diff options
Diffstat (limited to 'vendor/github.com/hashicorp/errwrap')
| -rw-r--r-- | vendor/github.com/hashicorp/errwrap/LICENSE | 354 | ||||
| -rw-r--r-- | vendor/github.com/hashicorp/errwrap/README.md | 89 | ||||
| -rw-r--r-- | vendor/github.com/hashicorp/errwrap/errwrap.go | 178 |
3 files changed, 0 insertions, 621 deletions
diff --git a/vendor/github.com/hashicorp/errwrap/LICENSE b/vendor/github.com/hashicorp/errwrap/LICENSE deleted file mode 100644 index c33dcc7c..00000000 --- a/vendor/github.com/hashicorp/errwrap/LICENSE +++ /dev/null @@ -1,354 +0,0 @@ -Mozilla Public License, version 2.0 - -1. Definitions - -1.1. “Contributor” - - means each individual or legal entity that creates, contributes to the - creation of, or owns Covered Software. - -1.2. “Contributor Version” - - means the combination of the Contributions of others (if any) used by a - Contributor and that particular Contributor’s Contribution. - -1.3. “Contribution” - - means Covered Software of a particular Contributor. - -1.4. “Covered Software” - - means Source Code Form to which the initial Contributor has attached the - notice in Exhibit A, the Executable Form of such Source Code Form, and - Modifications of such Source Code Form, in each case including portions - thereof. - -1.5. “Incompatible With Secondary Licenses” - means - - a. that the initial Contributor has attached the notice described in - Exhibit B to the Covered Software; or - - b. that the Covered Software was made available under the terms of version - 1.1 or earlier of the License, but not also under the terms of a - Secondary License. - -1.6. “Executable Form” - - means any form of the work other than Source Code Form. - -1.7. “Larger Work” - - means a work that combines Covered Software with other material, in a separate - file or files, that is not Covered Software. - -1.8. “License” - - means this document. - -1.9. “Licensable” - - means having the right to grant, to the maximum extent possible, whether at the - time of the initial grant or subsequently, any and all of the rights conveyed by - this License. - -1.10. “Modifications” - - means any of the following: - - a. any file in Source Code Form that results from an addition to, deletion - from, or modification of the contents of Covered Software; or - - b. any new file in Source Code Form that contains any Covered Software. - -1.11. “Patent Claims” of a Contributor - - means any patent claim(s), including without limitation, method, process, - and apparatus claims, in any patent Licensable by such Contributor that - would be infringed, but for the grant of the License, by the making, - using, selling, offering for sale, having made, import, or transfer of - either its Contributions or its Contributor Version. - -1.12. “Secondary License” - - means either the GNU General Public License, Version 2.0, the GNU Lesser - General Public License, Version 2.1, the GNU Affero General Public - License, Version 3.0, or any later versions of those licenses. - -1.13. “Source Code Form” - - means the form of the work preferred for making modifications. - -1.14. “You” (or “Your”) - - means an individual or a legal entity exercising rights under this - License. For legal entities, “You” includes any entity that controls, is - controlled by, or is under common control with You. For purposes of this - definition, “control” means (a) the power, direct or indirect, to cause - the direction or management of such entity, whether by contract or - otherwise, or (b) ownership of more than fifty percent (50%) of the - outstanding shares or beneficial ownership of such entity. - - -2. License Grants and Conditions - -2.1. Grants - - Each Contributor hereby grants You a world-wide, royalty-free, - non-exclusive license: - - a. under intellectual property rights (other than patent or trademark) - Licensable by such Contributor to use, reproduce, make available, - modify, display, perform, distribute, and otherwise exploit its - Contributions, either on an unmodified basis, with Modifications, or as - part of a Larger Work; and - - b. under Patent Claims of such Contributor to make, use, sell, offer for - sale, have made, import, and otherwise transfer either its Contributions - or its Contributor Version. - -2.2. Effective Date - - The licenses granted in Section 2.1 with respect to any Contribution become - effective for each Contribution on the date the Contributor first distributes - such Contribution. - -2.3. Limitations on Grant Scope - - The licenses granted in this Section 2 are the only rights granted under this - License. No additional rights or licenses will be implied from the distribution - or licensing of Covered Software under this License. Notwithstanding