Add history ignore (#846)

config/config.c

@@ -91,6 +91,8 @@ Settings config = {
     .fixed_num_lines        = TRUE,
     /** Do not use history */
     .disable_history        = FALSE,
+    /** Programs ignored for history */
+    .ignored_prefixes       = "",
     /** Sort the displayed list */
     .sort                   = FALSE,
     /** Use levenshtein sorting when matching */

include/history.h

@@ -36,6 +36,7 @@
  *
  * This uses the following options from the #config object:
  * * #Settings::disable_history
+ * * #Settings::ignored_prefixes
  *
  * @{
  */

include/settings.h

@@ -108,6 +108,8 @@ typedef struct
     unsigned int   fixed_num_lines;
     /** Do not use history */
     unsigned int   disable_history;
+    /** Programs ignored for history */
+    char           * ignored_prefixes;
     /** Toggle to enable sorting. */
     unsigned int   sort;
     /** Sorting method. */

source/history.c

@@ -180,6 +180,20 @@ void history_set ( const char *filename, const char *entry )
     if ( config.disable_history ) {
         return;
     }
+
+    // Check if program should be ignored
+    for ( char *checked_prefix = strtok ( config.ignored_prefixes, ";" ); checked_prefix != NULL; checked_prefix = strtok ( NULL, ";" ) ) {
+        // For each ignored prefix
+
+        while ( g_unichar_isspace ( g_utf8_get_char ( checked_prefix ) ) ) {
+            checked_prefix = g_utf8_next_char ( checked_prefix ); // Some users will probably want "; " as their separator for aesthetics.
+        }
+
+        if ( g_str_has_prefix ( entry, checked_prefix ) ) {
+            return;
+        }
+    }
+
     int          found  = 0;
     unsigned int curr   = 0;
     unsigned int length = 0;

source/xrmoptions.c

@@ -141,6 +141,8 @@ static XrmOption xrmOptions[] = {
       "DRUN format string. (Supports: generic,name,comment,exec,categories)", CONFIG_DEFAULT },
     { xrm_Boolean, "disable-history",        { .num  = &config.disable_history                }, NULL,
       "Disable history in run/ssh", CONFIG_DEFAULT },
+    { xrm_String,  "ignored-prefixes",       { .str  = &config.ignored_prefixes               }, NULL,
+      "Programs ignored for history", CONFIG_DEFAULT },
     { xrm_Boolean, "sort",                   { .num  = &config.sort                           }, NULL,
       "Use sorting", CONFIG_DEFAULT },
     { xrm_String,  "sorting-method",         { .str  = &config.sorting_method                 }, NULL,