diff options
Diffstat (limited to 't/t5329-pack-objects-cruft.sh')
| -rwxr-xr-x | t/t5329-pack-objects-cruft.sh | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/t/t5329-pack-objects-cruft.sh b/t/t5329-pack-objects-cruft.sh index 303f7a5d84..45667d4999 100755 --- a/t/t5329-pack-objects-cruft.sh +++ b/t/t5329-pack-objects-cruft.sh @@ -739,4 +739,175 @@ test_expect_success 'cruft objects are freshend via 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 |