#!/bin/sh
test_description='cruft pack related pack-objects tests'
TEST_PASSES_SANITIZE_LEAK=true
. ./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")" ||
echo "object list generation failed for $oid"
done |
sort -k1
) >expect &&
keep="$(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 $oid)" || exit 1
done <objects &&
test-tool chmtime -500 \
"$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 $object)" || exit 1
done <objects &&
test-tool chmtime +500 "$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 $object)" || exit 1
done <objects &&
keep="$(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_expect_success 'repack --cruft generates a cruft pack' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit reachable &&
git branch -M main &&
git checkout --orphan other &&
test_commit unreachable &&
git checkout main &&
git branch -D other &&
git tag -d unreachable &&
# objects are not cruft if they are contained in the reflogs
git reflog expire --all --expire=all &&
git rev-list --objects --all --no-object-names >reachable.raw &&
git cat-file --batch-all-objects --batch-check="%(objectname)" >objects &&
sort <reachable.raw >reachable &&
comm -13 reachable objects >unreachable &&
git repack --cruft -d &&
cruft=$(basename $(ls $packdir/pack-*.mtimes) .mtimes) &&
pack=$(basename $(ls $packdir/pack-*.pack | grep -v $cruft) .pack) &&
git show-index <$packdir/$pack.idx >actual.raw &&
cut -f2 -d" " actual.raw | sort >actual &&
test_cmp reachable actual &&
git show-index <$packdir/$cruft.idx >actual.raw &&
cut -f2 -d" " actual.raw | sort >actual &&
test_cmp unreachable actual
)
'
test_expect_success 'loose objects mtimes upsert others' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit reachable &&
git repack -Ad &&
git branch -M main &&
git checkout --orphan other &&
test_commit cruft &&
# incremental repack, leaving existing objects loose (so
# they can be "freshened")
git repack &&
tip="$(git rev-parse cruft)" &&
path="$objdir/$(test_oid_to_path "$tip")" &&
test-tool chmtime --get +1000 "$path" >expect &&
git checkout main &&
git branch -D other &&
git tag -d cruft &&
git reflog expire --all --expire=all &&
git repack --cruft -d &&
mtimes="$(basename $(ls $packdir/pack-*.mtimes))" &&
test-tool pack-mtimes "$mtimes" >actual.raw &&
grep "$tip" actual.raw | cut -d" " -f2 >actual &&
test_cmp expect actual
)
'
test_expect_success 'expiring cruft objects with git gc' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit reachable &&
git branch -M main &&
git checkout --orphan other &&
test_commit unreachable &&
git checkout main &&
git branch -D other &&
git tag -d unreachable &&
# objects are not cruft if they are contained in the reflogs
git reflog expire --all --expire=all &&
git rev-list --objects --all --no-object-names >reachable.raw &&
git cat-file --batch-all-objects --batch-check="%(objectname)" >objects &&
sort <reachable.raw >reachable &&
comm -13 reachable objects >unreachable &&
# Write a cruft pack containing all unreachable objects.
git gc --cruft --prune="01-01-1980" &&
mtimes=$(ls .git/objects/pack/pack-*.mtimes) &&
test_path_is_file $mtimes &&
# Prune all unreachable objects from the cruft pack.
git gc --cruft --prune=now &&
git cat-file --batch-all-objects --batch-check="%(objectname)" >objects &&
comm -23 unreachable objects >removed &&
test_cmp unreachable removed &&
test_path_is_missing $mtimes
)
'
test_expect_success 'cruft packs are not included in geometric repack' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit reachable &&
git repack -Ad &&
git branch -M main &&
git checkout --orphan other &&
test_commit cruft &&
git repack -d &&
git checkout main &&
git branch -D other &&
git tag -d cruft &&
git reflog expire --all --expire=all &&
git repack --cruft &&
find $packdir -type f | sort >before &&
git repack --geometric=2 -d &&
find $packdir -type f | sort >after &&
test_cmp before after
)
'
test_expect_success 'repack --geometric collects once-cruft objects' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit reachable &&
