* directory ceiling or NO_SEARCH was requested, then be done.
*/
if (path.ptr[ceiling_offset] == '\0' ||
(flags & GIT_REPOSITORY_OPEN_NO_SEARCH) != 0)
break;
/* otherwise look first for .git item */
error = git_buf_joinpath(&path, path.ptr, DOT_GIT);
}
try_with_dot_git = !try_with_dot_git;
}
if (!error && parent_path && !(flags & GIT_REPOSITORY_OPEN_BARE)) {
if (!git_buf_len(repo_path))
git_buf_clear(parent_path);
else {
git_path_dirname_r(parent_path, path.ptr);
git_path_to_dir(parent_path);
}
if (git_buf_oom(parent_path))
return -1;
}
git_buf_free(&path);
if (!git_buf_len(repo_path) && !error) {
giterr_set(GITERR_REPOSITORY,
"Could not find repository from '%s'", start_path);
error = GIT_ENOTFOUND;
}
return error;
}
/* Inspired from https://github.com/git/git/blob/f06d47e7e0d9db709ee204ed13a8a7486149f494/refs.c#L36-100 */
int git_reference__normalize_name(
git_buf *buf,
const char *name,
unsigned int flags)
{
char *current;
int segment_len, segments_count = 0, error = GIT_EINVALIDSPEC;
unsigned int process_flags;
bool normalize = (buf != NULL);
#ifdef GIT_USE_ICONV
git_path_iconv_t ic = GIT_PATH_ICONV_INIT;
#endif
assert(name);
process_flags = flags;
current = (char *)name;
if (*current == '/')
goto cleanup;
if (normalize)
git_buf_clear(buf);
#ifdef GIT_USE_ICONV
if ((flags & GIT_REF_FORMAT__PRECOMPOSE_UNICODE) != 0) {
size_t namelen = strlen(current);
if ((error = git_path_iconv_init_precompose(&ic)) < 0 ||
(error = git_path_iconv(&ic, ¤t, &namelen)) < 0)
goto cleanup;
error = GIT_EINVALIDSPEC;
}
#endif
while (true) {
segment_len = ensure_segment_validity(current);
if (segment_len < 0) {
if ((process_flags & GIT_REF_FORMAT_REFSPEC_PATTERN) &&
current[0] == '*' &&
(current[1] == '\0' || current[1] == '/')) {
/* Accept one wildcard as a full refname component. */
process_flags &= ~GIT_REF_FORMAT_REFSPEC_PATTERN;
segment_len = 1;
} else
goto cleanup;
}
if (segment_len > 0) {
if (normalize) {
size_t cur_len = git_buf_len(buf);
git_buf_joinpath(buf, git_buf_cstr(buf), current);
git_buf_truncate(buf,
cur_len + segment_len + (segments_count ? 1 : 0));
if (git_buf_oom(buf)) {
error = -1;
goto cleanup;
}
}
segments_count++;
}
/* No empty segment is allowed when not normalizing */
if (segment_len == 0 && !normalize)
goto cleanup;
if (current[segment_len] == '\0')
break;
current += segment_len + 1;
}
/* A refname can not be empty */
if (segment_len == 0 && segments_count == 0)
goto cleanup;
/* A refname can not end with "." */
if (current[segment_len - 1] == '.')
