mirror of
https://github.com/git/git.git
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9aa1cba01a
Replace a 'git repack --cruft -d' with the wrapper 'git gc --cruft' to exercise some logic in builtin/gc.c that adds the '--cruft' option to the underlying 'git repack' command. Signed-off-by: Derrick Stolee <derrickstolee@github.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
742 lines
19 KiB
Bash
Executable File
742 lines
19 KiB
Bash
Executable File
#!/bin/sh
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test_description='cruft pack related pack-objects tests'
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. ./test-lib.sh
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objdir=.git/objects
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packdir=$objdir/pack
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basic_cruft_pack_tests () {
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expire="$1"
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test_expect_success "unreachable loose objects are packed (expire $expire)" '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit base &&
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git repack -Ad &&
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test_commit loose &&
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test-tool chmtime +2000 "$objdir/$(test_oid_to_path \
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$(git rev-parse loose:loose.t))" &&
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test-tool chmtime +1000 "$objdir/$(test_oid_to_path \
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$(git rev-parse loose^{tree}))" &&
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(
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git rev-list --objects --no-object-names base..loose |
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while read oid
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do
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path="$objdir/$(test_oid_to_path "$oid")" &&
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printf "%s %d\n" "$oid" "$(test-tool chmtime --get "$path")"
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done |
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sort -k1
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) >expect &&
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keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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cruft="$(echo $keep | git pack-objects --cruft \
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--cruft-expiration="$expire" $packdir/pack)" &&
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test-tool pack-mtimes "pack-$cruft.mtimes" >actual &&
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test_cmp expect actual
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)
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'
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test_expect_success "unreachable packed objects are packed (expire $expire)" '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit packed &&
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git repack -Ad &&
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test_commit other &&
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git rev-list --objects --no-object-names packed.. >objects &&
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keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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other="$(git pack-objects --delta-base-offset \
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$packdir/pack <objects)" &&
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git prune-packed &&
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test-tool chmtime --get -100 "$packdir/pack-$other.pack" >expect &&
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cruft="$(git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack <<-EOF
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$keep
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-pack-$other.pack
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EOF
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)" &&
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test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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cut -d" " -f2 <actual.raw | sort -u >actual &&
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test_cmp expect actual
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)
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'
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test_expect_success "unreachable cruft objects are repacked (expire $expire)" '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit packed &&
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git repack -Ad &&
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test_commit other &&
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git rev-list --objects --no-object-names packed.. >objects &&
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keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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cruft_a="$(echo $keep | git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack)" &&
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git prune-packed &&
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cruft_b="$(git pack-objects --cruft --cruft-expiration="$expire" $packdir/pack <<-EOF
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$keep
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-pack-$cruft_a.pack
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EOF
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)" &&
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test-tool pack-mtimes "pack-$cruft_a.mtimes" >expect.raw &&
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test-tool pack-mtimes "pack-$cruft_b.mtimes" >actual.raw &&
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sort <expect.raw >expect &&
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sort <actual.raw >actual &&
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test_cmp expect actual
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)
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'
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test_expect_success "multiple cruft packs (expire $expire)" '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit reachable &&
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git repack -Ad &&
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keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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test_commit cruft &&
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loose="$objdir/$(test_oid_to_path $(git rev-parse cruft))" &&
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# generate three copies of the cruft object in different
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# cruft packs, each with a unique mtime:
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# - one expired (1000 seconds ago)
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# - two non-expired (one 1000 seconds in the future,
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# one 1500 seconds in the future)
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test-tool chmtime =-1000 "$loose" &&
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git pack-objects --cruft $packdir/pack-A <<-EOF &&
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$keep
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EOF
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test-tool chmtime =+1000 "$loose" &&
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git pack-objects --cruft $packdir/pack-B <<-EOF &&
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$keep
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-$(basename $(ls $packdir/pack-A-*.pack))
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EOF
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test-tool chmtime =+1500 "$loose" &&
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git pack-objects --cruft $packdir/pack-C <<-EOF &&
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$keep
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-$(basename $(ls $packdir/pack-A-*.pack))
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-$(basename $(ls $packdir/pack-B-*.pack))
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EOF
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# ensure the resulting cruft pack takes the most recent
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# mtime among all copies
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cruft="$(git pack-objects --cruft \
