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git/t/t5329-pack-objects-cruft.sh

361 lines
9.3 KiB

#!/bin/sh
test_description='cruft pack related pack-objects tests'
. ./test-lib.sh
objdir=.git/objects
packdir=$objdir/pack
basic_cruft_pack_tests () {
expire="$1"
test_expect_success "unreachable loose objects are packed (expire $expire)" '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit base &&
git repack -Ad &&
test_commit loose &&
test-tool chmtime +2000 "$objdir/$(test_oid_to_path \
$(git rev-parse loose:loose.t))" &&
test-tool chmtime +1000 "$objdir/$(test_oid_to_path \
$(git rev-parse loose^{tree}))" &&
(
git rev-list --objects --no-object-names base..loose |
while read oid
do
path="$objdir/$(test_oid_to_path "$oid")" &&
printf "%s %d\n" "$oid" "$(test-tool chmtime --get "$path")"
done |
sort -k1
) >expect &&
keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
cruft="$(echo $keep | git pack-objects --cruft \
--cruft-expiration="$expire" $packdir/pack)" &&
test-tool pack-mtimes "pack-$cruft.mtimes" >actual &&
test_cmp expect actual
)
'
test_expect_success "unreachable packed objects are packed (expire $expire)" '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit packed &&
git repack -Ad &&
test_commit other &&
git rev-list --objects --no-object-names packed.. >objects &&
keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
other="$(git pack-objects --delta-base-offset \
$packdir/pack <objects)" &&
git prune-packed &&
test-tool chmtime --get -100 "$packdir/pack-$other.pack" >expect &&
cruft="$(git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack <<-EOF
$keep
-pack-$other.pack
EOF
)" &&
test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
cut -d" " -f2 <actual.raw | sort -u >actual &&
test_cmp expect actual
)
'
test_expect_success "unreachable cruft objects are repacked (expire $expire)" '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit packed &&
git repack -Ad &&
test_commit other &&
git rev-list --objects --no-object-names packed.. >objects &&
keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
cruft_a="$(echo $keep | git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack)" &&
git prune-packed &&
cruft_b="$(git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack <<-EOF
$keep
-pack-$cruft_a.pack
EOF
)" &&
test-tool pack-mtimes "pack-$cruft_a.mtimes" >expect.raw &&
test-tool pack-mtimes "pack-$cruft_b.mtimes" >actual.raw &&
sort <expect.raw >expect &&
sort <actual.raw >actual &&
test_cmp expect actual
)
'
test_expect_success "multiple cruft packs (expire $expire)" '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit reachable &&
git repack -Ad &&
keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
test_commit cruft &&
loose="$objdir/$(test_oid_to_path $(git rev-parse cruft))" &&
# generate three copies of the cruft object in different
# cruft packs, each with a unique mtime:
# - one expired (1000 seconds ago)
# - two non-expired (one 1000 seconds in the future,
# one 1500 seconds in the future)
test-tool chmtime =-1000 "$loose" &&
git pack-objects --cruft $packdir/pack-A <<-EOF &&
$keep
EOF
test-tool chmtime =+1000 "$loose" &&
git pack-objects --cruft $packdir/pack-B <<-EOF &&
$keep
-$(basename $(ls $packdir/pack-A-*.pack))
EOF
test-tool chmtime =+1500 "$loose" &&
git pack-objects --cruft $packdir/pack-C <<-EOF &&
$keep
-$(basename $(ls $packdir/pack-A-*.pack))
-$(basename $(ls $packdir/pack-B-*.pack))
EOF
# ensure the resulting cruft pack takes the most recent
# mtime among all copies
cruft="$(git pack-objects --cruft \
--cruft-expiration="$expire" \
$packdir/pack <<-EOF
$keep
-$(basename $(ls $packdir/pack-A-*.pack))
-$(basename $(ls $packdir/pack-B-*.pack))
-$(basename $(ls $packdir/pack-C-*.pack))
EOF
)" &&
test-tool pack-mtimes "$(basename $(ls $packdir/pack-C-*.mtimes))" >expect.raw &&
test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
sort expect.raw >expect &&
sort actual.raw >actual &&
test_cmp expect actual
)
'
test_expect_success "cruft packs tolerate missing trees (expire $expire)" '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit reachable &&
test_commit cruft &&
tree="$(git rev-parse cruft^{tree})" &&
git reset --hard reachable &&
git tag -d cruft &&
git reflog expire --all --expire=all &&
