diff options
Diffstat (limited to 'third_party/git/t/t5310-pack-bitmaps.sh')
| -rwxr-xr-x | third_party/git/t/t5310-pack-bitmaps.sh | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/third_party/git/t/t5310-pack-bitmaps.sh b/third_party/git/t/t5310-pack-bitmaps.sh deleted file mode 100755 index 6640329ebf..0000000000 --- a/third_party/git/t/t5310-pack-bitmaps.sh +++ /dev/null @@ -1,429 +0,0 @@ -#!/bin/sh - -test_description='exercise basic bitmap functionality' -. ./test-lib.sh - -objpath () { - echo ".git/objects/$(echo "$1" | sed -e 's|\(..\)|\1/|')" -} - -# show objects present in pack ($1 should be associated *.idx) -list_packed_objects () { - git show-index <"$1" >object-list && - cut -d' ' -f2 object-list -} - -# has_any pattern-file content-file -# tests whether content-file has any entry from pattern-file with entries being -# whole lines. -has_any () { - grep -Ff "$1" "$2" -} - -test_expect_success 'setup repo with moderate-sized history' ' - test_commit_bulk --id=file 100 && - git checkout -b other HEAD~5 && - test_commit_bulk --id=side 10 && - git checkout master && - bitmaptip=$(git rev-parse master) && - blob=$(echo tagged-blob | git hash-object -w --stdin) && - git tag tagged-blob $blob && - git config repack.writebitmaps true -' - -test_expect_success 'full repack creates bitmaps' ' - git repack -ad && - ls .git/objects/pack/ | grep bitmap >output && - test_line_count = 1 output -' - -test_expect_success 'rev-list --test-bitmap verifies bitmaps' ' - git rev-list --test-bitmap HEAD -' - -rev_list_tests() { - state=$1 - - test_expect_success "counting commits via bitmap ($state)" ' - git rev-list --count HEAD >expect && - git rev-list --use-bitmap-index --count HEAD >actual && - test_cmp expect actual - ' - - test_expect_success "counting partial commits via bitmap ($state)" ' - git rev-list --count HEAD~5..HEAD >expect && - git rev-list --use-bitmap-index --count HEAD~5..HEAD >actual && - test_cmp expect actual - ' - - test_expect_success "counting commits with limit ($state)" ' - git rev-list --count -n 1 HEAD >expect && - git rev-list --use-bitmap-index --count -n 1 HEAD >actual && - test_cmp expect actual - ' - - test_expect_success "counting non-linear history ($state)" ' - git rev-list --count other...master >expect && - git rev-list --use-bitmap-index --count other...master >actual && - test_cmp expect actual - ' - - test_expect_success "counting commits with limiting ($state)" ' - git rev-list --count HEAD -- 1.t >expect && - git rev-list --use-bitmap-index --count HEAD -- 1.t >actual && - test_cmp expect actual - ' - - test_expect_success "enumerate --objects ($state)" ' - git rev-list --objects --use-bitmap-index HEAD >tmp && - cut -d" " -f1 <tmp >tmp2 && - sort <tmp2 >actual && - git rev-list --objects HEAD >tmp && - cut -d" " -f1 <tmp >tmp2 && - sort <tmp2 >expect && - test_cmp expect actual - ' - - test_expect_success "bitmap --objects handles non-commit objects ($state)" ' - git rev-list --objects --use-bitmap-index HEAD tagged-blob >actual && - grep $blob actual - ' -} - -rev_list_tests 'full bitmap' - -test_expect_success 'clone from bitmapped repository' ' - git clone --no-local --bare . clone.git && - git rev-parse HEAD >expect && - git --git-dir=clone.git rev-parse HEAD >actual && - test_cmp expect actual -' - -test_expect_success 'setup further non-bitmapped commits' ' - test_commit_bulk --id=further 10 -' - -rev_list_tests 'partial bitmap' - -test_expect_success 'fetch (partial bitmap)' ' - git --git-dir=clone.git fetch origin master:master && - git rev-parse HEAD >expect && - git --git-dir=clone.git rev-parse HEAD >actual && - test_cmp expect actual -' - -test_expect_success 'incremental repack fails when bitmaps are requested' ' - test_commit more-1 && - test_must_fail git repack -d 2>err && - test_i18ngrep "Incremental repacks are incompatible with bitmap" err -' - -test_expect_success 'incremental repack can disable bitmaps' ' - test_commit more-2 && - git repack -d --no-write-bitmap-index -' - -test_expect_success 'pack-objects respects --local (non-local loose)' ' - git init --bare alt.git && - echo $(pwd)/alt.git/objects >.git/objects/info/alternates && - echo content1 >file1 && - # non-local loose object which is not present in bitmapped pack - altblob=$(GIT_DIR=alt.git git hash-object -w file1) && - # non-local loose object which is also present in bitmapped pack - git cat-file blob $blob | GIT_DIR=alt.git git hash-object -w --stdin && - git add file1 && - test_tick && - git commit -m commit_file1 && - echo HEAD | git pack-objects --local --stdout --revs >1.pack && - git index-pack 1.pack && - list_packed_objects 1.idx >1.objects && - printf "%s\n" "$altblob" "$blob" >nonlocal-loose && - ! has_any nonlocal-loose 1.objects -' - -test_expect_success 'pack-objects respects --honor-pack-keep (local non-bitmapped pack)' ' - echo content2 >file2 && - blob2=$(git hash-object -w file2) && - git add file2 && - test_tick && - git commit -m commit_file2 && - printf "%s\n" "$blob2" "$bitmaptip" >keepobjects && - pack2=$(git pack-objects pack2 <keepobjects) && - mv pack2-$pack2.* .git/objects/pack/ && - >.git/objects/pack/pack2-$pack2.keep && - rm $(objpath $blob2) && - echo HEAD | git pack-objects --honor-pack-keep --stdout --revs >2a.pack && - git index-pack 2a.pack && - list_packed_objects 2a.idx >2a.objects && - ! has_any keepobjects 2a.objects -' - -test_expect_success 'pack-objects respects --local (non-local pack)' ' - mv .git/objects/pack/pack2-$pack2.* alt.git/objects/pack/ && - echo HEAD | git pack-objects --local --stdout --revs >2b.pack && - git index-pack 2b.pack && - list_packed_objects 2b.idx >2b.objects && - ! has_any keepobjects 2b.objects -' - -test_expect_success 'pack-objects respects --honor-pack-keep (local bitmapped pack)' ' - ls .git/objects/pack/ | grep bitmap >output && - test_line_count = 1 output && - packbitmap=$(basename $(cat output) .bitmap) && - list_packed_objects .git/objects/pack/$packbitmap.idx >packbitmap.objects && - test_when_finished "rm -f .git/objects/pack/$packbitmap.keep" && - >.git/objects/pack/$packbitmap.keep && - echo HEAD | git pack-objects --honor-pack-keep --stdout --revs >3a.pack && - git index-pack 3a.pack && - list_packed_objects 3a.idx >3a.objects && - ! has_any packbitmap.objects 3a.objects -' - -test_expect_success 'pack-objects respects --local (non-local bitmapped pack)' ' - mv .git/objects/pack/$packbitmap.* alt.git/objects/pack/ && - rm -f .git/objects/pack/multi-pack-index && - test_when_finished "mv alt.git/objects/pack/$packbitmap.* .git/objects/pack/" && - echo HEAD | git pack-objects --local --stdout --revs >3b.pack && - git index-pack 3b.pack && - list_packed_objects 3b.idx >3b.objects && - ! has_any packbitmap.objects 3b.objects -' - -test_expect_success 'pack-objects to file can use bitmap' ' - # make sure we still have 1 bitmap index from previous tests - ls .git/objects/pack/ | grep bitmap >output && - test_line_count = 1 output && - # verify equivalent packs are generated with/without using bitmap index - packasha1=$(git pack-objects --no-use-bitmap-index --all packa </dev/null) && - packbsha1=$(git pack-objects --use-bitmap-index --all packb </dev/null) && - list_packed_objects packa-$packasha1.idx >packa.objects && - list_packed_objects packb-$packbsha1.idx >packb.objects && - test_cmp packa.objects packb.objects -' - -test_expect_success 'full repack, reusing previous bitmaps' ' - git repack -ad && - ls .git/objects/pack/ | grep bitmap >output && - test_line_count = 1 output -' - -test_expect_success 'fetch (full bitmap)' ' - git --git-dir=clone.git fetch origin master:master && - git rev-parse HEAD >expect && - git --git-dir=clone.git rev-parse HEAD >actual && - test_cmp expect actual -' - -test_expect_success 'create objects for missing-HAVE tests' ' - blob=$(echo "missing have" | git hash-object -w --stdin) && - tree=$(printf "100644 blob $blob\tfile\n" | git mktree) && - parent=$(echo parent | git commit-tree $tree) && - commit=$(echo commit | git commit-tree $tree -p $parent) && - cat >revs <<-EOF - HEAD - ^HEAD^ - ^$commit - EOF -' - -test_expect_success 'pack-objects respects --incremental' ' - cat >revs2 <<-EOF && - HEAD - $commit - EOF - git pack-objects --incremental --stdout --revs <revs2 >4.pack && - git index-pack 4.pack && - list_packed_objects 4.idx >4.objects && - test_line_count = 4 4.objects && - git rev-list --objects $commit >revlist && - cut -d" " -f1 revlist |sort >objects && - test_cmp 4.objects objects -' - -test_expect_success 'pack with missing blob' ' - rm $(objpath $blob) && - git pack-objects --stdout --revs <revs >/dev/null -' - -test_expect_success 'pack with missing tree' ' - rm $(objpath $tree) && - git pack-objects --stdout --revs <revs >/dev/null -' - -test_expect_success 'pack with missing parent' ' - rm $(objpath $parent) && - git pack-objects --stdout --revs <revs >/dev/null -' - -test_expect_success JGIT 'we can read jgit bitmaps' ' - git clone --bare . compat-jgit.git && - ( - cd compat-jgit.git && - rm -f objects/pack/*.bitmap && - jgit gc && - git rev-list --test-bitmap HEAD - ) -' - -test_expect_success JGIT 'jgit can read our bitmaps' ' - git clone --bare . compat-us.git && - ( - cd compat-us.git && - git repack -adb && - # jgit gc will barf if it does not like our bitmaps - jgit gc - ) -' - -test_expect_success 'splitting packs does not generate bogus bitmaps' ' - test-tool genrandom foo $((1024 * 1024)) >rand && - git add rand && - git commit -m "commit with big file" && - git -c pack.packSizeLimit=500k repack -adb && - git init --bare no-bitmaps.git && - git -C no-bitmaps.git fetch .. HEAD -' - -test_expect_success 'set up reusable pack' ' - rm -f .git/objects/pack/*.keep && - git repack -adb && - reusable_pack () { - git for-each-ref --format="%(objectname)" | - git pack-objects --delta-base-offset --revs --stdout "$@" - } -' - -test_expect_success 'pack reuse respects --honor-pack-keep' ' - test_when_finished "rm -f .git/objects/pack/*.keep" && - for i in .git/objects/pack/*.pack - do - >${i%.pack}.keep - done && - reusable_pack --honor-pack-keep >empty.pack && - git index-pack empty.pack && - git show-index <empty.idx >actual && - test_must_be_empty actual -' - -test_expect_success 'pack reuse respects --local' ' - mv .git/objects/pack/* alt.git/objects/pack/ && - test_when_finished "mv alt.git/objects/pack/* .git/objects/pack/" && - reusable_pack --local >empty.pack && - git index-pack empty.pack && - git show-index <empty.idx >actual && - test_must_be_empty actual -' - -test_expect_success 'pack reuse respects --incremental' ' - reusable_pack --incremental >empty.pack && - git index-pack empty.pack && - git show-index <empty.idx >actual && - test_must_be_empty actual -' - -test_expect_success 'truncated bitmap fails gracefully' ' - git repack -ad && - git rev-list --use-bitmap-index --count --all >expect && - bitmap=$(ls .git/objects/pack/*.bitmap) && - test_when_finished "rm -f $bitmap" && - test_copy_bytes 512 <$bitmap >$bitmap.tmp && - mv -f $bitmap.tmp $bitmap && - git rev-list --use-bitmap-index --count --all >actual 2>stderr && - test_cmp expect actual && - test_i18ngrep corrupt stderr -' - -# have_delta <obj> <expected_base> -# -# Note that because this relies on cat-file, it might find _any_ copy of an -# object in the repository. The caller is responsible for making sure -# there's only one (e.g., via "repack -ad", or having just fetched a copy). -have_delta () { - echo $2 >expect && - echo $1 | git cat-file --batch-check="%(deltabase)" >actual && - test_cmp expect actual -} - -# Create a state of history with these properties: -# -# - refs that allow a client to fetch some new history, while sharing some old -# history with the server; we use branches delta-reuse-old and -# delta-reuse-new here -# -# - the new history contains an object that is stored on the server as a delta -# against a base that is in the old history -# -# - the base object is not immediately reachable from the tip of the old -# history; finding it would involve digging down through history we know the -# other side has -# -# This should result in a state where fetching from old->new would not -# traditionally reuse the on-disk delta (because we'd have to dig to realize -# that the client has it), but we will do so if bitmaps can tell us cheaply -# that the other side has it. -test_expect_success 'set up thin delta-reuse parent' ' - # This first commit contains the buried base object. - test-tool genrandom delta 16384 >file && - git add file && - git commit -m "delta base" && - base=$(git rev-parse --verify HEAD:file) && - - # These intermediate commits bury the base back in history. - # This becomes the "old" state. - for i in 1 2 3 4 5 - do - echo $i >file && - git commit -am "intermediate $i" || return 1 - done && - git branch delta-reuse-old && - - # And now our new history has a delta against the buried base. Note - # that this must be smaller than the original file, since pack-objects - # prefers to create deltas from smaller objects to larger. - test-tool genrandom delta 16300 >file && - git commit -am "delta result" && - delta=$(git rev-parse --verify HEAD:file) && - git branch delta-reuse-new && - - # Repack with bitmaps and double check that we have the expected delta - # relationship. - git repack -adb && - have_delta $delta $base -' - -# Now we can sanity-check the non-bitmap behavior (that the server is not able -# to reuse the delta). This isn't strictly something we care about, so this -# test could be scrapped in the future. But it makes sure that the next test is -# actually triggering the feature we want. -# -# Note that our tools for working with on-the-wire "thin" packs are limited. So -# we actually perform the fetch, retain the resulting pack, and inspect the -# result. -test_expect_success 'fetch without bitmaps ignores delta against old base' ' - test_config pack.usebitmaps false && - test_when_finished "rm -rf client.git" && - git init --bare client.git && - ( - cd client.git && - git config transfer.unpackLimit 1 && - git fetch .. delta-reuse-old:delta-reuse-old && - git fetch .. delta-reuse-new:delta-reuse-new && - have_delta $delta $ZERO_OID - ) -' - -# And do the same for the bitmap case, where we do expect to find the delta. -test_expect_success 'fetch with bitmaps can reuse old base' ' - test_config pack.usebitmaps true && - test_when_finished "rm -rf client.git" && - git init --bare client.git && - ( - cd client.git && - git config transfer.unpackLimit 1 && - git fetch .. delta-reuse-old:delta-reuse-old && - git fetch .. delta-reuse-new:delta-reuse-new && - have_delta $delta $base - ) -' - -test_done |