[PATCH 5/6] lib/open: return non-SUCCESS on missing database path

Subject: [PATCH 5/6] lib/open: return non-SUCCESS on missing database path

Date: Fri, 29 Jul 2022 09:20:00 -0300

To: notmuch@notmuchmail.org

Cc: spwhitton@spwhitton.name

From: David Bremner

This simplifies the logic of creating the directory path when it doesn't
exist.
---
 lib/open.cc            | 19 +++++++++++--------
 test/T560-lib-error.sh |  4 ++--
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/lib/open.cc b/lib/open.cc
index 85e46dc7..bc450555 100644
--- a/lib/open.cc
+++ b/lib/open.cc
@@ -192,6 +192,8 @@ _choose_database_path (notmuch_database_t *notmuch,
 		       const char **database_path,
 		       char **message)
 {
+    notmuch_status_t status;
+
     if (! *database_path) {
 	*database_path = getenv ("NOTMUCH_DATABASE");
     }
@@ -207,8 +209,6 @@ _choose_database_path (notmuch_database_t *notmuch,
 	}
     }
     if (! *database_path) {
-	notmuch_status_t status;
-
 	*database_path = _xdg_dir (notmuch, "XDG_DATA_HOME", ".local/share", profile);
 	status = _db_dir_exists (*database_path, message);
 	if (status) {
@@ -223,8 +223,6 @@ _choose_database_path (notmuch_database_t *notmuch,
     }
 
     if (! *database_path) {
-	notmuch_status_t status;
-
 	*database_path = talloc_asprintf (notmuch, "%s/mail", getenv ("HOME"));
 	status = _db_dir_exists (*database_path, message);
 	if (status) {
@@ -241,6 +239,15 @@ _choose_database_path (notmuch_database_t *notmuch,
 	*message = strdup ("Error: Database path must be absolute.\n");
 	return NOTMUCH_STATUS_PATH_ERROR;
     }
+
+    status = _db_dir_exists (*database_path, message);
+    if (status) {
+	IGNORE_RESULT (asprintf (message,
+				 "Error: database path '%s' does not exist or is not a directory.\n",
+				 *database_path));
+	return NOTMUCH_STATUS_NO_DATABASE;
+    }
+
     return NOTMUCH_STATUS_SUCCESS;
 }
 
@@ -638,10 +645,6 @@ notmuch_database_create_with_config (const char *database_path,
 					 &database_path, &message)))
 	goto DONE;
 
-    status = _db_dir_exists (database_path, &message);
-    if (status)
-	goto DONE;
-
     _set_database_path (notmuch, database_path);
 
     if (key_file && ! (notmuch->params & NOTMUCH_PARAM_SPLIT)) {
diff --git a/test/T560-lib-error.sh b/test/T560-lib-error.sh
index a2901ff6..30cce943 100755
--- a/test/T560-lib-error.sh
+++ b/test/T560-lib-error.sh
@@ -91,7 +91,7 @@ EOF
 cat <<'EOF' >EXPECTED
 == stdout ==
 == stderr ==
-Error: Cannot open database at CWD/nonexistent/foo: No such file or directory.
+Error: database path 'CWD/nonexistent/foo' does not exist or is not a directory.
 EOF
 test_expect_equal_file EXPECTED OUTPUT
 
@@ -132,7 +132,7 @@ EOF
 cat <<'EOF' >EXPECTED
 == stdout ==
 == stderr ==
-Error: Cannot open database at CWD/nonexistent/foo: No such file or directory.
+Error: database path 'CWD/nonexistent/foo' does not exist or is not a directory.
 EOF
 test_expect_equal_file EXPECTED OUTPUT
 
-- 
2.35.2

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