mbuto: Add -L suboption to kselftests for listing available collections

Signed-off-by: Sevinj Aghayeva <sevinj.aghayeva@gmail.com>
[sbrivio: pass output to 'fmt -t' for readability]
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/mbuto b/mbuto
index a5733e6..720b77a 100755
--- a/mbuto
+++ b/mbuto
@@ -209,6 +209,14 @@ profile_kselftests() {
 	__testpath="./tools/testing/selftests/"
 	__makefile="${__testpath}Makefile"
 	__colls=
+
+	if [ -n "${SUBOPT_list+x}" ]; then
+	    __colls=$("${AWK}" '/^TARGETS \+= / {print $3}' ${__makefile} | "${TR}" '\n' ' ')
+	    printf "Available collections:\n   "
+	    echo "${__colls}" | "${FMT}" -t
+	    exit 0
+	fi
+
 	for __c in ${SUBOPT_collection}; do
 		if ! ${GREP} -q "^TARGETS += ${__c}$" ${__makefile}; then
 			notice "WARNING: collection ${__c} doesn't exist"
@@ -316,7 +324,7 @@ profile_kselftests() {
 ### Helpers ####################################################################
 
 # List of tools used here, assigned to uppercase variable names
-TOOLS="awk basename bc cat cd chmod cp cpio depmod diff dirname du file find
+TOOLS="awk basename bc cat cd chmod cp cpio depmod diff dirname du file find fmt
        grep egrep gzip ldconfig ldd ln ls make mkdir mknod mktemp modprobe mv
        printf readlink realpath rm rmdir sed seq sleep sort strip sync tr umount
        uname wget which"
@@ -458,6 +466,7 @@ list_join() {
 SUBOPTS='
 	kselftests	C	collection	2	Select a collection of kernel tests
 	kselftests	T	test		2	Select a test from a collection
+	kselftests	L	list		1	List available collections
 '
 
 subopts_profile=