goto cleanup;
/* A refname can not end with "/" */
if (current[segment_len - 1] == '/')
goto cleanup;
if ((segments_count == 1 ) && !(flags & GIT_REF_FORMAT_ALLOW_ONELEVEL))
goto cleanup;
if ((segments_count == 1 ) &&
!(flags & GIT_REF_FORMAT_REFSPEC_SHORTHAND) &&
!(is_all_caps_and_underscore(name, (size_t)segment_len) ||
((flags & GIT_REF_FORMAT_REFSPEC_PATTERN) && !strcmp("*", name))))
goto cleanup;
if ((segments_count > 1)
&& (is_all_caps_and_underscore(name, strchr(name, '/') - name)))
goto cleanup;
error = 0;
cleanup:
if (error == GIT_EINVALIDSPEC)
giterr_set(
GITERR_REFERENCE,
"The given reference name '%s' is not valid", name);
if (error && normalize)
git_buf_free(buf);
#ifdef GIT_USE_ICONV
git_path_iconv_clear(&ic);
#endif
return error;
}
void test_repo_config__read_with_no_configs_at_all(void)
{
git_repository *repo;
int val;
cl_git_pass(git_libgit2_opts(
GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, path.ptr));
cl_git_pass(git_libgit2_opts(
GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_SYSTEM, path.ptr));
cl_git_pass(git_libgit2_opts(
GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_XDG, path.ptr));
/* with none */
cl_must_pass(p_unlink("empty_standard_repo/.git/config"));
cl_assert(!git_path_isfile("empty_standard_repo/.git/config"));
cl_git_pass(git_repository_open(&repo, "empty_standard_repo"));
git_repository__cvar_cache_clear(repo);
val = -1;
cl_git_pass(git_repository__cvar(&val, repo, GIT_CVAR_ABBREV));
cl_assert_equal_i(GIT_ABBREV_DEFAULT, val);
git_repository_free(repo);
/* with no local config, just system */
cl_sandbox_set_search_path_defaults();
cl_must_pass(p_mkdir("alternate/1", 0777));
cl_git_pass(git_buf_joinpath(&path, path.ptr, "1"));
cl_git_rewritefile("alternate/1/gitconfig", "[core]\n\tabbrev = 10\n");
cl_git_pass(git_libgit2_opts(
GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_SYSTEM, path.ptr));
cl_git_pass(git_repository_open(&repo, "empty_standard_repo"));
git_repository__cvar_cache_clear(repo);
val = -1;
cl_git_pass(git_repository__cvar(&val, repo, GIT_CVAR_ABBREV));
cl_assert_equal_i(10, val);
git_repository_free(repo);
/* with just xdg + system */
cl_must_pass(p_mkdir("alternate/2", 0777));
path.ptr[path.size - 1] = '2';
cl_git_rewritefile("alternate/2/config", "[core]\n\tabbrev = 20\n");
cl_git_pass(git_libgit2_opts(
GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_XDG, path.ptr));
cl_git_pass(git_repository_open(&repo, "empty_standard_repo"));
git_repository__cvar_cache_clear(repo);
val = -1;
cl_git_pass(git_repository__cvar(&val, repo, GIT_CVAR_ABBREV));
cl_assert_equal_i(20, val);
git_repository_free(repo);
/* with global + xdg + system */
cl_must_pass(p_mkdir("alternate/3", 0777));
path.ptr[path.size - 1] = '3';
cl_git_rewritefile("alternate/3/.gitconfig", "[core]\n\tabbrev = 30\n");
cl_git_pass(git_libgit2_opts(
GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, path.ptr));
cl_git_pass(git_repository_open(&repo, "empty_standard_repo"));
git_repository__cvar_cache_clear(repo);
val = -1;
cl_git_pass(git_repository__cvar(&val, repo, GIT_CVAR_ABBREV));
cl_assert_equal_i(30, val);
git_repository_free(repo);
/* with all configs */
cl_git_rewritefile("empty_standard_repo/.git/config", "[core]\n\tabbrev = 40\n");
cl_git_pass(git_repository_open(&repo, "empty_standard_repo"));
git_repository__cvar_cache_clear(repo);
val = -1;
cl_git_pass(git_repository__cvar(&val, repo, GIT_CVAR_ABBREV));
cl_assert_equal_i(40, val);
git_repository_free(repo);
/* with all configs but delete the files ? */
cl_git_pass(git_repository_open(&repo, "empty_standard_repo"));
git_repository__cvar_cache_clear(repo);
val = -1;
cl_git_pass(git_repository__cvar(&val, repo, GIT_CVAR_ABBREV));
cl_assert_equal_i(40, val);
cl_must_pass(p_unlink("empty_standard_repo/.git/config"));
cl_assert(!git_path_isfile("empty_standard_repo/.git/config"));
cl_must_pass(p_unlink("alternate/1/gitconfig"));
cl_assert(!git_path_isfile("alternate/1/gitconfig"));
cl_must_pass(p_unlink("alternate/2/config"));
cl_assert(!git_path_isfile("alternate/2/config"));
cl_must_pass(p_unlink("alternate/3/.gitconfig"));
cl_assert(!git_path_isfile("alternate/3/.gitconfig"));
git_repository__cvar_cache_clear(repo);
val = -1;
cl_git_pass(git_repository__cvar(&val, repo, GIT_CVAR_ABBREV));
cl_assert_equal_i(40, val);
git_repository_free(repo);
/* reopen */
cl_assert(!git_path_isfile("empty_standard_repo/.git/config"));
cl_assert(!git_path_isfile("alternate/3/.gitconfig"));
cl_git_pass(git_repository_open(&repo, "empty_standard_repo"));
git_repository__cvar_cache_clear(repo);
val = -1;
cl_git_pass(git_repository__cvar(&val, repo, GIT_CVAR_ABBREV));
cl_assert_equal_i(7, val);
git_repository_free(repo);
cl_assert(!git_path_exists("empty_standard_repo/.git/config"));
cl_assert(!git_path_exists("alternate/3/.gitconfig"));
}
void test_repo_open__from_git_new_workdir(void)
{
/* The git-new-workdir script that ships with git sets up a bunch of
* symlinks to create a second workdir that shares the object db with
* another checkout. Libgit2 can open a repo that has been configured
* this way.
