projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| a1bf5ca2 HX |
1 | #!/bin/sh |
| 2 | # | |
| 3 | # Copyright (c) 2022 Han Xin | |
| 4 | # | |
| 5 | ||
| 6 | test_description='git unpack-objects with large objects' | |
| 7 | ||
| 8 | . ./test-lib.sh | |
| 9 | ||
| 10 | prepare_dest () { | |
| 11 | test_when_finished "rm -rf dest.git" && | |
| aaf81223 HX |
12 | git init --bare dest.git && |
| 13 | git -C dest.git config core.bigFileThreshold "$1" | |
| a1bf5ca2 HX |
14 | } |
| 15 | ||
| 16 | test_expect_success "create large objects (1.5 MB) and PACK" ' | |
| 17 | test-tool genrandom foo 1500000 >big-blob && | |
| 18 | test_commit --append foo big-blob && | |
| 19 | test-tool genrandom bar 1500000 >big-blob && | |
| 20 | test_commit --append bar big-blob && | |
| aaf81223 HX |
21 | PACK=$(echo HEAD | git pack-objects --revs pack) && |
| 22 | git verify-pack -v pack-$PACK.pack >out && | |
| 23 | sed -n -e "s/^\([0-9a-f][0-9a-f]*\).*\(commit\|tree\|blob\).*/\1/p" \ | |
| 24 | <out >obj-list | |
| a1bf5ca2 HX |
25 | ' |
| 26 | ||
| 27 | test_expect_success 'set memory limitation to 1MB' ' | |
| 28 | GIT_ALLOC_LIMIT=1m && | |
| 29 | export GIT_ALLOC_LIMIT | |
| 30 | ' | |
| 31 | ||
| 32 | test_expect_success 'unpack-objects failed under memory limitation' ' | |
| aaf81223 | 33 | prepare_dest 2m && |
| a1bf5ca2 HX |
34 | test_must_fail git -C dest.git unpack-objects <pack-$PACK.pack 2>err && |
| 35 | grep "fatal: attempting to allocate" err | |
| 36 | ' | |
| 37 | ||
| 38 | test_expect_success 'unpack-objects works with memory limitation in dry-run mode' ' | |
| aaf81223 | 39 | prepare_dest 2m && |
| a1bf5ca2 HX |
40 | git -C dest.git unpack-objects -n <pack-$PACK.pack && |
| 41 | test_stdout_line_count = 0 find dest.git/objects -type f && | |
| 42 | test_dir_is_empty dest.git/objects/pack | |
| 43 | ' | |
| 44 | ||
| aaf81223 HX |
45 | test_expect_success 'unpack big object in stream' ' |
| 46 | prepare_dest 1m && | |
| 47 | git -C dest.git unpack-objects <pack-$PACK.pack && | |
| 48 | test_dir_is_empty dest.git/objects/pack | |
| 49 | ' | |
| 50 | ||
| 51 | BATCH_CONFIGURATION='-c core.fsync=loose-object -c core.fsyncmethod=batch' | |
| 52 | ||
| 53 | test_expect_success 'unpack big object in stream (core.fsyncmethod=batch)' ' | |
| 54 | prepare_dest 1m && | |
| 55 | GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \ | |
| 56 | git -C dest.git $BATCH_CONFIGURATION unpack-objects <pack-$PACK.pack && | |
| 57 | grep fsync/hardware-flush trace2.txt && | |
| 58 | test_dir_is_empty dest.git/objects/pack && | |
| 59 | git -C dest.git cat-file --batch-check="%(objectname)" <obj-list >current && | |
| 60 | cmp obj-list current | |
| 61 | ' | |
| 62 | ||
| 63 | test_expect_success 'do not unpack existing large objects' ' | |
| 64 | prepare_dest 1m && | |
| 65 | git -C dest.git index-pack --stdin <pack-$PACK.pack && | |
| 66 | git -C dest.git unpack-objects <pack-$PACK.pack && | |
| 67 | ||
| 68 | # The destination came up with the exact same pack... | |
| 69 | DEST_PACK=$(echo dest.git/objects/pack/pack-*.pack) && | |
| 70 | test_cmp pack-$PACK.pack $DEST_PACK && | |
| 71 | ||
| 72 | # ...and wrote no loose objects | |
| 73 | test_stdout_line_count = 0 find dest.git/objects -type f ! -name "pack-*" | |
| 74 | ' | |
| 75 | ||
| a1bf5ca2 | 76 | test_done |