mirror of
https://github.com/MichaelMure/git-bug.git
synced 2024-12-17 04:11:32 +03:00
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
package entity
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import (
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"fmt"
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"strings"
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)
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// ErrNotFound is to be returned when an entity, item, element is
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// not found.
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type ErrNotFound struct {
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typename string
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}
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func NewErrNotFound(typename string) *ErrNotFound {
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return &ErrNotFound{typename: typename}
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}
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func (e ErrNotFound) Error() string {
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return fmt.Sprintf("%s doesn't exist", e.typename)
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}
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func IsErrNotFound(err error) bool {
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_, ok := err.(*ErrNotFound)
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return ok
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}
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// ErrMultipleMatch is to be returned when more than one entity, item, element
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// is found, where only one was expected.
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type ErrMultipleMatch struct {
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typename string
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Matching []Id
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}
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func NewErrMultipleMatch(typename string, matching []Id) *ErrMultipleMatch {
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return &ErrMultipleMatch{typename: typename, Matching: matching}
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}
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func (e ErrMultipleMatch) Error() string {
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matching := make([]string, len(e.Matching))
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for i, match := range e.Matching {
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matching[i] = match.String()
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}
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return fmt.Sprintf("Multiple matching %s found:\n%s",
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e.typename,
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strings.Join(matching, "\n"))
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}
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func IsErrMultipleMatch(err error) bool {
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_, ok := err.(*ErrMultipleMatch)
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return ok
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}
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// ErrInvalidFormat is to be returned when reading on-disk data with an unexpected
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// format or version.
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type ErrInvalidFormat struct {
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version uint
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expected uint
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}
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func NewErrInvalidFormat(version uint, expected uint) *ErrInvalidFormat {
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return &ErrInvalidFormat{
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version: version,
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expected: expected,
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}
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}
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func NewErrUnknownFormat(expected uint) *ErrInvalidFormat {
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return &ErrInvalidFormat{
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version: 0,
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expected: expected,
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}
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}
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func (e ErrInvalidFormat) Error() string {
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if e.version == 0 {
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return fmt.Sprintf("unreadable data, you likely have an outdated repository format, please use https://github.com/MichaelMure/git-bug-migration to upgrade to format version %v", e.expected)
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}
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if e.version < e.expected {
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return fmt.Sprintf("outdated repository format %v, please use https://github.com/MichaelMure/git-bug-migration to upgrade to format version %v", e.version, e.expected)
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}
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return fmt.Sprintf("your version of git-bug is too old for this repository (format version %v, expected %v), please upgrade to the latest version", e.version, e.expected)
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}
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