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#!/bin/sh
test_description='incremental multi-pack-index'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-midx.sh
GIT_TEST_MULTI_PACK_INDEX=0
export GIT_TEST_MULTI_PACK_INDEX
objdir=.git/objects
packdir=$objdir/pack
midxdir=$packdir/multi-pack-index.d
midx_chain=$midxdir/multi-pack-index-chain
test_expect_success 'convert non-incremental MIDX to incremental' '
test_commit base &&
git config set maintenance.auto false &&
git repack -ad &&
git multi-pack-index write &&
test_path_is_file $packdir/multi-pack-index &&
old_hash="$(midx_checksum $objdir)" &&
test_commit other &&
git repack -d &&
git multi-pack-index write --incremental &&
test_path_is_missing $packdir/multi-pack-index &&
test_path_is_file $midx_chain &&
test_line_count = 2 $midx_chain &&
test_grep $old_hash $midx_chain
'
compare_results_with_midx 'incremental MIDX'
test_expect_success 'convert incremental to non-incremental' '
test_commit squash &&
git repack -d &&
git multi-pack-index write &&
test_path_is_file $packdir/multi-pack-index &&
test_dir_is_empty $midxdir
'
compare_results_with_midx 'non-incremental MIDX conversion'
write_midx_layer () {
n=1
if test -f $midx_chain
then
n="$(($(wc -l <$midx_chain) + 1))"
fi
for i in 1 2
do
test_commit $n.$i &&
git repack -d || return 1
done &&
git multi-pack-index write --bitmap --incremental
}
test_expect_success 'write initial MIDX layer' '
git repack -ad &&
write_midx_layer
'
test_expect_success 'read bitmap from first MIDX layer' '
git rev-list --test-bitmap 1.2
'
test_expect_success 'write another MIDX layer' '
write_midx_layer
'
test_expect_success 'midx verify with multiple layers' '
test_path_is_file "$midx_chain" &&
test_line_count = 2 "$midx_chain" &&
git multi-pack-index verify
'
test_expect_success 'read bitmap from second MIDX layer' '
git rev-list --test-bitmap 2.2
'
test_expect_success 'read earlier bitmap from second MIDX layer' '
git rev-list --test-bitmap 1.2
'
test_expect_success 'show object from first pack' '
git cat-file -p 1.1
'
test_expect_success 'show object from second pack' '
git cat-file -p 2.2
'
test_expect_success 'write MIDX layer with --no-write-chain-file' '
test_commit no-write-chain-file &&
git repack -d &&
cp "$midx_chain" "$midx_chain.bak" &&
layer="$(git multi-pack-index write --bitmap --incremental \
--no-write-chain-file)" &&
test_cmp "$midx_chain.bak" "$midx_chain" &&
test_path_is_file "$midxdir/multi-pack-index-$layer.midx"
'
test_expect_success 'write non-incremental MIDX layer with --no-write-chain-file' '
test_must_fail git multi-pack-index write --bitmap --no-write-chain-file 2>err &&
test_grep "cannot use --no-write-chain-file without --incremental" err
'
test_expect_success 'write MIDX layer with --base without --no-write-chain-file' '
test_must_fail git multi-pack-index write --bitmap --incremental \
--base=none 2>err &&
test_grep "cannot use --base without --no-write-chain-file" err
'
test_expect_success 'write MIDX layer with --base=none and --no-write-chain-file' '
test_commit base-none &&
git repack -d &&
cp "$midx_chain" "$midx_chain.bak" &&
layer="$(git multi-pack-index write --bitmap --incremental \
--no-write-chain-file --base=none)" &&
test_cmp "$midx_chain.bak" "$midx_chain" &&
test_path_is_file "$midxdir/multi-pack-index-$layer.midx"
'
test_expect_success 'write MIDX layer with --base=<hash> and --no-write-chain-file' '
test_commit base-hash &&
git repack -d &&
cp "$midx_chain" "$midx_chain.bak" &&
layer="$(git multi-pack-index write --bitmap --incremental \
--no-write-chain-file --base="$(nth_line 1 "$midx_chain")")" &&
test_cmp "$midx_chain.bak" "$midx_chain" &&
test_path_is_file "$midxdir/multi-pack-index-$layer.midx"
'
for reuse in false single multi
do
test_expect_success "full clone (pack.allowPackReuse=$reuse)" '
rm -fr clone.git &&
git config pack.allowPackReuse $reuse &&
git clone --no-local --bare . clone.git
'
done
test_expect_success 'relink existing MIDX layer' '
rm -fr "$midxdir" &&
GIT_TEST_MIDX_WRITE_REV=1 git multi-pack-index write --bitmap &&
midx_hash="$(test-tool read-midx --checksum $objdir)" &&
test_path_is_file "$packdir/multi-pack-index" &&
test_path_is_file "$packdir/multi-pack-index-$midx_hash.bitmap" &&
test_path_is_file "$packdir/multi-pack-index-$midx_hash.rev" &&
test_commit another &&
git repack -d &&
git multi-pack-index write --bitmap --incremental &&
test_path_is_missing "$packdir/multi-pack-index" &&
test_path_is_missing "$packdir/multi-pack-index-$midx_hash.bitmap" &&
test_path_is_missing "$packdir/multi-pack-index-$midx_hash.rev" &&
test_path_is_file "$midxdir/multi-pack-index-$midx_hash.midx" &&
test_path_is_file "$midxdir/multi-pack-index-$midx_hash.bitmap" &&
test_path_is_file "$midxdir/multi-pack-index-$midx_hash.rev" &&
test_line_count = 2 "$midx_chain"
'
test_expect_success 'non-incremental write with existing incremental chain' '
git init non-incremental-write-with-existing &&
test_when_finished "rm -fr non-incremental-write-with-existing" &&
(
cd non-incremental-write-with-existing &&
git config set maintenance.auto false &&
write_midx_layer &&
write_midx_layer &&
git multi-pack-index write
)
'
test_done
|
