This patches adds the --backup-deleted option, as proposed by Jonathan
Kames in bug 7889.
To use this patch, run these commands for a successful build:
patch -p1 <patches/backup-deleted.diff
./configure (optional if already run)
make
based-on: e94bad1c156fc3910f24e2b3b71a81b0b0bdeb70
diff --git a/generator.c b/generator.c
--- a/generator.c
+++ b/generator.c
@@ -1837,7 +1837,7 @@ static void recv_generator(char *fname, struct file_struct *file, int ndx,
goto notify_others;
if (read_batch || whole_file) {
- if (inplace && make_backups > 0 && fnamecmp_type == FNAMECMP_FNAME) {
+ if (inplace && make_backups > 1 && fnamecmp_type == FNAMECMP_FNAME) {
if (!(backupptr = get_backup_name(fname)))
goto cleanup;
if (!(back_file = make_file(fname, NULL, NULL, 0, NO_FILTERS)))
@@ -1873,7 +1873,7 @@ static void recv_generator(char *fname, struct file_struct *file, int ndx,
goto notify_others;
}
- if (inplace && make_backups > 0 && fnamecmp_type == FNAMECMP_FNAME) {
+ if (inplace && make_backups > 1 && fnamecmp_type == FNAMECMP_FNAME) {
if (!(backupptr = get_backup_name(fname))) {
close(fd);
goto cleanup;
@@ -1997,7 +1997,7 @@ int atomic_create(struct file_struct *file, char *fname, const char *slnk, const
skip_atomic = 0;
if (del_for_flag) {
- if (make_backups > 0 && !dir_in_the_way) {
+ if (make_backups > 1 && !dir_in_the_way) {
if (!make_backup(fname, skip_atomic))
return 0;
} else if (skip_atomic) {
diff --git a/options.c b/options.c
--- a/options.c
+++ b/options.c
@@ -766,7 +766,8 @@ static struct poptOption long_options[] = {
{"no-i", 0, POPT_ARG_VAL, &itemize_changes, 0, 0, 0 },
{"bwlimit", 0, POPT_ARG_STRING, &bwlimit_arg, OPT_BWLIMIT, 0, 0 },
{"no-bwlimit", 0, POPT_ARG_VAL, &bwlimit, 0, 0, 0 },
- {"backup", 'b', POPT_ARG_VAL, &make_backups, 1, 0, 0 },
+ {"backup", 'b', POPT_ARG_VAL, &make_backups, 2, 0, 0 },
+ {"backup-deleted", 0, POPT_ARG_VAL, &make_backups, 1, 0, 0 },
{"no-backup", 0, POPT_ARG_VAL, &make_backups, 0, 0, 0 },
{"backup-dir", 0, POPT_ARG_STRING, &backup_dir, 0, 0, 0 },
{"suffix", 0, POPT_ARG_STRING, &backup_suffix, 0, 0, 0 },
@@ -2726,6 +2727,10 @@ void server_options(char **args, int *argc_p)
}
if (am_sender) {
+ /* A remote sender just needs the above -b option.
+ * A remote receiver will override that with this option. */
+ if (make_backups == 1)
+ args[ac++] = "--backup-deleted";
if (max_delete > 0) {
if (asprintf(&arg, "--max-delete=%d", max_delete) < 0)
goto oom;
diff --git a/receiver.c b/receiver.c
--- a/receiver.c
+++ b/receiver.c
@@ -420,7 +420,7 @@ static void handle_delayed_updates(char *local_name)
struct file_struct *file = cur_flist->files[ndx];
fname = local_name ? local_name : f_name(file, NULL);
if ((partialptr = partial_dir_fname(fname)) != NULL) {
- if (make_backups > 0 && !make_backup(fname, False))
+ if (make_backups > 1 && !make_backup(fname, False))
continue;
if (DEBUG_GTE(RECV, 1)) {
rprintf(FINFO, "renaming %s to %s\n",
@@ -736,7 +736,7 @@ int recv_files(int f_in, int f_out, char *local_name)
} else {
/* Reminder: --inplace && --partial-dir are never
* enabled at the same time. */
- if (inplace && make_backups > 0) {
+ if (inplace && make_backups > 1) {
if (!(fnamecmp = get_backup_name(fname)))
fnamecmp = fname;
else
diff --git a/rsync.1.md b/rsync.1.md
--- a/rsync.1.md
+++ b/rsync.1.md
@@ -344,6 +344,7 @@ detailed description below for a complete description.
