CLI: set NOTMUCH_CONFIG in hooks.

[notmuch] / notmuch.c

diff --git a/notmuch.c b/notmuch.c
index ac25ae189b78d049d65b70afc09e3dee031f4312..c75b0188e7dfc901d9822558135117c404b93bde 100644 (file)
--- a/notmuch.c
+++ b/notmuch.c
@@ -211,12 +211,14 @@ typedef struct help_topic {
 } help_topic_t;
 
 static const help_topic_t help_topics[] = {
-    { "search-terms",
-      "Common search term syntax." },
     { "hooks",
       "Hooks that will be run before or after certain commands." },
     { "properties",
       "Message property conventions and documentation." },
+    { "search-terms",
+      "Common infix search term syntax." },
+    { "sexp-queries",
+      "Common s-expression search term syntax." },
 };
 
 static const command_t *
@@ -329,9 +331,7 @@ exec_man (const char *page)
 static int
 _help_for (const char *topic_name)
 {
-    const command_t *command;
-    const help_topic_t *topic;
-    unsigned int i;
+    char *page;
 
     if (! topic_name) {
        printf ("The notmuch mail system.\n\n");
@@ -348,23 +348,9 @@ _help_for (const char *topic_name)
        return EXIT_SUCCESS;
     }
 
-    command = find_command (topic_name);
-    if (command) {
-       char *page = talloc_asprintf (NULL, "notmuch-%s", command->name);
-       exec_man (page);
-    }
-
-    for (i = 0; i < ARRAY_SIZE (help_topics); i++) {
-       topic = &help_topics[i];
-       if (strcmp (topic_name, topic->name) == 0) {
-           char *page = talloc_asprintf (NULL, "notmuch-%s", topic->name);
-           exec_man (page);
-       }
-    }
+    page = talloc_asprintf (NULL, "notmuch-%s", topic_name);
+    exec_man (page);
 
-    fprintf (stderr,
-            "\nSorry, %s is not a known command. There's not much I can do to help.\n\n",
-            topic_name);
     return EXIT_FAILURE;
 }
 
@@ -443,11 +429,18 @@ notmuch_command (notmuch_database_t *notmuch,
  * false on errors.
  */
 static bool
-try_external_command (char *argv[])
+try_external_command (const char *config_file_name, char *argv[])
 {
     char *old_argv0 = argv[0];
     bool ret = true;
 
+    if (config_file_name) {
+       if (setenv ("NOTMUCH_CONFIG", config_file_name, 1)) {
+           perror ("setenv");
+           exit (1);
+       }
+    }
+
     argv[0] = talloc_asprintf (NULL, "notmuch-%s", old_argv0);
 
     /*
@@ -507,7 +500,7 @@ main (int argc, char *argv[])
     /* if command->function is NULL, try external command */
     if (! command || ! command->function) {
        /* This won't return if the external command is found. */
-       if (try_external_command (argv + opt_index))
+       if (try_external_command (config_file_name, argv + opt_index))
            fprintf (stderr, "Error: Unknown command '%s' (see \"notmuch help\")\n",
                     command_name);
        ret = EXIT_FAILURE;