mirror of https://github.com/go-gitea/gitea
Fix submodule parsing (#32571)
Fix #32568, parse `.gitmodules` correctly --------- Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>pull/32576/head^2
Lunny Xiao
4 days ago
committed by
GitHub
parent
407b6e6dfc
commit
33850a83fe
@ -0,0 +1,47 @@ |
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// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git |
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// GetSubModules get all the submodules of current revision git tree
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func (c *Commit) GetSubModules() (*ObjectCache[*SubModule], error) { |
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if c.submoduleCache != nil { |
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return c.submoduleCache, nil |
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} |
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entry, err := c.GetTreeEntryByPath(".gitmodules") |
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if err != nil { |
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if _, ok := err.(ErrNotExist); ok { |
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return nil, nil |
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} |
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return nil, err |
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} |
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rd, err := entry.Blob().DataAsync() |
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if err != nil { |
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return nil, err |
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} |
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defer rd.Close() |
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// at the moment we do not strictly limit the size of the .gitmodules file because some users would have huge .gitmodules files (>1MB)
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c.submoduleCache, err = configParseSubModules(rd) |
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if err != nil { |
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return nil, err |
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} |
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return c.submoduleCache, nil |
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} |
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// GetSubModule get the submodule according entry name
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func (c *Commit) GetSubModule(entryName string) (*SubModule, error) { |
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modules, err := c.GetSubModules() |
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if err != nil { |
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return nil, err |
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} |
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if modules != nil { |
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if module, has := modules.Get(entryName); has { |
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return module, nil |
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} |
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} |
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return nil, nil |
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} |
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@ -0,0 +1,187 @@ |
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// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git |
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import ( |
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"fmt" |
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"os" |
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"regexp" |
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"runtime" |
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"strings" |
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"code.gitea.io/gitea/modules/setting" |
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) |
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// syncGitConfig only modifies gitconfig, won't change global variables (otherwise there will be data-race problem)
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func syncGitConfig() (err error) { |
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if err = os.MkdirAll(HomeDir(), os.ModePerm); err != nil { |
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return fmt.Errorf("unable to prepare git home directory %s, err: %w", HomeDir(), err) |
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} |
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// first, write user's git config options to git config file
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// user config options could be overwritten by builtin values later, because if a value is builtin, it must have some special purposes
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for k, v := range setting.GitConfig.Options { |
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if err = configSet(strings.ToLower(k), v); err != nil { |
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return err |
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} |
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} |
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// Git requires setting user.name and user.email in order to commit changes - old comment: "if they're not set just add some defaults"
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// TODO: need to confirm whether users really need to change these values manually. It seems that these values are dummy only and not really used.
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// If these values are not really used, then they can be set (overwritten) directly without considering about existence.
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for configKey, defaultValue := range map[string]string{ |
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"user.name": "Gitea", |
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"user.email": "gitea@fake.local", |
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} { |
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if err := configSetNonExist(configKey, defaultValue); err != nil { |
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return err |
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} |
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} |
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// Set git some configurations - these must be set to these values for gitea to work correctly
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if err := configSet("core.quotePath", "false"); err != nil { |
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return err |
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} |
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if DefaultFeatures().CheckVersionAtLeast("2.10") { |
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if err := configSet("receive.advertisePushOptions", "true"); err != nil { |
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return err |
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} |
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} |
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if DefaultFeatures().CheckVersionAtLeast("2.18") { |
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if err := configSet("core.commitGraph", "true"); err != nil { |
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return err |
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} |
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if err := configSet("gc.writeCommitGraph", "true"); err != nil { |
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return err |
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} |
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if err := configSet("fetch.writeCommitGraph", "true"); err != nil { |
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return err |
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} |
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} |
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if DefaultFeatures().SupportProcReceive { |
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// set support for AGit flow
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if err := configAddNonExist("receive.procReceiveRefs", "refs/for"); err != nil { |
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return err |
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} |
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} else { |
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if err := configUnsetAll("receive.procReceiveRefs", "refs/for"); err != nil { |
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return err |
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} |
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} |
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// Due to CVE-2022-24765, git now denies access to git directories which are not owned by current user.
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// However, some docker users and samba users find it difficult to configure their systems correctly,
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// so that Gitea's git repositories are owned by the Gitea user.
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// (Possibly Windows Service users - but ownership in this case should really be set correctly on the filesystem.)
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// See issue: https://github.com/go-gitea/gitea/issues/19455
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// As Gitea now always use its internal git config file, and access to the git repositories is managed through Gitea,
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// it is now safe to set "safe.directory=*" for internal usage only.
