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Prevent hang in git cat-file if the repository is not a valid repository (Partial #17991) (#17992)

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* Prevent hang in git cat-file if the repository is not a valid repository (Partial #17991)

Unfortunately it appears that if git cat-file is run in an invalid
repository it will hang until stdin is closed. This will result in
deadlocked /pulls pages and dangling git cat-file calls if a broken
repository is tried to be reviewed or pulls exists for a broken
repository.

Signed-off-by: Andrew Thornton <art27@cantab.net>

* placate lint

Signed-off-by: Andrew Thornton <art27@cantab.net>

* fix compilation bug

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Add the missing directories to the testrepos

* fixup! Add the missing directories to the testrepos

* and ensure that all of the other places have the objects directories too

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
zeripath 2021-12-17 02:08:00 +00:00 • committed by GitHub
parent 3a77465e4e
commit 3ae4c4898b
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10 changed files with 150 additions and 2 deletions
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5
modules/git/repo_commit_nogogit.go
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@ -38,7 +38,10 @@ func (repo *Repository) ResolveReference(name string) (string, error) {
func (repo *Repository) GetRefCommitID(name string) (string, error) {
wr, rd, cancel := repo.CatFileBatchCheck()
defer cancel()
_, _ = wr.Write([]byte(name + "\n"))
_, err := wr.Write([]byte(name + "\n"))
if err != nil {
return "", err
}
shaBs, _, _, err := ReadBatchLine(rd)
if IsErrNotExist(err) {
return "", ErrNotExist{name, ""}