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Diffstat (limited to 't/t5329-pack-objects-cruft.sh')
| -rwxr-xr-x | t/t5329-pack-objects-cruft.sh | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/t/t5329-pack-objects-cruft.sh b/t/t5329-pack-objects-cruft.sh new file mode 100755 index 0000000000..003ca7344e --- /dev/null +++ b/t/t5329-pack-objects-cruft.sh @@ -0,0 +1,218 @@ +#!/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 + +test_done |