git repack -Ad &&
git branch -M main &&
git checkout --orphan other &&
git rm -rf . &&
test_commit --no-tag cruft &&
cruft="$(git rev-parse HEAD)" &&
git checkout main &&
git branch -D other &&
git reflog expire --all --expire=all &&
# Pack the objects created in the previous step into a cruft
# pack. Intentionally leave loose copies of those objects
# around so we can pick them up in a subsequent --geometric
# reapack.
git repack --cruft &&
# Now make those objects reachable, and ensure that they are
# packed into the new pack created via a --geometric repack.
git update-ref refs/heads/other $cruft &&
# Without this object, the set of unpacked objects is exactly
# the set of objects already in the cruft pack. Tweak that set
# to ensure we do not overwrite the cruft pack entirely.
test_commit reachable2 &&
find $packdir -name "pack-*.idx" | sort >before &&
git repack --geometric=2 -d &&
find $packdir -name "pack-*.idx" | sort >after &&
{
git rev-list --objects --no-object-names $cruft &&
git rev-list --objects --no-object-names reachable..reachable2
} >want.raw &&
sort want.raw >want &&
pack=$(comm -13 before after) &&
git show-index <$pack >objects.raw &&
cut -d" " -f2 objects.raw | sort >got &&
test_cmp want got
)
'
test_expect_success 'cruft repack with no reachable objects' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit base &&
git repack -ad &&
base="$(git rev-parse base)" &&
git for-each-ref --format="delete %(refname)" >in &&
git update-ref --stdin <in &&
git reflog expire --all --expire=all &&
rm -fr .git/index &&
git repack --cruft -d &&
git cat-file -t $base
)
'
write_blob () {
test-tool genrandom "$@" >in &&
git hash-object -w -t blob in
}
find_pack () {
for idx in $(ls $packdir/pack-*.idx)
do
git show-index <$idx >out &&
if grep -q "$1" out
then
echo $idx
fi || return 1
done
}
test_expect_success 'cruft repack with --max-pack-size' '
git init max-pack-size &&
(
cd max-pack-size &&
test_commit base &&
# two cruft objects which exceed the maximum pack size
foo=$(write_blob foo 1048576) &&
bar=$(write_blob bar 1048576) &&
test-tool chmtime --get -1000 \
"$objdir/$(test_oid_to_path $foo)" >foo.mtime &&
test-tool chmtime --get -2000 \
"$objdir/$(test_oid_to_path $bar)" >bar.mtime &&
git repack --cruft --max-pack-size=1M &&
find $packdir -name "*.mtimes" >cruft &&
test_line_count = 2 cruft &&
foo_mtimes="$(basename $(find_pack $foo) .idx).mtimes" &&
bar_mtimes="$(basename $(find_pack $bar) .idx).mtimes" &&
test-tool pack-mtimes $foo_mtimes >foo.actual &&
test-tool pack-mtimes $bar_mtimes >bar.actual &&
echo "$foo $(cat foo.mtime)" >foo.expect &&
echo "$bar $(cat bar.mtime)" >bar.expect &&
test_cmp foo.expect foo.actual &&
test_cmp bar.expect bar.actual &&
test "$foo_mtimes" != "$bar_mtimes"
)
'
test_expect_success 'cruft repack with pack.packSizeLimit' '
(
cd max-pack-size &&
# repack everything back together to remove the existing cruft
# pack (but to keep its objects)
git repack -adk &&
git -c pack.packSizeLimit=1M repack --cruft &&
# ensure the same post condition is met when --max-pack-size
# would otherwise be inferred from the configuration
find $packdir -name "*.mtimes" >cruft &&
test_line_count = 2 cruft &&
for pack in $(cat cruft)
do
test-tool pack-mtimes "$(basename $pack)" >objects &&
test_line_count = 1 objects || return 1
done
)
'
test_expect_success 'cruft repack respects repack.cruftWindow' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit base &&
GIT_TRACE2_EVENT=$(pwd)/event.trace \
git -c pack.window=1 -c repack.cruftWindow=2 repack \
--cruft --window=3 &&
grep "pack-objects.*--window=2.*--cruft" event.trace
)
'
test_expect_success 'cruft repack respects --window by default' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit base &&
GIT_TRACE2_EVENT=$(pwd)/event.trace \
git -c pack.window=2 repack --cruft --window=3 &&
grep "pack-objects.*--window=3.*--cruft" event.trace
)
'
test_expect_success 'cruft repack respects --quiet' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit base &&
GIT_PROGRESS_DELAY=0 git repack --cruft --quiet 2>err &&
test_must_be_empty err
)
'
test_expect_success 'cruft --local drops unreachable objects' '
