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From 9a79248fe21554e6cb99dd6ed044e7cbff18f777 Mon Sep 17 00:00:00 2001
From: David Teigland <teigland@redhat.com>
Date: Fri, 27 May 2022 14:27:03 -0500
Subject: [PATCH 2/7] devices file: fail if --devicesfile filename doesn't
exist
A typo of the filename after --devicesfile should result in a
command error rather than the command falling back to using no
devices file at all. Exception is vgcreate|pvcreate which
create a new devices file if the file name doesn't exist.
(cherry picked from commit bfe072e4388b530cbf5369be8a8f1305220198bf)
---
lib/device/dev-cache.c | 9 +++++++++
test/shell/devicesfile-basic.sh | 4 ++++
2 files changed, 13 insertions(+)
diff --git a/lib/device/dev-cache.c b/lib/device/dev-cache.c
index 3aaf6a2e5..ed9c726c9 100644
--- a/lib/device/dev-cache.c
+++ b/lib/device/dev-cache.c
@@ -1863,6 +1863,15 @@ int setup_devices(struct cmd_context *cmd)
file_exists = devices_file_exists(cmd);
+ /*
+ * Fail if user specifies a file name that doesn't exist and
+ * the command is not creating a new devices file.
+ */
+ if (!file_exists && !cmd->create_edit_devices_file && cmd->devicesfile && strlen(cmd->devicesfile)) {
+ log_error("Devices file not found: %s", cmd->devices_file_path);
+ return 0;
+ }
+
/*
* Removing the devices file is another way of disabling the use of
* a devices file, unless the command creates the devices file.
diff --git a/test/shell/devicesfile-basic.sh b/test/shell/devicesfile-basic.sh
index 9c3455c76..77fe265a0 100644
--- a/test/shell/devicesfile-basic.sh
+++ b/test/shell/devicesfile-basic.sh
@@ -104,6 +104,10 @@ not ls "$DFDIR/system.devices"
vgs --devicesfile test.devices $vg1
not vgs --devicesfile test.devices $vg2
+# misspelled override name fails
+not vgs --devicesfile doesnotexist $vg1
+not vgs --devicesfile doesnotexist $vg2
+
# devicesfile and devices cannot be used together
not vgs --devicesfile test.devices --devices "$dev1","$dev1" $vg1
--
2.34.3