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package cache
import (
"sync"
"github.com/go-git/go-billy/v5"
"github.com/pkg/errors"
"github.com/MichaelMure/git-bug/entities/identity"
"github.com/MichaelMure/git-bug/entity"
"github.com/MichaelMure/git-bug/repository"
)
func (c *RepoCache) Name() string {
return c.name
}
// LocalConfig give access to the repository scoped configuration
func (c *RepoCache) LocalConfig() repository.Config {
return c.repo.LocalConfig()
}
// GlobalConfig give access to the global scoped configuration
func (c *RepoCache) GlobalConfig() repository.Config {
return c.repo.GlobalConfig()
}
// AnyConfig give access to a merged local/global configuration
func (c *RepoCache) AnyConfig() repository.ConfigRead {
return c.repo.AnyConfig()
}
// Keyring give access to a user-wide storage for secrets
func (c *RepoCache) Keyring() repository.Keyring {
return c.repo.Keyring()
}
// GetUserName returns the name the user has used to configure git
func (c *RepoCache) GetUserName() (string, error) {
return c.repo.GetUserName()
}
// GetUserEmail returns the email address that the user has used to configure git.
func (c *RepoCache) GetUserEmail() (string, error) {
return c.repo.GetUserEmail()
}
// GetCoreEditor returns the name of the editor that the user has used to configure git.
func (c *RepoCache) GetCoreEditor() (string, error) {
return c.repo.GetCoreEditor()
}
// GetRemotes returns the configured remotes repositories.
func (c *RepoCache) GetRemotes() (map[string]string, error) {
return c.repo.GetRemotes()
}
// LocalStorage return a billy.Filesystem giving access to $RepoPath/.git/git-bug
func (c *RepoCache) LocalStorage() billy.Filesystem {
return c.repo.LocalStorage()
}
// ReadData will attempt to read arbitrary data from the given hash
func (c *RepoCache) ReadData(hash repository.Hash) ([]byte, error) {
return c.repo.ReadData(hash)
}
// StoreData will store arbitrary data and return the corresponding hash
func (c *RepoCache) StoreData(data []byte) (repository.Hash, error) {
return c.repo.StoreData(data)
}
// Fetch retrieve updates from a remote
// This does not change the local bugs or identities state
func (c *RepoCache) Fetch(remote string) (string, error) {
prefixes := make([]string, len(c.subcaches))
for i, subcache := range c.subcaches {
prefixes[i] = subcache.GetNamespace()
}
// fetch everything at once, to have a single auth step if required.
return c.repo.FetchRefs(remote, prefixes...)
}
// MergeAll will merge all the available remote bug and identities
func (c *RepoCache) MergeAll(remote string) <-chan entity.MergeResult {
out := make(chan entity.MergeResult)
dependency := [][]cacheMgmt{
{c.identities},
{c.bugs},
}
// run MergeAll according to entities dependencies and merge the results
go func() {
defer close(out)
for _, subcaches := range dependency {
var wg sync.WaitGroup
for _, subcache := range subcaches {
wg.Add(1)
go func(subcache cacheMgmt) {
for res := range subcache.MergeAll(remote) {
out <- res
}
wg.Done()
}(subcache)
}
wg.Wait()
}
}()
return out
}
// Push update a remote with the local changes
func (c *RepoCache) Push(remote string) (string, error) {
prefixes := make([]string, len(c.subcaches))
for i, subcache := range c.subcaches {
prefixes[i] = subcache.GetNamespace()
}
// push everything at once, to have a single auth step if required
return c.repo.PushRefs(remote, prefixes...)
}
// Pull will do a Fetch + MergeAll
// This function will return an error if a merge fail
func (c *RepoCache) Pull(remote string) error {
_, err := c.Fetch(remote)
if err != nil {
return err
}
for merge := range c.MergeAll(remote) {
if merge.Err != nil {
return merge.Err
}
if merge.Status == entity.MergeStatusInvalid {
return errors.Errorf("merge failure: %s", merge.Reason)
}
}
return nil
}
func (c *RepoCache) SetUserIdentity(i *IdentityCache) error {
c.muUserIdentity.RLock()
defer c.muUserIdentity.RUnlock()
// Make sure that everything is fine
if _, err := c.identities.Resolve(i.Id()); err != nil {
panic("SetUserIdentity while the identity is not from the cache, something is wrong")
}
err := identity.SetUserIdentity(c.repo, i.Identity)
if err != nil {
return err
}
c.userIdentityId = i.Id()
return nil
}
func (c *RepoCache) GetUserIdentity() (*IdentityCache, error) {
c.muUserIdentity.RLock()
if c.userIdentityId != "" {
defer c.muUserIdentity.RUnlock()
return c.identities.Resolve(c.userIdentityId)
}
c.muUserIdentity.RUnlock()
c.muUserIdentity.Lock()
defer c.muUserIdentity.Unlock()
i, err := identity.GetUserIdentityId(c.repo)
if err != nil {
return nil, err
}
c.userIdentityId = i
return c.identities.Resolve(i)
}
func (c *RepoCache) GetUserIdentityExcerpt() (*IdentityExcerpt, error) {
c.muUserIdentity.RLock()
if c.userIdentityId != "" {
defer c.muUserIdentity.RUnlock()
return c.identities.ResolveExcerpt(c.userIdentityId)
}
c.muUserIdentity.RUnlock()
c.muUserIdentity.Lock()
defer c.muUserIdentity.Unlock()
i, err := identity.GetUserIdentityId(c.repo)
if err != nil {
return nil, err
}
c.userIdentityId = i
return c.identities.ResolveExcerpt(i)
}
func (c *RepoCache) IsUserIdentitySet() (bool, error) {
return identity.IsUserIdentitySet(c.repo)
}
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