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undo: Automatically create undo directory if needed

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ZyX
2015-10-29 01:24:04 +03:00
parent d99941777d
commit ffdf9399ba
2 changed files with 22 additions and 5 deletions
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19
src/nvim/undo.c
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@@ -644,7 +644,9 @@ void u_compute_hash(char_u *hash)
/// be found.
/// @param[in] reading If true, find the file to read by traversing all of the
/// directories in &undodir. If false use the first
/// existing directory.
/// existing directory. If none of the directories in
/// &undodir option exist then last directory in the list
/// will be automatically created.
///
/// @return [allocated] File name to read from/write to or NULL.
char *u_get_undo_file_name(const char *const buf_ffname, const bool reading)
@@ -690,7 +692,20 @@ char *u_get_undo_file_name(const char *const buf_ffname, const bool reading)
memmove(tail + tail_len + 1, ".un~", sizeof(".un~"));
} else {
dir_name[dir_len] = NUL;
if (os_isdir((char_u *)dir_name)) {
bool has_directory = os_isdir((char_u *)dir_name);
if (!has_directory && *dirp == NUL && !reading) {
// Last directory in the list does not exist, create it.
int ret;
char *failed_dir;
if ((ret = os_mkdir_recurse(dir_name, 0755, &failed_dir)) != 0) {
EMSG3(_("E926: Unable to create directory \"%s\" for undo file: %s"),
failed_dir, os_strerror(ret));
xfree(failed_dir);
} else {
has_directory = true;
}
}
if (has_directory) {
if (munged_name == NULL) {
munged_name = xstrdup(ffname);
for (char *p = munged_name; *p != NUL; mb_ptr_adv(p)) {