int non_perishable_cnt = 0;
static int deletion_count = 0; /* used to implement --max-delete */
+static FILE *delete_delay_fp = NULL;
/* For calling delete_item() and delete_dir_contents(). */
#define DEL_RECURSE (1<<1) /* recurse */
/* Delete a file or directory. If DEL_RECURSE is set in the flags, this will
* delete recursively.
*
- * Note that fname must point to a MAXPATHLEN buffer if the mode indicates it's
+ * Note that fbuf must point to a MAXPATHLEN buffer if the mode indicates it's
* a directory! (The buffer is used for recursion, but returned unchanged.)
*/
-static enum delret delete_item(char *fname, int mode, char *replace, int flags)
+static enum delret delete_item(char *fbuf, int mode, char *replace, int flags)
{
enum delret ret;
char *what;
if (verbose > 2) {
rprintf(FINFO, "delete_item(%s) mode=%o flags=%d\n",
- fname, mode, flags);
+ fbuf, mode, flags);
}
if (S_ISDIR(mode) && !(flags & DEL_DIR_IS_EMPTY)) {
ignore_perishable = 1;
/* If DEL_RECURSE is not set, this just reports emptiness. */
- ret = delete_dir_contents(fname, flags);
+ ret = delete_dir_contents(fbuf, flags);
ignore_perishable = 0;
if (ret == DR_NOT_EMPTY || ret == DR_AT_LIMIT)
goto check_ret;
if (S_ISDIR(mode)) {
what = "rmdir";
- ok = do_rmdir(fname) == 0;
- } else if (make_backups && (backup_dir || !is_backup_file(fname))) {
+ ok = do_rmdir(fbuf) == 0;
+ } else if (make_backups && (backup_dir || !is_backup_file(fbuf))) {
what = "make_backup";
- ok = make_backup(fname);
+ ok = make_backup(fbuf);
} else {
what = "unlink";
- ok = robust_unlink(fname) == 0;
+ ok = robust_unlink(fbuf) == 0;
}
if (ok) {
if (!replace)
- log_delete(fname, mode);
+ log_delete(fbuf, mode);
ret = DR_SUCCESS;
} else {
if (S_ISDIR(mode) && errno == ENOTEMPTY) {
rprintf(FINFO, "cannot delete non-empty directory: %s\n",
- fname);
+ fbuf);
ret = DR_NOT_EMPTY;
} else if (errno != ENOENT) {
rsyserr(FERROR, errno, "delete_file: %s(%s) failed",
- what, full_fname(fname));
+ what, fbuf);
ret = DR_FAILURE;
} else {
deletion_count--;
check_ret:
if (replace && ret != DR_SUCCESS) {
rprintf(FERROR, "could not make way for new %s: %s\n",
- replace, fname);
+ replace, fbuf);
}
return ret;
}
return ret;
}
+static void start_delete_temp(void)
+{
+ char fnametmp[MAXPATHLEN];
+ int fd, save_dry_run = dry_run;
+
+ dry_run = 0;
+ if (!get_tmpname(fnametmp, "deldelay")
+ || (fd = do_mkstemp(fnametmp, 0600)) < 0
+ || !(delete_delay_fp = fdopen(fd, "w+"))) {
+ rprintf(FERROR, "Unable to create delete-delay temp file.\n");
+ exit_cleanup(RERR_FILEIO);
+ }
+ dry_run = save_dry_run;
+ unlink(fnametmp);
+}
+
+static int read_delay_line(FILE *fp, char *buf, int bsize)
+{
+ int ch, mode = 0;
+
+ if ((ch = fgetc(fp)) == EOF)
+ return -1;
+
+ while (1) {
+ if (ch == ' ')
+ break;
+ if (ch > '7' || ch < '0') {
+ rprintf(FERROR, "invalid data in delete-delay file.\n");
+ exit_cleanup(RERR_FILEIO);
+ }
+ mode = mode*8 + ch - '0';
+ if ((ch = fgetc(fp)) == EOF) {
+ unexpected_eof:
+ rprintf(FERROR, "unexpected EOF in delete-delay file.\n");
+ exit_cleanup(RERR_FILEIO);
+ }
+ }
+
+ while (1) {
+ if ((ch = fgetc(fp)) == EOF)
+ goto unexpected_eof;
+ if (bsize-- <= 0) {
+ rprintf(FERROR, "filename too long in delete-delay file.\n");
+ exit_cleanup(RERR_FILEIO);
+ }
+ *buf++ = (char)ch;
+ if (ch == '\0')
+ break;
+ }
+
+ return mode;
+}
+
+static void delayed_deletions(char *delbuf)
+{
+ int mode;
+
+ fseek(delete_delay_fp, 0, 0);
+ while ((mode = read_delay_line(delete_delay_fp, delbuf, MAXPATHLEN)) >= 0)
+ delete_item(delbuf, mode, NULL, DEL_RECURSE);
+ fclose(delete_delay_fp);
+}
/* This function is used to implement per-directory deletion, and is used by
* all the --delete-WHEN options. Note that the fbuf pointer must point to a
}
if (flist_find(flist, fp) < 0) {
f_name(fp, delbuf);
- delete_item(delbuf, fp->mode, NULL, DEL_RECURSE);
+ if (delete_delay_fp)
+ fprintf(delete_delay_fp, "%o %s%c", (short)fp->mode, delbuf, '\0');
+ else
+ delete_item(delbuf, fp->mode, NULL, DEL_RECURSE);
}
}
if (delete_before && !local_name && flist->count > 0)
do_delete_pass(flist);
+ if (delete_during == 2)
+ start_delete_temp();
do_progress = 0;
if (append_mode || whole_file < 0)
}
do_progress = save_do_progress;
+ if (delete_delay_fp)
+ delayed_deletions(fbuf);
if (delete_after && !local_name && flist->count > 0)
do_delete_pass(flist);