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Prevent NPE on update mirror settings (#19864) 

A `repo_model.Mirror` repository field (`.Repo`) will not automatically
be set, but is used without checking in mirror_pull.go:UpdateAddress.
This will cause an NPE.

This PR changes UpdateAddress to use the helper function GetRepository()
helping prevent future NPEs but also changes modules/context/repo.go to
ensure that the Mirror.Repo is set.

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

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
zeripath 2022-06-02 17:56:32 +01:00 committed by GitHub
parent 6171ea7d31
commit e32ab429ff
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2 changed files with 2 additions and 2 deletions
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2
modules/context/repo.go
View File

@ -391,7 +391,7 @@ func repoAssignment(ctx *Context, repo *repo_model.Repository) {
ctx.ServerError("GetMirrorByRepoID", err)
return
}
ctx.Repo.Mirror.Repo = ctx.Repo.Repository
ctx.Repo.Mirror.Repo = repo
ctx.Data["MirrorEnablePrune"] = ctx.Repo.Mirror.EnablePrune
ctx.Data["MirrorInterval"] = ctx.Repo.Mirror.Interval
ctx.Data["Mirror"] = ctx.Repo.Mirror

2
services/mirror/mirror_pull.go
View File

@ -32,7 +32,7 @@ const gitShortEmptySha = "0000000"
// UpdateAddress writes new address to Git repository and database
func UpdateAddress(ctx context.Context, m *repo_model.Mirror, addr string) error {
remoteName := m.GetRemoteName()
repoPath := m.Repo.RepoPath()
repoPath := m.GetRepository().RepoPath()
// Remove old remote
_, _, err := git.NewCommand(ctx, "remote", "rm", remoteName).RunStdString(&git.RunOpts{Dir: repoPath})
if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {