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#!/bin/sh
test_description="Tests performance of ref operations"
. ./perf-lib.sh
test_perf_large_repo
test_perf 'git pack-refs (v1)' '
git commit --allow-empty -m "change one ref" &&
git pack-refs --all
'
test_perf 'git for-each-ref (v1)' '
git for-each-ref --format="%(refname)" >/dev/null
'
test_perf 'git for-each-ref prefix (v1)' '
git for-each-ref --format="%(refname)" refs/tags/ >/dev/null
'
test_expect_success 'configure packed-refs v2' '
git config core.repositoryFormatVersion 1 &&
git config --add extensions.refFormat files &&
git config --add extensions.refFormat packed &&
git config --add extensions.refFormat packed-v2 &&
git config refs.packedRefsVersion 2 &&
git commit --allow-empty -m "change one ref" &&
git pack-refs --all &&
test_copy_bytes 16 .git/packed-refs | xxd >actual &&
grep PREF actual
'
test_perf 'git pack-refs (v2)' '
git commit --allow-empty -m "change one ref" &&
git pack-refs --all
'
test_perf 'git pack-refs (v2;hashing)' '
git commit --allow-empty -m "change one ref" &&
git -c refs.hashPackedRefs=true pack-refs --all
'
test_perf 'git for-each-ref (v2)' '
git for-each-ref --format="%(refname)" >/dev/null
'
test_perf 'git for-each-ref prefix (v2)' '
git for-each-ref --format="%(refname)" refs/tags/ >/dev/null
'
test_done
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