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Pull ktest updates from Steven Rostedt:
- Fix undef warning when WARNINGS_FILE is unset
The check_buildlog() references WARNINGS_FILE even when it's not set.
Perl triggers a warning in this case. Check if the WARNINGS_FILE is
defined before checking if the file it represents exists.
- Fix how LOG_FILE is resolved
LOG_FILE is expanded immediately after the config file is parsed. If
LOG_FILE depends on variables from the tests it will use stale values
instead of using the test variables. Have LOG_FILE also resolve test
variables.
- Treat a undefined self reference variable as empty
Variables can recursively include itself for appending. Currently, if
the references itself and it is not defined, it leaves the variable
in the define: "VAR = ${VAR} foo" keeps the ${VAR} around. Have it
removed instead.
- Fix clearing of variables per tests
If a variable has a defined default, a test can not clear it by
assigning the variable to empty. Fix this by clearing the variable
for a test when the test config has that variable assigned to
nothing.
- Fix run_command() to catch stderr in the shell command parsing
Switch to Perl list form open to use "sh -c" wrapper to run shell
commands to have the log file catch shell parsing errors.
- Fix console output during reboot cycle
The POWER_CYCLE callback during reboot() can miss output from the
next boot making ktest miss the boot string it was waiting for.
- Add PRE_KTEST_DIE for PRE_KTEST failures
If the command for PRE_KTEST fails, ktest does not fail (this was by
design as this command was used to add patches that may or may not
apply). Add PRE_KTEST_DIE value to force ktest to fail if PRE_KTEST
fails.
- Run POST_KTEST hooks on failure and cancellation
PRE_KTEST always runs before a ktest test, have POST_KTEST always run
after a test even if the test fails or is cancelled to do the
teardown of PRE_KTEST.
- Add a --dry-run mode
Add --dry-run to parse the config, print the results and exit without
running any of the tests.
- Store failures from the dodie() path as well
The STORE_FAILURES saves the logs on failure, but there's failure
paths that miss storing. Perform STORE_FAILURES in dodie() to capture
these failures too.
* tag 'ktest-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest: Store failure logs also in fatal paths
ktest: Add a --dry-run mode
ktest: Run POST_KTEST hooks on failure and cancellation
ktest: Add PRE_KTEST_DIE for PRE_KTEST failures
ktest: Stop dropping console output during power-cycle reboot
ktest: Run commands through list-form shell open
ktest: Honor empty per-test option overrides
ktest: Treat undefined self-reference as empty
ktest: Resolve LOG_FILE in test option context
ktest: Avoid undef warning when WARNINGS_FILE is unset