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// Although this setting is only supported by some new git versions, it is also tolerated by earlier versions
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if err := configAddNonExist("safe.directory", "*"); err != nil { |
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return err |
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} |
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if runtime.GOOS == "windows" { |
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if err := configSet("core.longpaths", "true"); err != nil { |
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return err |
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} |
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if setting.Git.DisableCoreProtectNTFS { |
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err = configSet("core.protectNTFS", "false") |
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} else { |
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err = configUnsetAll("core.protectNTFS", "false") |
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} |
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if err != nil { |
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return err |
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} |
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} |
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// By default partial clones are disabled, enable them from git v2.22
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if !setting.Git.DisablePartialClone && DefaultFeatures().CheckVersionAtLeast("2.22") { |
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if err = configSet("uploadpack.allowfilter", "true"); err != nil { |
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return err |
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} |
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err = configSet("uploadpack.allowAnySHA1InWant", "true") |
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} else { |
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if err = configUnsetAll("uploadpack.allowfilter", "true"); err != nil { |
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return err |
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} |
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err = configUnsetAll("uploadpack.allowAnySHA1InWant", "true") |
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} |
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return err |
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} |
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func configSet(key, value string) error { |
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stdout, _, err := NewCommand(DefaultContext, "config", "--global", "--get").AddDynamicArguments(key).RunStdString(nil) |
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if err != nil && !IsErrorExitCode(err, 1) { |
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return fmt.Errorf("failed to get git config %s, err: %w", key, err) |
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} |
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currValue := strings.TrimSpace(stdout) |
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if currValue == value { |
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return nil |
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} |
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_, _, err = NewCommand(DefaultContext, "config", "--global").AddDynamicArguments(key, value).RunStdString(nil) |
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if err != nil { |
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return fmt.Errorf("failed to set git global config %s, err: %w", key, err) |
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} |
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return nil |
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} |
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func configSetNonExist(key, value string) error { |
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_, _, err := NewCommand(DefaultContext, "config", "--global", "--get").AddDynamicArguments(key).RunStdString(nil) |
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if err == nil { |
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// already exist
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return nil |
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} |
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if IsErrorExitCode(err, 1) { |
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// not exist, set new config
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_, _, err = NewCommand(DefaultContext, "config", "--global").AddDynamicArguments(key, value).RunStdString(nil) |
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if err != nil { |
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return fmt.Errorf("failed to set git global config %s, err: %w", key, err) |
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} |
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return nil |
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} |
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return fmt.Errorf("failed to get git config %s, err: %w", key, err) |
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} |
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func configAddNonExist(key, value string) error { |
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_, _, err := NewCommand(DefaultContext, "config", "--global", "--get").AddDynamicArguments(key, regexp.QuoteMeta(value)).RunStdString(nil) |
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if err == nil { |
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// already exist
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return nil |
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} |
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if IsErrorExitCode(err, 1) { |
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// not exist, add new config
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_, _, err = NewCommand(DefaultContext, "config", "--global", "--add").AddDynamicArguments(key, value).RunStdString(nil) |
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if err != nil { |
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return fmt.Errorf("failed to add git global config %s, err: %w", key, err) |
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} |
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return nil |
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} |
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return fmt.Errorf("failed to get git config %s, err: %w", key, err) |
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} |
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func configUnsetAll(key, value string) error { |
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_, _, err := NewCommand(DefaultContext, "config", "--global", "--get").AddDynamicArguments(key).RunStdString(nil) |
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if err == nil { |
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// exist, need to remove
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_, _, err = NewCommand(DefaultContext, "config", "--global", "--unset-all").AddDynamicArguments(key, regexp.QuoteMeta(value)).RunStdString(nil) |
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if err != nil { |
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return fmt.Errorf("failed to unset git global config %s, err: %w", key, err) |
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} |
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return nil |
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} |
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if IsErrorExitCode(err, 1) { |
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// not exist
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return nil |
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} |
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return fmt.Errorf("failed to get git config %s, err: %w", key, err) |
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} |
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@ -0,0 +1,75 @@ |
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// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git |
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import ( |
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"bufio" |
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"fmt" |
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"io" |
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"strings" |
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) |
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// SubModule is a reference on git repository
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type SubModule struct { |
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Path string |
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URL string |
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Branch string // this field is newly added but not really used
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} |
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// configParseSubModules this is not a complete parse for gitmodules file, it only
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// parses the url and path of submodules. At the moment it only parses well-formed gitmodules files.