--relative, -R use relative path names
--no-implied-dirs don't send implied dirs with --relative
--backup, -b make backups (see --suffix & --backup-dir)
+--backup-deleted make backups only of deleted files
--backup-dir=DIR make backups into hierarchy based in DIR
--suffix=SUFFIX backup suffix (default ~ w/o --backup-dir)
--update, -u skip files that are newer on the receiver
@@ -856,6 +857,13 @@ your home directory (remove the '=' for that).
trailing inclusion/exclusion of `*`, the auto-added rule would never be
reached).
+0. --backup-deleted
+
+ With this option, deleted destination files are renamed, while modified
+ destination files are not. Otherwise, this option behaves the same as
+ `--backup`, described above. Note that if `--backup` is also specified,
+ whichever option is specified last takes precedence.
+
0. `--backup-dir=DIR`
This implies the `--backup` option, and tells rsync to store all
diff --git a/rsync.c b/rsync.c
--- a/rsync.c
+++ b/rsync.c
@@ -721,7 +721,7 @@ int finish_transfer(const char *fname, const char *fnametmp,
goto do_set_file_attrs;
}
- if (make_backups > 0 && overwriting_basis) {
+ if (make_backups > 1 && overwriting_basis) {
int ok = make_backup(fname, False);
if (!ok)
exit_cleanup(RERR_FILEIO);
diff -Nurp a/rsync.1 b/rsync.1
--- a/rsync.1
+++ b/rsync.1
@@ -420,6 +420,7 @@ detailed description below for a complet
--relative, -R use relative path names
--no-implied-dirs don't send implied dirs with --relative
--backup, -b make backups (see --suffix & --backup-dir)
+--backup-deleted make backups only of deleted files
--backup-dir=DIR make backups into hierarchy based in DIR
--suffix=SUFFIX backup suffix (default ~ w/o --backup-dir)
--update, -u skip files that are newer on the receiver
@@ -931,6 +932,11 @@ your own exclude/protect rule somewhere
has a high enough priority to be effective (e.g., if your rules specify a
trailing inclusion/exclusion of \fB*\fP, the auto-added rule would never be
reached).
+.IP "\-\-backup-deleted"
+With this option, deleted destination files are renamed, while modified
+destination files are not. Otherwise, this option behaves the same as
+\fB\-\-backup\fP, described above. Note that if \fB\-\-backup\fP is also specified,
+whichever option is specified last takes precedence.
.IP "\fB\-\-backup-dir=DIR\fP"
This implies the \fB\-\-backup\fP option, and tells rsync to store all
backups in the specified directory on the receiving side. This can be used
diff -Nurp a/rsync.1.html b/rsync.1.html
--- a/rsync.1.html
+++ b/rsync.1.html
@@ -335,6 +335,7 @@ detailed description below for a complet
--relative, -R use relative path names
--no-implied-dirs don't send implied dirs with --relative
--backup, -b make backups (see --suffix & --backup-dir)
+--backup-deleted make backups only of deleted files
--backup-dir=DIR make backups into hierarchy based in DIR
--suffix=SUFFIX backup suffix (default ~ w/o --backup-dir)
--update, -u skip files that are newer on the receiver
@@ -834,6 +835,13 @@ trailing inclusion/exclusion of <code>*<
reached).</p>
</dd>
+<dt>-⁠-⁠backup-deleted</dt><dd>
+<p>With this option, deleted destination files are renamed, while modified
+destination files are not. Otherwise, this option behaves the same as
+<code>--backup</code>, described above. Note that if <code>--backup</code> is also specified,
+whichever option is specified last takes precedence.</p>
+</dd>
+
<dt><code>--backup-dir=DIR</code></dt><dd>
<p>This implies the <code>--backup</code> option, and tells rsync to store all
backups in the specified directory on the receiving side. This can be used
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