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itdoxy-lab
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itdoxy-lab/modules/git
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KN4CK3R f74c869221
Prevent double use of `git cat-file` session. (#29298) 
Fixes the reason why #29101 is hard to replicate.
Related #29297

Create a repo with a file with minimum size 4097 bytes (I use 10000) and
execute the following code:
```go
gitRepo, err := gitrepo.OpenRepository(db.DefaultContext, <repo>)
assert.NoError(t, err)

commit, err := gitRepo.GetCommit(<sha>)
assert.NoError(t, err)

entry, err := commit.GetTreeEntryByPath(<file>)
assert.NoError(t, err)

b := entry.Blob()

// Create a reader
r, err := b.DataAsync()
assert.NoError(t, err)
defer r.Close()

// Create a second reader
r2, err := b.DataAsync()
assert.NoError(t, err) // Should be no error but is ErrNotExist
defer r2.Close()
```

The problem is the check in `CatFileBatch`:

79217ea63c/modules/git/repo_base_nogogit.go (L81-L87)
`Buffered() > 0` is used to check if there is a "operation" in progress
at the moment. This is a problem because we can't control the internal
buffer in the `bufio.Reader`. The code above demonstrates a sequence
which initiates an operation for which the code thinks there is no
active processing. The second call to `DataAsync()` therefore reuses the
existing instances instead of creating a new batch reader.
 		2024-02-21 19:54:17 +01:00
..
foreachref Use refname:strip-2 instead of refname:short when syncing tags (#28797) 2024-01-16 08:13:07 +01:00
internal Refactor git command package to improve security and maintainability (#22678) 2023-02-04 10:30:43 +08:00
pipeline Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
tests/repos Add support for sha256 repositories (#23894) 2024-01-19 17:05:02 +01:00
url Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
README.md move code.gitea.io/git to code.gitea.io/gitea/modules/git (#6364) 2019-03-27 17:33:00 +08:00
batch_reader.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
blame.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
blame_sha256_test.go Add support for sha256 repositories (#23894) 2024-01-19 17:05:02 +01:00
blame_test.go Adjust object format interface (#28469) 2023-12-17 11:56:08 +00:00
blob.go Fix profile render when the README.md size is larger than 1024 bytes (#25131) 2023-06-13 09:02:25 +00:00
blob_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
blob_nogogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
blob_test.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
command.go Add option to disable ambiguous unicode characters detection (#28454) 2023-12-17 14:38:54 +00:00
command_race_test.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
command_test.go Improve git log for debugging (#24095) 2023-04-13 19:17:27 -04:00
commit.go Adjust object format interface (#28469) 2023-12-17 11:56:08 +00:00
commit_convert_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
commit_info.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
commit_info_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
commit_info_nogogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
commit_info_test.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
commit_reader.go Add support for sha256 repositories (#23894) 2024-01-19 17:05:02 +01:00
commit_sha256_test.go Add support for sha256 repositories (#23894) 2024-01-19 17:05:02 +01:00
commit_test.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
diff.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
diff_test.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
error.go Add merge style `fast-forward-only` (#28954) 2024-02-12 23:37:23 +01:00
git.go Refactor git version functions and check compatibility (#29155) 2024-02-14 17:18:30 +00:00
git_test.go Refactor git version functions and check compatibility (#29155) 2024-02-14 17:18:30 +00:00
hook.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
last_commit_cache.go Always enable caches (#28527) 2023-12-19 09:29:05 +00:00
last_commit_cache_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
last_commit_cache_nogogit.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
log_name_status.go bump to use go 1.22 (#29119) 2024-02-14 18:19:57 +00:00
notes.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
notes_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
notes_nogogit.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
notes_test.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
object_format.go Add support for sha256 repositories (#23894) 2024-01-19 17:05:02 +01:00
object_id.go Add support for sha256 repositories (#23894) 2024-01-19 17:05:02 +01:00
object_id_gogit.go Add support for sha256 repositories (#23894) 2024-01-19 17:05:02 +01:00
object_id_test.go Adjust object format interface (#28469) 2023-12-17 11:56:08 +00:00
parse_gogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
parse_gogit_test.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
parse_nogogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
parse_nogogit_test.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
ref.go Adjust object format interface (#28469) 2023-12-17 11:56:08 +00:00
ref_test.go Use the type RefName for all the needed places and fix pull mirror sync bugs (#24634) 2023-05-26 01:04:48 +00:00
remote.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
repo.go Refactor parseSignatureFromCommitLine (#29054) 2024-02-09 11:02:53 +08:00