*/
cl_git_sandbox_init("empty_standard_repo");
#ifndef GIT_WIN32
git_repository *repo2;
git_buf link_tgt = GIT_BUF_INIT, link = GIT_BUF_INIT, body = GIT_BUF_INIT;
const char **scan;
int link_fd;
static const char *links[] = {
"config", "refs", "logs/refs", "objects", "info", "hooks",
"packed-refs", "remotes", "rr-cache", "svn", NULL
};
static const char *copies[] = {
"HEAD", NULL
};
cl_git_pass(p_mkdir("alternate", 0777));
cl_git_pass(p_mkdir("alternate/.git", 0777));
for (scan = links; *scan != NULL; scan++) {
git_buf_joinpath(&link_tgt, "empty_standard_repo/.git", *scan);
if (git_path_exists(link_tgt.ptr)) {
git_buf_joinpath(&link_tgt, "../../empty_standard_repo/.git", *scan);
git_buf_joinpath(&link, "alternate/.git", *scan);
if (strchr(*scan, '/'))
git_futils_mkpath2file(link.ptr, 0777);
cl_assert_(symlink(link_tgt.ptr, link.ptr) == 0, strerror(errno));
}
}
for (scan = copies; *scan != NULL; scan++) {
git_buf_joinpath(&link_tgt, "empty_standard_repo/.git", *scan);
if (git_path_exists(link_tgt.ptr)) {
git_buf_joinpath(&link, "alternate/.git", *scan);
cl_git_pass(git_futils_readbuffer(&body, link_tgt.ptr));
cl_assert((link_fd = git_futils_creat_withpath(link.ptr, 0777, 0666)) >= 0);
cl_must_pass(p_write(link_fd, body.ptr, body.size));
p_close(link_fd);
}
}
git_buf_free(&link_tgt);
git_buf_free(&link);
git_buf_free(&body);
cl_git_pass(git_repository_open(&repo2, "alternate"));
cl_assert(git_repository_path(repo2) != NULL);
cl_assert_(git__suffixcmp(git_repository_path(repo2), "alternate/.git/") == 0, git_repository_path(repo2));
cl_assert(git_repository_workdir(repo2) != NULL);
cl_assert_(git__suffixcmp(git_repository_workdir(repo2), "alternate/") == 0, git_repository_workdir(repo2));
git_repository_free(repo2);
#endif
}
int git_path_apply_relative(git_buf *target, const char *relpath)
{
git_buf_joinpath(target, git_buf_cstr(target), relpath);
return git_path_resolve_relative(target, 0);
}
int git_blob__create_from_paths(
git_oid *id,
struct stat *out_st,
git_repository *repo,
const char *content_path,
const char *hint_path,
mode_t hint_mode,
bool try_load_filters)
{
int error;
struct stat st;
git_odb *odb = NULL;
git_off_t size;
mode_t mode;
git_buf path = GIT_BUF_INIT;
assert(hint_path || !try_load_filters);
if (!content_path) {
if (git_repository__ensure_not_bare(repo, "create blob from file") < 0)
return GIT_EBAREREPO;
if (git_buf_joinpath(
&path, git_repository_workdir(repo), hint_path) < 0)
return -1;
content_path = path.ptr;
}
if ((error = git_path_lstat(content_path, &st)) < 0 ||
(error = git_repository_odb(&odb, repo)) < 0)
goto done;
if (S_ISDIR(st.st_mode)) {
giterr_set(GITERR_ODB, "cannot create blob from '%s': it is a directory", content_path);
error = GIT_EDIRECTORY;
goto done;
}
if (out_st)
memcpy(out_st, &st, sizeof(st));
size = st.st_size;
mode = hint_mode ? hint_mode : st.st_mode;
if (S_ISLNK(mode)) {
error = write_symlink(id, odb, content_path, (size_t)size);
} else {
git_filter_list *fl = NULL;
if (try_load_filters)
/* Load the filters for writing this file to the ODB */
error = git_filter_list_load(
&fl, repo, NULL, hint_path,
GIT_FILTER_TO_ODB, GIT_FILTER_DEFAULT);
if (error < 0)
/* well, that didn't work */;
else if (fl == NULL)
/* No filters need to be applied to the document: we can stream
* directly from disk */
error = write_file_stream(id, odb, content_path, size);
else {
/* We need to apply one or more filters */
error = write_file_filtered(id, &size, odb, content_path, fl);
git_filter_list_free(fl);
}
/*
* TODO: eventually support streaming filtered files, for files
* which are bigger than a given threshold. This is not a priority
* because applying a filter in streaming mode changes the final
* size of the blob, and without knowing its final size, the blob
* cannot be written in stream mode to the ODB.
