return 0;
}
-static void update_common_dir(struct strbuf *buf, int git_dir_len)
+static void update_common_dir(struct strbuf *buf, int git_dir_len,
+ const char *common_dir)
{
char *base = buf->buf + git_dir_len;
init_common_trie();
+ if (!common_dir)
+ common_dir = get_git_common_dir();
if (trie_find(&common_trie, base, check_common, NULL) > 0)
- replace_dir(buf, git_dir_len, get_git_common_dir());
+ replace_dir(buf, git_dir_len, common_dir);
}
void report_linked_checkout_garbage(void)
strbuf_setlen(&sb, len);
strbuf_addstr(&sb, path);
if (file_exists(sb.buf))
- report_garbage("unused in linked checkout", sb.buf);
+ report_garbage(PACKDIR_FILE_GARBAGE, sb.buf);
}
strbuf_release(&sb);
}
else if (git_db_env && dir_prefix(base, "objects"))
replace_dir(buf, git_dir_len + 7, get_object_directory());
else if (git_common_dir_env)
- update_common_dir(buf, git_dir_len);
+ update_common_dir(buf, git_dir_len, NULL);
}
static void do_git_path(struct strbuf *buf, const char *fmt, va_list args)
strbuf_cleanup_path(buf);
}
+char *git_path_buf(struct strbuf *buf, const char *fmt, ...)
+{
+ va_list args;
+ strbuf_reset(buf);
+ va_start(args, fmt);
+ do_git_path(buf, fmt, args);
+ va_end(args);
+ return buf->buf;
+}
+
void strbuf_git_path(struct strbuf *sb, const char *fmt, ...)
{
va_list args;
const char *fmt, va_list args)
{
const char *git_dir;
+ struct strbuf git_submodule_common_dir = STRBUF_INIT;
+ struct strbuf git_submodule_dir = STRBUF_INIT;
strbuf_addstr(buf, path);
- if (buf->len && buf->buf[buf->len - 1] != '/')
- strbuf_addch(buf, '/');
+ strbuf_complete(buf, '/');
strbuf_addstr(buf, ".git");
git_dir = read_gitfile(buf->buf);
strbuf_addstr(buf, git_dir);
}
strbuf_addch(buf, '/');
+ strbuf_addstr(&git_submodule_dir, buf->buf);
strbuf_vaddf(buf, fmt, args);
+
+ if (get_common_dir_noenv(&git_submodule_common_dir, git_submodule_dir.buf))
+ update_common_dir(buf, git_submodule_dir.len, git_submodule_common_dir.buf);
+
strbuf_cleanup_path(buf);
+
+ strbuf_release(&git_submodule_dir);
+ strbuf_release(&git_submodule_common_dir);
}
char *git_pathdup_submodule(const char *path, const char *fmt, ...)
*/
const char *enter_repo(const char *path, int strict)
{
- static char used_path[PATH_MAX];
- static char validated_path[PATH_MAX];
+ static struct strbuf validated_path = STRBUF_INIT;
+ static struct strbuf used_path = STRBUF_INIT;
if (!path)
return NULL;
while ((1 < len) && (path[len-1] == '/'))
len--;
+ /*
+ * We can handle arbitrary-sized buffers, but this remains as a
+ * sanity check on untrusted input.
+ */
if (PATH_MAX <= len)
return NULL;
- strncpy(used_path, path, len); used_path[len] = 0 ;
- strcpy(validated_path, used_path);
- if (used_path[0] == '~') {
- char *newpath = expand_user_path(used_path);
- if (!newpath || (PATH_MAX - 10 < strlen(newpath))) {
- free(newpath);
+ strbuf_reset(&used_path);
+ strbuf_reset(&validated_path);
+ strbuf_add(&used_path, path, len);
+ strbuf_add(&validated_path, path, len);
+
+ if (used_path.buf[0] == '~') {
+ char *newpath = expand_user_path(used_path.buf);
+ if (!newpath)
return NULL;
- }
- /*
- * Copy back into the static buffer. A pity
- * since newpath was not bounded, but other
- * branches of the if are limited by PATH_MAX
- * anyway.
- */
- strcpy(used_path, newpath); free(newpath);
+ strbuf_attach(&used_path, newpath, strlen(newpath),
+ strlen(newpath));
}
- else if (PATH_MAX - 10 < len)
- return NULL;
- len = strlen(used_path);
for (i = 0; suffix[i]; i++) {
struct stat st;
- strcpy(used_path + len, suffix[i]);
- if (!stat(used_path, &st) &&
+ size_t baselen = used_path.len;
+ strbuf_addstr(&used_path, suffix[i]);
+ if (!stat(used_path.buf, &st) &&
(S_ISREG(st.st_mode) ||
- (S_ISDIR(st.st_mode) && is_git_directory(used_path)))) {
- strcat(validated_path, suffix[i]);
+ (S_ISDIR(st.st_mode) && is_git_directory(used_path.buf)))) {
+ strbuf_addstr(&validated_path, suffix[i]);
break;
}
+ strbuf_setlen(&used_path, baselen);
}
if (!suffix[i])
return NULL;
- gitfile = read_gitfile(used_path) ;
+ gitfile = read_gitfile(used_path.buf);
+ if (gitfile) {
+ strbuf_reset(&used_path);
+ strbuf_addstr(&used_path, gitfile);
+ }
+ if (chdir(used_path.buf))
+ return NULL;
+ path = validated_path.buf;
+ }
+ else {
+ const char *gitfile = read_gitfile(path);
if (gitfile)
- strcpy(used_path, gitfile);
- if (chdir(used_path))
+ path = gitfile;
+ if (chdir(path))
return NULL;
- path = validated_path;
}
- else if (chdir(path))
- return NULL;
- if (access("objects", X_OK) == 0 && access("refs", X_OK) == 0 &&
- validate_headref("HEAD") == 0) {
+ if (is_git_directory(".")) {
set_git_dir(".");
check_repository_format();
return path;
*/
const char *remove_leading_path(const char *in, const char *prefix)
{
- static char buf[PATH_MAX + 1];
+ static struct strbuf buf = STRBUF_INIT;
int i = 0, j = 0;
if (!prefix || !prefix[0])
return in;
while (is_dir_sep(in[j]))
j++;
+
+ strbuf_reset(&buf);
if (!in[j])
- strcpy(buf, ".");
+ strbuf_addstr(&buf, ".");
else
- strcpy(buf, in + j);
- return buf;
+ strbuf_addstr(&buf, in + j);
+ return buf.buf;
}
/*
* normalized, any time "../" eats up to the prefix_len part,
* prefix_len is reduced. In the end prefix_len is the remaining
* prefix that has not been overridden by user pathspec.
+ *
+ * NEEDSWORK: This function doesn't perform normalization w.r.t. trailing '/'.
+ * For everything but the root folder itself, the normalized path should not
+ * end with a '/', then the callers need to be fixed up accordingly.
+ *
*/
int normalize_path_copy_len(char *dst, const char *src, int *prefix_len)
{