[PATCH kvm-unit-tests] run_tests: allow specifying desired tests on the command line

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

This is a simpler version of Sean Christopherson's patch, which also allows
specifying more than one test.

Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
 run_tests.sh         | 2 ++
 scripts/runtime.bash | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/run_tests.sh b/run_tests.sh
index 102c806..6b0af19 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -65,6 +65,8 @@ while getopts "ag:htj:v" opt; do
             ;;
     esac
 done
+shift $((OPTIND - 1))
+only_tests="$*"
 
 # RUNTIME_log_file will be configured later
 RUNTIME_log_stderr () { cat >> $RUNTIME_log_file; }
diff --git a/scripts/runtime.bash b/scripts/runtime.bash
index fffa7dd..2f8026d 100644
--- a/scripts/runtime.bash
+++ b/scripts/runtime.bash
@@ -97,6 +97,10 @@ function run()
         return
     fi
 
+    if [ -n "$only_tests" ] && ! grep -qw "$testname" <<<$only_tests; then
+        return
+    fi
+
     if [ -n "$only_group" ] && ! grep -qw "$only_group" <<<$groups; then
         return
     fi
-- 
1.8.3.1