*
* The plan is to do streaming writes to a tempfile on disk and then
* opening streaming that file to the ODB, using
* `write_file_stream`.
*
* CAREFULLY DESIGNED APIS YO
*/
}
done:
git_odb_free(odb);
git_buf_dispose(&path);
return error;
}
void test_submodule_status__ignore_none(void)
{
unsigned int status;
git_submodule *sm;
git_buf path = GIT_BUF_INIT;
cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "sm_unchanged"));
cl_git_pass(git_futils_rmdir_r(git_buf_cstr(&path), NULL, GIT_RMDIR_REMOVE_FILES));
cl_assert_equal_i(GIT_ENOTFOUND,
git_submodule_lookup(&sm, g_repo, "just_a_dir"));
cl_assert_equal_i(GIT_EEXISTS,
git_submodule_lookup(&sm, g_repo, "not-submodule"));
cl_assert_equal_i(GIT_EEXISTS,
git_submodule_lookup(&sm, g_repo, "not"));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_index"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_WD_INDEX_MODIFIED) != 0);
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_head"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_WD_MODIFIED) != 0);
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_file"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_WD_WD_MODIFIED) != 0);
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_untracked_file"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_WD_UNTRACKED) != 0);
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_missing_commits"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_WD_MODIFIED) != 0);
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_added_and_uncommited"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_INDEX_ADDED) != 0);
/* removed sm_unchanged for deleted workdir */
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_unchanged"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_WD_DELETED) != 0);
/* now mkdir sm_unchanged to test uninitialized */
cl_git_pass(git_futils_mkdir(git_buf_cstr(&path), NULL, 0755, 0));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_unchanged"));
cl_git_pass(git_submodule_reload(sm));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_WD_UNINITIALIZED) != 0);
/* update sm_changed_head in index */
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_head"));
cl_git_pass(git_submodule_add_to_index(sm, true));
/* reload is not needed because add_to_index updates the submodule data */
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_INDEX_MODIFIED) != 0);
/* remove sm_changed_head from index */
{
git_index *index;
size_t pos;
cl_git_pass(git_repository_index(&index, g_repo));
cl_assert(!git_index_find(&pos, index, "sm_changed_head"));
cl_git_pass(git_index_remove(index, "sm_changed_head", 0));
cl_git_pass(git_index_write(index));
git_index_free(index);
}
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_head"));
cl_git_pass(git_submodule_reload(sm));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert((status & GIT_SUBMODULE_STATUS_INDEX_DELETED) != 0);
git_buf_free(&path);
}
void test_submodule_status__ignore_all(void)
{
unsigned int status;
git_submodule *sm;
git_buf path = GIT_BUF_INIT;
git_submodule_ignore_t ign = GIT_SUBMODULE_IGNORE_ALL;
cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "sm_unchanged"));
cl_git_pass(git_futils_rmdir_r(git_buf_cstr(&path), NULL, GIT_RMDIR_REMOVE_FILES));
cl_git_pass(git_submodule_foreach(g_repo, set_sm_ignore, &ign));
cl_assert_equal_i(GIT_ENOTFOUND,
git_submodule_lookup(&sm, g_repo, "just_a_dir"));
cl_assert_equal_i(GIT_EEXISTS,
git_submodule_lookup(&sm, g_repo, "not-submodule"));
cl_assert_equal_i(GIT_EEXISTS,
