udevadm: introduce cat command

This introduces 'udevadm cat' command, that shows udev rules files or udev.conf, which may be useful for debugging. Closes #35818.
2025-01-23 22:23:45 +09:00
parent bbe1ba5e87
commit 7f2175eabb
8 changed files with 225 additions and 1 deletions
@@ -33,6 +33,15 @@ udevadm settle --timeout 30

 udevadm -h

+udevadm cat
+udevadm cat 99-systemd
+udevadm cat 99-systemd.rules
+udevadm cat /usr/lib/udev/rules.d/99-systemd.rules
+udevadm cat /usr/lib/udev/rules.d
+(! udevadm cat /dev/null)
+udevadm cat --config
+udevadm cat -h
+
 INVOCATION_ID=$(systemctl show --property InvocationID --value systemd-udevd.service)
 udevadm control -e
 # Wait for systemd-udevd.service being restarted.