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--cruft-expiration="$expire" \
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$packdir/pack <<-EOF
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$keep
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-$(basename $(ls $packdir/pack-A-*.pack))
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-$(basename $(ls $packdir/pack-B-*.pack))
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-$(basename $(ls $packdir/pack-C-*.pack))
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EOF
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)" &&
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test-tool pack-mtimes "$(basename $(ls $packdir/pack-C-*.mtimes))" >expect.raw &&
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test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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sort expect.raw >expect &&
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sort actual.raw >actual &&
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test_cmp expect actual
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)
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'
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test_expect_success "cruft packs tolerate missing trees (expire $expire)" '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit reachable &&
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test_commit cruft &&
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tree="$(git rev-parse cruft^{tree})" &&
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git reset --hard reachable &&
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git tag -d cruft &&
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git reflog expire --all --expire=all &&
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# remove the unreachable tree, but leave the commit
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# which has it as its root tree intact
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rm -fr "$objdir/$(test_oid_to_path "$tree")" &&
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git repack -Ad &&
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basename $(ls $packdir/pack-*.pack) >in &&
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git pack-objects --cruft --cruft-expiration="$expire" \
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$packdir/pack <in
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)
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'
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test_expect_success "cruft packs tolerate missing blobs (expire $expire)" '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit reachable &&
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test_commit cruft &&
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blob="$(git rev-parse cruft:cruft.t)" &&
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git reset --hard reachable &&
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git tag -d cruft &&
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git reflog expire --all --expire=all &&
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# remove the unreachable blob, but leave the commit (and
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# the root tree of that commit) intact
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rm -fr "$objdir/$(test_oid_to_path "$blob")" &&
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git repack -Ad &&
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basename $(ls $packdir/pack-*.pack) >in &&
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git pack-objects --cruft --cruft-expiration="$expire" \
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$packdir/pack <in
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)
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'
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}
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basic_cruft_pack_tests never
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basic_cruft_pack_tests 2.weeks.ago
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test_expect_success 'cruft tags rescue tagged objects' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit packed &&
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git repack -Ad &&
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test_commit tagged &&
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git tag -a annotated -m tag &&
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git rev-list --objects --no-object-names packed.. >objects &&
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while read oid
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do
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test-tool chmtime -1000 \
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"$objdir/$(test_oid_to_path $oid)"
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done <objects &&
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test-tool chmtime -500 \
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"$objdir/$(test_oid_to_path $(git rev-parse annotated))" &&
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keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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cruft="$(echo $keep | git pack-objects --cruft \
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--cruft-expiration=750.seconds.ago \
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$packdir/pack)" &&
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test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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cut -f1 -d" " <actual.raw | sort >actual &&
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(
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cat objects &&
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git rev-parse annotated
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) >expect.raw &&
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sort <expect.raw >expect &&
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test_cmp expect actual &&
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cat actual
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)
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'
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test_expect_success 'cruft commits rescue parents, trees' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit packed &&
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git repack -Ad &&
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test_commit old &&
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test_commit new &&
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git rev-list --objects --no-object-names packed..new >objects &&
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while read object
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do
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test-tool chmtime -1000 \
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"$objdir/$(test_oid_to_path $object)"
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done <objects &&
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test-tool chmtime +500 "$objdir/$(test_oid_to_path \
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$(git rev-parse HEAD))" &&
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keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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cruft="$(echo $keep | git pack-objects --cruft \
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--cruft-expiration=750.seconds.ago \
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$packdir/pack)" &&
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test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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cut -d" " -f1 <actual.raw | sort >actual &&
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sort <objects >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success 'cruft trees rescue sub-trees, blobs' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit packed &&
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git repack -Ad &&
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mkdir -p dir/sub &&
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echo foo >foo &&
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echo bar >dir/bar &&
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echo baz >dir/sub/baz &&
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test_tick &&
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git add . &&
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git commit -m "pruned" &&