git_submodule_lookup(&sm, g_repo, "not"));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_index"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert(GIT_SUBMODULE_STATUS_IS_UNMODIFIED(status));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_head"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert(GIT_SUBMODULE_STATUS_IS_UNMODIFIED(status));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_file"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert(GIT_SUBMODULE_STATUS_IS_UNMODIFIED(status));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_untracked_file"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert(GIT_SUBMODULE_STATUS_IS_UNMODIFIED(status));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_missing_commits"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert(GIT_SUBMODULE_STATUS_IS_UNMODIFIED(status));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_added_and_uncommited"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert(GIT_SUBMODULE_STATUS_IS_UNMODIFIED(status));
/* removed sm_unchanged for deleted workdir */
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_unchanged"));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert(GIT_SUBMODULE_STATUS_IS_UNMODIFIED(status));
/* now mkdir sm_unchanged to test uninitialized */
cl_git_pass(git_futils_mkdir(git_buf_cstr(&path), NULL, 0755, 0));
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_unchanged"));
cl_git_pass(git_submodule_reload(sm));
cl_git_pass(git_submodule_status(&status, sm));
cl_assert(GIT_SUBMODULE_STATUS_IS_UNMODIFIED(status));
/* update sm_changed_head in index */
cl_git_pass(git_submodule_lookup(&sm, g_repo, "sm_changed_head"));
cl_git_pass(git_submodule_add_to_index(sm, true));
/* reload is not needed because add_to_index updates the submodule data */
cl_git_pass(git_submodule_status(&status, sm));
cl_assert(GIT_SUBMODULE_STATUS_IS_UNMODIFIED(status));
git_buf_free(&path);
}
/* rewrite gitmodules -> .gitmodules
* rewrite the empty or relative urls inside each module
* rename the .gitted directory inside any submodule to .git
*/
void rewrite_gitmodules(const char *workdir)
{
git_buf in_f = GIT_BUF_INIT, out_f = GIT_BUF_INIT, path = GIT_BUF_INIT;
FILE *in, *out;
char line[256];
cl_git_pass(git_buf_joinpath(&in_f, workdir, "gitmodules"));
cl_git_pass(git_buf_joinpath(&out_f, workdir, ".gitmodules"));
cl_assert((in = fopen(in_f.ptr, "rb")) != NULL);
cl_assert((out = fopen(out_f.ptr, "wb")) != NULL);
while (fgets(line, sizeof(line), in) != NULL) {
char *scan = line;
while (*scan == ' ' || *scan == '\t') scan++;
/* rename .gitted -> .git in submodule directories */
if (git__prefixcmp(scan, "path =") == 0) {
scan += strlen("path =");
while (*scan == ' ') scan++;
git_buf_joinpath(&path, workdir, scan);
git_buf_rtrim(&path);
git_buf_joinpath(&path, path.ptr, ".gitted");
if (!git_buf_oom(&path) && p_access(path.ptr, F_OK) == 0) {
git_buf_joinpath(&out_f, workdir, scan);
git_buf_rtrim(&out_f);
git_buf_joinpath(&out_f, out_f.ptr, ".git");
if (!git_buf_oom(&out_f))
p_rename(path.ptr, out_f.ptr);
}
}
/* copy non-"url =" lines verbatim */
if (git__prefixcmp(scan, "url =") != 0) {
fputs(line, out);
continue;
}
/* convert relative URLs in "url =" lines */
scan += strlen("url =");
while (*scan == ' ') scan++;
if (*scan == '.') {
git_buf_joinpath(&path, workdir, scan);
git_buf_rtrim(&path);
} else if (!*scan || *scan == '\n') {
git_buf_joinpath(&path, workdir, "../testrepo.git");
} else {
fputs(line, out);
continue;
}
git_path_prettify(&path, path.ptr, NULL);
git_buf_putc(&path, '\n');
cl_assert(!git_buf_oom(&path));
fwrite(line, scan - line, sizeof(char), out);
fputs(path.ptr, out);
}
fclose(in);
fclose(out);
cl_must_pass(p_unlink(in_f.ptr));
git_buf_free(&in_f);
git_buf_free(&out_f);
git_buf_free(&path);
}
int git_rebase_open(
git_rebase **out,
