Support multiple configuration files via $NOTMUCH_CONFIG

If present, $NOTMUCH_CONFIG will be used as the configuration file
location.

1 files changed, 2 insertions, 1 deletions

diff --git a/notmuch.c b/notmuch.c
index 8cb13107..d84cea59 100644
--- a/notmuch.c
+++ b/notmuch.c
@@ -98,7 +98,8 @@ command_t commands[] = {
       "\t\tThe setup command will prompt for your full name, your primary\n"
       "\t\temail address, any alternate email addresses you use, and the\n"
       "\t\tdirectory containing your email archives. Your answers will be\n"
-      "\t\twritten to a configuration file in ${HOME}/.notmuch-config .\n"
+      "\t\twritten to a configuration file in ${NOTMUCH_CONFIG} (if set)\n"
+      "\t\tor ${HOME}/.notmuch-config.\n"
       "\n"
       "\t\tThis configuration file will be created with descriptive\n"
       "\t\tcomments, making it easy to edit by hand later to change the\n"