# remove the unreachable tree, but leave the commit
# which has it as its root tree intact
rm -fr "$objdir/$(test_oid_to_path "$tree")" &&
git repack -Ad &&
basename $(ls $packdir/pack-*.pack) >in &&
git pack-objects --cruft --cruft-expiration="$expire" \
$packdir/pack <in
)
'
test_expect_success "cruft packs tolerate missing blobs (expire $expire)" '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit reachable &&
test_commit cruft &&
blob="$(git rev-parse cruft:cruft.t)" &&
git reset --hard reachable &&
git tag -d cruft &&
git reflog expire --all --expire=all &&
# remove the unreachable blob, but leave the commit (and
# the root tree of that commit) intact
rm -fr "$objdir/$(test_oid_to_path "$blob")" &&
git repack -Ad &&
basename $(ls $packdir/pack-*.pack) >in &&
git pack-objects --cruft --cruft-expiration="$expire" \
$packdir/pack <in
)
'
}
basic_cruft_pack_tests never
basic_cruft_pack_tests 2.weeks.ago
test_expect_success 'cruft tags rescue tagged objects' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit packed &&
git repack -Ad &&
test_commit tagged &&
git tag -a annotated -m tag &&
git rev-list --objects --no-object-names packed.. >objects &&
while read oid
do
test-tool chmtime -1000 \
"$objdir/$(test_oid_to_path $oid)"
done <objects &&
test-tool chmtime -500 \
"$objdir/$(test_oid_to_path $(git rev-parse annotated))" &&
keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
cruft="$(echo $keep | git pack-objects --cruft \
--cruft-expiration=750.seconds.ago \
$packdir/pack)" &&
test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
cut -f1 -d" " <actual.raw | sort >actual &&
(
cat objects &&
git rev-parse annotated
) >expect.raw &&
sort <expect.raw >expect &&
test_cmp expect actual &&
cat actual
)
'
test_expect_success 'cruft commits rescue parents, trees' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit packed &&
git repack -Ad &&
test_commit old &&
test_commit new &&
git rev-list --objects --no-object-names packed..new >objects &&
while read object
do
test-tool chmtime -1000 \
"$objdir/$(test_oid_to_path $object)"
done <objects &&
test-tool chmtime +500 "$objdir/$(test_oid_to_path \
$(git rev-parse HEAD))" &&
keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
cruft="$(echo $keep | git pack-objects --cruft \
--cruft-expiration=750.seconds.ago \
$packdir/pack)" &&
test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
cut -d" " -f1 <actual.raw | sort >actual &&
sort <objects >expect &&
test_cmp expect actual
)
'
test_expect_success 'cruft trees rescue sub-trees, blobs' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit packed &&
git repack -Ad &&
mkdir -p dir/sub &&
echo foo >foo &&
echo bar >dir/bar &&
echo baz >dir/sub/baz &&
test_tick &&
git add . &&
git commit -m "pruned" &&
test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD))" &&
test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD^{tree}))" &&
test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:foo))" &&
test-tool chmtime -500 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir))" &&
test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/bar))" &&
test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/sub))" &&
test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/sub/baz))" &&
keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
cruft="$(echo $keep | git pack-objects --cruft \
--cruft-expiration=750.seconds.ago \
$packdir/pack)" &&
test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
cut -f1 -d" " <actual.raw | sort >actual &&
git rev-parse HEAD:dir HEAD:dir/bar HEAD:dir/sub HEAD:dir/sub/baz >expect.raw &&
sort <expect.raw >expect &&
test_cmp expect actual
)
'
test_expect_success 'expired objects are pruned' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit packed &&
git repack -Ad &&
test_commit pruned &&
git rev-list --objects --no-object-names packed..pruned >objects &&
while read object
do
test-tool chmtime -1000 \
"$objdir/$(test_oid_to_path $object)"
done <objects &&
keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
cruft="$(echo $keep | git pack-objects --cruft \
--cruft-expiration=750.seconds.ago \
$packdir/pack)" &&
test-tool pack-mtimes "pack-$cruft.mtimes" >actual &&
test_must_be_empty actual
)
'
test_done