get_metrics.sh

#! /bin/bash

unique_contributors_num=$(git --no-pager shortlog -n -s -- include/kunit lib/kunit tools/testing/kunit/ | wc -l)
patches_not_from_team_num=$(git log --pretty=oneline --perl-regexp \
  --author='^((?!Brendan Higgins|David Gow|Heidi Fahim|Felix Guo|Avinash Kondareddy).*)$' \
  -- include/kunit lib/kunit tools/testing/kunit/ | wc -l)

not_tests='lib/kunit/debugfs.c
lib/kunit/string-stream.c
lib/kunit/try-catch.c
lib/kunit/assert.c
lib/kunit/debugfs.h
lib/kunit/test.c
init/main.c
mm/kasan/report.c
Documentation/dev-tools/kunit/start.rst
get_metrics.sh
'

all_tests=$(for file_name in $(grep -Hrnl -e '#include <kunit/test.h>')
do
  if [[ ! $not_tests =~ (^|[[:space:]])"$file_name"($|[[:space:]]) ]] ; then
    printf "$file_name\n"
  fi
done)

tests_total_num=$(echo "$all_tests" | wc -l)
test_authors=$(git --no-pager shortlog -n -s -- $all_tests)
test_author_num=$(echo "$test_authors" | wc -l)
test_case_num=$(find ./ -type f ! -wholename '*/Documentation/*' ! -name 'test.h' -name 'get_metrics.sh' -print0 |
  xargs -0 grep 'KUNIT_CASE' | wc -l)

#printf "All tests:\t$all_tests\n"
#printf "Test authors:\t$test_authors\n"
printf "Unique contributors:\t$unique_contributors_num\n"
printf "Number of patches:\t$patches_not_from_team_num\n"
printf "Number of total tests:\t$tests_total_num\n"
printf "Number of test authors:\t$test_author_num\n"