git init alternate &&
git init repo &&
test_when_finished "rm -fr alternate repo" &&
test_commit -C alternate base &&
# Pack all objects in alterate so that the cruft repack in "repo" sees
# the object it dropped due to `--local` as packed. Otherwise this
# object would not appear packed anywhere (since it is not packed in
# alternate and likewise not part of the cruft pack in the other repo
# because of `--local`).
git -C alternate repack -ad &&
(
cd repo &&
object="$(git -C ../alternate rev-parse HEAD:base.t)" &&
git -C ../alternate cat-file -p $object >contents &&
# Write some reachable objects and two unreachable ones: one
# that the alternate has and another that is unique.
test_commit other &&
git hash-object -w -t blob contents &&
cruft="$(echo cruft | git hash-object -w -t blob --stdin)" &&
( cd ../alternate/.git/objects && pwd ) \
>.git/objects/info/alternates &&
test_path_is_file $objdir/$(test_oid_to_path $cruft) &&
test_path_is_file $objdir/$(test_oid_to_path $object) &&
git repack -d --cruft --local &&
test-tool pack-mtimes "$(basename $(ls $packdir/pack-*.mtimes))" \
>objects &&
! grep $object objects &&
grep $cruft objects
)
'
test_expect_success 'MIDX bitmaps tolerate reachable cruft objects' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit reachable &&
test_commit cruft &&
unreachable="$(git rev-parse cruft)" &&
git reset --hard $unreachable^ &&
git tag -d cruft &&
git reflog expire --all --expire=all &&
git repack --cruft -d &&
# resurrect the unreachable object via a new commit. the
# new commit will get selected for a bitmap, but be
# missing one of its parents from the selected packs.
git reset --hard $unreachable &&
test_commit resurrect &&
git repack --write-midx --write-bitmap-index --geometric=2 -d
)
'
test_expect_success 'cruft objects are freshend via loose' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
echo "cruft" >contents &&
blob="$(git hash-object -w -t blob contents)" &&
loose="$objdir/$(test_oid_to_path $blob)" &&
test_commit base &&
git repack --cruft -d &&
test_path_is_missing "$loose" &&
test-tool pack-mtimes "$(basename "$(ls $packdir/pack-*.mtimes)")" >cruft &&
grep "$blob" cruft &&
# write the same object again
git hash-object -w -t blob contents &&
test_path_is_file "$loose"
)
'
test_expect_success 'gc.recentObjectsHook' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