Section - 2.1(b) above, no patent license is granted by a Contributor: - - a. for any code that a Contributor has removed from Covered Software; or - - b. for infringements caused by: (i) Your and any other third party’s - modifications of Covered Software, or (ii) the combination of its - Contributions with other software (except as part of its Contributor - Version); or - - c. under Patent Claims infringed by Covered Software in the absence of its - Contributions. - - This License does not grant any rights in the trademarks, service marks, or - logos of any Contributor (except as may be necessary to comply with the - notice requirements in Section 3.4). - -2.4. Subsequent Licenses - - No Contributor makes additional grants as a result of Your choice to - distribute the Covered Software under a subsequent version of this License - (see Section 10.2) or under the terms of a Secondary License (if permitted - under the terms of Section 3.3). - -2.5. Representation - - Each Contributor represents that the Contributor believes its Contributions - are its original creation(s) or it has sufficient rights to grant the - rights to its Contributions conveyed by this License. - -2.6. Fair Use - - This License is not intended to limit any rights You have under applicable - copyright doctrines of fair use, fair dealing, or other equivalents. - -2.7. Conditions - - Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in - Section 2.1. - - -3. Responsibilities - -3.1. Distribution of Source Form - - All distribution of Covered Software in Source Code Form, including any - Modifications that You create or to which You contribute, must be under the - terms of this License. You must inform recipients that the Source Code Form - of the Covered Software is governed by the terms of this License, and how - they can obtain a copy of this License. You may not attempt to alter or - restrict the recipients’ rights in the Source Code Form. - -3.2. Distribution of Executable Form - - If You distribute Covered Software in Executable Form then: - - a. such Covered Software must also be made available in Source Code Form, - as described in Section 3.1, and You must inform recipients of the - Executable Form how they can obtain a copy of such Source Code Form by - reasonable means in a timely manner, at a charge no more than the cost - of distribution to the recipient; and - - b. You may distribute such Executable Form under the terms of this License, - or sublicense it under different terms, provided that the license for - the Executable Form does not attempt to limit or alter the recipients’ - rights in the Source Code Form under this License. - -3.3. Distribution of a Larger Work - - You may create and distribute a Larger Work under terms of Your choice, - provided that You also comply with the requirements of this License for the - Covered Software. If the Larger Work is a combination of Covered Software - with a work governed by one or more Secondary Licenses, and the Covered - Software is not Incompatible With Secondary Licenses, this License permits - You to additionally distribute such Covered Software under the terms of - such Secondary License(s), so that the recipient of the Larger Work may, at - their option, further distribute the Covered Software under the terms of - either this License or such Secondary License(s). - -3.4. Notices - - You may not remove or alter the substance of any license notices (including - copyright notices, patent notices, disclaimers of warranty, or limitations - of liability) contained within the Source Code Form of the Covered - Software, except that You may alter any license notices to the extent - required to remedy known factual inaccuracies. - -3.5. Application of Additional Terms - - You may choose to offer, and to charge a fee for, warranty, support, - indemnity or liability obligations to one or more recipients of Covered - Software. However, You may do so only on Your own behalf, and not on behalf - of any Contributor. You must make it absolutely clear that any such - warranty, support, indemnity, or liability obligation is offered by You - alone, and You hereby agree to indemnify every Contributor for any - liability incurred by such Contributor as a result of warranty, support, - indemnity or liability terms You offer. You may include additional - disclaimers of warranty and limitations of liability specific to any - jurisdiction. - -4. Inability to Comply Due to Statute or Regulation - - If it is impossible for You to comply with any of the terms of this License - with respect to some or all of the Covered Software due to statute, judicial - order, or regulation then You must: (a) comply with the terms of this