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Side by Side Diff: environs/simplestreams/simplestreams.go

Issue 93410043: Extract errors package to github.com/juju/errors
Patch Set: Created 9 years, 10 months ago
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1 // Copyright 2013 Canonical Ltd. 1 // Copyright 2013 Canonical Ltd.
2 // Licensed under the AGPLv3, see LICENCE file for details. 2 // Licensed under the AGPLv3, see LICENCE file for details.
3 3
4 // The simplestreams package supports locating, parsing, and filtering metadata in simplestreams format. 4 // The simplestreams package supports locating, parsing, and filtering metadata in simplestreams format.
5 // See http://launchpad.net/simplestreams and in particular the doc/README file in that project for more information 5 // See http://launchpad.net/simplestreams and in particular the doc/README file in that project for more information
6 // about the file formats. 6 // about the file formats.
7 // 7 //
8 // Users of this package provide an empty struct and a matching function to be a ble to query and return a list 8 // Users of this package provide an empty struct and a matching function to be a ble to query and return a list
9 // of typed values for a given criteria. 9 // of typed values for a given criteria.
10 package simplestreams 10 package simplestreams
11 11
12 import ( 12 import (
13 "encoding/json" 13 "encoding/json"
14 "fmt" 14 "fmt"
15 "io/ioutil" 15 "io/ioutil"
16 "path" 16 "path"
17 "reflect" 17 "reflect"
18 "sort" 18 "sort"
19 "strings" 19 "strings"
20 20
21 "github.com/juju/errors"
21 "github.com/juju/loggo" 22 "github.com/juju/loggo"
22 23
23 "launchpad.net/juju-core/errors"
24 "launchpad.net/juju-core/utils" 24 "launchpad.net/juju-core/utils"
25 ) 25 )
26 26
27 var logger = loggo.GetLogger("juju.environs.simplestreams") 27 var logger = loggo.GetLogger("juju.environs.simplestreams")
28 28
29 type ResolveInfo struct { 29 type ResolveInfo struct {
30 Source string `yaml:"source" json:"source"` 30 Source string `yaml:"source" json:"source"`
31 Signed bool `yaml:"signed" json:"signed"` 31 Signed bool `yaml:"signed" json:"signed"`
32 IndexURL string `yaml:"indexURL" json:"indexURL"` 32 IndexURL string `yaml:"indexURL" json:"indexURL"`
33 MirrorURL string `yaml:"mirrorURL,omitempty" json:"mirrorURL,omitempty"` 33 MirrorURL string `yaml:"mirrorURL,omitempty" json:"mirrorURL,omitempty"`
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933 // version in YYYYMMDD. 933 // version in YYYYMMDD.
934 type byVersionDesc []collectionVersion 934 type byVersionDesc []collectionVersion
935 935
936 func (bv byVersionDesc) Len() int { return len(bv) } 936 func (bv byVersionDesc) Len() int { return len(bv) }
937 func (bv byVersionDesc) Swap(i, j int) { 937 func (bv byVersionDesc) Swap(i, j int) {
938 bv[i], bv[j] = bv[j], bv[i] 938 bv[i], bv[j] = bv[j], bv[i]
939 } 939 }
940 func (bv byVersionDesc) Less(i, j int) bool { 940 func (bv byVersionDesc) Less(i, j int) bool {
941 return bv[i].version > bv[j].version 941 return bv[i].version > bv[j].version
942 } 942 }
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