1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
package gitpb
// this is becoming a standard format
// todo: autogenerate this from the .proto file?
import (
"fmt"
"os"
"sort"
sync "sync"
)
// bad global lock until I figure out some other plan
var repolock sync.RWMutex
type RepoIterator struct {
sync.RWMutex
packs []*Repo
index int
}
// NewRepoIterator initializes a new iterator.
func NewRepoIterator(packs []*Repo) *RepoIterator {
return &RepoIterator{packs: packs}
}
// Scan moves to the next element and returns false if there are no more packs.
func (it *RepoIterator) Scan() bool {
if it.index >= len(it.packs) {
return false
}
it.index++
return true
}
// Repo returns the current repo.
func (it *RepoIterator) Repo() *Repo {
if it.packs[it.index-1] == nil {
for i, d := range it.packs {
fmt.Println("i =", i, d)
}
fmt.Println("len =", len(it.packs))
fmt.Println("repo == nil", it.index, it.index-1)
os.Exit(-1)
}
return it.packs[it.index-1]
}
// Use Scan() in a loop, similar to a while loop
//
// for iterator.Scan() {
// d := iterator.Repo()
// fmt.Println("Repo UUID:", d.Uuid)
// }
func (r *Repos) All() *RepoIterator {
repoPointers := r.selectAllRepo()
iterator := NewRepoIterator(repoPointers)
return iterator
}
func (r *Repos) SortByName() *RepoIterator {
packs := r.selectAllRepo()
sort.Sort(RepoByName(packs))
iterator := NewRepoIterator(packs)
return iterator
}
// enforces no duplicate package names
func (all *Repos) Append(newP *Repo) bool {
repolock.Lock()
defer repolock.Unlock()
for _, p := range all.Repos {
if p.GoPath == newP.GoPath {
return false
}
}
all.Repos = append(all.Repos, newP)
return true
}
/*
// returns time.Duration since last Update()
func (r *Repo) LastPull() time.Duration {
t := time.Since(r.LastPull.AsTime())
return t
}
*/
// find a package by gopath
func (all *Repos) FindByPath(gopath string) *Repo {
repolock.RLock()
defer repolock.RUnlock()
for _, p := range all.Repos {
if p.GoPath == gopath {
return p
}
}
return nil
}
func (all *Repos) Len() int {
repolock.RLock()
defer repolock.RUnlock()
return len(all.Repos)
}
type RepoByName []*Repo
func (a RepoByName) Len() int { return len(a) }
func (a RepoByName) Less(i, j int) bool { return a[i].GoPath < a[j].GoPath }
func (a RepoByName) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
// safely returns a slice of pointers to the Repo protobufs
func (all *Repos) selectAllRepo() []*Repo {
repolock.RLock()
defer repolock.RUnlock()
// Create a new slice to hold pointers to each Repo
var aRepos []*Repo
aRepos = make([]*Repo, len(all.Repos))
for i, p := range all.Repos {
aRepos[i] = p // Copy pointers for safe iteration
}
return aRepos
}
|
