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More efficiently parse shas for shaPostProcessor (#16101)

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* More efficiently parse shas for shaPostProcessor

The shaPostProcessor currently repeatedly calls git rev-parse --verify on both backends
which is fine if there is only one thing that matches a sha - however if there are
multiple things then this becomes wildly inefficient.

This PR provides functions for both backends which are much faster to use.

Fix #16092

* Add ShaExistCache to RenderContext

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
zeripath 2021-06-20 23:39:12 +01:00 • committed by GitHub
parent 23358bc55d
commit 196593e2e9
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 122 additions and 10 deletions
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24
modules/git/repo_branch_gogit.go
View file

@ -13,6 +13,30 @@ import (
"github.com/go-git/go-git/v5/plumbing"
)
// IsObjectExist returns true if given reference exists in the repository.
func (repo *Repository) IsObjectExist(name string) bool {
if name == "" {
return false
}
_, err := repo.gogitRepo.ResolveRevision(plumbing.Revision(name))
return err == nil
}
// IsReferenceExist returns true if given reference exists in the repository.
func (repo *Repository) IsReferenceExist(name string) bool {
if name == "" {
return false
}
reference, err := repo.gogitRepo.Reference(plumbing.ReferenceName(name), true)
if err != nil {
return false
}
return reference.Type() != plumbing.InvalidReference
}
// IsBranchExist returns true if given branch exists in current repository.
func (repo *Repository) IsBranchExist(name string) bool {
if name == "" {