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new: Defer updating directory mtimes until the end.

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Previously, if notmuch new were interrupted between updating the
directory mtime and handling removals from that directory, a
subsequent notmuch new would not handle those removals until something
else changed in that directory.  This defers recording the updated
mtime until after removals are handled to eliminate this problem.
This commit is contained in:
Austin Clements 2011-02-08 18:24:33 -05:00 committed by David Bremner
parent 8e7a108363
commit fcd433709e
1 changed files with 18 additions and 6 deletions
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24
notmuch-new.c
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@ -24,6 +24,7 @@
typedef struct _filename_node {
char *filename;
time_t mtime;
struct _filename_node *next;
} _filename_node_t;
@ -46,6 +47,7 @@ typedef struct {
_filename_list_t *removed_files;
_filename_list_t *removed_directories;
_filename_list_t *directory_mtimes;
notmuch_bool_t synchronize_flags;
_filename_list_t *message_ids_to_sync;
@ -86,7 +88,7 @@ _filename_list_create (const void *ctx)
return list;
}
static void
static _filename_node_t *
_filename_list_add (_filename_list_t *list,
const char *filename)
{
@ -99,6 +101,8 @@ _filename_list_add (_filename_list_t *list,
*(list->tail) = node;
list->tail = &node->next;
return node;
}
static void
@ -536,11 +540,8 @@ add_files_recursive (notmuch_database_t *notmuch,
* the database because a message could be delivered later in this
* same second. This may lead to unnecessary re-scans, but it
* avoids overlooking messages. */
if (! interrupted && fs_mtime != stat_time) {
status = notmuch_directory_set_mtime (directory, fs_mtime);
if (status && ret == NOTMUCH_STATUS_SUCCESS)
ret = status;
}
if (fs_mtime != stat_time)
_filename_list_add (state->directory_mtimes, path)->mtime = fs_mtime;
DONE:
if (next)
@ -856,6 +857,7 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
add_files_state.removed_files = _filename_list_create (ctx);
add_files_state.removed_directories = _filename_list_create (ctx);
add_files_state.directory_mtimes = _filename_list_create (ctx);
if (! debugger_is_active () && add_files_state.output_is_a_tty
&& ! add_files_state.verbose) {
@ -894,8 +896,18 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
}
}
for (f = add_files_state.directory_mtimes->head; f && !interrupted; f = f->next) {
notmuch_directory_t *directory;
directory = notmuch_database_get_directory (notmuch, f->filename);
if (directory) {
notmuch_directory_set_mtime (directory, f->mtime);
notmuch_directory_destroy (directory);
}
}
talloc_free (add_files_state.removed_files);
talloc_free (add_files_state.removed_directories);
talloc_free (add_files_state.directory_mtimes);
/* Now that removals are done (hence the database is aware of all
* renames), we can synchronize maildir_flags to tags for all