repo_archive.go Fix archive creating LFS hooks and breaking pull requests (#28848) 2024-01-19 05:49:18 +00:00
repo_attribute.go Refactor legacy strange git operations (#22756) 2023-02-06 10:23:17 +08:00
repo_attribute_test.go Replace assert.Fail with assert.FailNow (#27578) 2023-10-11 11:02:24 +00:00
repo_base.go Simplify how git repositories are opened (#28937) 2024-01-27 21:09:51 +01:00
repo_base_gogit.go Update go dependencies and fix go-git (#28893) 2024-01-23 05:40:00 +00:00
repo_base_nogogit.go Prevent double use of `git cat-file` session. (#29298) 2024-02-21 19:54:17 +01:00
repo_blame.go Remove `git.FileBlame` (#25841) 2023-07-12 19:07:29 +02:00
repo_blob.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_blob_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
repo_blob_nogogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
repo_blob_test.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_branch.go Simplify how git repositories are opened (#28937) 2024-01-27 21:09:51 +01:00
repo_branch_gogit.go Simplify how git repositories are opened (#28937) 2024-01-27 21:09:51 +01:00
repo_branch_nogogit.go Simplify how git repositories are opened (#28937) 2024-01-27 21:09:51 +01:00
repo_branch_test.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
repo_commit.go Integration Test for Commit Search containing Square Brackets (#28751) 2024-01-11 11:04:45 +08:00
repo_commit_gogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_commit_nogogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_commit_test.go Use more specific test methods (#24265) 2023-04-22 17:56:27 -04:00
repo_commitgraph.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
repo_commitgraph_gogit.go Update go dependencies and fix go-git (#28893) 2024-01-23 05:40:00 +00:00
repo_compare.go Adjust object format interface (#28469) 2023-12-17 11:56:08 +00:00
repo_compare_test.go Adjust object format interface (#28469) 2023-12-17 11:56:08 +00:00
repo_gpg.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
repo_hook.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
repo_index.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_language_stats.go Merge different languages for language stats (#24900) 2023-05-24 19:37:36 +00:00
repo_language_stats_gogit.go Merge different languages for language stats (#24900) 2023-05-24 19:37:36 +00:00
repo_language_stats_nogogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_language_stats_test.go Merge different languages for language stats (#24900) 2023-05-24 19:37:36 +00:00
repo_object.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_ref.go Show branches and tags that contain a commit (#25180) 2023-07-27 12:47:41 +02:00
repo_ref_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
repo_ref_nogogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_ref_test.go Fix commit retrieval by tag (#21804) 2023-03-02 13:32:21 +08:00
repo_stats.go Refactor git command package to improve security and maintainability (#22678) 2023-02-04 10:30:43 +08:00
repo_stats_test.go Fix commit retrieval by tag (#21804) 2023-03-02 13:32:21 +08:00
repo_tag.go Refactor parseSignatureFromCommitLine (#29054) 2024-02-09 11:02:53 +08:00
repo_tag_gogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_tag_nogogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_tag_test.go Refactor parseSignatureFromCommitLine (#29054) 2024-02-09 11:02:53 +08:00
repo_test.go Faster git.GetDivergingCommits (#24482) 2023-05-04 05:08:41 +00:00
repo_tree.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_tree_gogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
repo_tree_nogogit.go Improve ObjectFormat interface (#28496) 2023-12-19 07:20:47 +00:00
signature.go Refactor parseSignatureFromCommitLine (#29054) 2024-02-09 11:02:53 +08:00
signature_gogit.go Refactor parseSignatureFromCommitLine (#29054) 2024-02-09 11:02:53 +08:00
signature_nogogit.go Refactor parseSignatureFromCommitLine (#29054) 2024-02-09 11:02:53 +08:00
signature_test.go Refactor parseSignatureFromCommitLine (#29054) 2024-02-09 11:02:53 +08:00
submodule.go Upgrade to golangci-lint@v1.55.0 (#27756) 2023-10-24 02:54:59 +00:00
submodule_test.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
tag.go Refactor parseSignatureFromCommitLine (#29054) 2024-02-09 11:02:53 +08:00
tag_test.go Adjust object format interface (#28469) 2023-12-17 11:56:08 +00:00
tree.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
tree_blob.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
tree_blob_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
tree_blob_nogogit.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
tree_entry.go Remember to attach the parent tree when converting TreeEntry() -> Tree() (#22902) 2023-02-14 21:23:04 +00:00
tree_entry_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
tree_entry_mode.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
tree_entry_nogogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
tree_entry_test.go Implement FSFE REUSE for golang files (#21840) 2022-11-27 18:20:29 +00:00
tree_gogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
tree_nogogit.go Abstract hash function usage (#28138) 2023-12-13 21:02:00 +00:00
utils.go Replace `interface{}` with `any` (#25686) 2023-07-04 18:36:08 +00:00

README.md

Git Module

This module is merged from https://github.com/go-gitea/git which is a Go module to access Git through shell commands. Now it's a part of gitea's main repository for easier pull request.