static void copy_templates(const char *template_dir)
{
struct strbuf path = STRBUF_INIT;
struct strbuf template_path = STRBUF_INIT;
size_t template_len;
struct repository_format template_format = REPOSITORY_FORMAT_INIT;
struct strbuf err = STRBUF_INIT;
DIR *dir;
char *to_free = NULL;
if (!template_dir)
template_dir = getenv(TEMPLATE_DIR_ENVIRONMENT);
if (!template_dir)
template_dir = init_db_template_dir;
if (!template_dir)
template_dir = to_free = system_path(DEFAULT_GIT_TEMPLATE_DIR);
if (!template_dir[0]) {
free(to_free);
return;
}
strbuf_addstr(&template_path, template_dir);
strbuf_complete(&template_path, '/');
template_len = template_path.len;
dir = opendir(template_path.buf);
if (!dir) {
warning(_("templates not found in %s"), template_dir);
goto free_return;
}
/* Make sure that template is from the correct vintage */
strbuf_addstr(&template_path, "config");
read_repository_format(&template_format, template_path.buf);
strbuf_setlen(&template_path, template_len);
/*
* No mention of version at all is OK, but anything else should be
* verified.
*/
if (template_format.version >= 0 &&
verify_repository_format(&template_format, &err) < 0) {
warning(_("not copying templates from '%s': %s"),
template_dir, err.buf);
strbuf_release(&err);
goto close_free_return;
}
strbuf_addstr(&path, get_git_common_dir());
strbuf_complete(&path, '/');
copy_templates_1(&path, &template_path, dir);
close_free_return:
closedir(dir);
free_return:
free(to_free);
strbuf_release(&path);
strbuf_release(&template_path);
clear_repository_format(&template_format);
}
static void copy_templates_1(struct strbuf *path, struct strbuf *template_path,
DIR *dir)
{
size_t path_baselen = path->len;
size_t template_baselen = template_path->len;
struct dirent *de;
/* Note: if ".git/hooks" file exists in the repository being
* re-initialized, /etc/core-git/templates/hooks/update would
* cause "git init" to fail here. I think this is sane but
* it means that the set of templates we ship by default, along
* with the way the namespace under .git/ is organized, should
* be really carefully chosen.
*/
safe_create_dir(path->buf, 1);
while ((de = readdir(dir)) != NULL) {
struct stat st_git, st_template;
int exists = 0;
strbuf_setlen(path, path_baselen);
strbuf_setlen(template_path, template_baselen);
if (de->d_name[0] == '.')
continue;
strbuf_addstr(path, de->d_name);
strbuf_addstr(template_path, de->d_name);
if (lstat(path->buf, &st_git)) {
if (errno != ENOENT)
die_errno(_("cannot stat '%s'"), path->buf);
}
else
exists = 1;
if (lstat(template_path->buf, &st_template))
die_errno(_("cannot stat template '%s'"), template_path->buf);
if (S_ISDIR(st_template.st_mode)) {
DIR *subdir = opendir(template_path->buf);
if (!subdir)
die_errno(_("cannot opendir '%s'"), template_path->buf);
strbuf_addch(path, '/');
strbuf_addch(template_path, '/');
copy_templates_1(path, template_path, subdir);
closedir(subdir);
}
else if (exists)
continue;
else if (S_ISLNK(st_template.st_mode)) {
struct strbuf lnk = STRBUF_INIT;
if (strbuf_readlink(&lnk, template_path->buf,
st_template.st_size) < 0)
die_errno(_("cannot readlink '%s'"), template_path->buf);
if (create_symlink(NULL, lnk.buf, path->buf))
die_errno(_("cannot symlink '%s' '%s'"),
lnk.buf, path->buf);
strbuf_release(&lnk);
}
else if (S_ISREG(st_template.st_mode)) {
if (copy_file(path->buf, template_path->buf, st_template.st_mode))
die_errno(_("cannot copy '%s' to '%s'"),
template_path->buf, path->buf);
}
else
error(_("ignoring template %s"), template_path->buf);
}
}