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test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD))" &&
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test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD^{tree}))" &&
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test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:foo))" &&
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test-tool chmtime -500 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir))" &&
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test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/bar))" &&
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test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/sub))" &&
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test-tool chmtime -1000 "$objdir/$(test_oid_to_path $(git rev-parse HEAD:dir/sub/baz))" &&
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keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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cruft="$(echo $keep | git pack-objects --cruft \
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--cruft-expiration=750.seconds.ago \
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$packdir/pack)" &&
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test-tool pack-mtimes "pack-$cruft.mtimes" >actual.raw &&
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cut -f1 -d" " <actual.raw | sort >actual &&
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git rev-parse HEAD:dir HEAD:dir/bar HEAD:dir/sub HEAD:dir/sub/baz >expect.raw &&
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sort <expect.raw >expect &&
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test_cmp expect actual
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)
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'
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test_expect_success 'expired objects are pruned' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit packed &&
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git repack -Ad &&
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test_commit pruned &&
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git rev-list --objects --no-object-names packed..pruned >objects &&
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while read object
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do
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test-tool chmtime -1000 \
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"$objdir/$(test_oid_to_path $object)"
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done <objects &&
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keep="$(basename "$(ls $packdir/pack-*.pack)")" &&
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cruft="$(echo $keep | git pack-objects --cruft \
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--cruft-expiration=750.seconds.ago \
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$packdir/pack)" &&
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test-tool pack-mtimes "pack-$cruft.mtimes" >actual &&
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test_must_be_empty actual
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)
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'
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test_expect_success 'repack --cruft generates a cruft pack' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit reachable &&
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git branch -M main &&
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git checkout --orphan other &&
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test_commit unreachable &&
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git checkout main &&
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git branch -D other &&
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git tag -d unreachable &&
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# objects are not cruft if they are contained in the reflogs
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git reflog expire --all --expire=all &&
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git rev-list --objects --all --no-object-names >reachable.raw &&
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git cat-file --batch-all-objects --batch-check="%(objectname)" >objects &&
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sort <reachable.raw >reachable &&
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comm -13 reachable objects >unreachable &&
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git repack --cruft -d &&
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cruft=$(basename $(ls $packdir/pack-*.mtimes) .mtimes) &&
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pack=$(basename $(ls $packdir/pack-*.pack | grep -v $cruft) .pack) &&
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git show-index <$packdir/$pack.idx >actual.raw &&
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cut -f2 -d" " actual.raw | sort >actual &&
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test_cmp reachable actual &&
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git show-index <$packdir/$cruft.idx >actual.raw &&
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cut -f2 -d" " actual.raw | sort >actual &&
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test_cmp unreachable actual
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)
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'
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test_expect_success 'loose objects mtimes upsert others' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit reachable &&
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git repack -Ad &&
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git branch -M main &&
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git checkout --orphan other &&
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test_commit cruft &&
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# incremental repack, leaving existing objects loose (so
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# they can be "freshened")
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git repack &&
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tip="$(git rev-parse cruft)" &&
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path="$objdir/$(test_oid_to_path "$tip")" &&
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test-tool chmtime --get +1000 "$path" >expect &&
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git checkout main &&
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git branch -D other &&
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git tag -d cruft &&
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git reflog expire --all --expire=all &&
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git repack --cruft -d &&
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mtimes="$(basename $(ls $packdir/pack-*.mtimes))" &&
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test-tool pack-mtimes "$mtimes" >actual.raw &&
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grep "$tip" actual.raw | cut -d" " -f2 >actual &&
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test_cmp expect actual
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)
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'
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test_expect_success 'expiring cruft objects with git gc' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit reachable &&
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git branch -M main &&
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git checkout --orphan other &&
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test_commit unreachable &&
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git checkout main &&
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git branch -D other &&
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git tag -d unreachable &&
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# objects are not cruft if they are contained in the reflogs
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git reflog expire --all --expire=all &&
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git rev-list --objects --all --no-object-names >reachable.raw &&
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git cat-file --batch-all-objects --batch-check="%(objectname)" >objects &&
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sort <reachable.raw >reachable &&
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comm -13 reachable objects >unreachable &&
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# Write a cruft pack containing all unreachable objects.
