41 lines
839 B
Go
41 lines
839 B
Go
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package pm
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import (
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"github.com/pkg/errors"
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)
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// Name exists to document the keys in Available
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type Name string
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// Version exists to document the keys in Available
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type Version string
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// Available is the structure used to represent the collection of all packages
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// that can be installed.
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type Available map[Name]map[Version]Meta
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// Add inserts m into a.
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func (a Available) Add(m Meta) error {
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if _, err := m.Valid(); err != nil {
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return errors.Wrap(err, "invalid meta")
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}
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if _, ok := a[Name(m.Name)]; !ok {
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a[m.Name] = map[Version]Meta{}
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}
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a[m.Name][m.Version] = m
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return nil
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}
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// Update inserts all data from o into a.
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func (a Available) Update(o Available) error {
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for _, vers := range o {
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for _, m := range vers {
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if err := a.Add(m); err != nil {
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return errors.Wrap(err, "adding")
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}
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}
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}
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return nil
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}
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