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// In the future, there should be a complete implementation of https://git-scm.com/docs/git-config#_syntax
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func configParseSubModules(r io.Reader) (*ObjectCache[*SubModule], error) { |
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var subModule *SubModule |
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subModules := newObjectCache[*SubModule]() |
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scanner := bufio.NewScanner(r) |
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for scanner.Scan() { |
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line := strings.TrimSpace(scanner.Text()) |
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// Skip empty lines and comments
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if line == "" || strings.HasPrefix(line, "#") || strings.HasPrefix(line, ";") { |
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continue |
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} |
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// Section header [section]
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if strings.HasPrefix(line, "[") && strings.HasSuffix(line, "]") { |
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if subModule != nil { |
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subModules.Set(subModule.Path, subModule) |
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} |
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if strings.HasPrefix(line, "[submodule") { |
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subModule = &SubModule{} |
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} else { |
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subModule = nil |
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} |
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continue |
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} |
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if subModule == nil { |
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continue |
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} |
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parts := strings.SplitN(line, "=", 2) |
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if len(parts) != 2 { |
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continue |
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} |
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key := strings.TrimSpace(parts[0]) |
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value := strings.TrimSpace(parts[1]) |
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switch key { |
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case "path": |
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subModule.Path = value |
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case "url": |
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subModule.URL = value |
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case "branch": |
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subModule.Branch = value |
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} |
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} |
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if err := scanner.Err(); err != nil { |
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return nil, fmt.Errorf("error reading file: %w", err) |
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} |
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if subModule != nil { |
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subModules.Set(subModule.Path, subModule) |
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} |
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return subModules, nil |
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} |
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@ -0,0 +1,49 @@ |
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// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git |
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import ( |
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"strings" |
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"testing" |
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"github.com/stretchr/testify/assert" |
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) |
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func TestConfigSubmodule(t *testing.T) { |
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input := ` |
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[core] |
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path = test |
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[submodule "submodule1"] |
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path = path1 |
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url = https://gitea.io/foo/foo
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#branch = b1 |
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[other1] |
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branch = master |
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[submodule "submodule2"] |
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path = path2 |
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url = https://gitea.io/bar/bar
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branch = b2 |
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[other2] |
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branch = main |
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[submodule "submodule3"] |
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path = path3 |
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url = https://gitea.io/xxx/xxx
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` |
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subModules, err := configParseSubModules(strings.NewReader(input)) |
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assert.NoError(t, err) |
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assert.Len(t, subModules.cache, 3) |
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sm1, _ := subModules.Get("path1") |
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assert.Equal(t, &SubModule{Path: "path1", URL: "https://gitea.io/foo/foo", Branch: ""}, sm1) |
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sm2, _ := subModules.Get("path2") |
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assert.Equal(t, &SubModule{Path: "path2", URL: "https://gitea.io/bar/bar", Branch: "b2"}, sm2) |
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sm3, _ := subModules.Get("path3") |
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assert.Equal(t, &SubModule{Path: "path3", URL: "https://gitea.io/xxx/xxx", Branch: ""}, sm3) |
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} |
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@ -0,0 +1,66 @@ |
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// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git |
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import ( |
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"os" |
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"strings" |
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"testing" |
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"code.gitea.io/gitea/modules/setting" |
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"github.com/stretchr/testify/assert" |
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) |
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func gitConfigContains(sub string) bool { |
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if b, err := os.ReadFile(HomeDir() + "/.gitconfig"); err == nil { |
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return strings.Contains(string(b), sub) |
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} |
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return false |
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} |
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func TestGitConfig(t *testing.T) { |
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assert.False(t, gitConfigContains("key-a")) |
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assert.NoError(t, configSetNonExist("test.key-a", "val-a")) |
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assert.True(t, gitConfigContains("key-a = val-a")) |
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assert.NoError(t, configSetNonExist("test.key-a", "val-a-changed")) |
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assert.False(t, gitConfigContains("key-a = val-a-changed")) |
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assert.NoError(t, configSet("test.key-a", "val-a-changed")) |
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assert.True(t, gitConfigContains("key-a = val-a-changed")) |
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assert.NoError(t, configAddNonExist("test.key-b", "val-b")) |
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assert.True(t, gitConfigContains("key-b = val-b")) |
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assert.NoError(t, configAddNonExist("test.key-b", "val-2b")) |
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assert.True(t, gitConfigContains("key-b = val-b")) |
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assert.True(t, gitConfigContains("key-b = val-2b")) |
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assert.NoError(t, configUnsetAll("test.key-b", "val-b")) |
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assert.False(t, gitConfigContains("key-b = val-b")) |
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assert.True(t, gitConfigContains("key-b = val-2b")) |
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assert.NoError(t, configUnsetAll("test.key-b", "val-2b")) |
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assert.False(t, gitConfigContains("key-b = val-2b")) |
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assert.NoError(t, configSet("test.key-x", "*")) |
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assert.True(t, gitConfigContains("key-x = *")) |
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assert.NoError(t, configSetNonExist("test.key-x", "*")) |
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assert.NoError(t, configUnsetAll("test.key-x", "*")) |
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assert.False(t, gitConfigContains("key-x = *")) |
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} |
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func TestSyncConfig(t *testing.T) { |
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oldGitConfig := setting.GitConfig |
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defer func() { |
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setting.GitConfig = oldGitConfig |
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}() |
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setting.GitConfig.Options["sync-test.cfg-key-a"] = "CfgValA" |
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assert.NoError(t, syncGitConfig()) |
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assert.True(t, gitConfigContains("[sync-test]")) |
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assert.True(t, gitConfigContains("cfg-key-a = CfgValA")) |
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} |
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@ -0,0 +1,14 @@ |
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// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git |
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import ( |
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"context" |
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"time" |
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) |
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// Fsck verifies the connectivity and validity of the objects in the database
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func Fsck(ctx context.Context, repoPath string, timeout time.Duration, args TrustedCmdArgs) error { |
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return NewCommand(ctx, "fsck").AddArguments(args...).Run(&RunOpts{Timeout: timeout, Dir: repoPath}) |
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} |
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