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git gc --cruft --prune="01-01-1980" &&
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mtimes=$(ls .git/objects/pack/pack-*.mtimes) &&
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test_path_is_file $mtimes &&
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# Prune all unreachable objects from the cruft pack.
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git gc --cruft --prune=now &&
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git cat-file --batch-all-objects --batch-check="%(objectname)" >objects &&
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comm -23 unreachable objects >removed &&
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test_cmp unreachable removed &&
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test_path_is_missing $mtimes
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)
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'
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test_expect_success 'cruft packs are not included in geometric repack' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit reachable &&
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git repack -Ad &&
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git branch -M main &&
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git checkout --orphan other &&
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test_commit cruft &&
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git repack -d &&
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git checkout main &&
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git branch -D other &&
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git tag -d cruft &&
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git reflog expire --all --expire=all &&
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git repack --cruft &&
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find $packdir -type f | sort >before &&
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git repack --geometric=2 -d &&
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find $packdir -type f | sort >after &&
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test_cmp before after
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)
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'
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test_expect_success 'repack --geometric collects once-cruft objects' '
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git init repo &&
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test_when_finished "rm -fr repo" &&
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(
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cd repo &&
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test_commit reachable &&
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git repack -Ad &&
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git branch -M main &&
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git checkout --orphan other &&
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git rm -rf . &&
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test_commit --no-tag cruft &&
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cruft="$(git rev-parse HEAD)" &&
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git checkout main &&
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git branch -D other &&
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git reflog expire --all --expire=all &&
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# Pack the objects created in the previous step into a cruft
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# pack. Intentionally leave loose copies of those objects
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# around so we can pick them up in a subsequent --geometric
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# reapack.
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git repack --cruft &&
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# Now make those objects reachable, and ensure that they are
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# 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
|
|
)
|
|
'
|
|
|
|
test_expect_success 'cruft repack ignores --max-pack-size' '
|
|
git init max-pack-size &&
|
|
(
|
|
cd max-pack-size &&
|
|
test_commit base &&
|
|
# two cruft objects which exceed the maximum pack size
|
|
test-tool genrandom foo 1048576 | git hash-object --stdin -w &&
|
|
test-tool genrandom bar 1048576 | git hash-object --stdin -w &&
|
|
git repack --cruft --max-pack-size=1M &&
|
|
find $packdir -name "*.mtimes" >cruft &&
|
|
test_line_count = 1 cruft &&
|
|
test-tool pack-mtimes "$(basename "$(cat cruft)")" >objects &&
|
|
test_line_count = 2 objects
|
|
)
|
|
'
|
|
|
|
test_expect_success 'cruft repack ignores 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 $packdir -name "*.mtimes" >cruft &&
|
|
test_line_count = 1 cruft &&
|
|
test-tool pack-mtimes "$(basename "$(cat cruft)")" >objects &&
|
|
test_line_count = 2 objects
|
|
)
|
|
'
|
|
|
|
test_expect_success 'cruft repack respects repack.cruftWindow' '
|
|
git init repo &&
|
|
test_when_finished "rm -fr repo" &&
|
|
(
|
|
cd repo &&
|
|
|
|
test_commit base &&
|
|
|
|
GIT_TRACE2_EVENT=$(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_done
|