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package cache
import (
"fmt"
"github.com/pkg/errors"
"github.com/MichaelMure/git-bug/bug"
"github.com/MichaelMure/git-bug/entity"
"github.com/MichaelMure/git-bug/identity"
"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()
}
func (c *RepoCache) Keyring() repository.Keyring {
return c.repo.Keyring()
}
// GetPath returns the path to the repo.
func (c *RepoCache) GetPath() string {
return c.repo.GetPath()
}
// 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()
}
// GetUserName returns the name the 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()
}
// 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) {
stdout1, err := identity.Fetch(c.repo, remote)
if err != nil {
return stdout1, err
}
stdout2, err := bug.Fetch(c.repo, remote)
if err != nil {
return stdout2, err
}
return stdout1 + stdout2, nil
}
// MergeAll will merge all the available remote bug and identities
func (c *RepoCache) MergeAll(remote string) <-chan entity.MergeResult {
out := make(chan entity.MergeResult)
// Intercept merge results to update the cache properly
go func() {
defer close(out)
results := identity.MergeAll(c.repo, remote)
for result := range results {
out <- result
if result.Err != nil {
continue
}
switch result.Status {
case entity.MergeStatusNew, entity.MergeStatusUpdated:
i := result.Entity.(*identity.Identity)
c.muIdentity.Lock()
c.identitiesExcerpts[result.Id] = NewIdentityExcerpt(i)
c.muIdentity.Unlock()
}
}
results = bug.MergeAll(c.repo, remote)
for result := range results {
out <- result
if result.Err != nil {
continue
}
switch result.Status {
case entity.MergeStatusNew, entity.MergeStatusUpdated:
b := result.Entity.(*bug.Bug)
snap := b.Compile()
c.muBug.Lock()
c.bugExcerpts[result.Id] = NewBugExcerpt(b, &snap)
c.muBug.Unlock()
}
}
err := c.write()
// No easy way out here ..
if err != nil {
panic(err)
}
}()
return out
}
// Push update a remote with the local changes
func (c *RepoCache) Push(remote string) (string, error) {
stdout1, err := identity.Push(c.repo, remote)
if err != nil {
return stdout1, err
}
stdout2, err := bug.Push(c.repo, remote)
if err != nil {
return stdout2, err
}
return stdout1 + stdout2, nil
}
// 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 {
err := identity.SetUserIdentity(c.repo, i.Identity)
if err != nil {
return err
}
c.muIdentity.RLock()
defer c.muIdentity.RUnlock()
// Make sure that everything is fine
if _, ok := c.identities[i.Id()]; !ok {
panic("SetUserIdentity while the identity is not from the cache, something is wrong")
}
c.userIdentityId = i.Id()
return nil
}
func (c *RepoCache) GetUserIdentity() (*IdentityCache, error) {
if c.userIdentityId != "" {
i, ok := c.identities[c.userIdentityId]
if ok {
return i, nil
}
}
c.muIdentity.Lock()
defer c.muIdentity.Unlock()
i, err := identity.GetUserIdentity(c.repo)
if err != nil {
return nil, err
}
cached := NewIdentityCache(c, i)
c.identities[i.Id()] = cached
c.userIdentityId = i.Id()
return cached, nil
}
func (c *RepoCache) GetUserIdentityExcerpt() (*IdentityExcerpt, error) {
if c.userIdentityId == "" {
id, err := identity.GetUserIdentityId(c.repo)
if err != nil {
return nil, err
}
c.userIdentityId = id
}
c.muIdentity.RLock()
defer c.muIdentity.RUnlock()
excerpt, ok := c.identitiesExcerpts[c.userIdentityId]
if !ok {
return nil, fmt.Errorf("cache: missing identity excerpt %v", c.userIdentityId)
}
return excerpt, nil
}
func (c *RepoCache) IsUserIdentitySet() (bool, error) {
return identity.IsUserIdentitySet(c.repo)
}
|
