100 lines
2.1 KiB
Plaintext
100 lines
2.1 KiB
Plaintext
package gitpb
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// this is becoming a standard format
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// todo: autogenerate this from the .proto file?
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import (
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"fmt"
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"os"
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"sort"
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sync "sync"
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)
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// bad global lock until I figure out some other plan
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var godeplock sync.RWMutex
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type GoDepIterator struct {
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sync.RWMutex
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packs []*GoDep
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index int
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}
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// NewGoDepGoDepIterator initializes a new iterator.
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func NewGoDepIterator(packs []*GoDep) *GoDepIterator {
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return &GoDepIterator{packs: packs}
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}
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// Scan moves to the next element and returns false if there are no more packs.
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func (it *GoDepIterator) Scan() bool {
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if it.index >= len(it.packs) {
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return false
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}
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it.index++
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return true
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}
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// GoDep returns the current repo.
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func (it *GoDepIterator) GoDep() *GoDep {
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if it.packs[it.index-1] == nil {
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for i, d := range it.packs {
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fmt.Println("i =", i, d)
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}
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fmt.Println("len =", len(it.packs))
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fmt.Println("repo == nil", it.index, it.index-1)
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os.Exit(-1)
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}
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return it.packs[it.index-1]
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}
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// Use Scan() in a loop, similar to a while loop
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//
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// for iterator.Scan() {
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// d := iterator.GoDep()
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// fmt.Println("GoDep UUID:", d.Uuid)
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// }
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func (r *Repo) AllGoDeps() *GoDepIterator {
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repoPointers := r.selectAllGoDeps()
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iterator := NewGoDepIterator(repoPointers)
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return iterator
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}
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func (r *Repo) SortGoDepsByName() *GoDepIterator {
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packs := r.selectAllGoDeps()
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sort.Sort(GoDepByPath(packs))
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iterator := NewGoDepIterator(packs)
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return iterator
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}
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func (repo *Repo) Len() int {
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refslock.RLock()
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defer refslock.RUnlock()
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return len(repo.GoDeps)
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}
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type GoDepByPath []*GoDep
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func (a GoDepByPath) Len() int { return len(a) }
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func (a GoDepByPath) Less(i, j int) bool { return a[i].GoPath < a[j].GoPath }
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func (a GoDepByPath) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
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// safely returns a slice of pointers to the GoDep protobufs
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func (r *Repo) selectAllGoDeps() []*GoDep {
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refslock.RLock()
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defer refslock.RUnlock()
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// Create a new slice to hold pointers to each GoDep
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var allPacks []*GoDep
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allPacks = make([]*GoDep, len(r.GoDeps))
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for i, p := range r.GoDeps {
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allPacks[i] = p // Copy pointers for safe iteration
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}
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return allPacks
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}
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