# Create a handful of objects.
#
# - one reachable commit, "base", designated for the reachable
# pack
# - one unreachable commit, "cruft.discard", which is marked
# for deletion
# - one unreachable commit, "cruft.old", which would be marked
# for deletion, but is rescued as an extra cruft tip
# - one unreachable commit, "cruft.new", which is not marked
# for deletion
test_commit base &&
git branch -M main &&
git checkout --orphan discard &&
git rm -fr . &&
test_commit --no-tag cruft.discard &&
git checkout --orphan old &&
git rm -fr . &&
test_commit --no-tag cruft.old &&
cruft_old="$(git rev-parse HEAD)" &&
git checkout --orphan new &&
git rm -fr . &&
test_commit --no-tag cruft.new &&
cruft_new="$(git rev-parse HEAD)" &&
git checkout main &&
git branch -D discard old new &&
git reflog expire --all --expire=all &&
# mark cruft.old with an mtime that is many minutes
# older than the expiration period, and mark cruft.new
# with an mtime that is in the future (and thus not
# eligible for pruning).
test-tool chmtime -2000 "$objdir/$(test_oid_to_path $cruft_old)" &&
test-tool chmtime +1000 "$objdir/$(test_oid_to_path $cruft_new)" &&
# Write the list of cruft objects we expect to
# accumulate, which is comprised of everything reachable
# from cruft.old and cruft.new, but not cruft.discard.
git rev-list --objects --no-object-names \
$cruft_old $cruft_new >cruft.raw &&
sort cruft.raw >cruft.expect &&
# Write the script to list extra tips, which are limited
# to cruft.old, in this case.
write_script extra-tips <<-EOF &&
echo $cruft_old
EOF
git config gc.recentObjectsHook ./extra-tips &&
git repack --cruft --cruft-expiration=now -d &&
mtimes="$(ls .git/objects/pack/pack-*.mtimes)" &&
git show-index <${mtimes%.mtimes}.idx >cruft &&
cut -d" " -f2 cruft | sort >cruft.actual &&
test_cmp cruft.expect cruft.actual &&
# Ensure that the "old" objects are removed after
# dropping the gc.recentObjectsHook hook.
git config --unset gc.recentObjectsHook &&
git repack --cruft --cruft-expiration=now -d &&
mtimes="$(ls .git/objects/pack/pack-*.mtimes)" &&
git show-index <${mtimes%.mtimes}.idx >cruft &&
cut -d" " -f2 cruft | sort >cruft.actual &&
git rev-list --objects --no-object-names $cruft_new >cruft.raw &&
cp cruft.expect cruft.old &&
sort cruft.raw >cruft.expect &&
test_cmp cruft.expect cruft.actual &&
# ensure objects which are no longer in the cruft pack were
# removed from the repository
for object in $(comm -13 cruft.expect cruft.old)
do
test_must_fail git cat-file -t $object || return 1
done
)
'
test_expect_success 'multi-valued gc.recentObjectsHook' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit base &&
git branch -M main &&
git checkout --orphan cruft.a &&
git rm -fr . &&
test_commit --no-tag cruft.a &&
cruft_a="$(git rev-parse HEAD)" &&
git checkout --orphan cruft.b &&
git rm -fr . &&
test_commit --no-tag cruft.b &&
cruft_b="$(git rev-parse HEAD)" &&
git checkout main &&
git branch -D cruft.a cruft.b &&
git reflog expire --all --expire=all &&
echo "echo $cruft_a" | write_script extra-tips.a &&
echo "echo $cruft_b" | write_script extra-tips.b &&
echo "false" | write_script extra-tips.c &&
git rev-list --objects --no-object-names $cruft_a $cruft_b \
>cruft.raw &&
sort cruft.raw >cruft.expect &&
# ensure that each extra cruft tip is saved by its
# respective hook
git config --add gc.recentObjectsHook ./extra-tips.a &&
git config --add gc.recentObjectsHook ./extra-tips.b &&
git repack --cruft --cruft-expiration=now -d &&
mtimes="$(ls .git/objects/pack/pack-*.mtimes)" &&
git show-index <${mtimes%.mtimes}.idx >cruft &&
cut -d" " -f2 cruft | sort >cruft.actual &&
test_cmp cruft.expect cruft.actual &&
# ensure that a dirty exit halts cruft pack generation
git config --add gc.recentObjectsHook ./extra-tips.c &&
test_must_fail git repack --cruft --cruft-expiration=now -d 2>err &&
grep "unable to enumerate additional recent objects" err &&
# and that the existing cruft pack is left alone
test_path_is_file "$mtimes"
)
'
test_expect_success 'additional cruft blobs via gc.recentObjectsHook' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit base &&
blob=$(echo "unreachable" | git hash-object -w --stdin) &&
# mark the unreachable blob we wrote above as having
# aged out of the retention period
test-tool chmtime -2000 "$objdir/$(test_oid_to_path $blob)" &&
# Write the script to list extra tips, which is just the
# extra blob as above.
write_script extra-tips <<-EOF &&
echo $blob
EOF
git config gc.recentObjectsHook ./extra-tips &&
git repack --cruft --cruft-expiration=now -d &&
mtimes="$(ls .git/objects/pack/pack-*.mtimes)" &&
git show-index <${mtimes%.mtimes}.idx >cruft &&
cut -d" " -f2 cruft >actual &&
echo $blob >expect &&
test_cmp expect actual
)
'
test_done
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