Because the file to be removed has a predictable name, we can hard
code it in the generated shim.
---
 test/T050-new.sh    | 44 ++++++++++++++++++++++++--------------------
 test/notmuch-test.h |  1 +
 2 files changed, 25 insertions(+), 20 deletions(-)

diff --git a/test/T050-new.sh b/test/T050-new.sh
index 1141c1e3..5a03998b 100755
--- a/test/T050-new.sh
+++ b/test/T050-new.sh
@@ -368,31 +368,35 @@ chmod u+w ${MAIL_DIR}/.notmuch/xapian/*.*
 test_expect_equal "$output" "A Xapian exception occurred opening database"
 
 
+make_shim dif-shim<<EOF
+#include <notmuch-test.h>
+notmuch_status_t
+notmuch_database_index_file (notmuch_database_t *database,
+			     const char *filename,
+			     notmuch_indexopts_t *indexopts,
+			     notmuch_message_t **message)
+{
+  static notmuch_status_t (*orig_notmuch_database_index_file)
+    (notmuch_database_t *database,
+     const char *filename,
+     notmuch_indexopts_t *indexopts,
+     notmuch_message_t **message) = NULL;
+  TEST_SAVE_ORIG(notmuch_database_index_file);
+
+  if (unlink("${MAIL_DIR}/vanish")) {
+     fprintf(stderr, "unlink failed\n");
+     exit(42);
+  }
+  return orig_notmuch_database_index_file(database, filename, indexopts, message);
+}
+EOF
+
 test_begin_subtest "Handle files vanishing between scandir and add_file"
 
 # A file for scandir to find. It won't get indexed, so can be empty.
 touch ${MAIL_DIR}/vanish
-
-# Breakpoint to remove the file before indexing
-cat <<EOF > notmuch-new-vanish.gdb
-set breakpoint pending on
-set logging file notmuch-new-vanish-gdb.log
-set logging on
-break notmuch_database_index_file
-commands
-shell rm -f ${MAIL_DIR}/vanish
-continue
-end
-run
-EOF
-
-${TEST_GDB} --batch-silent --return-child-result -x notmuch-new-vanish.gdb \
-    --args notmuch new 2>OUTPUT 1>/dev/null
+notmuch_with_shim dif-shim new 2>OUTPUT 1>/dev/null
 echo "exit status: $?" >> OUTPUT
-
-# Clean up the file in case gdb isn't available.
-rm -f ${MAIL_DIR}/vanish
-
 cat <<EOF > EXPECTED
 Unexpected error with file ${MAIL_DIR}/vanish
 add_file: Something went wrong trying to read or write a file
diff --git a/test/notmuch-test.h b/test/notmuch-test.h
index 8613a299..94348d69 100644
--- a/test/notmuch-test.h
+++ b/test/notmuch-test.h
@@ -7,6 +7,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <unistd.h>
 
 inline static void
 expect0 (int line, notmuch_status_t ret)
-- 
2.33.0

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