mirror of
https://github.com/go-gitea/gitea.git
synced 2024-11-04 08:17:24 -05:00
c03baab678
When opening a repository, it will call `ensureValidRepository` and also `CatFileBatch`. But sometimes these will not be used until repository closed. So it's a waste of CPU to invoke 3 times git command for every open repository. This PR removed all of these from `OpenRepository` but only kept checking whether the folder exists. When a batch is necessary, the necessary functions will be invoked.
125 lines
3.0 KiB
Go
125 lines
3.0 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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//go:build !gogit
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package git
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import (
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"io"
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"strings"
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)
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// Tree represents a flat directory listing.
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type Tree struct {
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ID ObjectID
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ResolvedID ObjectID
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repo *Repository
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// parent tree
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ptree *Tree
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entries Entries
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entriesParsed bool
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entriesRecursive Entries
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entriesRecursiveParsed bool
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}
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// ListEntries returns all entries of current tree.
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func (t *Tree) ListEntries() (Entries, error) {
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if t.entriesParsed {
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return t.entries, nil
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}
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if t.repo != nil {
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wr, rd, cancel, err := t.repo.CatFileBatch(t.repo.Ctx)
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if err != nil {
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return nil, err
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}
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defer cancel()
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_, _ = wr.Write([]byte(t.ID.String() + "\n"))
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_, typ, sz, err := ReadBatchLine(rd)
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if err != nil {
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return nil, err
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}
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if typ == "commit" {
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treeID, err := ReadTreeID(rd, sz)
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if err != nil && err != io.EOF {
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return nil, err
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}
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_, _ = wr.Write([]byte(treeID + "\n"))
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_, typ, sz, err = ReadBatchLine(rd)
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if err != nil {
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return nil, err
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}
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}
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if typ == "tree" {
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t.entries, err = catBatchParseTreeEntries(t.ID.Type(), t, rd, sz)
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if err != nil {
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return nil, err
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}
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t.entriesParsed = true
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return t.entries, nil
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}
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// Not a tree just use ls-tree instead
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if err := DiscardFull(rd, sz+1); err != nil {
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return nil, err
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}
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}
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stdout, _, runErr := NewCommand(t.repo.Ctx, "ls-tree", "-l").AddDynamicArguments(t.ID.String()).RunStdBytes(&RunOpts{Dir: t.repo.Path})
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if runErr != nil {
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if strings.Contains(runErr.Error(), "fatal: Not a valid object name") || strings.Contains(runErr.Error(), "fatal: not a tree object") {
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return nil, ErrNotExist{
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ID: t.ID.String(),
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}
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}
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return nil, runErr
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}
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var err error
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t.entries, err = parseTreeEntries(stdout, t)
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if err == nil {
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t.entriesParsed = true
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}
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return t.entries, err
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}
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// listEntriesRecursive returns all entries of current tree recursively including all subtrees
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// extraArgs could be "-l" to get the size, which is slower
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func (t *Tree) listEntriesRecursive(extraArgs TrustedCmdArgs) (Entries, error) {
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if t.entriesRecursiveParsed {
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return t.entriesRecursive, nil
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}
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stdout, _, runErr := NewCommand(t.repo.Ctx, "ls-tree", "-t", "-r").
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AddArguments(extraArgs...).
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AddDynamicArguments(t.ID.String()).
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RunStdBytes(&RunOpts{Dir: t.repo.Path})
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if runErr != nil {
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return nil, runErr
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}
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var err error
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t.entriesRecursive, err = parseTreeEntries(stdout, t)
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if err == nil {
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t.entriesRecursiveParsed = true
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}
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return t.entriesRecursive, err
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}
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// ListEntriesRecursiveFast returns all entries of current tree recursively including all subtrees, no size
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func (t *Tree) ListEntriesRecursiveFast() (Entries, error) {
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return t.listEntriesRecursive(nil)
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}
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// ListEntriesRecursiveWithSize returns all entries of current tree recursively including all subtrees, with size
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func (t *Tree) ListEntriesRecursiveWithSize() (Entries, error) {
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return t.listEntriesRecursive(TrustedCmdArgs{"--long"})
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}
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