0fa60c68fb
* Drop the iso_checksum_type & iso_checksum_url fields
In favor of simply using iso_checksum that will know what to do.
* fix after master merge
* Update builder_test.go
* Update builder_test.go
* Update builder_test.go
* Update builder_test.go
* Update builder_test.go
* remove checksum lowercasing tests
* Update builder_test.go
* Update builder_test.go
* better docs
* Update builder_test.go
* even better docs
* Update config.go
* Update builder_test.go
* Update step_create_vmx_test.go
* make generate
* better docs
* fix imports
* up tests
* Update _ISOConfig-required.html.md
* Update builder_test.go
* don't use sha1.Sum("none") as a caching path
* Update builder_test.go
* better docs
* Update iso_config_test.go
remove ISOChecksumType/ISOChecksumURL references
* Update step_download_test.go
* add iso_checksum_url and iso_checksum_type fixers + tests
* add concrete examples of checksum values
* add examples of checksumming from local file
* update go-getter dep
* up deps
* use new go-getter version
* up ESX5Driver.VerifyChecksum: use go-getter's checksumming
* ISOConfig.Prepare: get checksum there in case we need it as a string in ESX5Driver.VerifyChecksum
* Update iso_config.go
* get go-getter from v2 branch
* Update driver_esx5.go
add more comments
* Update driver_esx5.go
* show better error message when the checksum is invalid
* Update builder_test.go
put in a valid checksum to fix tests, checksum is md5("packer")
* Update builder_test.go
test invalid and valid checksum
* more test updating
* fix default md5 string to be a valid md5
* TestChecksumFileNameMixedCaseBug: use 'file:' prefix for file checksumming
* Update iso_config_test.go
* Update iso_config_test.go
* Update builder_test.go
* Update builder_test.go
* Update builder_test.go
* Update CHANGELOG.md
* Update CHANGELOG.md
* Update go.mod
* Update go.mod
* Update CHANGELOG.md
39 lines
1.4 KiB
Go
39 lines
1.4 KiB
Go
// +build go1.13
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package errors
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import (
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stderrors "errors"
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)
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// Is reports whether any error in err's chain matches target.
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//
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// The chain consists of err itself followed by the sequence of errors obtained by
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// repeatedly calling Unwrap.
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//
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// An error is considered to match a target if it is equal to that target or if
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// it implements a method Is(error) bool such that Is(target) returns true.
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func Is(err, target error) bool { return stderrors.Is(err, target) }
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// As finds the first error in err's chain that matches target, and if so, sets
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// target to that error value and returns true.
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//
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// The chain consists of err itself followed by the sequence of errors obtained by
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// repeatedly calling Unwrap.
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//
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// An error matches target if the error's concrete value is assignable to the value
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// pointed to by target, or if the error has a method As(interface{}) bool such that
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// As(target) returns true. In the latter case, the As method is responsible for
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// setting target.
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//
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// As will panic if target is not a non-nil pointer to either a type that implements
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// error, or to any interface type. As returns false if err is nil.
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func As(err error, target interface{}) bool { return stderrors.As(err, target) }
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// Unwrap returns the result of calling the Unwrap method on err, if err's
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// type contains an Unwrap method returning error.
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// Otherwise, Unwrap returns nil.
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func Unwrap(err error) error {
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return stderrors.Unwrap(err)
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}
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