License - to the maximum extent possible; and (b) describe the limitations and the code - they affect. Such description must be placed in a text file included with all - distributions of the Covered Software under this License. Except to the - extent prohibited by statute or regulation, such description must be - sufficiently detailed for a recipient of ordinary skill to be able to - understand it. - -5. Termination - -5.1. The rights granted under this License will terminate automatically if You - fail to comply with any of its terms. However, if You become compliant, - then the rights granted under this License from a particular Contributor - are reinstated (a) provisionally, unless and until such Contributor - explicitly and finally terminates Your grants, and (b) on an ongoing basis, - if such Contributor fails to notify You of the non-compliance by some - reasonable means prior to 60 days after You have come back into compliance. - Moreover, Your grants from a particular Contributor are reinstated on an - ongoing basis if such Contributor notifies You of the non-compliance by - some reasonable means, this is the first time You have received notice of - non-compliance with this License from such Contributor, and You become - compliant prior to 30 days after Your receipt of the notice. - -5.2. If You initiate litigation against any entity by asserting a patent - infringement claim (excluding declaratory judgment actions, counter-claims, - and cross-claims) alleging that a Contributor Version directly or - indirectly infringes any patent, then the rights granted to You by any and - all Contributors for the Covered Software under Section 2.1 of this License - shall terminate. - -5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user - license agreements (excluding distributors and resellers) which have been - validly granted by You or Your distributors under this License prior to - termination shall survive termination. - -6. Disclaimer of Warranty - - Covered Software is provided under this License on an “as is” basis, without - warranty of any kind, either expressed, implied, or statutory, including, - without limitation, warranties that the Covered Software is free of defects, - merchantable, fit for a particular purpose or non-infringing. The entire - risk as to the quality and performance of the Covered Software is with You. - Should any Covered Software prove defective in any respect, You (not any - Contributor) assume the cost of any necessary servicing, repair, or - correction. This disclaimer of warranty constitutes an essential part of this - License. No use of any Covered Software is authorized under this License - except under this disclaimer. - -7. Limitation of Liability - - Under no circumstances and under no legal theory, whether tort (including - negligence), contract, or otherwise, shall any Contributor, or anyone who - distributes Covered Software as permitted above, be liable to You for any - direct, indirect, special, incidental, or consequential damages of any - character including, without limitation, damages for lost profits, loss of - goodwill, work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses, even if such party shall have been - informed of the possibility of such damages. This limitation of liability - shall not apply to liability for death or personal injury resulting from such - party’s negligence to the extent applicable law prohibits such limitation. - Some jurisdictions do not allow the exclusion or limitation of incidental or - consequential damages, so this exclusion and limitation may not apply to You. - -8. Litigation - - Any litigation relating to this License may be brought only in the courts of - a jurisdiction where the defendant maintains its principal place of business - and such litigation shall be governed by laws of that jurisdiction, without - reference to its conflict-of-law provisions. Nothing in this Section shall - prevent a party’s ability to bring cross-claims or counter-claims. - -9. Miscellaneous - - This License represents the complete agreement concerning the subject matter - hereof. If any provision of this License is held to be unenforceable, such - provision shall be reformed only to the extent necessary to make it - enforceable. Any law or regulation which provides that the language of a - contract shall be construed against the drafter shall not be used to construe - this License against a Contributor. - - -10. Versions of the License - -10.1. New Versions - - Mozilla Foundation is the license steward. Except as provided in Section - 10.3, no one other than the license steward has the right to modify or - publish new versions of this License. Each version will