document some more regress control env variables

Specifically SKIP_UNIT, USE_VALGRING and LTESTS. Sort the list of
environment variables.

Based on patch from Jakub Jelen

diff --git a/regress/README.regress b/regress/README.regress
index 867855017894d4d27e51e2ee8c5f5330e278fc30..315fe149a0f507d5c88d94224c8cf8508dee5029 100644 (file)
--- a/regress/README.regress
+++ b/regress/README.regress
@@ -20,19 +20,26 @@ suite is based on OpenBSD's with modifications.
 
 Environment variables.
 
-SUDO: path to sudo command, if desired. Note that some systems (notably
-       systems using PAM) require sudo to execute some tests.
-TEST_SSH_TRACE: set to "yes" for verbose output from tests 
-TEST_SSH_QUIET: set to "yes" to suppress non-fatal output.
-TEST_SSH_x: path to "ssh" command under test, where x=SSH,SSHD,SSHAGENT,SSHADD
-       SSHKEYGEN,SSHKEYSCAN,SFTP,SFTPSERVER
+SKIP_UNIT: Skip unit tests.
+SUDO: path to sudo/doas command, if desired. Note that some systems
+       (notably systems using PAM) require sudo to execute some tests.
+LTESTS: Whitespace separated list of tests (filenames without the .sh
+       extension) to run.
 OBJ: used by test scripts to access build dir.
 TEST_SHELL: shell used for running the test scripts.
+TEST_SSH_FAIL_FATAL: set to "yes" to make any failure abort the test
+       currently in progress.
 TEST_SSH_PORT: TCP port to be used for the listening tests.
-TEST_SSH_SSH_CONFOPTS: Configuration directives to be added to ssh_config
-       before running each test.
+TEST_SSH_QUIET: set to "yes" to suppress non-fatal output.
 TEST_SSH_SSHD_CONFOPTS: Configuration directives to be added to sshd_config
        before running each test.
+TEST_SSH_SSH_CONFOPTS: Configuration directives to be added to
+       ssh_config before running each test.
+TEST_SSH_TRACE: set to "yes" for verbose output from tests 
+TEST_SSH_x: path to "ssh" command under test, where x is one of
+       SSH, SSHD, SSHAGENT, SSHADD, SSHKEYGEN, SSHKEYSCAN, SFTP or
+       SFTPSERVER
+USE_VALGRIND: Run the tests under valgrind memory checker.
 
 
 Individual tests.