git_repository *repo,
const git_rebase_options *given_opts)
{
git_rebase *rebase;
git_buf path = GIT_BUF_INIT, orig_head_name = GIT_BUF_INIT,
orig_head_id = GIT_BUF_INIT, onto_id = GIT_BUF_INIT;
int state_path_len, error;
assert(repo);
if ((error = rebase_check_versions(given_opts)) < 0)
return error;
if (rebase_alloc(&rebase, given_opts) < 0)
return -1;
rebase->repo = repo;
if ((error = rebase_state_type(&rebase->type, &rebase->state_path, repo)) < 0)
goto done;
if (rebase->type == GIT_REBASE_TYPE_NONE) {
giterr_set(GITERR_REBASE, "there is no rebase in progress");
error = GIT_ENOTFOUND;
goto done;
}
if ((error = git_buf_puts(&path, rebase->state_path)) < 0)
goto done;
state_path_len = git_buf_len(&path);
if ((error = git_buf_joinpath(&path, path.ptr, HEAD_NAME_FILE)) < 0 ||
(error = git_futils_readbuffer(&orig_head_name, path.ptr)) < 0)
goto done;
git_buf_rtrim(&orig_head_name);
if (strcmp(ORIG_DETACHED_HEAD, orig_head_name.ptr) == 0)
rebase->head_detached = 1;
git_buf_truncate(&path, state_path_len);
if ((error = git_buf_joinpath(&path, path.ptr, ORIG_HEAD_FILE)) < 0)
goto done;
if (!git_path_isfile(path.ptr)) {
/* Previous versions of git.git used 'head' here; support that. */
git_buf_truncate(&path, state_path_len);
if ((error = git_buf_joinpath(&path, path.ptr, HEAD_FILE)) < 0)
goto done;
}
if ((error = git_futils_readbuffer(&orig_head_id, path.ptr)) < 0)
goto done;
git_buf_rtrim(&orig_head_id);
if ((error = git_oid_fromstr(&rebase->orig_head_id, orig_head_id.ptr)) < 0)
goto done;
git_buf_truncate(&path, state_path_len);
if ((error = git_buf_joinpath(&path, path.ptr, ONTO_FILE)) < 0 ||
(error = git_futils_readbuffer(&onto_id, path.ptr)) < 0)
goto done;
git_buf_rtrim(&onto_id);
if ((error = git_oid_fromstr(&rebase->onto_id, onto_id.ptr)) < 0)
goto done;
if (!rebase->head_detached)
rebase->orig_head_name = git_buf_detach(&orig_head_name);
switch (rebase->type) {
case GIT_REBASE_TYPE_INTERACTIVE:
giterr_set(GITERR_REBASE, "interactive rebase is not supported");
error = -1;
break;
case GIT_REBASE_TYPE_MERGE:
error = rebase_open_merge(rebase);
break;
case GIT_REBASE_TYPE_APPLY:
giterr_set(GITERR_REBASE, "patch application rebase is not supported");
error = -1;
break;
default:
abort();
}
done:
if (error == 0)
*out = rebase;
else
git_rebase_free(rebase);
git_buf_free(&path);
git_buf_free(&orig_head_name);
git_buf_free(&orig_head_id);
git_buf_free(&onto_id);
return error;
}
static int rebase_copy_notes(
git_rebase *rebase,
const git_signature *committer)
{
git_buf path = GIT_BUF_INIT, rewritten = GIT_BUF_INIT, notes_ref = GIT_BUF_INIT;
char *pair_list, *fromstr, *tostr, *end;
git_oid from, to;
unsigned int linenum = 1;
int error = 0;
if ((error = notes_ref_lookup(¬es_ref, rebase)) < 0) {
if (error == GIT_ENOTFOUND) {
giterr_clear();
error = 0;
}
goto done;
}
if ((error = git_buf_joinpath(&path, rebase->state_path, REWRITTEN_FILE)) < 0 ||
(error = git_futils_readbuffer(&rewritten, path.ptr)) < 0)
goto done;
pair_list = rewritten.ptr;
while (*pair_list) {
fromstr = pair_list;
if ((end = strchr(fromstr, '\n')) == NULL)
goto on_error;
pair_list = end+1;
*end = '\0';
if ((end = strchr(fromstr, ' ')) == NULL)
goto on_error;
tostr = end+1;
*end = '\0';
if (strlen(fromstr) != GIT_OID_HEXSZ ||
strlen(tostr) != GIT_OID_HEXSZ ||
git_oid_fromstr(&from, fromstr) < 0 ||
git_oid_fromstr(&to, tostr) < 0)
goto on_error;
if ((error = rebase_copy_note(rebase, notes_ref.ptr, &from, &to, committer)) < 0)
goto done;
linenum++;
}
goto done;
on_error:
giterr_set(GITERR_REBASE, "invalid rewritten file at line %d", linenum);
error = -1;
done:
git_buf_free(&rewritten);
git_buf_free(&path);
git_buf_free(¬es_ref);
return error;
}
