if (!lstat(name, &st))
die("ambiguous argument '%s': both revision and filename\n"
"Use '--' to separate filenames from revisions", arg);
- if (errno != ENOENT)
+ if (errno != ENOENT && errno != ENOTDIR)
die("'%s': %s", arg, strerror(errno));
}
*/
const char *set_work_tree(const char *dir)
{
- char dir_buffer[PATH_MAX];
- static char buffer[PATH_MAX + 1], *rel = NULL;
- int len, postfix_len = strlen(DEFAULT_GIT_DIR_ENVIRONMENT) + 1;
+ char dir_buffer[PATH_MAX], *rel = NULL;
+ static char buffer[PATH_MAX + 1];
+ int len, suffix_len = strlen(DEFAULT_GIT_DIR_ENVIRONMENT) + 1;
/* strip the variable 'dir' of the postfix "/.git" if it has it */
len = strlen(dir);
- if (len > postfix_len && !strcmp(dir + len - postfix_len,
- "/" DEFAULT_GIT_DIR_ENVIRONMENT)) {
- strncpy(dir_buffer, dir, len - postfix_len);
+ if (len > suffix_len &&
+ !strcmp(dir + len - suffix_len, "/" DEFAULT_GIT_DIR_ENVIRONMENT)) {
+ if ((len - suffix_len) >= sizeof(dir_buffer))
+ die("directory name too long");
+ memcpy(dir_buffer, dir, len - suffix_len);
+ dir_buffer[len - suffix_len] = '\0';
/* are we inside the default work tree? */
rel = get_relative_cwd(buffer, sizeof(buffer), dir_buffer);
}
+
/* if rel is set, the cwd is _not_ the current working tree */
if (rel && *rel) {
if (!is_absolute_path(dir))
set_git_dir(make_absolute_path(dir));
dir = dir_buffer;
- chdir(dir);
- strcat(rel, "/");
+ if (chdir(dir))
+ die("cannot chdir to %s: %s", dir, strerror(errno));
+ else
+ strcat(rel, "/");
inside_git_dir = 0;
} else {
rel = NULL;