be given a - distinguishing version number. - -10.2. Effect of New Versions - - You may distribute the Covered Software under the terms of the version of - the License under which You originally received the Covered Software, or - under the terms of any subsequent version published by the license - steward. - -10.3. Modified Versions - - If you create software not governed by this License, and you want to - create a new license for such software, you may create and use a modified - version of this License if you rename the license and remove any - references to the name of the license steward (except to note that such - modified license differs from this License). - -10.4. Distributing Source Code Form that is Incompatible With Secondary Licenses - If You choose to distribute Source Code Form that is Incompatible With - Secondary Licenses under the terms of this version of the License, the - notice described in Exhibit B of this License must be attached. - -Exhibit A - Source Code Form License Notice - - This Source Code Form is subject to the - terms of the Mozilla Public License, v. - 2.0. If a copy of the MPL was not - distributed with this file, You can - obtain one at - http://mozilla.org/MPL/2.0/. - -If it is not possible or desirable to put the notice in a particular file, then -You may include the notice in a location (such as a LICENSE file in a relevant -directory) where a recipient would be likely to look for such a notice. - -You may add additional accurate notices of copyright ownership. - -Exhibit B - “Incompatible With Secondary Licenses” Notice - - This Source Code Form is “Incompatible - With Secondary Licenses”, as defined by - the Mozilla Public License, v. 2.0. - diff --git a/vendor/github.com/hashicorp/errwrap/README.md b/vendor/github.com/hashicorp/errwrap/README.md deleted file mode 100644 index 444df08f..00000000 --- a/vendor/github.com/hashicorp/errwrap/README.md +++ /dev/null @@ -1,89 +0,0 @@ -# errwrap - -`errwrap` is a package for Go that formalizes the pattern of wrapping errors -and checking if an error contains another error. - -There is a common pattern in Go of taking a returned `error` value and -then wrapping it (such as with `fmt.Errorf`) before returning it. The problem -with this pattern is that you completely lose the original `error` structure. - -Arguably the _correct_ approach is that you should make a custom structure -implementing the `error` interface, and have the original error as a field -on that structure, such [as this example](http://golang.org/pkg/os/#PathError). -This is a good approach, but you have to know the entire chain of possible -rewrapping that happens, when you might just care about one. - -`errwrap` formalizes this pattern (it doesn't matter what approach you use -above) by giving a single interface for wrapping errors, checking if a specific -error is wrapped, and extracting that error. - -## Installation and Docs - -Install using `go get github.com/hashicorp/errwrap`. - -Full documentation is available at -http://godoc.org/github.com/hashicorp/errwrap - -## Usage - -#### Basic Usage - -Below is a very basic example of its usage: - -```go -// A function that always returns an error, but wraps it, like a real -// function might. -func tryOpen() error { - _, err := os.Open("/i/dont/exist") - if err != nil { - return errwrap.Wrapf("Doesn't exist: {{err}}", err) - } - - return nil -} - -func main() { - err := tryOpen() - - // We can use the Contains helpers to check if an error contains - // another error. It is safe to do this with a nil error, or with - // an error that doesn't even use the errwrap package. - if errwrap.Contains(err, "does not exist") { - // Do something - } - if errwrap.ContainsType(err, new(os.PathError)) { - // Do something - } - - // Or we can use the associated `Get` functions to just extract - // a specific error. This would return nil if that specific error doesn't - // exist. - perr := errwrap.GetType(err, new(os.PathError)) -} -``` - -#### Custom Types - -If you're already making custom types that properly wrap errors, then -you can get all the functionality of `errwraps.Contains` and such by -implementing the `Wrapper` interface with just one function. Example: - -```go -type AppError { - Code ErrorCode - Err error -} - -func (e *AppError) WrappedErrors() []error { - return []error{e.Err} -} -``` - -Now this works: - -```go -err := &AppError{Err: fmt.Errorf("an error")} -if errwrap.ContainsType(err, fmt.Errorf("")) { - // This will work! -} -``` diff --git a/vendor/github.com/hashicorp/errwrap/errwrap.go b/vendor/github.com/hashicorp/errwrap/errwrap.go deleted file mode 100644 index 44e368e5..00000000 --- a/vendor/github.com/hashicorp/errwrap/errwrap.go +++ /dev/null @@ -1,178 +0,0 @@ -// Package errwrap implements methods to formalize error wrapping in Go. -// -// All of the top-level functions that take an `error` are built to be able -// to take any error, not just wrapped errors. This allows you to use errwrap -// without having to type-check and type-cast everywhere. -package errwrap - -import ( - "errors" - "reflect" - "strings" -) - -// WalkFunc is the callback called for Walk. -type WalkFunc func(error) - -// Wrapper is an interface that can be implemented by custom types to -// have all the Contains, Get, etc. functions in errwrap work. -// -// When Walk reaches a Wrapper, it will call the callback for every -// wrapped error in addition to the wrapper itself. Since all the top-level -// functions in errwrap use Walk, this means that all those functions work -// with your custom type. -type Wrapper interface { - WrappedErrors() []error -} - -// Wrap defines that outer wraps inner, returning an error type that -// can be cleanly used with the other methods in this package, such as -// Contains, GetAll, etc. -// -// This function won't modify the error message at all (the outer message -// will be used). -func Wrap(outer, inner error) error { - return &wrappedError{ - Outer: outer, - Inner: inner, - } -} - -// Wrapf wraps an error with a formatting message. This is similar to using -// `fmt.Errorf` to wrap an error. If you're using `fmt.Errorf` to wrap -// errors, you should replace it with this. -// -// format is the format of the error message. The string '{{err}}' will -// be replaced with the original error message. -// -// Deprecated: Use fmt.Errorf() -func Wrapf(format string, err error) error { - outerMsg := "<nil>" - if err != nil { - outerMsg = err.Error() - } - - outer := errors.New(strings.Replace( - format, "{{err}}", outerMsg, -1)) - - return Wrap(outer, err) -} - -// Contains checks if the given error contains an error with the -// message msg. If err is not a wrapped error, this will always return -// false unless the error itself happens to match this msg. -func Contains(err error, msg string) bool { - return len(GetAll(err, msg)) > 0 -} - -// ContainsType checks if the given error contains an error with -// the same concrete type as v. If err is not a wrapped error, this will -// check the err itself. -func ContainsType(err error, v interface{}) bool { - return len(GetAllType(err, v)) > 0 -} - -// Get is the same as GetAll but returns the deepest matching error. -func Get(err error, msg string) error { - es := GetAll(err, msg) - if len(es) > 0 { - return es[len(es)-1] - } - - return nil -} - -// GetType is the same as GetAllType but returns the deepest matching error. -func GetType(err error, v interface{}) error { - es := GetAllType(err, v) - if len(es) > 0 { - return es[len(es)-1] - } - - return nil -} - -// GetAll gets all the errors that might be wrapped in err with the -// given message. The order of the errors is such that the outermost -// matching error (the most recent wrap) is index zero, and so on. -func GetAll(err error, msg string) []error { - var result []error - - Walk(err, func(err error) { - if err.Error() == msg { - result = append(result, err) - } - }) - - return result -} - -// GetAllType gets all the errors that are the same type as v. -// -// The order of the return value is the same as described in GetAll. -func GetAllType(err error, v interface{}) []error { - var result []error - - var search string - if v != nil { - search = reflect.TypeOf(v).String() - } - Walk(err, func(err error) { - var needle string - if err != nil { - needle = reflect.TypeOf(err).String() - } - - if needle == search { - result = append(result, err) - } - }) - - return result -} - -// Walk walks all the wrapped errors in err and calls the callback. If -// err isn't a wrapped error, this will be called once for err. If err -// is a wrapped error, the callback will be called for both the wrapper -// that implements error as well as the wrapped error itself. -func Walk(err error, cb WalkFunc) { - if err == nil { - return - } - - switch e := err.(type) { - case *wrappedError: - cb(e.Outer) - Walk(e.Inner, cb) - case Wrapper: - cb(err) - - for _, err := range e.WrappedErrors() { - Walk(err, cb) - } - case interface{ Unwrap() error }: - cb(err) - Walk(e.Unwrap(), cb) - default: - cb(err) - } -} - -// wrappedError is an implementation of error that has both the -// outer and inner errors. -type wrappedError struct { - Outer error - Inner error -} - -func (w *wrappedError) Error() string { - return w.Outer.Error() -} - -func (w *wrappedError) WrappedErrors() []error { - return []error{w.Outer, w.Inner} -} - -func (w *wrappedError) Unwrap() error { - return w.Inner -} |