[PATCH] added support for user-specified files & directories to ignore

Tomi Ollila tomi.ollila at iki.fi
Tue Jan 31 08:28:04 PST 2012


A new configuration key 'new.ignore' is used to determine which
files and directories user wants not to be scanned as new mails.

This work merges my previous attempts and Andreas Amann's work
in id:"ylp7hi23mw8.fsf at tyndall.ie"

See notes in id:"20120131-new-ignore-1-git-send-email-too at iki.fi"
---
Notes

1) Currently there is comment for new.ignore in newly created configuration
file but as the list is initially empty there will be not tag in place.

2) Whenever some already existing directory is added to the exclude list
and the parent directory timestamp has not changed, notmuch new will not
notice the directory has gone (as it still is there), user needs to 'touch'
the parent directory before next 'notmuch new' no make notmuch notice.

2012-01-26: could notmuch track mtime of the configuration file and if
that changes, ignore mail directory timestamps ?


3) in id:"1327572718-13411-2-git-send-email-tomi.ollila at iki.fi" dropped...

 notmuch-client.h |    8 ++++++++
 notmuch-config.c |   35 +++++++++++++++++++++++++++++++++--
 notmuch-new.c    |   45 +++++++++++++++++++++++++++++++++------------
 3 files changed, 74 insertions(+), 14 deletions(-)

diff --git a/notmuch-client.h b/notmuch-client.h
index e0eb594..c62ce78 100644
--- a/notmuch-client.h
+++ b/notmuch-client.h
@@ -250,6 +250,14 @@ notmuch_config_set_new_tags (notmuch_config_t *config,
 			     const char *new_tags[],
 			     size_t length);
 
+const char **
+notmuch_config_get_new_ignore (notmuch_config_t *config,
+			       size_t *length);
+void
+notmuch_config_set_new_ignore (notmuch_config_t *config,
+			       const char *new_ignore[],
+			       size_t length);
+
 notmuch_bool_t
 notmuch_config_get_maildir_synchronize_flags (notmuch_config_t *config);
 
diff --git a/notmuch-config.c b/notmuch-config.c
index a124e34..f1cc5c2 100644
--- a/notmuch-config.c
+++ b/notmuch-config.c
@@ -44,7 +44,10 @@ static const char new_config_comment[] =
     " The following options are supported here:\n"
     "\n"
     "\ttags	A list (separated by ';') of the tags that will be\n"
-    "\t	added to all messages incorporated by \"notmuch new\".\n";
+    "\t	added to all messages incorporated by \"notmuch new\".\n"
+    "\n"
+    "\tignore	A list (separated by ';') of files and directories that"
+    "\t	will not be searched for messages by \"notmuch new\".\n";
 
 static const char user_config_comment[] =
     " User configuration\n"
@@ -105,6 +108,8 @@ struct _notmuch_config {
     size_t user_other_email_length;
     const char **new_tags;
     size_t new_tags_length;
+    const char **new_ignore;
+    size_t new_ignore_length;
     notmuch_bool_t maildir_synchronize_flags;
     const char **search_exclude_tags;
     size_t search_exclude_tags_length;
@@ -264,6 +269,8 @@ notmuch_config_open (void *ctx,
     config->user_other_email_length = 0;
     config->new_tags = NULL;
     config->new_tags_length = 0;
+    config->new_ignore = NULL;
+    config->new_ignore_length = 0;
     config->maildir_synchronize_flags = TRUE;
     config->search_exclude_tags = NULL;
     config->search_exclude_tags_length = 0;
@@ -360,7 +367,11 @@ notmuch_config_open (void *ctx,
         const char *tags[] = { "unread", "inbox" };
 	notmuch_config_set_new_tags (config, tags, 2);
     }
-
+#if 0 /* No point setting empty list -- it's not written */
+    if (notmuch_config_get_new_ignore (config, &tmp) == NULL) {
+	notmuch_config_set_new_ignore (config, NULL, 0);
+    }
+#endif
     if (notmuch_config_get_search_exclude_tags (config, &tmp) == NULL) {
 	if (is_new) {
 	    const char *tags[] = { "deleted", "spam" };
@@ -609,6 +620,15 @@ notmuch_config_get_new_tags (notmuch_config_t *config,   size_t *length)
 			     &(config->new_tags_length), length);
 }
 
+const char **
+notmuch_config_get_new_ignore (notmuch_config_t *config,   size_t *length)
+{
+    return _config_get_list (config, "new", "ignore",
+			     &(config->new_ignore),
+			     &(config->new_ignore_length), length);
+}
+
+
 void
 notmuch_config_set_user_other_email (notmuch_config_t *config,
 				     const char *list[],
@@ -627,6 +647,17 @@ notmuch_config_set_new_tags (notmuch_config_t *config,
 		     &(config->new_tags));
 }
 
