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#!/bin/sh
test_description="Comparison of git-log's --grep regex engines
Set GIT_PERF_4220_LOG_OPTS in the environment to pass options to
git-grep. Make sure to include a leading space,
e.g. GIT_PERF_4220_LOG_OPTS=' -i'. Some options to try:
-i
--invert-grep
-i --invert-grep
"
. ./perf-lib.sh
test_perf_large_repo
test_checkout_worktree
for pattern in \
'how.to' \
'^how to' \
'[how] to' \
'\(e.t[^ ]*\|v.ry\) rare' \
'm\(ú\|u\)lt.b\(æ\|y\)te'
do
for engine in basic extended perl
do
if test $engine != "basic"
then
# Poor man's basic -> extended converter.
pattern=$(echo $pattern | sed 's/\\//g')
fi
if test $engine = "perl" && ! test_have_prereq PCRE
then
prereq="PCRE"
else
prereq=""
fi
test_perf "$engine log$GIT_PERF_4220_LOG_OPTS --grep='$pattern'" \
--prereq "$prereq" "
git -c grep.patternType=$engine log --pretty=format:%h$GIT_PERF_4220_LOG_OPTS --grep='$pattern' >'out.$engine' || :
"
done
test_expect_success "assert that all engines found the same for$GIT_PERF_4220_LOG_OPTS '$pattern'" '
test_cmp out.basic out.extended &&
if test_have_prereq PCRE
then
test_cmp out.basic out.perl
fi
'
done
test_done
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