1package cache
2
3import (
4 "sync"
5
6 "github.com/go-git/go-billy/v5"
7 "github.com/pkg/errors"
8
9 "github.com/MichaelMure/git-bug/entities/identity"
10 "github.com/MichaelMure/git-bug/entity"
11 "github.com/MichaelMure/git-bug/repository"
12)
13
14func (c *RepoCache) Name() string {
15 return c.name
16}
17
18// LocalConfig give access to the repository scoped configuration
19func (c *RepoCache) LocalConfig() repository.Config {
20 return c.repo.LocalConfig()
21}
22
23// GlobalConfig give access to the global scoped configuration
24func (c *RepoCache) GlobalConfig() repository.Config {
25 return c.repo.GlobalConfig()
26}
27
28// AnyConfig give access to a merged local/global configuration
29func (c *RepoCache) AnyConfig() repository.ConfigRead {
30 return c.repo.AnyConfig()
31}
32
33// Keyring give access to a user-wide storage for secrets
34func (c *RepoCache) Keyring() repository.Keyring {
35 return c.repo.Keyring()
36}
37
38// GetUserName returns the name the user has used to configure git
39func (c *RepoCache) GetUserName() (string, error) {
40 return c.repo.GetUserName()
41}
42
43// GetUserEmail returns the email address that the user has used to configure git.
44func (c *RepoCache) GetUserEmail() (string, error) {
45 return c.repo.GetUserEmail()
46}
47
48// GetCoreEditor returns the name of the editor that the user has used to configure git.
49func (c *RepoCache) GetCoreEditor() (string, error) {
50 return c.repo.GetCoreEditor()
51}
52
53// GetRemotes returns the configured remotes repositories.
54func (c *RepoCache) GetRemotes() (map[string]string, error) {
55 return c.repo.GetRemotes()
56}
57
58// LocalStorage return a billy.Filesystem giving access to $RepoPath/.git/git-bug
59func (c *RepoCache) LocalStorage() billy.Filesystem {
60 return c.repo.LocalStorage()
61}
62
63// ReadData will attempt to read arbitrary data from the given hash
64func (c *RepoCache) ReadData(hash repository.Hash) ([]byte, error) {
65 return c.repo.ReadData(hash)
66}
67
68// StoreData will store arbitrary data and return the corresponding hash
69func (c *RepoCache) StoreData(data []byte) (repository.Hash, error) {
70 return c.repo.StoreData(data)
71}
72
73// Fetch retrieve updates from a remote
74// This does not change the local bugs or identities state
75func (c *RepoCache) Fetch(remote string) (string, error) {
76 prefixes := make([]string, len(c.subcaches))
77 for i, subcache := range c.subcaches {
78 prefixes[i] = subcache.GetNamespace()
79 }
80
81 // fetch everything at once, to have a single auth step if required.
82 return c.repo.FetchRefs(remote, prefixes...)
83}
84
85// MergeAll will merge all the available remote bug and identities
86func (c *RepoCache) MergeAll(remote string) <-chan entity.MergeResult {
87 out := make(chan entity.MergeResult)
88
89 dependency := [][]cacheMgmt{
90 {c.identities},
91 {c.bugs},
92 }
93
94 // run MergeAll according to entities dependencies and merge the results
95 go func() {
96 defer close(out)
97
98 for _, subcaches := range dependency {
99 var wg sync.WaitGroup
100 for _, subcache := range subcaches {
101 wg.Add(1)
102 go func(subcache cacheMgmt) {
103 for res := range subcache.MergeAll(remote) {
104 out <- res
105 }
106 wg.Done()
107 }(subcache)
108 }
109 wg.Wait()
110 }
111 }()
112
113 return out
114}
115
116// Push update a remote with the local changes
117func (c *RepoCache) Push(remote string) (string, error) {
118 prefixes := make([]string, len(c.subcaches))
119 for i, subcache := range c.subcaches {
120 prefixes[i] = subcache.GetNamespace()
121 }
122
123 // push everything at once, to have a single auth step if required
124 return c.repo.PushRefs(remote, prefixes...)
125}
126
127// Pull will do a Fetch + MergeAll
128// This function will return an error if a merge fail
129func (c *RepoCache) Pull(remote string) error {
130 _, err := c.Fetch(remote)
131 if err != nil {
132 return err
133 }
134
135 for merge := range c.MergeAll(remote) {
136 if merge.Err != nil {
137 return merge.Err
138 }
139 if merge.Status == entity.MergeStatusInvalid {
140 return errors.Errorf("merge failure: %s", merge.Reason)
141 }
142 }
143
144 return nil
145}
146
147func (c *RepoCache) SetUserIdentity(i *IdentityCache) error {
148 c.muUserIdentity.RLock()
149 defer c.muUserIdentity.RUnlock()
150
151 // Make sure that everything is fine
152 if _, err := c.identities.Resolve(i.Id()); err != nil {
153 panic("SetUserIdentity while the identity is not from the cache, something is wrong")
154 }
155
156 err := identity.SetUserIdentity(c.repo, i.Identity)
157 if err != nil {
158 return err
159 }
160
161 c.userIdentityId = i.Id()
162
163 return nil
164}
165
166func (c *RepoCache) GetUserIdentity() (*IdentityCache, error) {
167 c.muUserIdentity.RLock()
168 if c.userIdentityId != "" {
169 defer c.muUserIdentity.RUnlock()
170 return c.identities.Resolve(c.userIdentityId)
171 }
172 c.muUserIdentity.RUnlock()
173
174 c.muUserIdentity.Lock()
175 defer c.muUserIdentity.Unlock()
176
177 i, err := identity.GetUserIdentityId(c.repo)
178 if err != nil {
179 return nil, err
180 }
181
182 c.userIdentityId = i
183
184 return c.identities.Resolve(i)
185}
186
187func (c *RepoCache) GetUserIdentityExcerpt() (*IdentityExcerpt, error) {
188 c.muUserIdentity.RLock()
189 if c.userIdentityId != "" {
190 defer c.muUserIdentity.RUnlock()
191 return c.identities.ResolveExcerpt(c.userIdentityId)
192 }
193 c.muUserIdentity.RUnlock()
194
195 c.muUserIdentity.Lock()
196 defer c.muUserIdentity.Unlock()
197
198 i, err := identity.GetUserIdentityId(c.repo)
199 if err != nil {
200 return nil, err
201 }
202
203 c.userIdentityId = i
204
205 return c.identities.ResolveExcerpt(i)
206}
207
208func (c *RepoCache) IsUserIdentitySet() (bool, error) {
209 return identity.IsUserIdentitySet(c.repo)
210}