+#if 0 /* UNNEEDED SO FAR */
+void
+notmuch_config_set_new_ignore (notmuch_config_t *config,
+			       const char *list[],
+			       size_t length)
+{
+    _config_set_list (config, "new", "ignore", list, length,
+		     &(config->new_ignore));
+}
+#endif
+
 const char **
 notmuch_config_get_search_exclude_tags (notmuch_config_t *config, size_t *length)
 {
diff --git a/notmuch-new.c b/notmuch-new.c
index a569a54..36d5c5d 100644
--- a/notmuch-new.c
+++ b/notmuch-new.c
@@ -39,6 +39,8 @@ typedef struct {
     int verbose;
     const char **new_tags;
     size_t new_tags_length;
+    const char **new_ignore;
+    size_t new_ignore_length;
 
     int total_files;
     int processed_files;
@@ -181,6 +183,20 @@ _entries_resemble_maildir (struct dirent **entries, int count)
     return 0;
 }
 
+/* Check if user asked to ignore these files/directories */
+
+static int
+_entry_in_ignore_list (const char *entry, add_files_state_t *state)
+{
+    size_t i, ignore_length = state->new_ignore_length;
+
+    for (i = 0; i < ignore_length; i++)
+	if (strcmp (entry, state->new_ignore[i]) == 0)
+	    return 1;
+
+    return 0;
+}
+
 /* Examine 'path' recursively as follows:
  *
  *   o Ask the filesystem for the mtime of 'path' (fs_mtime)
@@ -320,15 +336,15 @@ add_files_recursive (notmuch_database_t *notmuch,
 	}
 
 	/* Ignore special directories to avoid infinite recursion.
-	 * Also ignore the .notmuch directory and any "tmp" directory
-	 * that appears within a maildir.
+	 * Also ignore the .notmuch directory, any "tmp" directory
+	 * that appears within a maildir and files/directories
+	 * user have configured to be ignored.
 	 */
-	/* XXX: Eventually we'll want more sophistication to let the
-	 * user specify files to be ignored. */
 	if (strcmp (entry->d_name, ".") == 0 ||
 	    strcmp (entry->d_name, "..") == 0 ||
 	    (is_maildir && strcmp (entry->d_name, "tmp") == 0) ||
-	    strcmp (entry->d_name, ".notmuch") ==0)
+	    strcmp (entry->d_name, ".notmuch") == 0 ||
+	    _entry_in_ignore_list (entry->d_name, state))
 	{
 	    continue;
 	}
@@ -369,6 +385,10 @@ add_files_recursive (notmuch_database_t *notmuch,
 
         entry = fs_entries[i];
 
+	/* Ignore files & directories user has configured to be ignored */
+	if (_entry_in_ignore_list (entry->d_name, state))
+	    continue;
+
 	/* Check if we've walked past any names in db_files or
 	 * db_subdirs. If so, these have been deleted. */
 	while (notmuch_filenames_valid (db_files) &&
@@ -648,7 +668,7 @@ add_files (notmuch_database_t *notmuch,
  * initialized to zero by the top-level caller before calling
  * count_files). */
 static void
-count_files (const char *path, int *count)
+count_files (const char *path, int *count, add_files_state_t *state)
 {
     struct dirent *entry = NULL;
     char *next;
@@ -670,13 +690,13 @@ count_files (const char *path, int *count)
         entry = fs_entries[i++];
 
 	/* Ignore special directories to avoid infinite recursion.
-	 * Also ignore the .notmuch directory.
+	 * Also ignore the .notmuch directory and files/directories
+	 * user have configured to be ignored.
 	 */
-	/* XXX: Eventually we'll want more sophistication to let the
-	 * user specify files to be ignored. */
 	if (strcmp (entry->d_name, ".") == 0 ||
 	    strcmp (entry->d_name, "..") == 0 ||
-	    strcmp (entry->d_name, ".notmuch") == 0)
+	    strcmp (entry->d_name, ".notmuch") == 0 ||
+	    _entry_in_ignore_list (entry->d_name, state))
 	{
 	    continue;
 	}
@@ -697,7 +717,7 @@ count_files (const char *path, int *count)
 		fflush (stdout);
 	    }
 	} else if (S_ISDIR (st.st_mode)) {
-	    count_files (next, count);
+	    count_files (next, count, state);
 	}
 
 	free (next);
@@ -837,6 +857,7 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
 	return 1;
 
     add_files_state.new_tags = notmuch_config_get_new_tags (config, &add_files_state.new_tags_length);
+    add_files_state.new_ignore = notmuch_config_get_new_ignore (config, &add_files_state.new_ignore_length);
     add_files_state.synchronize_flags = notmuch_config_get_maildir_synchronize_flags (config);
     db_path = notmuch_config_get_database_path (config);
 
@@ -852,7 +873,7 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
 	int count;
 
 	count = 0;
-	count_files (db_path, &count);
+	count_files (db_path, &count, &add_files_state);
 	if (interrupted)
 	    return 1;
 
-- 
1.7.6.5



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